Renewable Energy Companies Using Site Kit in the UK: 164 Active Firms (2026)
Renewable-energy firms using site analytics generate, move, supply or support low-carbon power across the UK energy market.
For renewable-energy operators, developers and specialist service providers, Site Kit is less a core operating platform than a web-measurement layer for public-facing demand. It helps teams understand which project pages, community updates, policy explainers, recruitment pages and customer journeys are attracting attention, then passes that signal into marketing and stakeholder work. Adoption usually implies a maintained content site, some internal ownership of digital channels, and enough commercial or communications activity to justify measurement. In this sector, that tends to point to SME and mid-market organisations with mixed sales, policy and local-engagement audiences.
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Across the UK, 164 renewable-energy firms are running Site Kit. Reported employment across the cohort totals 1,957 people, with all 115 firms covered for headcount reporting employees. Among analytics tools used by renewable-energy firms, Site Kit ranks second at 10.2% sector share. The regional skew is distributed rather than London-heavy: South West accounts for 15.2% of adopters, followed by South East at 13.4%, London at 12.2%, then Scotland and East of England at 9.1% each. That pattern fits a market shaped by projects, land, grid connections and regional service bases, not only headquarters sales teams.
Ofgem licensing is the main regulatory anchor for this group. Businesses that generate, move or supply energy in Great Britain need the relevant licence and must comply with standard conditions, plus any special conditions attached to that licence. The Renewables Obligation also remains operational for accredited stations even though it is closed to new generating capacity, with audit and compliance checks linked to generation evidence for certificates. For companies running Site Kit, web analytics therefore sits beside regulated communications: enquiry capture, project updates and customer messaging need to be managed with the same care as consent notices, audit trails and public claims.
Adoption appears likely to follow the shape of renewable-energy sales rather than a pure software cycle. Smaller developers and service providers tend to favour measurement tools that can be managed by lean marketing or operations teams, especially when the website is used for planning updates, local consultation and inbound enquiries. Larger operators may consolidate web analytics inside wider governance, procurement and reporting stacks, which could reduce visible standalone usage over time. The more durable pattern is probably selective use: companies with active project pipelines and public engagement needs keep measuring the site, while asset-holding businesses with quieter channels may treat it as low-priority infrastructure.
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 Site Kit rises with company size across the trading UK Renewable energy companies in this cohort. 4.4% of the 2,672 companies with under 10 employees run Site Kit (118 detected). 4.7% of the 824 companies with 10–50 employees run Site Kit (39 detected). 8.1% of the 74 companies with over 50 employees run Site Kit (6 detected). That is a 3.7% gap between the over 50 employees and under 10 employees bands.
164
Active firms
2026
10.2%
Of detected Analytics share
UK Renewable energy
6
Median headcount
Filed accounts
381
Verified directors
Across this cohort
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Key facts
About 6% of the trading cohort reports turnover above £5M (11 of 164 firms) — the rest sits below that revenue band.
10% of the cohort was incorporated since 2022 (17 firms), so a sizeable share is in its first few filing cycles.
Among renewable-energy firms with a detectable analytics system, the tracked analytics system accounts for 10.2% (164) of 1,602 companies; the largest detected analytics tool accounts for 90.3% (1,446).
Registered offices in the cohort skew towards the South West at 15.2% (25), followed by the South East at 13.4% (22) and London at 12.2% (20).
The web stack is closely tied to content-managed sites: 100.0% (164) also run a CMS layer, 89.6% (147) also run another analytics tag and 53.7% (88) use an SEO plugin.
Renewable-energy businesses that generate, move or supply energy in Great Britain sit within Ofgem’s licensing framework 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 output of 144.7 TWh.
WordPress plugins market share among UK Renewable Energy
Share of the 1,602 UK Renewable Energy with a detectable system. As of June 2026.
What else do Site Kit-running Renewable Energy run?
Share of the 164 Site Kit-running UK companies where each technology was also detected. As of June 2026.
Where Site Kit 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
£676.7K
Median UK turnover
6.7%
Above £5M turnover
17
Incorporated since 2022
Verified directors — included in the file
Director names and roles for these 307 companies, alongside financials and websites, in one CSV file.
Top UK Renewable Energy using Site Kit
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 4 filingsDevelops, constructs and operates renewable energy projects, including onshore wind farms, ground-mounted solar farms, battery energy storage systems and Power‑to‑X facilities producing green…
Targets UK landowners and renewable-energy project partners, including agricultural landowners considering long-term land leases or sales for solar, wind, battery and Power-to-X sites.
Financial Health
StrongStrong · Hiring · 57% CAGR over 4y
Location
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Financial sub-scores
Computed from 2 filingsDevelops large-scale solar photovoltaic farms and battery energy storage projects. Activities include site identification, project planning, securing planning approvals, managing development, and…
Targets landowners, grid stakeholders and renewable-energy partners involved in large-scale solar farm and battery storage projects, with markets highlighted in the UK, Australia, US and Germany.
Financial Health
StableStable
Location
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Financial sub-scores
Computed from 5 filingsDevelops, finances, builds and operates renewable energy projects as part of an independent power producer business, managing assets across the renewable power value chain including project…
Financial Health
StrongStrong · Hiring · 32% CAGR over 4y
Location
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Computed from 5 filingsProvides asset management and development services for renewable energy projects, including biomass, wind, solar and anaerobic digestion plants. Services include operational and financial management,…
Serves renewable energy asset owners and investors, including UK investment funds, large portfolio holders and small operators of biomass, wind, solar and anaerobic digestion assets.
Financial Health
StableStable · -63% CAGR over 4y
Location
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Computed from 2 filingsDevelops and operates battery energy storage systems using second-life electric vehicle batteries for commercial, industrial and grid-scale applications; provides storage products, project…
Serves B2B customers: commercial and industrial organisations in the UK and Europe, EV battery owners and automotive brands, and partners involved in grid-scale energy storage developments.
Financial Health
StrongStrong · Hiring · 32% CAGR over 1y
Location
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Computed from 5 filingsProvides high‑voltage power engineering and grid connection services for renewable energy and power generation projects, including feasibility studies, network design, substation and switchgear…
Serves renewable energy developers, power generators and backup power providers, mainly in the UK and Ireland, including developers of solar farms, wind projects, battery storage sites and private…
Financial Health
StableStable · Hiring · 10% CAGR over 4y
Location
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Develops, owns and operates an onshore wind farm, generating electricity from wind turbines and managing associated infrastructure, planning applications, environmental assessments, and operational…
Location
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Financial sub-scores
Computed from 5 filingsDevelops, owns and operates a utility‑scale solar farm that generates renewable electricity and sells power through power purchase agreements, while overseeing asset management and commercial…
Serves corporate and institutional energy offtakers, including airports, utilities and government-backed low-carbon contract bodies, seeking electricity from large-scale UK solar assets.
Financial Health
WeakWeak
Location
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Computed from 5 filingsDesigns, installs and maintains commercial solar photovoltaic systems and battery storage for businesses and public sector buildings. Provides energy audits, system design, roof and ground‑mounted…
Serves commercial and industrial organisations across the UK, including manufacturers, warehouses, logistics operators, farms, healthcare sites, leisure and retail venues, schools, new builds and…
Financial Health
StrongStrong · Growing, Hiring · 100% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsDesigns, installs and maintains solar photovoltaic systems and inverters for commercial, industrial and agricultural sites. Provides planning and development support, system remediation and…
Sells primarily to UK businesses, including commercial and industrial organisations, manufacturers, food and food-processing companies, plus agricultural customers. Also serves some private dwellings…
Financial Health
StrongStrong · Growing, Hiring · 11% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides asset management services for renewable energy projects, particularly wind farms. Services include corporate administration, financial management, technical operations oversight, site…
Serves B2B clients in renewable energy infrastructure, including investors, asset owners, operators, energy companies, financial institutions, lenders and project companies.
Financial Health
StrongStrong · Hiring · 6% CAGR over 4y
Location
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Computed from 5 filingsProvides renewable energy resource monitoring services, including installation and maintenance of meteorological masts, SODAR and LiDAR systems. Supplies solar and wind measurement equipment, data…
Serves B2B renewable energy customers, including wind and solar project developers, asset owners, operators and engineering consultants needing resource measurement data for onshore and offshore…
Financial Health
StrongStrong · Growing, Hiring · 19% CAGR over 4y
Location
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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 filingsDistributes renewable energy equipment to trade installers, including solar panels, inverters, battery storage systems, EV chargers, mounting systems, DC cables, and air source heat pumps. Supplies…
Serves UK trade installers and renewable energy contractors working on solar PV, battery storage, EV charging and heat pump projects, from small orders to larger installation jobs.
Financial Health
StrongStrong · Profitable, Growing, Hiring · 63% CAGR over 2y
Location
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Financial sub-scores
Computed from 4 filingsDesigns, supplies, installs, and maintains solar photovoltaic systems, battery storage, and electric vehicle charging equipment for residential and commercial properties. Also provides solar…
Serves homeowners and businesses across the UK, including domestic customers, commercial property owners and organisations seeking solar, battery storage or EV charging solutions.
Financial Health
StrongStrong · Growing, Hiring · 54% CAGR over 3y
Location
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Financial sub-scores
Computed from 5 filingsDesigns and installs solar photovoltaic systems for residential, commercial and social housing projects. Provides integrated roof solar installations, battery storage including Tesla Powerwall…
Serves UK homeowners, SMEs, larger enterprises, housebuilders, social housing providers and local authorities seeking solar energy, battery storage and EV charging installations, including complex…
Financial Health
StableStable
Location
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Computed from 5 filingsDevelops geothermal energy projects including power plants and heat networks, and projects to extract lithium from geothermal brines. Carries out drilling, resource development and infrastructure for…
Targets clean energy investors, infrastructure funders, and industrial buyers in the energy and lithium supply chains, with emphasis on UK geothermal power, heat, and low-carbon lithium projects.
Financial Health
StableStable · -58% CAGR over 4y
Location
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Computed from 5 filingsDevelops aerodynamic technologies and services to improve wind turbine blade performance, including upgrade packs, blade optimisation analysis, leading edge protection, noise suppression devices,…
Sells to B2B customers in the wind energy sector, including onshore and offshore wind farm owners, operators and turbine asset managers responsible for blade performance and energy production.
Financial Health
WeakWeak · -56% CAGR over 4y
Location
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Computed from 2 filingsDevelops and invests in large-scale renewable energy generation and electricity transmission projects, including solar and wind developments and subsea interconnectors designed to deliver power…
Serves governments, national energy systems and utility-scale power buyers, with relevance to energy-intensive sectors such as AI infrastructure and electric vehicles.
Financial Health
StrongStrong
Location
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Computed from 2 filingsDesigns and installs commercial and industrial renewable energy systems, including solar photovoltaic (PV) arrays, EV charging infrastructure and battery energy storage. Provides electrical works,…
Sells to commercial and industrial organisations needing renewable energy systems, including petrol stations, garden centres, warehouses, farms and other commercial building operators across the UK.
Financial Health
HealthyHealthy · Growing · 0% CAGR over 1y
Location
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Computed from 5 filingsDesigns and installs electricity distribution infrastructure as an independent connections provider, including substations, high- and low-voltage cable networks, EV charging connections, battery…
Serves B2B clients including property developers, main contractors, DNO/IDNO project teams, and operators of renewable energy, battery storage and EV charging sites.
Financial Health
HealthyHealthy · -55% CAGR over 4y
Location
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Provides consultancy services for renewable energy and energy infrastructure projects, including onshore and offshore wind, solar and battery storage. Advises on site identification, feasibility,…
Serves B2B clients developing and financing large-scale renewable energy and infrastructure projects, including onshore and offshore wind, solar, battery storage, pumped storage hydro, grid and data…
Financial Health
N/AN/A
Location
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Computed from 5 filingsProvides consultancy and project development services for renewable energy, energy storage and energy efficiency. Conducts life cycle assessments, environmental product declarations and carbon…
Serves businesses, local authorities, renewable energy developers and product manufacturers needing net zero, grid, energy efficiency, LCA, EPD or CBAM support.
Financial Health
WeakWeak · -60% CAGR over 4y
Location
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Computed from 3 filingsProvides engineering consultancy, feasibility studies, system design and installation for renewable energy projects including hydropower, wind turbines, solar PV, heat pumps and battery storage.…
Serves UK landowners, businesses, community energy groups and owners of high-demand rural properties, including farms, estates, commercial sites and domestic or commercial building owners.
Financial Health
WeakWeak · 0% CAGR over 2y
Location
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Computed from 4 filingsDesigns and installs commercial renewable energy systems including solar panel arrays, battery storage and electric vehicle charging infrastructure. Provides consultation, system integration and…
Serves UK businesses and company owners of varying sizes seeking commercial renewable energy, battery storage and EV charging options, including organisations looking for finance-based energy…
Financial Health
HealthyHealthy · -71% CAGR over 3y
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Computed from 5 filingsProvides design and installation of solar photovoltaic systems for residential, commercial and public sector properties, including battery storage, inverter replacements, heat pumps and electric…
Serves homeowners, commercial property owners, home builders, architects, councils, housing associations and social housing providers across Yorkshire, Derbyshire and the Midlands.
Financial Health
HealthyHealthy · -41% CAGR over 5y
Location
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Computed from 4 filingsInstalls renewable energy and heating systems for homes and businesses, including solar PV panels, solar battery storage, air and ground source heat pumps, EV charging points, insulation,…
Serves UK homeowners and businesses looking to reduce energy bills and carbon emissions through renewable energy, heating, insulation and EV charging upgrades.
Financial Health
StrongStrong · Hiring · 26% CAGR over 3y
Location
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Computed from 5 filingsProvides demand‑response energy management systems for homes and businesses. Installs smart thermostats and gateway devices on electric heating and cooling appliances, connecting them to a network…
Serves homeowners, landlords, public institutions and companies with residential or commercial properties using electric heating or cooling, including customers seeking lower energy costs and…
Financial Health
HealthyHealthy · 0% CAGR over 3y
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Computed from 3 filingsProvides domestic energy supply plans through its Ebico Living brand and promotes low‑carbon home heating and energy efficiency. Supports development of affordable warmth technologies through…
Serves domestic energy customers and British households seeking affordable low-carbon home warmth, with particular focus on low-income households.
Financial Health
HealthyHealthy
Location
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Provides financing and development support for renewable energy and energy‑from‑waste projects, particularly anaerobic digestion. Offers asset finance, lease purchase, hire purchase, refinancing, and…
Serves B2B developers and operators of climate-change reduction projects, especially anaerobic digestion and energy-from-waste schemes, with customers in renewables, agriculture and food industry…
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Provides offshore marine support services for renewable energy and maritime projects, including crew transfer, environmental and geotechnical surveys, ROV inspections, barge management, and vessel…
Serves B2B customers in offshore renewables and marine industries, especially offshore wind farm developers, operators and contractors needing vessel support for surveys, maintenance, crew transfer,…
Financial Health
N/AN/A
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Computed from 2 filingsProvides design, installation, testing and maintenance of renewable energy systems including solar PV panels, battery storage, EV charging points and LED lighting, and offers energy reporting and…
Serves homeowners and commercial organisations, mainly across the North West and wider UK, seeking renewable energy, EV charging, LED lighting and energy reporting solutions.
Financial Health
StrongStrong · Hiring · 25% CAGR over 1y
Location
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Computed from 2 filingsInstalls and maintains solar photovoltaic systems for residential and commercial properties. Provides battery storage installation, EV charger installation, solar PV maintenance, operations and…
Serves homeowners and commercial organisations in Bournemouth, Poole and Dorset, including new-build and renovation projects, car dealerships, schools, factories, warehouses and farms.
Financial Health
HealthyHealthy · Hiring · 17% CAGR over 1y
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Computed from 5 filingsSupplies and installs solar photovoltaic systems for residential developments, working with housebuilders to equip new-build homes with solar energy technology. Also provides homeowners with support,…
Serves residential property developers building new homes across the UK, with support also directed at homeowners who have questions about their solar panels, warranties or maintenance.
Financial Health
StableStable · -62% CAGR over 4y
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Computed from 3 filingsDesigns, supplies and installs solar photovoltaic (PV) systems and battery storage for residential and commercial properties. Also installs EV charging points and provides inspection, repair,…
Serves homeowners and organisations seeking clean energy solutions, including commercial businesses, schools, hospitals, factories and other sites across the North East of England and beyond.
Financial Health
HealthyHealthy · 0% CAGR over 2y
Location
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Computed from 4 filingsProvides design, installation and management of renewable energy and efficiency systems including solar PV panels, battery storage, EV charging points, LED lighting, air source heat pumps, and energy…
Serves UK homeowners and businesses seeking renewable energy and energy management solutions, including commercial sites needing solar, EV charging, LED lighting, HVAC, monitoring and compliance…
Financial Health
StrongStrong · Growing, Hiring · 23% CAGR over 3y
Location
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Computed from 5 filingsInstalls and maintains solar energy systems, battery storage and electrical installations for residential, commercial and industrial properties. Provides electrical contracting, renewable energy…
Serves homeowners, commercial businesses and industrial clients seeking renewable and electrical project support, with stated coverage across South Wales, the West and nationwide.
Financial Health
StrongStrong
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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
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Computed from 5 filingsDesigns and manufactures steel mounting and racking systems for ground‑mounted solar PV installations. Supplies structural steel foundations and support structures for residential, commercial and…
Serves solar energy developers, EPC contractors and installers working on utility-scale solar farms, plus commercial and residential ground-mounted PV projects, with a focus on large UK and global…
Financial Health
StrongStrong · Hiring · 72% CAGR over 5y
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Computed from 5 filingsDevelops and supplies mounting systems for photovoltaic installations, including roof, façade, ground‑mounted and carport structures. Provides rails, clamps, accessories, and digital planning and…
Serves solar PV installers, distributors and project planners working on commercial, industrial, residential, facade, ground-mounted and carport projects, with support for private customers through…
Financial Health
StrongStrong · Growing, Hiring · 19% CAGR over 4y
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Computed from 4 filingsProvides operations and maintenance services for power generation and industrial facilities, including conventional and renewable plants. Offers engineering consulting, regulatory and grid compliance…
Serves B2B energy and industrial asset owners, utilities, developers and operators of conventional power plants, renewable energy facilities, energy storage, transmission assets and complex…
Financial Health
StrongStrong · Profitable, Hiring · 24% CAGR over 3y
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Computed from 3 filingsInstalls energy‑efficiency upgrades for residential, social housing and commercial buildings, including wall, loft and underfloor insulation, boiler and central heating systems, solar PV, air source…
Serves homeowners, landlords, social housing providers, public sector retrofit programmes and commercial property owners around Blackburn and surrounding areas.
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StrongStrong · Growing, Hiring · 73% CAGR over 2y
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Computed from 5 filingsInstalls solar photovoltaic panel systems and battery energy storage for residential properties, including system design, supply and installation of solar arrays, inverters and home batteries to…
Serves residential homeowners seeking to reduce household energy bills and manage their own power use, including customers interested in solar panels and battery storage.
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StrongStrong · Growing, Hiring · 19% CAGR over 4y
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Computed from 5 filingsProvides electrical and renewable energy services including solar panel and battery storage system design and installation for residential, commercial and industrial properties, handling…
Serves homeowners, businesses and industrial clients across Northamptonshire, Bedfordshire, Buckinghamshire and Cambridgeshire, including towns such as Kettering, Bedford, Milton Keynes and Daventry.
Financial Health
StrongStrong
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Computed from 2 filingsProvides building services for public sector and social housing, including gas appliance servicing, maintenance and installation, renewable energy installations, decarbonisation projects, and 24/7…
Serves public sector organisations, local authorities and social housing providers across the UK, particularly teams responsible for housing stock, public spaces, compliance, repairs and…
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StrongStrong
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Computed from 5 filingsOperates the Mean Moor wind farm, consisting of three Enercon wind turbines generating renewable electricity. Part of a community energy project associated with High Winds Community Energy Society,…
Targets individual members and community investors interested in co-operative renewable energy ownership, with local communities in south Cumbria engaged
Financial Health
HealthyHealthy · -16% CAGR over 4y
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Computed from 5 filingsDesigns and installs renewable energy and climate control systems, including air source heat pumps, solar photovoltaic panels, battery storage systems, and air conditioning for residential…
Serves homeowners, small businesses, builders and contractors needing renewable energy systems across North Somerset, the South West and South Wales, including new-build projects, offices and…
Financial Health
StrongStrong · Hiring · 11% CAGR over 4y
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Computed from 5 filingsProcesses green and food waste through in‑vessel and windrow composting and anaerobic digestion. Produces compost, liquid digestate and biofertilisers, and generates renewable electricity and heat…
Serves organisations in Shropshire that generate green or food waste, alongside gardeners, landscapers and agricultural users seeking compost, soil improvers or biofertilisers.
Financial Health
StableStable · -59% CAGR over 4y
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Computed from 4 filingsProvides heating and energy efficiency services for residential properties, including installation of boilers, first-time central heating, air source heat pumps and solar panels, plus loft, wall and…
Serves UK homeowners and property owners seeking grant-funded or private energy-efficiency improvements, especially households eligible for ECO4 or GBIS support; also works with organisations needing…
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HealthyHealthy · Hiring · 71% CAGR over 3y
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Develops and supplies hydrogen fuel cell systems, electrolyzers and related infrastructure for producing, liquefying, storing and distributing hydrogen. Provides stationary power systems and fuel…
Serves industrial businesses, warehouses and distribution centres, utilities, telecoms, rail operators and government/public-sector organisations adopting hydrogen and fuel cell energy systems.
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257 more companies and their verified directors are in the file
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How Site Kit 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.
Site Kit is a trademark of its respective owner. Firmbase is not affiliated with, sponsored by, or endorsed by the trademark owner.
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Frequently asked questions
How many UK Renewable energy companies use Site Kit?
What share of UK Renewable energy companies run Site Kit?
How is Site Kit usage detected?
What size Renewable energy companies use Site Kit in the UK?
What do Site Kit-running Renewable energy companies also run?
Can I get contact details for these companies?
Buy all 307 companies as a spreadsheet.
One Excel/CSV file with company details, websites and key data — yours to download and use.