Renewable Energy Companies Using Akismet in the UK: 60 Active Firms (2026)
Renewable-energy adopters of website anti-spam tooling run generation, supply or project businesses in the UK energy market.
For renewable-energy operators, anti-spam tooling sits close to the public website rather than the power asset. It protects enquiry forms, comment areas and project-update pages used by customers, stakeholders and project counterparties. Adoption tends to signal a maintained direct channel: the company has enough inbound contact, content publishing or stakeholder material to justify routine site administration, but not necessarily a large internal technology team. In this sector it usually fits generation, development, supply or services businesses with small marketing functions, outsourced web support, and a need to keep low-value spam from obscuring planning, procurement or customer enquiries.
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Among UK renewable-energy businesses running this anti-spam stack, 60 companies are actively trading. Reported headcount totals 853, so adoption is not confined to empty project vehicles, though many users still look operationally small. Within this website-plugin category, the system accounts for 17.9% of detected usage in the renewable-energy sector, placing it ahead of the other detected plugins in the ranking. Registered-office skew is dispersed: South East and London each account for 13.3% of the cohort, East Midlands and North West each for 11.7%, and East of England for 8.3%.
Businesses that generate, move or supply energy in Great Britain sit inside Ofgem’s licensing framework, so website operations are a peripheral part of a licensed commercial model. Ofgem says companies need a licence for those activities and must comply with standard and any special licence conditions once granted. The Renewables Obligation is closed to new generating capacity, but accredited stations still face audit and compliance checks and must submit generation information for certificates. For websites, anti-spam tooling is mainly a control on operational noise: enquiry forms, consultation updates and stakeholder pages need to remain usable without turning routine inbound contact into avoidable personal-data exposure.
Adoption appears likely to remain tied to website maintenance cycles rather than energy-market expansion itself. The cohort leans toward smaller project and service businesses, so the tool often arrives through packaged website builds or agency support rather than formal software procurement. Where firms add direct enquiry, community consultation or investor-relations content, spam control tends to become less optional, particularly for lean teams without dedicated web operations. Over time, bundling inside managed hosting and form stacks may reduce visible stand-alone adoption, while compliance scrutiny keeps pressure on clean capture of inbound messages.
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
Verified directors — included
Adoption by company size
Adoption of Akismet rises with company size across the trading UK Renewable energy companies in this cohort. 1.5% of the 2,672 companies with under 10 employees run Akismet (41 detected). 2.1% of the 824 companies with 10–50 employees run Akismet (17 detected). 4.1% of the 74 companies with over 50 employees run Akismet (3 detected). That is a 2.6% gap between the over 50 employees and under 10 employees bands.
60
Active firms
2026
17.9%
Of detected WordPress plugins share
UK Renewable energy
6
Median headcount
Filed accounts
138
Verified directors
Across this cohort
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Key facts
About 6% of the trading cohort reports turnover above £5M (4 of 60 firms) — the rest sits below that revenue band.
1% of the cohort was incorporated since 2022 (1 firms), so a sizeable share is in its first few filing cycles.
Among 336 renewable-energy companies with a detectable plugin in this category, the anti-spam tool is first by detected share at 17.9% (60), ahead of the next systems at 15.2% (51) and 11.6% (39).
Search optimisation and form-handling often sit alongside the anti-spam signal: 53.3% (32) also run an SEO plugin, 46.7% (28) a challenge-response tool and 43.3% (26) a contact-form plugin.
South East and London each account for 13.3% (8) of the cohort, followed by East Midlands and North West at 11.7% (7) each.
Renewable-energy businesses that generate, move or supply energy in Great Britain need an Ofgem licence and must comply with standard and any special licence conditions once granted.
UK renewables generated 50.8% of UK electricity in 2024, up from 46.4% in 2023, with renewable output reaching 144.7 TWh.
Security market share among UK Renewable Energy
Share of the 336 UK Renewable Energy with a detectable system. As of June 2026.
What else do Akismet-running Renewable Energy run?
Share of the 60 Akismet-running UK companies where each technology was also detected. As of June 2026.
Where Akismet Renewable Energy are, and how healthy they look
By region
By registered-office region; companies without a regional match count toward Rest of UK.
By financial health
From filed accounts; firms with fewer than two filings show as insufficient history.
6
Median headcount
£625.8K
Median UK turnover
6.7%
Above £5M turnover
1
Incorporated since 2022
Verified directors — included in the file
Director names and roles for these 97 companies, alongside financials and websites, in one CSV file.
Top UK Renewable Energy using Akismet
Ranked by sales-readiness score: an AI model assesses what each company does, its sector and size, and scores its overall fit. Best-fit prospects appear first.
Financial sub-scores
Computed from 3 filingsDevelops, owns and operates wind farms on farmland and industrial estates. Secures land through lease agreements with landowners and manages the planning, installation and operation of wind energy…
Targets landowners with windy sites of at least 100 acres in Scotland or Wales, including farms and industrial estates suitable for wind farm leases or site sales.
Financial Health
HealthyHealthy · 0% CAGR over 2y
Location
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Financial sub-scores
Computed from 4 filingsDevelops, constructs and services renewable energy projects including wind, solar and energy storage. Provides asset management, operations and maintenance, consultancy, construction management,…
Serves B2B renewable energy investors, asset owners and operators, utilities, landowners and local communities involved in wind, solar, storage, transmission and green hydrogen projects globally.
Financial Health
StrongStrong · Hiring · 15% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsOperates a community-owned electricity system generating power from hydroelectric, wind and solar sources. Manages renewable generators, backup diesel units, and a local distribution grid supplying…
Serves island residents, homeowners and local businesses on the Isle of Eigg that need electricity supply from the island’s community-owned grid.
Financial Health
StrongStrong · Hiring · 9% CAGR over 4y
Location
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Financial sub-scores
Computed from 3 filingsDevelops large-scale renewable energy projects, including onshore and offshore wind, solar photovoltaic, and ocean energy such as wave and tidal. Also works on energy storage and hydrogen-based…
Serves B2B and public-sector energy buyers, including utilities, grid operators, large energy users, governments and Crown Estate-style leasing bodies involved in large-scale renewable energy and…
Financial Health
WeakWeak · -9% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsProvides development, management and fundraising support for community-owned renewable energy projects. Works with co‑operatives to develop wind, solar, hydro and biomass schemes, run community share…
Serves UK community renewable energy co-operatives, community groups, councils and public bodies, landowners, developers and owners of large sites, plus individual citizens looking to invest in…
Financial Health
StableStable · -66% CAGR over 4y
Location
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Financial sub-scores
Computed from 3 filingsSupplies and installs remanufactured Vestas wind turbines for farms and landowners, including new onshore turbine installations and repowering of existing sites. Also arranges land lease agreements…
Serves UK farmers and landowners, including rural property owners with existing FiT-accredited wind turbine sites and those considering first-time installations or land lease income.
Financial Health
HealthyHealthy · 0% CAGR over 2y
Location
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Financial sub-scores
Computed from 4 filingsDesigns, supplies and installs commercial solar photovoltaic (PV) systems, including rooftop solar, solar carports and battery storage. Provides system design, performance modelling, installation,…
Serves commercial organisations and public-sector buyers, including construction developers and contractors, schools, food manufacturers, retailers, data centres and sporting venues seeking solar…
Financial Health
StrongStrong · Growing, Hiring · 8% CAGR over 3y
Location
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Financial sub-scores
Computed from 2 filingsProvides operations and maintenance services to the offshore wind industry, including inspections, subsea surveys, cable pull‑in, termination and testing. Supplies technicians and crew transfer…
Serves B2B customers in the offshore wind sector, including wind farm owners, operators, developers and installation contractors needing project support, technicians and vessel capacity for offshore…
Financial Health
WeakWeak · -8% CAGR over 1y
Location
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Financial sub-scores
Computed from 4 filingsProvides installation, maintenance and servicing for renewable energy systems including wind turbines, solar PV, combined heat and power (CHP) and high‑voltage infrastructure. Supports planning,…
Serves landowners, renewable energy developers and manufacturers involved in wind, solar, CHP and battery storage projects across the UK.
Financial Health
StrongStrong · Growing · 0% CAGR over 3y
Location
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Financial sub-scores
Computed from 3 filingsDesigns and installs solar panel systems, battery storage and energy management solutions for residential, commercial and public-sector buildings. Provides system design, installation and integration…
Serves UK homeowners, commercial property owners, new-build developers and public-sector facility managers.
Financial Health
HealthyHealthy · Hiring · 97% CAGR over 3y
Location
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Financial sub-scores
Computed from 3 filingsDesigns, installs and maintains energy infrastructure including solar photovoltaic systems, electric vehicle charging stations, battery storage systems and grid connections. Also develops and…
Serves commercial customers pursuing net-zero energy projects, including service stations, car dealerships, farms, hotels and leisure operators, with some domestic customers also referenced.
Financial Health
HealthyHealthy · Hiring · 25% CAGR over 2y
Location
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Financial sub-scores
Computed from 4 filingsDevelops airborne wind energy systems using kite‑mounted turbines that generate electricity through tethered rotary power transmission. Conducts research, prototyping and testing of lightweight,…
Financial Health
StableStable · 0% CAGR over 3y
Location
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Computed from 5 filingsDesigns, manufactures and supplies lithium‑ion battery energy storage systems and hybrid power generators for commercial and industrial use. Offers Hussh Pod BESS units for purchase, hire or lease to…
Serves UK commercial organisations needing temporary or purchased power systems, including construction, healthcare, data centres, TV and film, rail, utilities, telecoms, EV charging and tower crane…
Financial Health
StrongStrong · Growing, Hiring · 63% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsDesigns and installs solar photovoltaic (PV) systems for homes, businesses, communities and property developers. Provides battery storage, EV charging points, system monitoring and maintenance…
Serves homeowners, businesses, community organisations and property developers across Herefordshire, Worcestershire, Gloucestershire and the Marches seeking lower energy costs and carbon emissions.
Financial Health
StrongStrong · Growing, Hiring · 19% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides high‑voltage electrical engineering services for transmission and distribution networks, including commissioning at 400kV and 275kV, protection and control system testing, factory acceptance…
Serves B2B clients in electrical transmission and distribution, including transmission system operators, renewable and nuclear generation projects, offshore wind farms, substations and high-voltage…
Financial Health
HealthyHealthy · Hiring · 6% CAGR over 4y
Location
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Financial sub-scores
Computed from 3 filingsDesigns, supplies, installs and maintains renewable energy and efficiency systems for commercial and new-build projects, including solar photovoltaic installations, LED lighting upgrades, and battery…
Serves commercial property owners, new-build developers, retailers, warehouses and other businesses seeking renewable energy, LED lighting and energy storage projects for their premises.
Financial Health
StableStable · Hiring · 22% CAGR over 2y
Location
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Invests in and develops energy projects including offshore wind and solar power, operates electric vehicle charging infrastructure, supplies gas and electricity to businesses, and manufactures and…
Serves UK business energy customers, transport and aviation operators, industrial buyers of lubricants, bitumen and special fluids, plus motorists using public EV charging.
Location
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Financial sub-scores
Computed from 5 filingsDesigns and installs renewable energy systems for homes and businesses, including solar PV panels, battery storage, heat pumps, and electric vehicle charging points. Also provides system maintenance…
Serves homeowners and business owners with domestic and commercial properties in London, Surrey, Sussex, Hampshire, Berkshire and Kent seeking renewable energy installations and maintenance.
Financial Health
HealthyHealthy · Growing · 0% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsInstalls solar photovoltaic systems for residential and commercial properties, including system design, panel installation, battery storage integration, EV charger installation, and maintenance and…
Targets homeowners, commercial property owners, businesses and housebuilding sites across Telford, Shrewsbury, Shropshire, Mid Wales, Cheshire and the West Midlands.
Financial Health
StrongStrong · Growing, Hiring · 19% CAGR over 4y
Location
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Financial sub-scores
Computed from 3 filingsInstalls and maintains renewable and heating systems including biomass boilers, solar PV, solar thermal, battery storage and oil boilers. Provides system design, servicing, energy consulting, and…
Serves residential homeowners, farmers and small to mid-sized commercial sites including offices, factories and hotels, mainly in Northern England and Southern Scotland, with some coverage in…
Financial Health
HealthyHealthy · Hiring · 17% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsDesigns and installs energy efficiency systems for buildings, including LED lighting, smart lighting controls, solar PV, and sustainable heating technologies. Provides consultancy, design, and funded…
Serves education providers, NHS and healthcare estates, public sector building owners, commercial property operators, leisure facilities, and industrial/distribution sites.
Financial Health
HealthyHealthy · Hiring · 19% CAGR over 5y
Location
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Financial sub-scores
Computed from 5 filingsProvides installation, repair and maintenance of solar photovoltaic systems for residential and commercial properties. Services include fitting solar panels, batteries and inverters, system upgrades,…
Serves homeowners and businesses across the UK seeking domestic or commercial solar PV systems, battery storage, inverter replacements, and maintenance, including customers with existing solar…
Financial Health
WeakWeak
Location
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Computed from 3 filingsInstalls and services solar photovoltaic systems and battery storage for residential and commercial properties. Provides retrofitted battery systems, stand‑alone batteries, solar inverter…
Serves UK homeowners and businesses seeking solar PV, battery storage, EV charging, inverter replacement, and maintenance services, including commercial buyers needing battery storage or UPS…
Financial Health
StableStable · 0% CAGR over 2y
Location
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Computed from 4 filingsGenerates, trades and markets electricity and energy commodities. Procures, stores and transports natural gas, LNG and coal, and provides services in power generation, renewable energy projects,…
Serves B2B energy-sector customers, including industrial and manufacturing firms, utilities, grid operators, power generators, renewable asset owners, and gas infrastructure operators across…
Financial Health
WeakWeak
Location
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Installs and maintains solar photovoltaic systems for domestic and commercial properties, including solar panels and battery storage. Provides EV charging point installation and general electrical…
Serves homeowners and commercial property owners across Kent and the South East, including households with EVs and businesses seeking workplace charging or renewable energy support.
Financial Health
N/AN/A
Location
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Financial sub-scores
Computed from 3 filingsDesigns and installs residential solar energy systems including photovoltaic panels, solar battery storage, Tesla Powerwall units, EV charging points and hot water storage, and provides maintenance,…
Serves homeowners in Reading and Berkshire, including households seeking residential solar energy systems, battery storage, EV charging and home energy upgrades.
Financial Health
StableStable · Hiring · 41% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsProvides electrical engineering consultancy for energy and industrial projects, including power system studies, HV and LV design, grid connection and compliance assessments, earthing modelling, arc…
Serves B2B clients in the UK energy and industrial sectors, including renewable energy developers, grid and transmission operators, BESS and data centre projects, utilities, manufacturers,…
Financial Health
StrongStrong · Growing, Hiring · 52% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsDevelops and commercialises cleantech projects and technologies. Provides technical and commercial consultancy, project development, engineering and asset management services. Designs proprietary…
Serves B2B cleantech technology companies, project developers and asset owners, particularly wastewater, biosolids, biogas and waste-heat operators.
Financial Health
StrongStrong · Hiring · 24% CAGR over 4y
Location
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Computed from 5 filingsDevelops and delivers low‑carbon and smart energy projects, including community energy schemes, zero‑energy housing initiatives, electric vehicle charging infrastructure, and cleantech business…
Serves Corby-based businesses, property investors, clean-tech companies, residents and community stakeholders involved in low-carbon housing, energy, transport and local economic growth projects.
Financial Health
StableStable · Hiring · 15% CAGR over 5y
Location
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Computed from 5 filingsProvides mechanical, electrical and renewable energy services, including installation and maintenance of plumbing, heating, ventilation and air‑conditioning systems. Designs and installs heat pumps,…
Serves homeowners, commercial property clients and industrial organisations across Scotland, including customers needing project-managed building services and renewable energy support.
Financial Health
StrongStrong · Growing, Hiring · 27% CAGR over 4y
Location
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Financial sub-scores
Computed from 3 filingsDesigns and supplies renewable energy and lighting products including solar photovoltaic systems, off‑grid and hybrid inverters, energy storage batteries, small wind turbines, and low‑voltage…
Serves a mix of B2B, B2C and public-sector customers needing LED lighting and renewable energy systems, including commercial and industrial sites, homeowners, solar project developers, local…
Financial Health
HealthyHealthy · 0% CAGR over 2y
Location
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Computed from 4 filingsProvides project development and engineering services for energy projects, including site and customer identification, project management and stakeholder liaison, operation and maintenance support,…
Serves its parent company in the energy sector, with engagement across project sites, planning authorities, network operators and commercial operations; no broad external customer base is indicated.
Financial Health
StableStable · Hiring · 26% CAGR over 3y
Location
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Provides planning, architecture and environmental consultancy for development projects. Conducts environmental impact assessments, ecological and ornithology surveys, landscape and visual…
Serves renewable energy developers, infrastructure and quarrying operators, tourism and leisure projects, conservation bodies and public sector clients across Ireland, Northern Ireland and the UK.
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Financial sub-scores
Computed from 5 filingsProvides installation and maintenance of solar photovoltaic systems, battery storage, electric vehicle charging points, and LED lighting for residential and commercial properties, along with…
Serves homeowners, businesses and public/community organisations seeking renewable energy upgrades in Liverpool, Merseyside, Cheshire, Wirral and the wider North West, with some national coverage.
Financial Health
StrongStrong · Hiring · 19% CAGR over 4y
Location
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Computed from 5 filingsDesigns and implements industrial process control and automation systems. Develops SCADA and PLC control networks, energy management and monitoring systems for wind farms and industrial facilities,…
Serves B2B industrial organisations, including process and discrete manufacturers, wind farm operators and energy distributors that need production process control, automation and energy management…
Financial Health
HealthyHealthy · -50% CAGR over 4y
Location
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Computed from 3 filingsProvides consultancy services for major energy and infrastructure projects, including project development, management support, investment readiness, governance and assurance, and technical…
Serves B2B clients in energy and infrastructure, including project teams, developers, investors, stakeholders, start-ups and SMEs. Targets organisations delivering major capital, high-risk or complex…
Financial Health
StableStable · -4% CAGR over 2y
Location
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Computed from 5 filingsTrades electricity in European power markets, buying and selling power in real time to balance supply and demand. Also facilitates commodity derivatives trading related to energy markets for…
Serves energy producers, large power consumers and trading counterparties in European power and commodity derivatives markets, including organisations needing real-time electricity trading and market…
Financial Health
HealthyHealthy · 0% CAGR over 4y
Location
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Computed from 3 filingsProduces and supplies agricultural crops including cereals, potatoes, carrots, and parsnips. Operates farming activities using regenerative agriculture practices and manages sustainability…
Financial Health
StableStable
Location
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Computed from 3 filingsProvides electrical, plumbing, heating, solar PV, and ventilation services, including system design, installation, testing and commissioning. Work includes rewiring, consumer unit upgrades, EV charge…
Serves homeowners, domestic property customers, and light commercial, commercial and industrial clients in Cornwall and the South West needing building services contractors.
Financial Health
StableStable · 0% CAGR over 2y
Location
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Computed from 5 filingsSupplies and installs renewable energy and heating systems including air and ground source heat pumps, solar PV panels and battery storage. Also provides domestic plumbing and heating services and…
Serves homeowners and commercial property owners seeking renewable heating, solar energy and plumbing/heating support, with domestic plumbing customers in North Yorkshire and the North East.
Financial Health
StrongStrong · Growing, Hiring · 17% CAGR over 4y
Location
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Computed from 4 filingsProvides mechanical and electrical building services including system design, installation and maintenance. Installs HVAC, fire and security systems, air conditioning, heat pumps and refrigeration,…
Serves construction clients, facilities managers, local authorities and property owners in commercial, education, healthcare, hotel, industrial, residential, student accommodation, sports and leisure…
Financial Health
StrongStrong · Profitable, Growing, Hiring · 12% CAGR over 3y
Location
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Computed from 5 filingsSupplies straw biomass fuel to power stations and provides agricultural contracting services, including crop harvesting and biosolids spreading for water utilities. Supports anaerobic digestion…
Serves farmers, water companies, straw-fired biomass power stations, anaerobic digestion plant operators, and horse owners/equestrian centres, primarily in East Anglia and the south east.
Financial Health
HealthyHealthy · -67% CAGR over 4y
Location
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Computed from 5 filingsProvides electrical contracting services for domestic and commercial properties, including installation and maintenance of power sockets, lighting, computer cabling and electrical safety systems.…
Serves homeowners, property owners and local businesses across Worcester, Droitwich, Malvern and Worcestershire needing domestic or commercial electrical contractors.
Financial Health
WeakWeak · -4% CAGR over 4y
Location
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Computed from 3 filingsInstalls electric vehicle charging points for homes and commercial premises, including smart chargers. Provides consultation, remote surveys, fixed quotes, installation, testing and certification,…
Serves homeowners, landlords, tenants and businesses in Birmingham and the West Midlands, including workplaces and destination sites seeking domestic or commercial EV charging support.
Financial Health
DistressedDistressed · -9% CAGR over 2y
Location
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Computed from 5 filingsProvides pipework fabrication, coded welding, and mechanical installation services for energy and industrial sectors. Supplies turbine technicians, wind industry specialists, and skilled labour for…
Serves B2B industrial clients in Ireland, the UK and Europe, including oil, gas, power, water, pharmaceutical, wind energy and data centre operators requiring specialist engineering project support.
Financial Health
HealthyHealthy · Growing, Hiring · 2% CAGR over 4y
Location
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Computed from 3 filingsProvides domestic and commercial electrical services including installation and maintenance of power sockets, lighting, computer cabling, CCTV and security systems. Also installs solar PV panels, air…
Serves homeowners, landlords and local businesses in Worcester, Droitwich, Malvern and across Worcestershire, covering both domestic and commercial customers.
Financial Health
HealthyHealthy · Hiring · 22% CAGR over 2y
Location
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Computed from 5 filingsProvides mechanical engineering and fabrication services including pipework welding, HVAC and ventilation system installation, and mechanical maintenance for energy, data centre and industrial…
Serves B2B industrial and construction clients across Ireland, the UK and Europe, including data centres and organisations in oil, gas, power, water, pharmaceuticals and wind energy.
Financial Health
StrongStrong · Hiring · 9% CAGR over 4y
Location
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How Akismet usage is detected
Company data
Detected companies are joined to UK Companies House records and XBRL accounts data. 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.
Detection
Firmbase crawls the public website of actively-trading UK companies and fingerprints the technologies present: tracking scripts, embedded forms, chat widgets, CMS markers and similar signatures. A company is included in this list when one or more of the technology's signatures are found on its site; closely-related variants of the same product are grouped under one name. Detection covers what is visible on the public web — a company using the technology purely internally, with no website footprint, will not appear. Counts are therefore a conservative floor, not a ceiling. Renewable energy companies are identified using Firmbase's semantic classification of company activity, built from filings, websites and registered SIC codes rather than SIC codes alone. The detected counts and share figures on this page are computed within that sector cohort, so "share" always means share of Renewable energy companies with a detectable system — not of all UK companies.
Freshness
Websites are re-crawled on a rolling basis and the underlying company data is refreshed from Companies House continuously; filings appear within days of submission. The list and its statistics are regenerated when the detected cohort moves meaningfully. You can see the last-updated timestamp near the top of the page.
Akismet is a trademark of its respective owner. Firmbase is not affiliated with, sponsored by, or endorsed by the trademark owner.
UK Renewable Energy by Security
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Frequently asked questions
How many UK Renewable energy companies use Akismet?
What share of UK Renewable energy companies run Akismet?
How is Akismet usage detected?
What size Renewable energy companies use Akismet in the UK?
What do Akismet-running Renewable energy companies also run?
Can I get contact details for these companies?
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