Field Services Companies Using TrustedSite in the UK: 129 Active Firms (2026)
Field trade businesses using website trust tools deliver on-site installation, repair and maintenance work across the UK.
For trade contractors, a trust-badge and site-assurance layer sits close to the lead-generation stack rather than the job-management system. It is usually owned by an owner-manager, marketing lead or commercial director trying to turn search and referral traffic into quote requests, booked surveys and service-contract enquiries. Adoption tends to signal a direct-channel posture: these businesses have enough inbound demand to care about conversion, but still need external credibility cues around competence, insurance, reviews and safe browsing. The typical buyer is local or regional, with residential, commercial or public-sector work won through a mix of reputation, certification and web forms.
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Across the UK, 129 actively trading field-services and trade businesses run this trust-badge tool on their public websites. Reported employment totals 1,108 people, which fits the owner-managed and small-employer profile implied by this category. Within detected trust-badge usage across field services and trades, the tool accounts for 59.7%, ahead of the other detected option at 40.3%. Registered-address concentration is modest rather than London-only: the South East accounts for 16.3% of the cohort, London 15.5%, the South West 10.1%, and both the North West and East Midlands 8.5%.
Field services and trades sit across multiple regimes rather than a single sector licence. Building Safety Regulator guidance places duties on clients, designers and contractors, while GOV.UK describes competent person schemes as a route for some installers to self-certify building work where minimum technical competence is met. Gas work has a clearer legal gate: businesses and engineers must be on the Gas Safe Register to carry it out legally, with renewal required each year. For companies running third-party trust badges, the practical issue is not the badge itself but the claims around it; accreditation, safety and competence signals need to match the work offered, the territory served and the booking journey.
Adoption appears likely to remain selective rather than universal. Field-services contractors tend to add trust badges when direct-web enquiries start to matter more than subcontract networks or repeat local work, and that point arrives unevenly across trades. Micro-business operators may prefer review widgets, trade-body logos or simple certification pages; more commercialised contractors are likelier to test third-party assurance alongside analytics, booking forms and paid-search landing pages. Procurement and compliance pressure should keep competence signals visible, but the category also faces substitution from website-builder bundles and customer-review tools, so standalone badge adoption may depend on whether it can prove conversion lift without adding friction.
Adoption by company size
Adoption of TrustedSite rises with company size across the trading UK field services companies in this cohort. 0% of the 236,026 companies with under 10 employees run TrustedSite (94 detected). 0.3% of the 11,382 companies with 10–50 employees run TrustedSite (32 detected). 0.4% of the 923 companies with over 50 employees run TrustedSite (4 detected). That is a 0.4% gap between the over 50 employees and under 10 employees bands.
129
Active firms
2026
59.7%
Of detected Trust Badges share
UK field services
6
Median headcount
Filed accounts
219
Verified contacts
Across this cohort
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Key facts
14% of the cohort was incorporated since 2022 (19 firms), so a sizeable share is in its first few filing cycles.
Among 216 field-services and trades firms with a detectable trust-badge system, the profiled tool accounts for 59.7% (129), versus 40.3% (87) for the other detected system.
South East and London account for 16.3% (21) and 15.5% (20) of the cohort respectively, followed by South West at 10.1% (13).
The most common co-detected website-builder tool appears on 96.1% (124) of cohort websites; the most common analytics tag appears on 32.6% (42).
ONS reports construction new orders rose 5.6% in 2024, while construction new work in Great Britain increased by 1.4% in current prices.
Gas businesses and engineers must be on the statutory gas register to carry out gas work legally, and registration must be renewed every year.
Security market share among UK Field Services
What else do TrustedSite-running Field Services run?
Share of the 129 TrustedSite-running UK companies where each technology was also detected. As of June 2026.
Where TrustedSite Field Services 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
£490.5K
Median UK turnover
0%
Above £5M turnover
19
Incorporated since 2022
219 verified decision-maker contacts
across these 129 companies, with emails available in Firmbase. Filter by role, seniority and stack.
Top UK Field Services using TrustedSite
Ranked by sales-readiness score: an AI model assesses what each company does, its sector and size, and scores its overall fit. Best-fit prospects appear first.
Financial sub-scores
Computed from 3 filingsProvides electrical installation, maintenance and testing services for domestic, commercial and industrial properties. Installs EV charging points, solar panels and battery storage, alarms, CCTV…
Serves homeowners, landlords, commercial premises and industrial clients across Northampton, Wellingborough and Kettering.
Financial Health
StableStable · 0% CAGR over 2y
Location
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Financial sub-scores
Computed from 3 filingsInstalls and maintains fire safety and security systems for commercial properties, including fire alarms, fire extinguishers, emergency lighting, fire doors, suppression systems, CCTV, access control…
Serves businesses, landlords and property managers with commercial premises and property portfolios across North West England and North Wales, particularly those responsible for fire safety…
Financial Health
StrongStrong · Hiring · 73% CAGR over 2y
Location
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Financial sub-scores
Computed from 3 filingsInstalls, supplies and maintains fire detection and alarm systems and security systems for businesses, including CCTV, intruder alarms and access control. Also provides emergency lighting, fire risk…
Serves businesses, commercial property owners and facilities managers in Kent that need fire and security systems for their premises.
Financial Health
StableStable · Hiring · 7% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsProvides passive fire protection services for commercial and residential buildings, including fire stopping and penetration sealing, cavity barriers, structural steel fire protection, drylining, fire…
Serves commercial and residential property owners, construction sites, government bodies and private businesses needing passive fire protection, with emphasis on London and UK projects.
Financial Health
StableStable · Hiring · 26% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides electrical contracting services including installation and maintenance for commercial, agricultural and industrial facilities. Services include EICR and PAT testing, EV charger installation,…
Serves businesses and organisations in commercial, agricultural and industrial sectors, including water treatment operators, high-security sites, shops, offices and production facilities.
Financial Health
StrongStrong · Hiring · 15% CAGR over 5y
Location
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Financial sub-scores
Computed from 5 filingsProvides installation, maintenance and servicing of fire safety and security systems for homes and businesses, including fire alarms, fire extinguishers, CCTV, intruder alarms, access control and…
Sells to homeowners and commercial customers needing fire and security systems, including businesses requiring alarms, CCTV, access control, fire risk assessments and related safety services,…
Financial Health
StableStable · 0% CAGR over 4y
Location
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Financial sub-scores
Computed from 2 filingsProvides electrical contracting services for residential, commercial, and public sector projects, including electrical design and cost planning, EV charging point installation, LED lighting upgrades,…
Serves homeowners, commercial property owners, businesses, and public sector organisations, with emphasis on residential and commercial projects, public sector developments, and large-scale…
Financial Health
WeakWeak
Location
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Financial sub-scores
Computed from 5 filingsProvides licensed asbestos removal, abatement and remediation services for commercial, industrial and residential properties. Conducts asbestos surveys, management planning and related compliance…
Serves businesses, industrial sites, property duty holders and contractors across the UK, alongside homeowners needing small residential asbestos-related projects.
Financial Health
WeakWeak · -20% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides electrical contracting services including design and build, lighting design and calculations, installation, and project management for commercial, residential and healthcare projects, along…
Serves businesses, healthcare organisations and residential customers needing electrical contractors for projects in London, Berkshire, Buckinghamshire and Oxfordshire.
Financial Health
HealthyHealthy · Hiring · 26% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides fire door inspection, installation, maintenance and remediation services for buildings. Conducts compliance inspections, repairs and replacements, and delivers planned maintenance programmes…
Serves B2B and public-sector customers responsible for built assets, including building owners, occupiers, property managers and facilities teams across UK sectors requiring fire door compliance.
Financial Health
HealthyHealthy
Location
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Financial sub-scores
Computed from 5 filingsProvides electrical contracting services for domestic, commercial and industrial clients, including electrical installations, home rewiring, lighting and power systems, maintenance and repairs, fault…
Serves homeowners, landlords and businesses across the East Midlands, including restaurants, offices, warehouses and shops, with domestic, commercial and industrial electrical needs.
Financial Health
WeakWeak · 0% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides plumbing and heating services including boiler installation, servicing and repairs, emergency plumbing callouts, bathroom suite installation, and underfloor heating. Carries out maintenance…
Serves homeowners and commercial customers in Yorkshire needing plumbing, heating, boiler, bathroom and emergency repair support, including households seeking care plans and businesses requiring…
Financial Health
StrongStrong · Hiring · 19% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides commercial gas engineering, heating, HVAC, air conditioning and plumbing services, including installation, maintenance, compliance checks and emergency repairs. Works with businesses,…
Serves business owners, commercial landlords, and facilities or asset managers responsible for commercial properties across the South Coast, including Hampshire, Dorset and West Sussex.
Financial Health
StableStable · Hiring · 22% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides mechanical building services including design, fabrication, installation and maintenance of heating, ventilation and plumbing systems. Delivers commercial boiler plant rooms, domestic water…
Sells to public, private and commercial sector clients across the North West, including buyers in education, healthcare, commercial, industrial and residential development. Serves businesses, public…
Financial Health
HealthyHealthy · Hiring · 2% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides passive fire protection services for commercial and residential buildings, including fire stopping, installation of fire doors and fire‑rated glazing, cavity barriers, structural steel fire…
Serves construction and property clients, including main contractors and project teams on commercial and residential building projects, across South West England and nationwide.
Financial Health
StrongStrong · Growing, Hiring · 35% CAGR over 4y
Location
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Financial sub-scores
Computed from 3 filingsInstalls and maintains fire and security systems for commercial and residential properties, including fire alarms, CCTV surveillance, intruder alarms, access control systems and automated gates,…
Serves commercial, industrial and retail businesses, plus domestic property owners, needing fire and security support across the southern counties of England.
Financial Health
StrongStrong · Hiring · 22% CAGR over 2y
Location
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Financial sub-scores
Computed from 3 filingsProvides domestic and commercial plumbing and heating services, including installation and maintenance of sanitary ware, heating systems, gas, oil and LPG equipment, air lines, air conditioning,…
Serves residential homeowners and commercial clients, with small to medium projects in the Home Counties and South East and larger projects nationally.
Financial Health
HealthyHealthy · 0% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsSupplies and installs residential windows and doors in aluminium, uPVC and timber. Provides window and door replacement, bespoke timber and composite doors, aluminium door systems, and related…
Serves homeowners and residential property owners in Derbyshire and Nottinghamshire seeking window, door, glazing and related joinery work.
Financial Health
HealthyHealthy · Hiring · 14% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides plumbing, HVAC and electrical services including installation, maintenance and repair of heating, ventilation, air conditioning, plumbing systems and electrical systems for residential and…
Serves local customers around Wingham seeking plumbing, HVAC or electrical support, handling enquiries, quote requests and bookings from people with job-specific questions or special requests.
Financial Health
StrongStrong · Hiring · 11% CAGR over 4y
Location
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Financial sub-scores
Computed from 3 filingsProvides electrical installation services for residential construction projects, including new-build and social housing developments. Works with builders, housing associations and councils to deliver…
Serves builders, housing associations, councils and private customers in Scotland and the west, with a focus on new-build housing and social housing projects.
Financial Health
HealthyHealthy · -22% CAGR over 2y
Location
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Financial sub-scores
Computed from 3 filingsProvides electrical contracting services including fixed wiring installation and maintenance for residential and commercial properties. Designs and installs solar photovoltaic systems, battery…
Serves homeowners, businesses and Octopus Energy customers planning electrical, renewable energy, EV charging or security projects.
Financial Health
StrongStrong · Growing, Hiring · 13% CAGR over 2y
Location
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Financial sub-scores
Computed from 3 filingsProvides drainage services for residential and commercial properties, including drain unblocking, CCTV surveys, high‑pressure jetting, drain repairs, excavation, septic tank work, and installation…
Sells to homeowners, renters, businesses and commercial property operators needing drainage services. Also serves housing associations and insurance-related clients across North West England and…
Financial Health
StableStable · -4% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsProvides electrical installation, inspection and repair services for domestic and commercial properties, including rewiring, consumer unit upgrades, lighting installation, EICRs, fault finding, smart…
Serves homeowners and business customers needing electrical work, inspections, repairs and maintenance, particularly in the Scottish Borders. Targets domestic properties plus commercial and…
Financial Health
StableStable · 0% CAGR over 3y
Location
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Financial sub-scores
Computed from 3 filingsProvides mechanical and electrical engineering services including design, installation and maintenance of electrical systems. Undertakes domestic rewiring and fault finding, commercial installations,…
Serves homeowners, businesses and industrial operators, including offices, retail units, schools, public buildings, factories, workshops and production facilities.
Financial Health
HealthyHealthy · 0% CAGR over 2y
Location
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Computed from 5 filingsProvides mechanical building services including design, fabrication, installation and maintenance of commercial heating, ventilation and plumbing systems. Also delivers domestic water services,…
Serves public-sector bodies and private-sector organisations across the North West, including education, healthcare, commercial, industrial and residential development clients.
Financial Health
HealthyHealthy · 0% CAGR over 4y
Location
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Computed from 5 filingsProvides roofing services including roof repairs, replacements and new roof installations for residential and commercial properties. Also installs and maintains flat, tiled and slate roofs, and…
Sells to homeowners and businesses needing roofing work, especially residential customers and commercial clients of varying sizes in Ringwood and surrounding parts of Hampshire and Dorset.
Financial Health
HealthyHealthy · Hiring · 11% CAGR over 4y
Location
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Provides facilities management and building services including commercial and industrial refurbishment, office and warehouse clearance, structural repairs, roofing, civil engineering works,…
Serves UK businesses, landlords and tenants needing facilities management across commercial and industrial estates, including offices, warehouses, multi-site properties and refurbishment or…
Financial Health
N/AN/A
Location
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Financial sub-scores
Computed from 5 filingsProvides mechanical and electrical contracting services for commercial and industrial projects, including design, installation and maintenance of low‑ and high‑voltage electrical systems, fire…
Serves public and private sector clients with commercial and industrial sites across the South of England, covering project sizes from breakdowns to full installations.
Financial Health
DistressedDistressed · -4% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides dental engineering services for dental practices, including installation, maintenance and repair of equipment such as dental chairs, suction pumps, X‑ray units, compressors, autoclaves,…
Serves dental practices in Scotland, primarily independent dental clinics and practice managers seeking tailored service visits, quotations and contracts for surgery equipment across chairs, imaging…
Financial Health
DistressedDistressed · 0% CAGR over 4y
Location
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Financial sub-scores
Computed from 3 filingsProvides heating, plumbing and renewable energy installation services for homes and businesses, including gas, oil and LPG boilers, heat pumps, solar panels, EV charging points, battery storage and…
Serves homeowners and businesses across Northumberland, including Hexham, Corbridge, Allendale, Haydon Bridge and Stocksfield, seeking heating, plumbing and renewable energy solutions.
Financial Health
DistressedDistressed · -15% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsProvides electrical installation services for domestic, commercial and industrial projects, including wiring and electrical systems for new builds and refurbishments, and offers related mechanical…
Serves domestic, commercial and industrial customers across the UK, including residential property owners and businesses requiring electrical installations.
Financial Health
HealthyHealthy · Hiring · 33% CAGR over 4y
Location
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Computed from 5 filingsProvides plumbing and heating services for residential properties, including installation, maintenance and repairs. Also undertakes home improvement and construction work and offers renewable energy…
Serves homeowners and domestic property owners in Oxfordshire seeking plumbing, heating, construction or renewable home-improvement services, including emergency call-outs.
Financial Health
WeakWeak · 0% CAGR over 4y
Location
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Computed from 5 filingsProvides electrical contracting services for domestic and commercial clients, including homes, businesses and public sector organisations. Carries out electrical installation, maintenance and related…
Serves a mixed customer base of homeowners, personal clients, local authorities and businesses seeking domestic or commercial electrical support in Hull and the surrounding area.
Financial Health
StrongStrong · Growing, Hiring · 3% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides electrical installation, maintenance and repair for commercial and industrial systems, including fire alarms, intruder alarms and CCTV, and installs structured cabling such as CAT5, CAT6,…
Serves UK businesses operating commercial and industrial premises, including facilities, site and operations teams needing electrical, security and data infrastructure support.
Financial Health
HealthyHealthy · -10% CAGR over 4y
Location
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Computed from 5 filingsProvides commercial plumbing, heating and ventilation services, including design, supply and installation of HVAC systems, gas installation and servicing, commissioning, and ongoing plumbing and HVAC…
Serves commercial and industrial organisations, including offices, education providers, leisure venues, retail sites and healthcare facilities needing plumbing, heating, ventilation and HVAC support.
Financial Health
StrongStrong · Growing, Hiring · 5% CAGR over 4y
Location
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Computed from 5 filingsProvides damp proofing inspections and remedial treatments for residential properties, addressing issues such as rising damp, mould, condensation and woodworm. Also offers property surveys,…
Serves homeowners, landlords and property managers in London needing damp, mould, condensation or woodworm inspections, treatments, guarantees or claims assessments for residential and managed…
Financial Health
StrongStrong · Hiring · 7% CAGR over 4y
Location
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Computed from 3 filingsProvides mechanical and electrical building services engineering, including design consultancy, system installation, and ongoing maintenance. Works on building services systems such as heating and…
Financial Health
StrongStrong · Growing, Hiring · 12% CAGR over 2y
Location
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Computed from 5 filingsProvides building fabric maintenance and facilities services for commercial properties and estates, including painting and decorating, repairs, electrical and mechanical services, compliance testing,…
Serves B2B clients that own, manage or occupy commercial properties and estates, including landlords, property investors and facilities management teams responsible for compliant buildings.
Financial Health
StableStable · Hiring · 3% CAGR over 4y
Location
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Computed from 3 filingsProvides electrical installation services for domestic and commercial properties, including wiring and electrical systems for building developments, and installs air‑conditioning systems. Also…
Sells to both domestic and commercial customers needing electrical works and air-conditioning installations, including homeowners, businesses and property development projects.
Financial Health
StableStable · -13% CAGR over 2y
Location
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Computed from 4 filingsProvides electrical services for domestic and commercial properties, including installation, inspection and testing of electrical systems. Offers landlord EICR reports, EV car charger installation,…
Serves homeowners, landlords, and business clients, including commercial offices, industrial sites, shop fitters, and customers requiring EV charging or compliance-related electrical support.
Financial Health
WeakWeak · Hiring · 33% CAGR over 3y
Location
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Computed from 5 filingsProvides electrical contracting services including domestic and commercial wiring, rewiring and socket repairs. Installs and maintains EV charging points, CCTV and intruder alarms, fire detection…
Serves homeowners, landlords and businesses around Thirsk, Northallerton, Ripon, Harrogate, York and nearby areas, including customers eligible for home and workplace EV charging grants.
Financial Health
StableStable · Hiring · 37% CAGR over 4y
Location
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Computed from 3 filingsSupplies and installs residential glazing products including windows, doors and conservatories. Provides supply-only and full installation services to homeowners, businesses and trade customers, with…
Serves homeowners, commercial customers and trade partners across the UK, with separate contact routes for household and trade enquiries and options aimed at both end clients and supply-only trade…
Financial Health
DistressedDistressed · 0% CAGR over 1y
Location
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Computed from 5 filingsSupplies commercial catering equipment and spare parts via an online store, and provides kitchen design, installation, servicing, maintenance contracts, and emergency breakdown repair for gas and…
Serves B2B customers in the commercial catering industry, including operators and managers of commercial kitchens, catering businesses and foodservice sites with gas and electrical catering equipment.
Financial Health
HealthyHealthy · -4% CAGR over 4y
Location
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Computed from 4 filingsSupplies and installs uPVC and aluminium windows and doors, composite doors, aluminium bifold doors, glass balustrades and glazing. Also provides conservatory roofs, decking, carports, canopies and…
Serves homeowners and residential property owners planning home improvement, glazing, door, conservatory, decking, canopy and garden room projects.
Financial Health
StrongStrong · Hiring · 26% CAGR over 3y
Location
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Computed from 5 filingsProvides electrical engineering services including emergency fault response, LV/HV maintenance and surveys, commissioning, planned electrical works, and asset replacement. Carries out minor and major…
Serves businesses and organisations operating HV/LV electrical infrastructure, including facilities, estates and asset managers needing nationwide emergency, planned and maintenance support.
Financial Health
StrongStrong · Hiring · 22% CAGR over 4y
Location
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Computed from 3 filingsProvides electrical contracting services for multi-residential, industrial and commercial projects, including electrical installations, inspection and testing, condition reports, and emergency…
Serves property developers, main contractors, facilities managers and commercial or industrial site operators involved in multi-residential, industrial and commercial projects across the country.
Financial Health
StrongStrong · Growing, Hiring · 27% CAGR over 2y
Location
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Computed from 4 filingsSupplies and installs timber, uPVC and aluminium windows, doors and conservatories. Provides glazing services including replacement glass, sealed units, emergency boarding, and sales of window and…
Serves homeowners, landlords, conservation-area property owners, and retail or commercial premises requiring windows, doors, conservatories, shopfront glazing, emergency boarding or replacement glass.
Financial Health
DistressedDistressed · -11% CAGR over 3y
Location
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Computed from 2 filingsProvides multi-trade construction and building services including electrical systems, mechanical piping, HVAC and refrigeration, fire suppression, renewable energy installations, and technology…
Serves B2B commercial and industrial clients with facilities and construction projects across renewable energy, electrical, technology, mechanical, fire suppression, HVAC/R and underground…
Financial Health
StrongStrong · Hiring · 250% CAGR over 1y
Location
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Computed from 5 filingsProvides electrical contracting and power infrastructure services including UPS, DC and AC power installations, battery testing and maintenance. Also delivers LED lighting upgrades, EV charging…
Serves B2B clients nationally and internationally, including facilities managers, data centre operators and organisations needing electrical and communications infrastructure support, power systems,…
Financial Health
StableStable · Hiring · 11% CAGR over 4y
Location
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How TrustedSite 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. field services 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 field services 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.
TrustedSite 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 field services companies use TrustedSite?
What share of UK field services companies run TrustedSite?
How is TrustedSite usage detected?
What size field services companies use TrustedSite in the UK?
What do TrustedSite-running field services companies also run?
Can I get contact details for these companies?
Search 129 UK companies by the security technology they run.
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