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PV Installation Companies Using Site Kit in the UK: 89 Active Firms (2026)
UK PV installation companies running website measurement tooling install and maintain solar arrays while signalling mature digital lead generation.
Marketing and operations teams sit at the centre of adoption: the tool connects search-performance visibility, analytics tagging and website administration for contractors whose enquiries often begin with local search, case studies or project research. For PV installers, that matters because a website visit usually leads to a survey request, roof assessment or commercial quotation rather than an online sale. Running the stack tends to signal an owned lead-generation motion, some internal or retained marketing capacity, and a willingness to measure channel performance. It fits regional specialists as well as national contractors, particularly where residential and commercial pipelines are managed through web forms, phone calls and follow-up workflows.
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Across the UK, 89 actively trading PV installation contractors are running this measurement stack. Reported headcount totals 1,244, so adoption is not confined to owner-operated installers, even though many users remain field-service businesses. Within the PV installation sector’s detected analytics category, the system ranks second at 11.3% against a category denominator of 787; the most common analytics tag sits at 89.5%. Registered-region skew is spread across Scotland and the East of England at 13.5% each, followed by the South West at 12.4%, the North East at 10.1%, and Yorkshire and The Humber at 9.0%.
Online lead generation brings a compliance layer that sits alongside installation credentials and procurement checks. Contractors collecting quote requests, survey details and call-back forms need clear consent handling, privacy notices and retention discipline, particularly when measurement tags are paired with advertising pixels or call tracking. Public-sector and commercial buyers also tend to inspect website claims, accreditations, insurance language and project evidence before shortlisting installers. The vendor ecosystem is usually agency-led: web developers, search consultants and outsourced marketing teams configure the measurement stack, while the installer’s commercial team uses the resulting signals to triage enquiries and justify local-search spend.
Adoption appears tied less to enthusiasm for analytics than to the economics of installer lead flow. PV contractors with a direct-channel posture tend to care about attribution because enquiries can be lumpy, seasonal and dependent on local trust. Smaller installers may keep using bundled website tooling where it is configured by an external agency, while more mature contractors may pull measurement closer to customer-relationship and quoting workflows. Pressure for cleaner consent handling, better enquiry qualification and clearer evidence of marketing return should keep the category relevant, but the pattern looks incremental rather than a wholesale shift in how installations are sold.
Adoption by company size
Adoption of Site Kit rises with company size across the trading UK PV installation companies in this cohort. 5.3% of the 1,213 companies with under 10 employees run Site Kit (64 detected). 4.9% of the 410 companies with 10–50 employees run Site Kit (20 detected). 10% of the 30 companies with over 50 employees run Site Kit (3 detected). That is a 4.7% gap between the over 50 employees and under 10 employees bands.
89
Active firms
2026
11.3%
Of detected Analytics share
UK PV installation
6
Median headcount
Filed accounts
178
Verified contacts
Across this cohort
Key facts
About 7% of the trading cohort reports turnover above £5M (7 of 89 firms) — the rest sits below that revenue band.
10% of the cohort was incorporated since 2022 (9 firms), so a sizeable share is in its first few filing cycles.
Within PV installation, this website-measurement tool appears in 11.3% (89) of companies with a detectable analytics system, against a denominator of 787 companies.
Every firm in the cohort also has a content-management platform detected, at 100.0% (89).
Search optimisation tooling is detected alongside the measurement setup at 59.6% (53), while bot-protection tooling appears at 43.8% (39).
Registered-region concentration is highest in Scotland and the East of England, each at 13.5% (12), followed by the South West at 12.4% (11).
Sector tags overlap: Field Services & Trades covers 91.0% (81), Renewable Energy 83.1% (74), and Construction 21.3% (19).
Analytics market share among UK PV Installation
Share of the 787 UK PV Installation with a detectable system. As of June 2026.
What else do Site Kit-running PV Installation run?
Share of the 89 Site Kit-running UK companies where each technology was also detected. As of June 2026.
Where Site Kit 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
£625.3k
Median UK turnover
7.9%
Above £5M turnover
9
Incorporated since 2022
178 verified decision-maker contacts
across these 89 companies, with emails available in Firmbase. Filter by role, seniority and stack.
Top UK PV Installation 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 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 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
Location
Financial sub-scores
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
Financial sub-scores
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
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
Financial sub-scores
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
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
Financial sub-scores
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
Location
Financial sub-scores
Computed from 4 filingsDesigns and installs solar photovoltaic (PV) systems for residential and commercial properties, including rooftop and ground‑mounted arrays. Also supplies battery storage systems, EV chargers, and…
Serves homeowners and families across Scotland, plus commercial organisations seeking renewable energy upgrades, including visitor attractions and other businesses managing operational energy costs.
Financial Health
WeakWeak · -74% CAGR over 3y
Location
Financial sub-scores
Computed from 5 filingsDesigns and installs renewable energy systems for residential and commercial properties, including solar photovoltaic panels, battery storage and air source heat pumps. Provides system design, site…
Serves UK homeowners and commercial property owners, including businesses with larger sites, seeking lower energy bills through solar, battery storage or low-carbon heating options.
Financial Health
WeakWeak · -6% 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 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
Financial sub-scores
Computed from 5 filingsInstalls solar photovoltaic systems, battery storage units and electric vehicle charging points for residential and commercial properties. Also provides electrical installation services related to…
Serves homeowners and businesses across Barnsley, Sheffield, Doncaster, Leeds, Nottingham, Lincoln, Derby, York and nearby areas, especially property owners needing electrical infrastructure upgrades.
Financial Health
StableStable · Hiring · 6% CAGR over 4y
Location
Financial sub-scores
Computed from 3 filingsProvides electrical contracting services including design, installation and maintenance of electrical systems, security systems, solar PV, battery storage and EV infrastructure, working on social…
Serves local authorities, social housing providers, public sector estates, building contractors and facilities managers responsible for schools, housing, heritage buildings, warehouses and commercial…
Financial Health
StableStable · -5% CAGR over 2y
Location
Financial sub-scores
Computed from 3 filingsInstalls solar photovoltaic systems, battery storage and electric vehicle chargers, and provides heat pump installation. Also offers electrical, plumbing, heating and Gas Safe engineering services…
Sells to homeowners, landlords, and commercial property owners needing solar, heating, plumbing, gas, and electrical services. Targets both domestic and business customers in Sussex and nearby…
Financial Health
WeakWeak · Hiring · 7% CAGR over 2y
Location
Financial sub-scores
Computed from 5 filingsDesigns and installs solar photovoltaic systems, battery storage and electric vehicle charging points for residential and commercial properties, providing site surveys, system design, installation…
Serves both B2B and B2C customers: businesses looking to reduce operational energy costs and improve ESG performance, and homeowners seeking lower household bills, energy independence, and backup…
Financial Health
WeakWeak · Hiring · 14% CAGR over 4y
Location
Financial sub-scores
Computed from 5 filingsProvides solar photovoltaic and battery storage installation and electrical contracting services for domestic properties, social housing and new‑build developments. Carries out electrical…
Serves individual homeowners and commercial property clients across the North West, including social housing providers, property maintenance contractors, house builders and landlords.
Financial Health
DistressedDistressed · -15% CAGR over 4y
Location
Financial sub-scores
Computed from 5 filingsProvides roofing installation and solar energy systems, including solar PV and battery storage, for residential, commercial, agricultural and public sector buildings. Services include roof…
Serves Scottish housebuilders, public sector and community bodies, social housing landlords, farmers, commercial businesses and homeowners seeking roofing or solar projects.
Financial Health
DistressedDistressed · -10% CAGR over 4y
Location
Financial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy · -65% CAGR over 4y
Location
Financial sub-scores
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
Location
Financial sub-scores
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
Location
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
Financial sub-scores
Computed from 4 filingsDesigns, installs and maintains renewable energy systems including heat pumps and solar panel installations for domestic, commercial and agricultural properties. Provides site surveys, system design,…
Serves homeowners, commercial property owners and agricultural clients in Central Scotland seeking renewable heating or solar solutions for homes, farms and business premises.
Financial Health
WeakWeak · Hiring · 82% CAGR over 3y
Location
Financial sub-scores
Computed from 5 filingsDesigns, installs and maintains renewable energy systems for homes and businesses, including solar PV panels, battery storage, air source heat pumps and EV charging points. Also provides commercial…
Serves homeowners, owners of existing homes and new builds, and commercial organisations across Bournemouth, Dorset, Wiltshire and Hampshire looking to reduce energy costs and carbon emissions.
Financial Health
StrongStrong · Growing, Hiring · 32% CAGR over 5y
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 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
Financial sub-scores
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
Financial sub-scores
Computed from 4 filingsProvides installation and maintenance of solar photovoltaic systems, battery storage and EV charging points, alongside electrical contracting services including rewiring, lighting upgrades and…
Serves homeowners and businesses across North East Scotland, including commercial premises seeking energy-cost reductions and domestic customers needing certified electrical, solar, battery or EV…
Financial Health
HealthyHealthy · -76% CAGR over 3y
Location
Provides solar energy system installation for residential and commercial properties, including rooftop and ground‑mounted solar panels, battery storage systems, and related energy solutions such as…
Serves homeowners, business owners and landowners seeking solar and battery energy systems, with offerings for domestic properties, commercial premises and ground-mount installations.
Financial Health
Insufficient historyInsufficient history
Location
Financial sub-scores
Computed from 5 filingsDesigns, supplies and installs renewable energy heating and ventilation systems for residential and commercial buildings, including air, ground and water source heat pumps, solar PV, air…
Serves homeowners, self-builders, renovators, architects, builders, property developers and public buildings across the South West seeking renewable heating, solar and related systems.
Financial Health
HealthyHealthy · -66% CAGR over 4y
Location
Financial sub-scores
Computed from 5 filingsDesigns and installs off‑grid power systems using solar PV, battery storage and generators. Provides system design, turnkey installation, upgrades, and remote monitoring for homes, businesses and…
Serves homeowners, self-builders and rural property owners, plus businesses with remote sites such as workshops, holiday lodges and commercial premises needing off-grid power systems.
Financial Health
StableStable · 0% CAGR over 4y
Location
Financial sub-scores
Computed from 3 filingsProvides electrical contracting services including power system installations, industrial wiring, solar PV and battery systems, EV charging points, LED lighting, testing and maintenance. Delivers…
Serves businesses nationwide, including offices, warehouses and facilities managers, alongside schools, colleges, universities, and owners or custodians of heritage and bespoke properties.
Financial Health
DistressedDistressed · -29% CAGR over 2y
Location
Financial sub-scores
Computed from 3 filingsProvides electrical contracting and renewable energy installation services for residential, commercial and agricultural properties, including solar PV systems, battery storage, EV charging points and…
Serves homeowners, domestic retrofit customers, new-build property developers, and commercial or agricultural premises in Yorkshire and across the UK, from small businesses to larger corporations.
Financial Health
StrongStrong · Hiring · 70% CAGR over 2y
Location
Financial sub-scores
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
Location
Financial sub-scores
Computed from 4 filingsProvides electrical contracting services including commercial and industrial electrical installations, power systems, solar PV and battery storage, EV charging infrastructure, LED lighting, testing…
Serves businesses, heritage property owners, education providers and facilities managers across the UK, including offices, warehouses, stately homes, churches, schools, colleges, universities and…
Financial Health
StableStable · 2% CAGR over 3y
Location
Financial sub-scores
Computed from 5 filingsDesigns, installs and services energy and climate control systems for commercial and residential properties, including air conditioning, refrigeration, heat pumps, solar PV and battery storage, smart…
Serves businesses needing workplace energy, heating, cooling and refrigeration support, alongside homeowners seeking domestic comfort and energy-efficiency upgrades.
Financial Health
StableStable · Hiring · 5% CAGR over 4y
Location
Financial sub-scores
Computed from 3 filingsDesigns and installs solar photovoltaic systems for residential properties, including roof‑mounted and ground‑mounted panels, battery storage systems, and EV car chargers. Provides installation…
Serves UK homeowners, particularly across the South of England, looking for domestic renewable energy installations and advice, including households with varied roof types or ground-mount…
Financial Health
WeakWeak
Location
Financial sub-scores
Computed from 3 filingsDesigns and installs off-grid solar power systems and battery storage for residential, agricultural and industrial sites, including standalone solar arrays, energy storage and related power…
Serves a mix of UK consumers and businesses, including homeowners, farms and agricultural operators, and industrial sites requiring off-grid power and battery storage.
Financial Health
WeakWeak · Hiring · 15% CAGR over 2y
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 and installs solar photovoltaic systems, battery storage and electric vehicle charging units for domestic and commercial properties. Also provides electrical installations, LED lighting…
Serves a mix of B2C homeowners and B2B customers, including businesses, commercial property owners and industrial sites, with emphasis on clients in the South West and beyond.
Financial Health
StrongStrong · Growing, Hiring · 8% CAGR over 5y
Location
Financial sub-scores
Computed from 2 filingsProvides roofing and solar services for residential and commercial properties, including roof repairs, slating and tiling, flat roofing, fascia and guttering installation, cut edge treatment, roof…
Serves homeowners, landlords, construction firms and commercial or industrial property owners in Northamptonshire, covering both one-off domestic jobs and larger commercial projects.
Financial Health
HealthyHealthy · 0% CAGR over 1y
Location
Financial sub-scores
Computed from 5 filingsProvides electrical installation services for domestic, commercial, industrial and agricultural properties, including solar PV and battery storage systems, EV charging points, air and ground source…
Serves homeowners, residential property owners, and commercial, industrial and agricultural organisations in Suffolk and East Anglia with property energy upgrades and electrical projects.
Financial Health
HealthyHealthy · Hiring · 12% CAGR over 4y
Location
Financial sub-scores
Computed from 5 filingsInstalls renewable energy systems including solar photovoltaic panels, electric vehicle charging points, and battery storage systems. Provides design and installation services for residential and…
Serves environmentally minded homeowners, individuals and businesses looking to reduce energy bills and carbon footprint, including residential and commercial customers interested in solar, EV…
Financial Health
StrongStrong · Growing, Hiring · 57% CAGR over 4y
Location
Financial sub-scores
Computed from 3 filingsInstalls solar photovoltaic systems for homes and businesses, including solar panel installation, battery storage integration, inverter replacement, and EV charger installation. Provides…
Serves domestic consumers and local businesses across Essex, Suffolk and surrounding areas, including homeowners, commercial property owners and architects involved in building projects.
Financial Health
StrongStrong · Growing, Hiring · 41% CAGR over 2y
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 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.
Financial Health
StrongStrong · Growing, Hiring · 73% CAGR over 2y
Location
Financial sub-scores
Computed from 4 filingsInstalls solar photovoltaic panel systems, battery storage and electric vehicle charging points for homes and businesses. Provides site surveys, system design, supply and installation, and handles…
Serves homeowners in Cheshire seeking solar panels, battery storage and EV charging, with indications of a secondary commercial customer base for renewable energy products.
Financial Health
StableStable · 0% CAGR over 3y
Location
Financial sub-scores
Computed from 3 filingsProvides electrical design, installation, inspection and testing services for domestic, commercial and industrial projects. Installs solar PV and battery storage systems, EV charging points, and…
Serves a mix of businesses, public-sector/education sites and homeowners, including industrial facilities, commercial premises, schools, hotels, restaurants, pubs, dental clinics, car showrooms and…
Financial Health
HealthyHealthy · Hiring · 12% CAGR over 2y
Location
Financial sub-scores
Computed from 3 filingsProvides electrical contracting and renewable energy services for residential, commercial and industrial properties. Installs and maintains systems such as solar and energy management solutions,…
Serves commercial, industrial and residential customers across Scotland, including property owners, businesses and organisations seeking support with energy efficiency, sustainability, compliance,…
Financial Health
HealthyHealthy
Location
Financial sub-scores
Computed from 4 filingsDesigns and installs residential renewable energy systems including solar photovoltaic panels, battery energy storage and electric vehicle chargers. Provides system design, installation, maintenance,…
Serves residential homeowners across Scotland, including households with electric vehicles or existing solar PV systems seeking home energy upgrades, battery storage, financing or grants.
Financial Health
HealthyHealthy · Hiring · 100% CAGR over 3y
Location
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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. 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.
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
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