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PV Installation Companies Using WordPress in the UK: 1,029 Active Firms (2026)
PV installation firms running block-based CMS websites design, install and maintain solar electricity systems for UK homes and businesses.
For PV installers, running this CMS is usually a practical sales and operations choice rather than a publishing experiment. It lets marketing and office teams update service pages, explain regional coverage, publish project evidence and route quote enquiries without waiting for a developer for every small change. Adoption tends to signal some direct-channel maturity: these contractors are selling to homeowners, commercial property owners and public-sector buyers, and need pages that support trust, qualification and local search. The fit is less about enterprise software budgets than about repeatable demand generation, with the website sitting between field delivery, sales admin and installer credibility.
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UK adoption is concentrated in a practical slice of the PV installation market. Around 1,029 active firms are in this cohort, and the CMS accounts for 74.2% of detected CMS usage across a 1,386-company sector denominator. Employment reporting covers 121 firms, with total reported headcount of 2,251 employees. The registered-region skew is tilted outside London, with the South West at 13.6%, the South East at 11.4%, the East of England at 11.3%, the North West at 10.8% and London at 9.2%.
Residential quote capture, commercial lead qualification and public-sector tender pages make the website part of the compliance perimeter, even where the installation work is regulated elsewhere. Consent wording, cookie controls, enquiry-form retention and evidence claims matter because installers use these sites to collect contact details and present savings, accreditation and project credentials. Procurement is also fragmented: many firms appear to rely on agency-built templates, forms, analytics and hosting services rather than internally maintained platforms. That keeps entry costs low, but it can leave governance split between the installer, a web supplier and sales staff updating pages.
Adoption appears likely to remain tied to installer marketing discipline rather than deep technical preference. Firms with repeatable local acquisition needs tend to keep familiar CMS tooling because office teams, agencies and freelance developers already know how to update pages and forms. Migration pressure may come from site speed, consent management, security maintenance and the bundling of booking, finance or customer-relationship features into other platforms. Smaller contractors are likely to favour inexpensive retained support, while larger regional operators may standardise content, enquiry routing and reporting as sales operations become more formal.
Adoption by company size
Adoption of WordPress rises with company size across the trading UK PV installation companies in this cohort. 59.3% of the 1,213 companies with under 10 employees run WordPress (719 detected). 64.4% of the 410 companies with 10–50 employees run WordPress (264 detected). 86.7% of the 30 companies with over 50 employees run WordPress (26 detected). That is a 27.400000000000006% gap between the over 50 employees and under 10 employees bands.
1,029
Active firms
2026
74.2%
Of detected CMS share
UK PV installation
6
Median headcount
Filed accounts
2,051
Verified contacts
Across this cohort
Key facts
About 5% of the trading cohort reports turnover above £5M (57 of 1,029 firms) — the rest sits below that revenue band.
11% of the cohort was incorporated since 2022 (119 firms), so a sizeable share is in its first few filing cycles.
Among PV installation firms with a detectable CMS, the system used here accounts for 74.2% (1,029) of 1,386 companies, against 12.3% (170) for the next-largest system.
Registered offices cluster in the South West at 13.6% (140), South East at 11.4% (117), and East of England at 11.3% (116).
Sector tags are mostly Renewable Energy, at 86.5% (890), and Field Services & Trades, at 82.8% (852), with tags overlapping across companies.
The most common co-detected web tools are analytics at 50.5% (520), search optimisation at 49.3% (507), and challenge-response checks at 39.7% (408).
CMS market share among UK PV Installation
Share of the 1,386 UK PV Installation with a detectable system. As of June 2026.
What else do WordPress-running PV Installation run?
Share of the 1,029 WordPress-running UK companies where each technology was also detected. As of June 2026.
Where WordPress PV Installation 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
£604.5k
Median UK turnover
5.5%
Above £5M turnover
119
Incorporated since 2022
2,051 verified decision-maker contacts
across these 1,029 companies, with emails available in Firmbase. Filter by role, seniority and stack.
Top UK PV Installation using WordPress
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 5 filingsSupplies, installs and maintains renewable energy systems, including commercial solar photovoltaic installations and battery storage. Provides EPC services, system servicing and performance…
Serves businesses seeking renewable energy systems, as well as developers and funders requiring EPC support; also addresses homes for battery storage needs.
Financial Health
StrongStrong · -43% CAGR over 3y
Location
Financial sub-scores
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
Financial sub-scores
Computed from 4 filingsDesigns, installs and manages commercial solar photovoltaic energy systems. Provides consultation, system design, planning, installation, testing, commissioning and monitoring services enabling…
Serves UK businesses and public sector organisations with on-site energy needs, including distribution, farming and agriculture, industrial and manufacturing, food and drink, print and publishing,…
Financial Health
StrongStrong · Growing, Hiring · 20% CAGR over 3y
Location
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
Financial sub-scores
Computed from 3 filingsDesigns and installs commercial solar photovoltaic systems, including rooftop, ground‑mounted and carport arrays. Provides energy profiling, system design, project management, commissioning,…
Serves UK businesses, developers and public sector organisations, particularly in construction, manufacturing, healthcare, agriculture, education and local government, seeking commercial-scale…
Financial Health
HealthyHealthy · Hiring · 20% CAGR over 2y
Location
Financial sub-scores
Computed from 5 filingsDesigns, supplies and installs solar photovoltaic systems, battery energy storage and electric vehicle charging infrastructure for homes, businesses and public sector organisations. Also provides…
Serves UK homeowners, businesses, schools, universities, councils and other public-sector bodies, including offices, factories, warehouses, farms, community energy groups and new-build developers.
Financial Health
WeakWeak · -33% CAGR over 4y
Location
Financial sub-scores
Computed from 5 filingsInstalls renewable energy and energy efficiency systems including solar PV panels, battery storage, electric vehicle charge points, air source heat pumps and insulation for residential, commercial…
Serves homeowners, low-income and fuel-poor households eligible for ECO4 grants, plus businesses, schools, community buildings, hospitals and other commercial or industrial sites across Wales and the…
Financial Health
StrongStrong
Location
Financial sub-scores
Computed from 5 filingsDesigns and implements on-site renewable energy systems for commercial and industrial clients, including solar PV roof, ground and parking canopy installations, microgrids and energy storage.…
Serves public and private sector organisations, developers, main contractors and consultants across the UK seeking large-scale onsite renewable energy projects, especially businesses with suitable…
Financial Health
StrongStrong
Location
Financial sub-scores
Computed from 3 filingsDesigns and installs commercial renewable energy systems including solar PV arrays, ground‑mounted systems, battery storage, EV charging infrastructure and LED lighting. Provides engineering,…
Serves UK businesses and organisations across commercial sectors, including factories, warehouses, farms, medical facilities, manufacturers, engineering and construction firms, and hospitals.
Financial Health
StrongStrong · Hiring · 164% CAGR over 2y
Location
Financial sub-scores
Computed from 3 filingsDesigns, installs and maintains renewable energy systems for buildings, including heat pumps, solar thermal and solar photovoltaic installations. Provides energy system design consultancy, building…
Sells to public and private sector organisations in the built environment and construction sectors, as well as end users needing renewable and decarbonisation projects. Serves homes and businesses,…
Financial Health
StrongStrong · Growing, Hiring · 123% CAGR over 2y
Location
Financial sub-scores
Computed from 3 filingsDesigns, supplies and installs commercial solar photovoltaic systems and related energy infrastructure, including battery storage, EV charging and electrical upgrades. Provides consultancy,…
Serves UK commercial, industrial and public-sector organisations, including schools, universities, healthcare sites, offices, retailers, car dealerships, data centres, manufacturers, farms, logistics…
Financial Health
HealthyHealthy · -89% CAGR over 2y
Location
Financial sub-scores
Computed from 3 filingsDesigns and installs commercial renewable energy systems including rooftop, ground‑mounted and carport solar PV, battery storage and LED lighting. Provides feasibility studies, project development,…
Serves businesses and public-sector organisations, including manufacturing, leisure, commercial real estate, education providers, councils and retailers seeking to reduce energy costs and carbon…
Financial Health
StrongStrong · Growing, Hiring · 34% CAGR over 2y
Location
Financial sub-scores
Computed from 5 filingsDesigns, supplies and installs solar photovoltaic systems, including rooftop and ground‑mounted panels, for commercial and other sectors. Also provides battery storage, LED lighting and infrared…
Serves UK businesses, agricultural sites, public-sector organisations and some domestic customers, with emphasis on commercial buyers in manufacturing, warehousing, hospitality, hospitals/medical…
Financial Health
StrongStrong · Growing, Hiring · 26% CAGR over 4y
Location
Financial sub-scores
Computed from 3 filingsInstalls renewable and energy‑efficiency systems for residential, commercial and housing association properties, including solar PV and battery storage, air source heat pumps, boilers, EV charging…
Serves homeowners, tenants, landlords, businesses and housing associations across Wales and England, including hospitality operators and affordable housing providers managing residential stock.
Financial Health
StrongStrong · Profitable
Location
Financial sub-scores
Computed from 3 filingsDesigns, installs and maintains renewable energy systems including solar panels, battery storage, solar carports and EV charging infrastructure. Provides solar energy solutions for commercial and…
Serves commercial organisations across sectors, including UK brands, manufacturers and schools, as well as homeowners and new-build property customers seeking residential renewable energy systems.
Financial Health
StrongStrong · Growing, Hiring · 20% CAGR over 2y
Location
Financial sub-scores
Computed from 2 filingsDesigns, installs and manages commercial solar photovoltaic systems, including rooftop, ground-mounted and carport installations. Provides EPC contracting, battery storage integration, operations and…
Serves UK commercial businesses, agricultural operators and landowners with sites suitable for rooftop, carport or ground-mounted solar projects.
Financial Health
StrongStrong · Growing · 0% CAGR over 2y
Location
Financial sub-scores
Computed from 5 filingsDesigns and installs solar photovoltaic (PV) systems for residential, commercial and community properties. Provides battery energy storage, EV charging points, solar carports and ground‑mounted…
Serves homeowners, businesses and community projects across the UK, including manufacturers, public sector bodies, wholesalers and distributors, universities, schools, office buildings, residential…
Financial Health
StrongStrong · Hiring · 22% CAGR over 4y
Location
Financial sub-scores
Computed from 3 filingsDevelops and finances commercial solar energy projects for businesses, installing rooftop and ground-mounted photovoltaic systems and solar carports. Offers funded models such as power purchase…
Serves commercial and industrial businesses with high electricity use and available roof or ground space, including agriculture, chemicals, data centres, education, food and drink, manufacturing,…
Financial Health
HealthyHealthy · -58% CAGR over 2y
Location
Financial sub-scores
Computed from 5 filingsDevelops and delivers clean energy projects including solar photovoltaic systems, battery energy storage, and decarbonisation infrastructure. Provides feasibility studies, system design,…
Serves commercial, industrial and public-sector organisations seeking solar PV, battery storage and decarbonisation infrastructure for facilities and operations.
Financial Health
StrongStrong · Growing, Hiring · 11% CAGR over 4y
Location
Financial sub-scores
Computed from 5 filingsDesigns, supplies, installs and maintains renewable energy systems for commercial and public sector buildings, including solar PV, battery storage, electric vehicle charging and heat pumps, with…
Serves non-domestic organisations across the UK, including farms, schools, healthcare sites, public sector estates, social housing providers, manufacturers, logistics operators, retailers, developers…
Financial Health
StrongStrong · Growing, Hiring · 72% CAGR over 4y
Location
Financial sub-scores
Computed from 5 filingsSupplies and installs renewable energy and energy efficiency systems, including solar PV panels, battery storage, air source heat pumps, air conditioning, EV charging points and LED lighting, for…
Serves homeowners, businesses, farms and public sector organisations looking to reduce energy costs and adopt renewable energy, with specific pages for residential, commercial and public sector…
Financial Health
StrongStrong · Growing, Hiring · 71% CAGR over 4y
Location
Financial sub-scores
Computed from 5 filingsProvides installation and maintenance of renewable energy systems including solar panels, battery storage, electric vehicle charging points, and air and ground source heat pumps for residential,…
Sells to both businesses and homeowners across the UK. Serves commercial buyers in sectors including education, manufacturing, agriculture, hospitality, healthcare, retail, property development and…
Financial Health
StrongStrong · Growing, Hiring · 16% CAGR over 4y
Location
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
Financial sub-scores
Computed from 2 filingsDesigns and installs renewable energy and low‑carbon heating systems for residential, commercial and industrial properties, including solar PV, heat pumps, battery storage, underfloor heating, heat…
Serves homeowners, residential developers and owners of existing and new-build homes, plus commercial and industrial businesses ranging from small properties to large-scale industrial processes.
Financial Health
StrongStrong
Location
Financial sub-scores
Computed from 5 filingsProvides commercial energy solutions including solar panel system design and installation, solar maintenance, LED lighting upgrades, EV charging infrastructure, and far infrared heating systems. Also…
Serves commercial and public-sector property owners and operators, including agriculture, car dealerships, education, hospitals, food and drink production, manufacturing, and warehouse/distribution…
Financial Health
HealthyHealthy · -57% CAGR over 4y
Location
Financial sub-scores
Computed from 5 filingsProvides electrical engineering and contracting services including electrical design, installation and testing, EV charging infrastructure, solar PV and battery storage systems, and energy management…
Serves B2B and public-sector clients in commercial, industrial and residential construction, including developers, contractors, fleet operators, retailers and public-building owners across the UK.
Financial Health
HealthyHealthy · -67% CAGR over 4y
Location
Financial sub-scores
Computed from 5 filingsSupplies and installs solar energy systems for residential and commercial properties, including solar panels, inverters, battery storage and EV charging units. Provides system design, equipment…
Serves B2C and B2B customers: homeowners, domestic property owners, and commercial sites such as factories and offices across the UK.
Financial Health
StrongStrong · Growing, Hiring · 81% CAGR over 4y
Location
Financial sub-scores
Computed from 5 filingsDesigns and installs commercial solar photovoltaic (PV) systems, including rooftop and ground-mounted arrays and battery storage. Provides system integration, repairs, maintenance, and support for…
Serves businesses and commercial property operators seeking solar PV, battery storage, and maintenance for rooftops, ground-mounted sites, and other premises.
Financial Health
StrongStrong · Growing, Hiring · 30% CAGR over 4y
Location
Financial sub-scores
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
Location
Financial sub-scores
Computed from 5 filingsDesigns, supplies and installs renewable energy systems including solar PV panels, battery storage, air and ground source heat pumps, and EV charging points. Provides servicing, mechanical and…
Serves homeowners, landlords, commercial organisations, farms, leisure businesses, public sector bodies and social housing providers across Wales and England.
Financial Health
StrongStrong · Growing, Hiring · 12% CAGR over 4y
Location
Financial sub-scores
Computed from 5 filingsDesigns and installs renewable energy systems for commercial and public sector sites, including solar PV, battery storage, heat pumps and small-scale wind. Provides feasibility, system design,…
Serves UK businesses and public-sector organisations, especially manufacturing and industrial sites, healthcare, education, agriculture, commercial property, and leisure and tourism operators.
Financial Health
StrongStrong · Growing, Hiring · 26% CAGR over 4y
Location
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
Financial sub-scores
Computed from 5 filingsDesigns and delivers solar photovoltaic (PV) energy systems for commercial buildings. Provides project development, installation, and retrofit of renewable energy solutions for sectors including…
Serves commercial-sector organisations seeking renewable energy projects, especially large-scale clients in manufacturing, warehousing, retail and education building sectors.
Financial Health
HealthyHealthy · Hiring · 18% CAGR over 4y
Location
Financial sub-scores
Computed from 3 filingsInstalls renewable energy systems including solar PV panels, battery storage, air source heat pumps and electric vehicle charging points for domestic and commercial properties, and provides system…
Serves domestic and commercial customers nationwide, including homeowners, residential property owners, businesses and organisations looking to adopt cleaner energy and meet net zero goals.
Financial Health
StrongStrong · Hiring · 140% CAGR over 3y
Location
Financial sub-scores
Computed from 5 filingsDesigns and installs renewable energy systems for homes and businesses, including solar photovoltaic (PV) panels, battery storage systems, EV charging points and heat pumps. Also provides solar PV…
Serves homeowners and commercial organisations, including manufacturers, wholesalers, retailers, sports and leisure operators, education providers, factories, warehouses, and new-build housing…
Financial Health
StrongStrong · Growing, Hiring · 11% CAGR over 4y
Location
Financial sub-scores
Computed from 5 filingsDesigns and installs renewable energy systems for residential, commercial and new-build properties, including solar photovoltaic panels, battery storage systems and electric vehicle charging points.…
Targets housebuilders and new-build developers, commercial businesses across varied sectors, national enterprises, and homeowners looking to reduce energy costs and carbon emissions through renewable…
Financial Health
StrongStrong · Growing, Hiring · 55% CAGR over 4y
Location
Financial sub-scores
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
Financial sub-scores
Computed from 5 filingsProvides design, installation and maintenance of solar power systems for residential and commercial properties, including solar panels, battery storage and energy-saving analysis, and assists…
Serves businesses, public-sector sites such as schools, and homeowners seeking solar, battery and energy-saving solutions, including households eligible for ECO4 grant support.
Financial Health
StrongStrong · Growing · 0% CAGR over 4y
Location
Financial sub-scores
Computed from 3 filingsDesigns and installs solar photovoltaic systems for residential and commercial properties. Also supplies battery storage, EV charging points, in‑roof solar solutions, inverter replacements, and…
Serves homeowners and commercial property owners seeking solar energy, battery storage, EV charging, inverter replacement and maintenance support.
Financial Health
StrongStrong · Growing, Hiring · 100% CAGR over 2y
Location
Financial sub-scores
Computed from 5 filingsProvides installation and project management for heating systems, electrical installations, and renewable energy technologies, including solar PV and battery storage, serving commercial, local…
Serves a mix of B2B, public sector and B2C customers, including main contractors, construction professionals, local authorities, housing associations, care homes and domestic homeowners.
Financial Health
StrongStrong · Hiring · 14% CAGR over 4y
Location
Financial sub-scores
Computed from 4 filingsDesigns and installs solar photovoltaic systems for residential, commercial, and industrial properties. Provides battery storage, off‑grid power systems, electrical installations and maintenance,…
Serves industrial and commercial businesses in the Lake District and North England, plus residential homeowners across the UK seeking renewable energy and electrical solutions.
Financial Health
StrongStrong
Location
Financial sub-scores
Computed from 5 filingsProvides low‑carbon building design, mechanical and electrical contracting, construction, and facilities management services. Delivers renewable energy and energy efficiency projects including solar…
Serves UK public-sector and commercial clients in education, healthcare, social housing, residential, commercial property and renewable energy sectors, particularly organisations with Net Zero,…
Financial Health
StrongStrong · Growing, Hiring · 57% CAGR over 4y
Location
Financial sub-scores
Computed from 3 filingsProvides energy consultancy and installs energy efficiency and renewable systems for businesses, including LED lighting, solar photovoltaic panels and electric vehicle charging points. Conducts…
Serves B2B organisations with single or multi-site estates seeking to reduce energy costs and meet net-zero or ESG targets, including companies considering EV fleets and renewable energy investments.
Financial Health
HealthyHealthy · Hiring · 20% CAGR over 2y
Location
Financial sub-scores
Computed from 5 filingsDesigns and installs renewable energy systems including solar PV arrays, battery energy storage and wind turbines for farms and commercial sites. Provides project development support covering grid…
Serves farmers and agricultural businesses, including animal feed mills, dairy and food processors, plus industrial firms such as steel fabricators and waste processors, with some domestic and…
Financial Health
StrongStrong · Growing, Hiring · 7% CAGR over 4y
Location
Financial sub-scores
Computed from 5 filingsDevelops and installs commercial renewable energy systems including wind turbines and solar photovoltaic installations. Provides project development, private wire power purchase agreements,…
Serves UK businesses seeking on-site renewable energy, including commercial solar, wind and storage customers, plus organisations that own or operate renewable energy assets needing ongoing…
Financial Health
StrongStrong
Location
Financial sub-scores
Computed from 3 filingsProvides solar photovoltaic services including installation of domestic and commercial systems, portfolio management, performance monitoring, maintenance and cleaning of solar panels, and technical…
Serves UK businesses and householders with solar PV systems, including commercial property owners, domestic homeowners and owners of larger solar installation portfolios.
Financial Health
StrongStrong · Growing, Hiring · 33% CAGR over 2y
Location
Financial sub-scores
Computed from 4 filingsDesigns and installs solar photovoltaic systems, battery storage and electric vehicle charging points for domestic and commercial properties. Provides system maintenance and support and helps…
Targets UK homeowners, solar-owning households, commercial property owners and businesses looking to reduce energy costs and carbon emissions, with separate domestic and commercial customer pathways.
Financial Health
StrongStrong · Growing, Hiring · 71% CAGR over 2y
Location
Financial sub-scores
Computed from 3 filingsInstalls renewable energy and heating systems for homes and businesses, including solar panel and battery systems, air source heat pumps, boilers, and electric vehicle chargers. Provides…
Serves UK homeowners, landlords and businesses looking to reduce energy costs and carbon footprint, with separate offerings for residential properties, workplaces and commercial premises.
Financial Health
StrongStrong · Growing, Hiring · 41% CAGR over 2y
Location
Financial sub-scores
Computed from 4 filingsProvides energy efficiency retrofit and renewable energy installations, including wall and loft insulation, air source heat pumps, solar photovoltaic panels and EV chargers, delivering whole‑house…
Serves housing associations, local authorities, energy companies, managing agents, tier 1 contractors and public sector bodies delivering housing and public-space decarbonisation programmes across…
Financial Health
StrongStrong · Hiring · 91% CAGR over 2y
Location
Financial sub-scores
Computed from 2 filingsDesigns and installs solar power systems for residential and commercial properties, including tailored photovoltaic installations and energy solutions. Also provides solar panel maintenance,…
Sells to UK homeowners and businesses seeking solar energy systems, including residential customers and commercial organisations needing tailored installations and ongoing solar panel maintenance.
Financial Health
StrongStrong · Growing · 0% CAGR over 1y
Location
Unlock all 1,029 leads
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How WordPress 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. PV installation 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 PV installation 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.
WordPress 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
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