Wind Energy Companies in London: 79 Active Firms (2026)

Updated May 2026

Wind energy companies in London develop, finance, operate and service wind power projects for UK and international markets.

Buying centres cluster around infrastructure investors, renewable-power asset owners, project developers, engineering contractors and corporate energy buyers. London-based teams tend to sell business-to-business services into mid-market and enterprise customers, with some public-sector or quasi-public procurement where grid, port or local-authority interests are involved. Engagements usually look like project-finance support, asset-management mandates, owner’s-engineer work, maintenance packages or specialist supply-chain advisory, rather than short-cycle small-business purchasing. The commercial relationship is therefore diligence-heavy: buyers expect track record, insurance cover, health-and-safety capability and a clear view of construction, operational and offtake risk before committing.

London has 79 actively trading wind-energy companies in this list, reflecting a capital-markets and advisory centre more than a pure operating-base geography. The cohort includes developers, asset managers, service providers and engineering specialists that can address UK projects while selling into international wind markets from a London headquarters or commercial office. Reported headcount totals 671 people, which points to a market made up largely of specialist teams rather than labour-intensive manufacturing sites. For researchers, revenue and project role matter more than employee count when separating operational wind exposure from broader clean-energy consultancy.

Wind-power work is shaped less by entity-level authorisation than by project permissions, grid access, offtake arrangements and construction safety obligations. London-based advisers and asset managers typically sit close to contractual risk allocation: planning conditions, connection milestones, consented operating limits, land or seabed rights, and obligations passed down to engineering and maintenance contractors. Cross-border work adds jurisdictional due diligence, currency exposure and local procurement rules, while UK projects remain sensitive to connection queues and the timing of public and private power-purchase processes.

Future expansion appears more likely to come from commercial specialisation than from a broad wave of generalist entrants. London firms with finance, advisory and asset-management capabilities tend to benefit when project sponsors need capital structuring, contract negotiation and operating oversight. Service-only teams may face more pressure as procurement matures and buyers ask for evidence of safety performance, delivery history and insurance capacity. Consolidation could occur around portfolios, maintenance capability and advisory relationships, but the sector still looks fragmented, with many businesses closer to specialist project partners than integrated energy groups.

What’s in the file

One row per company, 50+ columns — everything below plus each company’s verified directors, from Companies House filings.

Company data

Company name

Website

City & address

Companies House no.

Incorporation date

SIC codes & industry tags

What they do / who they sell to

Turnover, profit, cash & net assets

Employees

Growth (YoY & 3-year)

Financial-health score & flags

Sales-readiness score

Detected technologies

Corporate group (shared website, group size, which row to contact)

Verified directors — included

Director names

Director roles

Appointment dates

Active director count

Active director count is the full Companies House board, so it can be higher than the number of names listed — we leave out nominee and formation-agent directors, who aren’t worth contacting. It’s blank for the small number of companies whose officers we haven’t fetched yet.

You’re charged per business, not per row. Where a business trades through several registered companies you get every one, and the Group Primary column marks one row per business — filter to those and the count matches your invoice. Rows sharing a website are not automatically one business: franchises and multi-site operators each count separately, and where names don’t prove a relationship we count them apart rather than guess.

Active firms

2026

Over £5M revenue

larger revenue businesses

New since 2022

recent incorporations

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Key facts

About 13% of the trading cohort reports turnover above £5M (11 of 79 firms) — the rest sits below that revenue band.

24% of the cohort was incorporated since 2022 (19 firms), so a sizeable share is in its first few filing cycles.

London’s wind energy segment is weighted towards project ownership, development, finance, operations and specialist services rather than turbine manufacturing.

Wind revenue can sit in asset-owning or project-specific entities, while engineering, construction and maintenance work is contracted across wider supply chains.

The capital’s role in wind energy is closely linked to renewable-generation capital and asset-management structures serving UK and overseas assets.

Top London Wind Energy companies

Company

Sales readinessHow strongly each company matches this list’s ideal-customer profile. An AI model assesses what each company does (from its website), its sector and size, and scores its overall fit 0–100. Companies are listed highest score first, so the best-fit prospects appear at the top.

Turnover

Employees

Growth (yoy)Year-on-year change in UK headcount, from filed accounts.

Financial healthComposite 0–100 score from recent XBRL filings (profitability, net assets, liquidity, cash, headcount). Bands: Strong, Healthy, Stable, Weak, Distressed.

Location

Skyborn Renewables (UK) Wind Power Limited

Skyborn Renewables

Renewable EnergyUtilities

6 employeesInc. 2004LondonCH 05227034

skybornrenewables.com

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Financial sub-scores

Computed from 5 filings

Cash100 / 100

What does Skyborn Renewables (UK) Wind Power Limited do?

Develops, finances, builds and operates offshore wind farms. Provides end‑to‑end project development including site development, engineering and design, procurement, construction, corporate power…

Who does Skyborn Renewables (UK) Wind Power Limited sell to?

Sells to large corporate electricity buyers through corporate PPAs and serves energy-sector partners and investors involved in offshore wind markets across Europe, North America and Asia-Pacific.

Key contacts (2)

Patrick Lammers

Director

Robert William Colin Allan

Director

Full details & directors in the file

Company vitals

UK Headcount

UK Revenue

£915.3KEstimate

Founded

21 years ago

Since Sep 2004

London

Financial health

100

Financial Health

Strong

Financial distressTechnical insolvency

Location

55 Loudoun Road, St John'S Wood

London, NW8 0DL

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Fred. Olsen Renewables

Renewable Energy

6 employeesInc. 2008LondonCH 06577409

fredolsenrenewables.com

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What does Fred. Olsen Renewables do?

Develops, constructs, owns and operates renewable energy projects, primarily onshore wind farms, and is expanding into solar power. Manages project development, construction and operational wind farm…

Full details & directors in the file

Company vitals

UK Headcount

UK Revenue

£388.8KEstimate

Founded

18 years ago

Since Apr 2008

London

Location

2nd Floor, 36, Broadway

London, SW1H 0BH

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REVENTUS LIMITED

Reventus Power

Renewable EnergyAsset Management

9 employeesInc. 2003LondonCH 04714602

reventuspower.com

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Financial sub-scores

Computed from 5 filings

Net assets91 / 100

Cash100 / 100

Headcount0 / 100

What does REVENTUS LIMITED do?

Originates and invests in the development and long-term management of offshore wind power projects. Partners with developers and investors to finance, develop and manage utility-scale offshore wind…

Who does REVENTUS LIMITED sell to?

Targets strategic partners, developers and owners involved in large-scale offshore wind projects globally, including opportunities in Europe, North America and Asia Pacific.

Key contacts (2)

Sara Lee Quinn

Director

Anthony Joseph Quinn

Director

Full details & directors in the file

Company vitals

UK Headcount

UK Revenue

£698.5KEstimate

Founded

23 years ago

Since Mar 2003

London

Financial health

Financial Health

Healthy

Healthy · -17% CAGR over 4y

Location

201 Haverstock Hill, Belsize Park

London, NW3 4QG

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Cierco Energy

Renewable EnergyOil & Gas

12 employeesInc. 2010LondonCH 07194189

ciercoenergy.com

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Financial sub-scores

Computed from 5 filings

Headcount100 / 100

What does Cierco Energy do?

Develops offshore renewable energy projects, particularly floating offshore wind. Activities include site development, project management, engineering planning, and financing, working with industry…

Who does Cierco Energy sell to?

Serves energy-sector partners, public stakeholders and local communities involved in commercial-scale floating offshore wind projects, with emphasis on UK and US markets.

Key contacts (1)

Mikael Jakobsson

Director

Full details & directors in the file

Company vitals

UK Headcount

UK Revenue

£220.6KEstimate

Founded

16 years ago

Since Mar 2010

London

Financial health

100

Financial Health

Strong

Strong · Hiring · 19% CAGR over 4y

Hiring

Location

C/O Shepherd And Wedderburn Llp, 1-6 Lombard Street

London, EC3V 9AA

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Energiekontor UK Ltd

EnergieKontor

Renewable EnergyUtilities

34 employeesInc. 1999LondonCH 03830819

energiekontor.co.uk

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Financial sub-scores

Computed from 5 filings

Net assets100 / 100

Cash100 / 100

Headcount100 / 100

What does Energiekontor UK Ltd do?

Develops, builds and operates onshore wind and solar energy projects. Activities include site identification, securing land agreements, planning applications, project financing and construction, and…

Who does Energiekontor UK Ltd sell to?

Serves UK landowners with potential wind or solar sites and businesses seeking renewable electricity through corporate PPAs, alongside stakeholders in renewable energy project planning, financing and…

Full details & directors in the file

Company vitals

UK Headcount

UK Revenue

£63.3K

Founded

27 years ago

Since Aug 1999

London

Financial health

100

Financial Health

Strong

Strong · Growing, Hiring · 17% CAGR over 4y

GrowingHiring

Location

114 St Martin'S Lane, Covent Garden

London, WC2N 4BE

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Moray East

Renewable Energy

6 employeesInc. 2009LondonCH 07101438

morayeast.com

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What does Moray East do?

Develops and operates an offshore wind farm generating electricity from wind turbines. Manages offshore substations and cable infrastructure that collect and transmit up to 950MW of renewable…

Who does Moray East sell to?

Serves the UK electricity market, supplying power into the National Grid for homes and businesses. Also engages public-sector stakeholders, local communities, maritime users and supply-chain…

Key contacts (2)

Daan Monique van Hoyweghen

Director

Manabu Hayasaki

Director

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Company vitals

UK Headcount

UK Revenue

£119.7KEstimate

Founded

16 years ago

Since Dec 2009

London

Location

Shepherd And Wedderburn Llp, 1-6 Lombard Street

London, EC3V 9AA

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CLEAN ENERGY SYSTEMS LIMITED

RES

Renewable EnergyUtilities

Inc. 2010Harrow, MiddlesexCH 07281420

res-group.com

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Financial sub-scores

Computed from 5 filings

Net assets26 / 100

What does CLEAN ENERGY SYSTEMS LIMITED do?

Develops, constructs and manages renewable energy projects, including wind, solar and energy storage. Provides asset management, operations and maintenance, consultancy, construction management, and…

Who does CLEAN ENERGY SYSTEMS LIMITED sell to?

Serves renewable energy investors, asset owners, developers, utilities, landowners and local communities involved in wind, solar, storage, transmission and hydrogen projects globally.

Key contacts (1)

Sedat Saglam

Director

Full details & directors in the file

Company vitals

UK Headcount

UK Revenue

£5.7KEstimate

Founded

16 years ago

Since Jun 2010

Harrow, Middlesex

Financial health

Financial Health

Weak

Location

2e Graham Road, Wealdstone

Harrow, Middlesex, HA3 5RF

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Nala Renewables

Renewable Energy

3 employeesInc. 2021LondonCH 13493793

nalarenewables.com

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What does Nala Renewables do?

Develops, builds, owns and operates renewable energy infrastructure projects. Invests in and manages portfolios of solar photovoltaic, onshore wind and battery energy storage assets, covering project…

Key contacts (2)

Michael Robert O'Neill

Director

William Jonathan Charles Herlinger

Director

Full details & directors in the file

Company vitals

UK Headcount

UK Revenue

£324.2KEstimate

Founded

5 years ago

Since Jul 2021

London

Location

4 Kingdom Street, 2nd Floor

London, W2 6BD

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Aura Wind (longlands Lane)

Renewable EnergyUtilities

6 employeesInc. 2014LondonCH 08924593

res-group.com

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What does Aura Wind (longlands Lane) do?

Develops, constructs and manages renewable energy projects, including wind and solar farms and energy storage systems. Provides asset management, operations and maintenance, consultancy, and digital…

Who does Aura Wind (longlands Lane) sell to?

Serves renewable energy investors, asset owners and operators, landowners, communities, utilities and developers involved in wind, solar, energy storage, grid and clean energy infrastructure projects.

Full details & directors in the file

Company vitals

UK Headcount

UK Revenue

£39.6KEstimate

Founded

12 years ago

Since Mar 2014

London

Location

C/O Foresight Group, The Shard, 32 London Bridge Street

London, SE1 9SG

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Renewable Power Capital

Renewable Energy

2 employeesInc. 2020LondonCH 12864991

renewablepowercapital.com

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Financial sub-scores

Computed from 2 filings

Net assets40 / 100

What does Renewable Power Capital do?

Develops, finances, constructs, owns and operates renewable energy generation and battery energy storage projects, managing an investment platform focused on building and operating wind, solar and…

Who does Renewable Power Capital sell to?

Serves institutional investors and energy-sector partners involved in renewable power and storage projects across Europe.

Full details & directors in the file

Company vitals

UK Headcount

UK Revenue

£32.3KEstimate

Founded

5 years ago

Since Sep 2020

London

Financial health

Financial Health

Stable

Location

Uk House 5th Floor, 164-182 Oxford Street

London, W1D 1NN

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ENBW GENERATION UK LIMITED

EnBW

Renewable Energy

37 employeesInc. 2023LondonCH 14635108

enbw.co.uk

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Financial sub-scores

Computed from 2 filings

Net assets29 / 100

Cash100 / 100

Headcount69 / 100

What does ENBW GENERATION UK LIMITED do?

Acts as a joint venture partner in offshore wind projects, developing large‑scale offshore wind farms with energy partners. Participates in seabed lease bids, project development, and planned…

Who does ENBW GENERATION UK LIMITED sell to?

Serves UK energy-market stakeholders, including public authorities, grid/offtake partners and electricity suppliers, with households identified as the end beneficiaries of its offshore wind projects.

Key contacts (1)

Damien Paul Zachlod

Director

Full details & directors in the file

Company vitals

UK Headcount

UK Revenue

£2.5MEstimate

Founded

3 years ago

Since Feb 2023

London

Financial health

Financial Health

Stable

Stable · Hiring · 19% CAGR over 1y

Hiring

Location

45 Gresham Street

London, EC2V 7BG

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Venterra

Renewable Energy

3 employeesInc. 2021LondonCH 13344064

venterra-group.com

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What does Venterra do?

Provides engineering, project management and specialist services for offshore wind farm projects, including design, build planning, logistics, foundation installation support, moorings, inspection,…

Who does Venterra sell to?

Serves offshore wind farm developers, owners and operators worldwide, including clients involved in planning, building and operating offshore wind energy assets across the offshore energy sector.

Key contacts (8)

Michael Anthony de Rhune

Director

Natasha Maxsted

Director

Edward David Daniels

Director

Edmund John Philip Lord Browne

Director

Alex Townsend Krueger

Director

Charles Otis Holliday Jr

Director

Vivienne Cox

Director

Tove Feld

Director

Full details & directors in the file

Company vitals

UK Headcount

UK Revenue

£332.2KEstimate

Founded

5 years ago

Since Apr 2021

London

Location

Third Floor Standbrook House, 2-5 Old Bond Street

London, W1S 4PD

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Renewable Power Capital

Renewable Energy

2 employeesInc. 2020LondonCH 13066012

renewablepowercapital.com

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What does Renewable Power Capital do?

Develops, constructs, owns and operates renewable energy generation and battery storage projects. Acts as an investment platform financing and managing wind, solar and energy storage assets and…

Who does Renewable Power Capital sell to?

Serves investors seeking returns from renewable energy and storage projects, and works with project partners and local communities across Europe, including the UK, Finland and Italy.

Key contacts (3)

Leigh Partridge

Director

Bianca Farhat Cardoso Ziccarelli

Director

William Bowen Shepheard Rogers

Director

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Company vitals

UK Headcount

UK Revenue

£335.2KEstimate

Founded

5 years ago

Since Dec 2020

London

Location

Uk House 5th Floor, 164-182 Oxford Street

London, W1D 1NN

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INFINITE VENTURES (SCOVESTON) LTD

Infinite Renewables

Renewable Energy

4 employeesInc. 2012LondonCH 07982883

infiniterenewables.com

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Financial sub-scores

Computed from 3 filings

Net assets100 / 100

Cash77 / 100

Headcount40 / 100

What does INFINITE VENTURES (SCOVESTON) LTD do?

Designs, develops and manages renewable energy projects including wind and solar generation, battery energy storage and microgrids. Supplies wind turbines and remote power systems, and provides…

Who does INFINITE VENTURES (SCOVESTON) LTD sell to?

Serves businesses and organisations adopting renewable energy, including commercial energy users, infrastructure owners and sustainability teams. Also targets public and development-backed projects…

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Company vitals

UK Headcount

UK Revenue

£483.5KEstimate

Founded

14 years ago

Since Mar 2012

London

Financial health

Financial Health

Healthy

Healthy · Growing · 0% CAGR over 2y

Growing

Location

Albion Capital, 1 Benjamin Street

London, EC1M 5QL

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Arven Offshore Wind Farm

Renewable Energy

1 employeesInc. 2022LondonCH 14405641

arvenoffshorewind.com

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What does Arven Offshore Wind Farm do?

Develops and manages a floating offshore wind farm project, including planning, stakeholder engagement, and supply chain coordination, to generate large‑scale renewable electricity from offshore wind…

Key contacts (2)

Lief Holst

Director

Rafael Munilla Muñoz

Director

Full details & directors in the file

Company vitals

UK Headcount

UK Revenue

£32.4KEstimate

Founded

3 years ago

Since Oct 2022

London

Location

Shepherd And Wedderburn Llp, 1 - 6 Lombard Street

London, EC3V 9AA

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Aukera

Renewable Energy

2 employeesInc. 2021LondonCH 13560845

aukera.energy

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What does Aukera do?

Develops, invests in, and operates grid-scale renewable energy projects, including onshore wind, solar and energy storage. Provides project development, co-development, asset management and…

Who does Aukera sell to?

Serves landowners, renewable energy project owners, co-development partners and businesses involved in grid-scale wind, solar and storage projects across Europe, alongside communities linked to local…

Key contacts (1)

Pascal Bertrand Diane Marie Emsens

Director

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Company vitals

UK Headcount

UK Revenue

£362.3KEstimate

Founded

5 years ago

Since Aug 2021

London

Location

1st Floor, 14, Wigmore Street

London, W1U 2RE

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Source Galileo

Renewable EnergyOil & Gas

1 employeesInc. 2022LondonCH 14044436

sourcegalileo.com

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What does Source Galileo do?

Develops large-scale renewable energy projects, including offshore wind farms and battery energy storage systems. Activities include planning, development, and delivery of energy infrastructure…

Who does Source Galileo sell to?

Serves B2B customers and partners in the renewable energy sector, including utilities, energy companies, port operators and asset owners involved in offshore wind and battery storage projects in the…

Key contacts (1)

José Maria Fernandez Chaves

Director

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Company vitals

UK Headcount

UK Revenue

£25.4KEstimate

Founded

4 years ago

Since Apr 2022

London

Financial health

—

Financial Health

N/A

Location

41 Lothbury

London, EC2R 7HF

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Vantage RE

Renewable Energy

5 employeesInc. 2016LondonCH 10473926

vantagere.co.uk

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What does Vantage RE do?

Owns, develops and operates renewable energy generation assets, including solar farms and onshore and offshore wind projects. Manages a portfolio of operational sites and develops new projects, with…

Key contacts (5)

Nadiah Binti Abdul Hamid

Director

Premraj Janardanan

Director

Azean Abu Samad

Director

Mohd Zarihi Bin Mohd Hashim

Director

Nazmi Othman

Director

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Company vitals

UK Headcount

UK Revenue

£320.2KEstimate

Founded

9 years ago

Since Nov 2016

London

Location

1st Floor Sackville House, 143-149 Fenchurch Street

London, EC3M 6BL

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Renewable Power Capital

Renewable Energy

1 employeesInc. 2022LondonCH 14142767

renewablepowercapital.com

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What does Renewable Power Capital do?

Develops, finances, constructs, owns and operates renewable energy and battery storage projects, including wind and other power generation assets, managing project development and investment to…

Who does Renewable Power Capital sell to?

Serves investors seeking stable returns from European renewable energy and storage projects, plus energy-sector partners and local stakeholders involved in utility-scale project delivery.

Full details & directors in the file

Company vitals

UK Headcount

UK Revenue

£109.9KEstimate

Founded

4 years ago

Since May 2022

London

Financial health

—

Financial Health

N/A

Location

Uk House 5th Floor, 164-182 Oxford Street

London, W1D 1NN

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Renewable Power Capital

Renewable Energy

1 employeesInc. 2022LondonCH 14535749

renewablepowercapital.com

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What does Renewable Power Capital do?

Develops, constructs, owns and operates renewable energy generation and battery storage projects. Invests in and manages wind, solar and energy storage assets, building and operating power…

Who does Renewable Power Capital sell to?

Targets investors seeking stable returns from renewable energy and storage projects, with a market focus on European assets in countries including the UK, Finland and Italy.

Full details & directors in the file

Company vitals

UK Headcount

UK Revenue

£109KEstimate

Founded

3 years ago

Since Dec 2022

London

Location

Uk House 5th Floor, 164-182 Oxford Street

London, W1D 1NN

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Wood Thilsted

Renewable EnergyCivil Engineering

57 employeesInc. 2015LondonCH 09853253

woodthilsted.com

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Financial sub-scores

Computed from 2 filings

Headcount100 / 100

What does Wood Thilsted do?

Provides engineering and advisory services for offshore wind and renewable energy projects, including site condition analysis, geotechnical and geophysical engineering, structural design, survey…

Who does Wood Thilsted sell to?

Serves offshore wind and renewable energy developers, project owners and wider project teams seeking advisory and engineering support across the project lifecycle in global markets.

Key contacts (1)

Alastair Muir Wood

Director

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Company vitals

UK Headcount

UK Revenue

£97KEstimate

Founded

10 years ago

Since Nov 2015

London

Financial health

100

Financial Health

Strong

Strong · Hiring · 54% CAGR over 1y

Hiring

Location

1st Floor, Friars Yard, 160 Blackfriars Road

London, SE1 8EZ

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Elmya RPC Hunterston

Renewable Energy

1 employeesInc. 2022LondonCH 14059815

renewablepowercapital.com

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What does Elmya RPC Hunterston do?

Develops, finances, constructs, owns and operates renewable energy and energy storage projects. Activities include investment in wind, solar and battery storage assets, managing project development,…

Who does Elmya RPC Hunterston sell to?

Serves institutional investors and energy-market counterparties involved in utility-scale renewable energy and storage projects across Europe.

Full details & directors in the file

Company vitals

UK Headcount

UK Revenue

£109.6KEstimate

Founded

4 years ago

Since Apr 2022

London

Financial health

—

Financial Health

N/A

Location

Uk House 5th Floor, 164-182 Oxford Street

London, W1D 1NN

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Renewable Power Capital

Renewable Energy

1 employeesInc. 2022LondonCH 14541708

renewablepowercapital.com

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What does Renewable Power Capital do?

Develops, finances, constructs, owns, and operates renewable power generation and energy storage projects, including wind and battery storage, and manages an investment platform that builds and holds…

Who does Renewable Power Capital sell to?

Serves institutional investors and capital partners seeking exposure to European renewable energy and storage assets, alongside energy-sector stakeholders across Europe.

Full details & directors in the file

Company vitals

UK Headcount

UK Revenue

£20KEstimate

Founded

3 years ago

Since Dec 2022

London

Location

Uk House 5th Floor, 164-182 Oxford Street

London, W1D 1NN

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Renewable Power Capital

Renewable Energy

1 employeesInc. 2022LondonCH 14535692

renewablepowercapital.com

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What does Renewable Power Capital do?

Develops, finances, constructs, owns and operates renewable energy generation and battery storage projects. Invests in utility-scale wind, solar and energy storage assets and manages project…

Who does Renewable Power Capital sell to?

Serves investors and energy-sector partners seeking exposure to renewable power and storage projects across Europe, alongside local communities affected by project development.

Full details & directors in the file

Company vitals

UK Headcount

UK Revenue

£109KEstimate

Founded

3 years ago

Since Dec 2022

London

Location

Uk House 5th Floor, 164-182 Oxford Street

London, W1D 1NN

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FAIRWIND INSTALLATION LTD

FairWind

Renewable EnergyConstruction

25 employeesInc. 2011LondonCH 07848643

fairwind.com/en

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Financial sub-scores

Computed from 2 filings

Cash100 / 100

Headcount0 / 100

What does FAIRWIND INSTALLATION LTD do?

Provides technical services for onshore and offshore wind farms, including wind turbine installation, preassembly, operations and maintenance, decommissioning and repowering support. Also delivers…

Who does FAIRWIND INSTALLATION LTD sell to?

Serves B2B customers in the global wind energy sector, including wind farm developers, turbine OEMs and asset owners operating onshore and offshore projects, plus wind industry technicians seeking…

Key contacts (2)

Stewart Andrew Alan Mitchell

Director

Sisse Louise Mai

Director

Full details & directors in the file

Company vitals

UK Headcount

UK Revenue

£4.6MEstimate

Founded

14 years ago

Since Nov 2011

London

Financial health

Financial Health

Stable

Stable · -74% CAGR over 1y

Location

Ealing Cross 85 Uxbridge Road, 1st Floor

London, W5 5TH

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East Langwell Wind Farm

Renewable Energy

1 employeesInc. 2023LondonCH 14987554

lowcarbon.com

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What does East Langwell Wind Farm do?

Develops, owns and operates wind energy generation assets as part of a renewable energy portfolio, producing electricity from wind turbines and supplying power to the electricity grid.

Who does East Langwell Wind Farm sell to?

Serves institutional renewable-energy investors and project partners, with generated power supplied to electricity grids serving homes and businesses.

Key contacts (1)

Mike Rutgers

Director

Full details & directors in the file

Company vitals

UK Headcount

UK Revenue

£23.4KEstimate

Founded

3 years ago

Since Jul 2023

London

Location

Stirling Square, 5-7 Carlton Gardens

London, SW1Y 5AD

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Lightsource Holdings Limited

Lightsource bp

Renewable EnergyOil & GasUtilities

Inc. 2016LondonCH 10518684

lightsourcebp.com

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Financial sub-scores

Computed from 5 filings

Net assets33 / 100

Cash70 / 100

What does Lightsource Holdings Limited do?

Develops, finances, constructs and operates utility‑scale onshore renewable energy and energy storage projects, including solar and wind farms. Works with utilities, businesses and investors to…

Who does Lightsource Holdings Limited sell to?

Serves investors, large businesses, utilities, governments, landowners and local communities seeking utility-scale renewable energy and storage partnerships across global markets.

Key contacts (2)

Symvan Capital Ltd

Corporate Director

Terje Skotheim

Director

Full details & directors in the file

Company vitals

UK Headcount

UK Revenue

£31.6KEstimate

Founded

9 years ago

Since Dec 2016

London

Financial health

Financial Health

Stable

Location

First Floor, 85, Great Portland Street

London, W1W 7LT

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Floventis Energy

Renewable EnergyUtilities

5 employeesInc. 2021LondonCH 13333598

floventis.com

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Financial sub-scores

Computed from 2 filings

Headcount40 / 100

What does Floventis Energy do?

Develops floating offshore wind power projects, including test and demonstration sites to support commercial deployment of floating wind turbines. Provides project development, planning and…

Who does Floventis Energy sell to?

Targets public and private-sector energy stakeholders involved in floating

Key contacts (1)

Mikael Jakobsson

Director

Full details & directors in the file

Company vitals

UK Headcount

UK Revenue

£80.8KEstimate

Founded

5 years ago

Since Apr 2021

London

Financial health

Financial Health

Stable

Stable · 0% CAGR over 1y

Location

C/O Shepherd And Wedderburn Llp, 1-6 Lombard Street

London, EC3V 9AA

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Renewable Power Capital

Renewable Energy

1 employeesInc. 2022LondonCH 14536144

renewablepowercapital.com

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What does Renewable Power Capital do?

Develops, finances, constructs, owns, and operates renewable energy generation and energy storage projects. Focuses on building and managing wind, solar, and battery energy storage assets as part of…

Who does Renewable Power Capital sell to?

Serves institutional investors and energy-sector counterparties across Europe, with engagement from local communities and public planning stakeholders around renewable power and storage projects.

Full details & directors in the file

Company vitals

UK Headcount

UK Revenue

£109KEstimate

Founded

3 years ago

Since Dec 2022

London

Location

Uk House 5th Floor, 164-182 Oxford Street

London, W1D 1NN

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LOW Carbon

Renewable Energy

4 employeesInc. 2021LondonCH 13356797

lowcarbon.com

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What does LOW Carbon do?

Develops, invests in, builds, owns and operates large-scale renewable energy projects, including solar, wind, waste-to-energy and battery storage installations, supplying low-carbon electricity to…

Who does LOW Carbon sell to?

Serves institutional investors and project partners in large-scale renewable energy, with electricity ultimately supplied through grids to homes and businesses.

Key contacts (1)

Siobhan Frances Temple

Director

Full details & directors in the file

Company vitals

UK Headcount

UK Revenue

£402.3KEstimate

Founded

5 years ago

Since Apr 2021

London

Location

Stirling Square, 5-7 Carlton Gardens

London, SW1Y 5AD

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National Energy

Renewable Energy

5 employeesInc. 2018LondonCH 11703451

national.energy

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What does National Energy do?

Develops, finances, builds and operates renewable energy projects. Activities include early‑stage development through long‑term ownership of solar PV, wind power, green hydrogen and energy storage…

Key contacts (2)

Giles Anthony Clark

Director

Tracy Reetz Dalton

Director

Full details & directors in the file

Company vitals

UK Headcount

UK Revenue

£334.6KEstimate

Founded

7 years ago

Since Nov 2018

London

Location

Fieldfisher Llp Riverbank House, 2 Swan Lane

London, EC4R 3TT

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Cubico Sustainable Investments

Renewable EnergyAsset Management

5 employeesInc. 2017LondonCH 11104418

cubicoinvest.com

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What does Cubico Sustainable Investments do?

Invests in, owns and operates renewable energy infrastructure projects. Portfolio includes onshore wind farms, solar photovoltaic and solar thermal plants, battery energy storage systems, and…

Key contacts (9)

David Vachon

Director

James Michael Hanson

Director

Paul Thaddeus Hanrahan

Director

Patrick Gut

Director

Priscilla Ann Davies

Director

Jens-Peter Saul

Director

Anthony John Poulter

Director

Maria Morsillo

Director

Christopher James Ireland

Director

Full details & directors in the file

Company vitals

UK Headcount

UK Revenue

£334.6KEstimate

Founded

8 years ago

Since Dec 2017

London

Location

Cubico Sustainable Investments, 70 St Mary Axe

London, EC3A 8BE

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Renewable Power Capital

Renewable Energy

1 employeesInc. 2022LondonCH 14142763

renewablepowercapital.com

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What does Renewable Power Capital do?

Develops, finances, constructs, owns and operates renewable energy generation and battery storage projects, including wind, solar and grid-scale storage, as part of an investment platform managing a…

Who does Renewable Power Capital sell to?

Targets investors seeking returns from European renewable energy and storage assets, as well as project partners and local communities connected to clean energy infrastructure.

Full details & directors in the file

Company vitals

UK Headcount

UK Revenue

£109.9KEstimate

Founded

4 years ago

Since May 2022

London

Financial health

—

Financial Health

N/A

Location

Uk House 5th Floor, 164-182 Oxford Street

London, W1D 1NN

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JP Wind Limited

Japan Wind Development

Renewable Energy

Inc. 2011LondonCH 07640635

jwd.co.jp/en

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Financial sub-scores

Computed from 4 filings

Cash100 / 100

What does JP Wind Limited do?

Develops wind power generation projects, including site surveys, planning and construction of onshore and offshore wind farms. Also manages operation and maintenance of wind turbines and related…

Key contacts (1)

Johannes Falk

Director

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Company vitals

UK Headcount

UK Revenue

£669.7K

Founded

15 years ago

Since May 2011

London

Financial health

100

Financial Health

Strong

Location

823 Salisbury House, 29 Finsbury Circus

London, EC2M 5QQ

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Windfarms M&A Ltd

Windfarms M&A

Renewable EnergyConstruction

4 employeesInc. 2008LondonCH 06504454

windfarmsltd.com

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Financial sub-scores

Computed from 3 filings

Net assets17 / 100

Headcount20 / 100

What does Windfarms M&A Ltd do?

Provides development, design, construction and installation of wind and photovoltaic power plants. Offers project management, EPC services, monitoring and maintenance, and advises clients on…

Who does Windfarms M&A Ltd sell to?

Serves renewable energy investors, green energy companies and third-party plant owners involved in medium and large wind and photovoltaic projects, with stakeholders including suppliers,…

Key contacts (1)

Pietro Stampone

Director

Full details & directors in the file

Company vitals

UK Headcount

UK Revenue

£1MEstimate

Founded

18 years ago

Since Feb 2008

London

Financial health

Financial Health

Distressed

Distressed · -11% CAGR over 2y

Financial distress

Location

1803 West India Quay, 26 Hertsmere Road

London, E14 4EF

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NEXTA CAPITAL LIMITED

Nexta Capital Partners

Asset ManagementRenewable EnergyPrivate Equity

Inc. 2013ChesterCH 08415239

nexta-capital.com

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Financial sub-scores

Computed from 5 filings

Cash100 / 100

What does NEXTA CAPITAL LIMITED do?

Investment firm focused on developing, financing, constructing and operating renewable energy and energy infrastructure assets. Invests in projects such as onshore and offshore wind, solar…

Who does NEXTA CAPITAL LIMITED sell to?

Serves investors and capital partners seeking exposure to clean energy and infrastructure assets, particularly across renewables, energy storage, power-to-X, bioenergy, and power and gas markets.

Full details & directors in the file

Company vitals

UK Headcount

UK Revenue

£57.5KEstimate

Founded

13 years ago

Since Feb 2013

Chester

Financial health

100

Financial Health

Strong

Location

First Floor, The Foundation, Herons Way, Chester Business Park

Chester, CH4 9GB

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DIAMOND TRANSMISSION UK LIMITED

Diamond Transmission

Renewable EnergyUtilities

Inc. 2019LondonCH 12280960

dtukltd.com

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What does DIAMOND TRANSMISSION UK LIMITED do?

Acts as a holding company investing in offshore electricity transmission assets linked to wind farms. Owns and operates offshore transmission systems and provides asset management for investments…

Who does DIAMOND TRANSMISSION UK LIMITED sell to?

Serves offshore wind farm owners, developers, electricity generators and UK energy-sector stakeholders requiring offshore transmission infrastructure and asset management.

Key contacts (1)

Antione Jean Rene Kerrennuer

Director

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Company vitals

UK Headcount

UK Revenue

£1.3MEstimate

Founded

6 years ago

Since Oct 2019

London

Financial health

—

Financial Health

N/A

Location

71 Kingsway

London, WC2B 6ST

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FLEX WIND UK LIMITED

Flex Wind

Renewable EnergyField Services & Trades

Inc. 2023LondonCH 15273616

flex-wind.com

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What does FLEX WIND UK LIMITED do?

Provides installation, maintenance, and repair services for wind turbines, including blade inspection and repair, gearbox work, and scheduled servicing. Supplies technicians for turbine installation…

Who does FLEX WIND UK LIMITED sell to?

Serves B2B clients in the wind industry, including organisations running wind turbine installation, service, maintenance and blade repair projects across Europe, Latin America and South Africa.

Key contacts (2)

Carsten Frees

Director

Pernille Flojgaard

Director

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Company vitals

UK Headcount

UK Revenue

£597.1KEstimate

Founded

2 years ago

Since Nov 2023

London

Financial health

—

Financial Health

N/A

Location

167-169 Great Portland Street, 5th Floor

London, W1W 5PF

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GREENSOLVER UK LIMITED

Greensolver

Renewable EnergyAsset ManagementManagement Consulting

14 employeesInc. 2005Barnards INN, 86 Fetter Lane, LondonCH 05444988

greensolver.net

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Financial sub-scores

Computed from 3 filings

Net assets100 / 100

Cash28 / 100

Headcount77 / 100

What does GREENSOLVER UK LIMITED do?

Provides technical, financial and commercial advisory and asset management services for renewable energy projects. Supports lenders, investors and asset owners with due diligence, energy yield…

Who does GREENSOLVER UK LIMITED sell to?

Serves B2B clients in renewable energy, especially lenders, investors and asset owners involved in wind, solar and battery storage projects. Targets organisations developing, financing, acquiring,…

Key contacts (3)

Yann Pierre Geffriaud

Director

Carla Vico Rico

Director

Greensolver Holding Sas

Corporate Director

Full details & directors in the file

Company vitals

UK Headcount

UK Revenue

£959KEstimate

Founded

21 years ago

Since May 2005

Barnards INN, 86 Fetter Lane, London

Financial health

Financial Health

Healthy

Healthy · Hiring · 13% CAGR over 2y

Hiring

Location

Map of Barnards INN, 86 Fetter Lane, London

Dmh Stallard Llp, Fetter Yard

Barnards Inn, 86 Fetter Lane, London, EC4A 1EN

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Fred. Olsen Ocean

Renewable Energy

5 employeesInc. 2007LondonCH 06443267

fredolsenocean.com/about-us

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What does Fred. Olsen Ocean do?

Operates as a holding company for businesses providing services to the offshore wind industry, including vessel-based transport and installation of wind turbines, turbine technicians and maintenance…

Who does Fred. Olsen Ocean sell to?

Serves B2B clients in the offshore wind sector, including wind farm developers, owners, operators and renewable energy companies involved in offshore wind projects.

Key contacts (4)

Richard Olav Aa

Director

Jeremy Dowler

Director

Anette Sofie Olsen

Director

Thomas Fredrik Olsen

Director

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Company vitals

UK Headcount

UK Revenue

£352.9KEstimate

Founded

18 years ago

Since Dec 2007

London

Location

2nd Floor, 36, Broadway

London, SW1H 0BH

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BLACK HILL WIND FARM LIMITED

Blackhills Wind Farm

Renewable Energy

Inc. 2002LondonCH 04493876

kre-blackhills.co.uk

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Financial sub-scores

Computed from 3 filings

Net assets13 / 100

Cash9 / 100

What does BLACK HILL WIND FARM LIMITED do?

Develops and operates onshore wind farm projects that generate electricity from wind turbines and supply power to the grid. Activities include planning, construction and operation of turbines and…

Who does BLACK HILL WIND FARM LIMITED sell to?

Sells to B2B energy-market counterparties purchasing wind-generated electricity and related benefits, including power offtakers and grid or wholesale electricity buyers.

Full details & directors in the file

Company vitals

UK Headcount

UK Revenue

£12.5M

Founded

24 years ago

Since Jul 2002

London

Financial health

Financial Health

Distressed

Financial distress

Location

8th Floor, 6 Kean Street

London, WC2B 4AS

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Ampyr Energy UK LLP

Ampyr

Renewable Energy

Inc. 2019LondonCH OC430093

ampyrenergy.com

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Financial sub-scores

Computed from 5 filings

Net assets100 / 100

Cash100 / 100

What does Ampyr Energy UK LLP do?

Invests in, develops and operates renewable energy and battery storage projects, including onshore wind and solar installations. Provides asset management, power supply and optimisation services, and…

Who does Ampyr Energy UK LLP sell to?

Targets institutional investors, large power users, landowners, communities and public sector bodies in renewable energy and battery storage markets across Asia, Australia, UK/Europe and the USA.

Full details & directors in the file

Company vitals

UK Headcount

UK Revenue

£766.3KEstimate

Founded

6 years ago

Since Dec 2019

London

Financial health

100

Financial Health

Strong

Location

14b, Tower 42,, 25 Old Broad Street

London, EC2N 1HN

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RAINMAKER RENEWABLES BETA LIMITED

Rainmaker Energy

Renewable Energy

Inc. 2017BeckenhamCH 10884565

rainmakerenergy.co.uk

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Financial sub-scores

Computed from 5 filings

Cash17 / 100

Headcount0 / 100

What does RAINMAKER RENEWABLES BETA LIMITED do?

Develops, owns and operates renewable energy projects, focusing on utility-scale grid-connected solar photovoltaic and onshore wind farms, as well as aggregated rooftop solar installations.…

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Company vitals

UK Headcount

UK Revenue

£342.5KEstimate

Founded

9 years ago

Since Jul 2017

Beckenham

Financial health

Financial Health

Distressed

Financial distress

Location

409-411 Croydon Road

Beckenham, BR3 3PP

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NTR Solar 1

Renewable EnergyAsset Management

5 employeesInc. 2015LondonCH 09650961

ntrplc.com

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What does NTR Solar 1 do?

Operates as a holding and investment vehicle within a renewable energy asset management group, supporting investment in the development, construction and operation of wind, solar and battery storage…

Who does NTR Solar 1 sell to?

Serves institutional investors, asset-management partners and co-investors seeking exposure to European renewable energy infrastructure across wind, solar and energy storage.

Full details & directors in the file

Company vitals

UK Headcount

UK Revenue

£317.6KEstimate

Founded

11 years ago

Since Jun 2015

London

Location

Suite 5, 7th Floor,, 50 Broadway

London, SW1H 0DB

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Queequeg Enterprises Ltd

Queequeg Renewables

Renewable Energy

Inc. 2018LondonCH 11178935

quren.co

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Financial sub-scores

Computed from 5 filings

Net assets100 / 100

Cash100 / 100

Headcount0 / 100

What does Queequeg Enterprises Ltd do?

Develops, finances and operates large-scale renewable energy projects, including wind farms, solar farms and battery energy storage systems. Manages project development and partners with landowners…

Who does Queequeg Enterprises Ltd sell to?

Serves landowners, farmers and owners of agricultural or brownfield sites seeking long-term partnerships for large-scale wind, solar and battery storage projects across multiple territories.

Full details & directors in the file

Company vitals

UK Headcount

UK Revenue

£355.9KEstimate

Founded

8 years ago

Since Jan 2018

London

Financial health

Financial Health

Healthy

Location

2nd Floor, The Works, 14 Turnham Green Terrace Mews

London, W4 1QU

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Westbridge Renewable Energy Asset Management Limited

Westbridge Renewable Energy

Renewable EnergyAsset Management

3 employeesInc. 2019LondonCH 11964426

westbridge.energy/team

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Financial sub-scores

Computed from 5 filings

Net assets0 / 100

Cash33 / 100

Headcount40 / 100

What does Westbridge Renewable Energy Asset Management Limited do?

Develops, finances and manages utility‑scale renewable energy projects, including solar photovoltaic, battery energy storage, wind, biomass and energy‑from‑waste assets, supporting project…

Key contacts (1)

Philip Downes Stubbs

Director

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Company vitals

UK Headcount

UK Revenue

£318.8KEstimate

Founded

7 years ago

Since Apr 2019

London

Financial health

Financial Health

Distressed

Distressed · 0% CAGR over 4y

Financial distressTechnical insolvency

Location

50 Sloane Avenue

London, SW3 3DD

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Noventum Power

Renewable Energy

15 employeesInc. 2021LondonCH 13731615

noventumpower.co.uk

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Financial sub-scores

Computed from 3 filings

Headcount100 / 100

What does Noventum Power do?

Develops and invests in renewable energy projects, including utility‑scale solar farms, wind power and battery energy storage systems. Provides in‑house project development covering site acquisition,…

Who does Noventum Power sell to?

Targets UK landowners and energy-sector stakeholders involved in large-scale renewable power projects, including solar, wind and battery storage.

Full details & directors in the file

Company vitals

UK Headcount

UK Revenue

£221.4KEstimate

Founded

4 years ago

Since Nov 2021

London

Financial health

100

Financial Health

Strong

Strong · Hiring · 123% CAGR over 2y

Hiring

Location

19 Eastbourne Terrace

London, W2 6LG

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Renewable Power Capital

Renewable Energy

1 employeesInc. 2022LondonCH 14059928

renewablepowercapital.com

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What does Renewable Power Capital do?

Develops, finances, constructs, owns, and operates renewable energy generation and battery energy storage projects. Acts as an investment platform managing wind, solar, and storage assets and…

Who does Renewable Power Capital sell to?

Serves investors seeking stable returns from European renewable energy and storage assets, with activity focused on utility-scale project portfolios across the United Kingdom, Finland, Italy and…

Full details & directors in the file

Company vitals

UK Headcount

UK Revenue

£109.6KEstimate

Founded

4 years ago

Since Apr 2022

London

Financial health

—

Financial Health

N/A

Location

Uk House 5th Floor, 164-182 Oxford Street

London, W1D 1NN

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PRINCIPLE POWER (EUROPE) LIMITED

Principle Power

Renewable EnergyCivil Engineering

3 employeesInc. 2011LondonCH 07576908

principlepower.com

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Financial sub-scores

Computed from 5 filings

Cash100 / 100

What does PRINCIPLE POWER (EUROPE) LIMITED do?

Develops and licenses floating foundations for offshore wind turbines. Provides engineering, design, project development support, and operations and maintenance services for floating offshore wind…

Who does PRINCIPLE POWER (EUROPE) LIMITED sell to?

Serves offshore wind project developers, utilities and energy companies pursuing floating wind projects, plus supply-chain partners involved in large-scale offshore wind deployment worldwide.

Key contacts (1)

Joao Filipe Barbosa Loureiro Amaral

Director

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Company vitals

UK Headcount

UK Revenue

£619.9K

Founded

15 years ago

Since Mar 2011

London

Financial health

100

Financial Health

Strong

Financial distressTechnical insolvency

Location

16 Park View

London, N21 1QX

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Statkraft

Renewable EnergyUtilities

6 employeesInc. 2006LondonCH 05742795

statkraft.co.uk

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What does Statkraft do?

Develops, owns and operates renewable energy projects including hydropower, wind farms and solar plants. Trades electricity and renewable certificates and provides power purchase agreements,…

Who does Statkraft sell to?

Serves UK businesses, energy suppliers, resellers, landowners and grid flexibility participants seeking renewable power agreements, certificates, optimisation services, green hydrogen arrangements or…

Key contacts (4)

Portia Adomako-Mensah

Director

Sorrel Anne Sorsby

Director

Dennis Manuel Geyermann

Director

Sergio Patricio Castedo

Director

Full details & directors in the file

Company vitals

UK Headcount

UK Revenue

£100.1KEstimate

Founded

20 years ago

Since Mar 2006

London

Location

19th Floor, 22 Bishopsgate

London, EC2N 4BQ

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How London Wind Energy companies work and how to sell to them

What they do

Revenue usually comes from project-linked work rather than seat-based subscriptions: development fees, success fees, asset-management retainers, engineering day rates, maintenance contracts, advisory mandates and, for owners, power sales or offtake-backed returns. London wind-energy firms often sit between capital and assets, shaping bids, financing packages, risk registers and operating plans for onshore and offshore portfolios. Pricing tends to follow the risk being transferred. Early-stage advisory may be day-rate or fixed-fee, while construction, operations and portfolio mandates are commonly multi-year, milestone-based or tied to availability, output or asset value.

Who they sell to

Typical buyers are infrastructure funds, utilities, renewable-power developers, asset owners, engineering contractors, corporate offtakers and public bodies connected to planning, ports or grid-adjacent work. Decision-makers tend to be investment directors, project directors, heads of procurement, general counsel, asset managers, engineering leads and finance teams managing covenant or return assumptions. Sales cycles are rarely short. Smaller advisory tasks can close through direct relationships, but mandates involving construction, operations or finance usually move through formal procurement, legal review and technical diligence. RFPs, preferred-supplier lists and partner introductions matter, particularly where safety liability or public money is involved.

What they buy

Most wind-energy firms tend to spend on tools and services that reduce project uncertainty or make assets easier to manage. Useful categories include project finance support, legal and planning advice, land or seabed rights administration, grid-connection consultancy, engineering design review, health-and-safety systems, maintenance planning, asset-performance analytics, document control, procurement support and insurance broking. Commercial teams may also buy CRM, proposal management, market intelligence, contract lifecycle management and accounting systems suited to long projects and joint ventures. Operators and service teams often need field-service software, remote monitoring, workforce scheduling, training, specialist recruitment and cyber security for operational technology.

Why and how to sell to them

Buying intent tends to appear around financing rounds, portfolio acquisitions, new development pipelines, contract renewals, leadership hires, insurance reviews, grid-connection milestones and movement from consent into construction or operations. Pain points are usually practical: delay risk, evidence for lenders, safety assurance, contractor coordination, cost control, asset downtime and uncertainty over offtake terms. Outbound works better when it is anchored to a visible project stage or corporate event, not a generic decarbonisation message. Sellers should show how they reduce due-diligence burden, shorten procurement work, improve audit trails or protect revenue under long-dated contracts, while accepting that technical validation will usually precede commercial agreement.

How this list is built

Methodology

Data sources

This list is built from UK Companies House filings, XBRL accounts data, and semantic analysis of each company's public website. Revenue and headcount figures come from the most recent filed accounts; where the company has not filed, values are estimated using a model trained on filed history and peer benchmarks and are labelled as estimates.

Classification

Rather than relying solely on SIC codes, Firmbase classifies each company semantically: the company's website is crawled, an AI model reads what the company actually sells, and the company is placed into the relevant industry and subsectors. SIC codes are used as one signal but not the only one. This means a company that registered under a generic SIC code but pivoted into (for example) fintech is correctly identified as fintech, not as its original SIC category.

Freshness

The underlying company data is refreshed from Companies House continuously; filings appear in the list within days of submission. The curated list ordering is regenerated when the underlying data moves meaningfully (company count changes by more than 5%, a new company enters the top-ranked segment, or the filed-revenue numbers for the top firms change). You can see the last-updated timestamp near the top of the page.

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Frequently asked questions

How many wind energy companies are there in London?

Around 79 actively-trading wind energy companies are registered in London. Of those, 11 report turnover above £5M in their most recent filed accounts. This London list covers companies across the wider London travel-to-work area, including surrounding towns — not just the London local-authority boundary.

What counts as a wind energy company in this list?

A company is included when its public website and filed activity descriptions indicate it sells wind energy products or services as its primary business — not just because of the SIC code it picked at incorporation. Each company is tagged via semantic analysis of its website content; SIC codes are used as supporting signal, not the sole gate.

Which are the largest wind energy companies in London?

The list is ranked by a sales-readiness score — built from trading signals, financial health and growth rather than raw turnover — so the most actionable wind energy companies in London appear at the top of the table. Larger firms often still rank highly, because that score rewards genuine trading scale, but the order reflects sales-readiness, not turnover alone. About 11 of the 79 actively-trading firms report turnover above £5M in their most recent accounts; subsidiaries that file consolidated worldwide accounts are excluded so the figures stay comparable across UK filers.

What do wind energy companies in London actually do?

How does London wind energy compare internationally?

Cross-border comparisons of wind energy populations are tricky because every country defines the sector slightly differently and reports financials on different cadences. We focus this list on firms that file UK statutory accounts so the figures are comparable; international peer breakdowns aren't bundled here.

How is this list built and how fresh is the data?

The list is rebuilt from Companies House dump data, XBRL filings, and a website analysis pass over each company's public site. Companies with consolidated group accounts (worldwide rather than UK-only revenue) are excluded so the figures stay UK-specific. The page's last-updated date is shown at the top.

How big are the typical wind energy companies in London?

Company sizes in this list vary widely. The median actively-trading wind energy firm employs around 2 people, and median UK turnover across the list is roughly £103k in the most recent filed accounts.

Are these mostly new or established wind energy companies?

19 of the 79 actively-trading wind energy companies in this list were incorporated since 2022; the remainder were incorporated before then, so the London list mixes recent entrants with longer-established firms.

What SIC codes does this use?

Rather than relying solely on SIC codes, we build a semantic understanding of what each company actually does by scraping its website and analysing it with AI. This means a company is included based on what it sells, not what SIC code it picked at incorporation. SIC codes are used as a signal but not the primary classification.

What buying signals should I look for?

The strongest signals for B2B outbound are recent leadership changes (new CFO/CRO), rapid headcount growth, revenue-band changes, and web-stack changes. Firmbase tracks all of these automatically.

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