Field Services Companies Using CallRail in the UK: 73 Active Firms (2026)
Field services firms running call-tracking tools handle booked visits, repairs and trade enquiries across UK residential and commercial markets.
For field services and trades operators, call-tracking software usually sits between local search, paid media and the booking desk. The job is less about generic web analytics than tying phone enquiries to campaigns, branches and service lines, then feeding the result into appointment workflows. Adoption tends to signal a business with enough marketing spend to care about attribution, a team handling inbound calls at volume, and a direct-channel posture rather than pure subcontracting. The users here are mostly small to mid-market service operators, where a missed call can mean a lost booked visit and where job profitability depends on matching the right crew to the right enquiry.
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Adoption is selective: 73 active UK field services and trades firms are running this call-tracking stack, and reported headcount among adopters totals 1,447. Within the sector’s analytics ranking, the system sits ninth, at 0.6% of a 12,253-company denominator, which points to a specialist attribution layer rather than a default website add-on. The regional skew is away from a purely London pattern: the North West accounts for 20.5% of adopters, followed by London at 12.3%, the South East at 11.0%, the East of England at 9.6% and the East Midlands at 9.6%.
Field services and trades do not sit under a single licence, so call attribution often has to coexist with job-specific compliance rather than sector-wide authorisation. Building work in England is shaped by the Building Safety Regulator and the Building Regulations etc. (Amendment) (England) Regulations 2023, including client, designer and contractor duties. Higher-risk building rules apply where a building has at least 7 storeys or is at least 18 metres high, and contains at least 2 residential units or is a hospital or care home. Competent person schemes allow some installers to self-certify work, while gas work requires businesses and engineers to be on the Gas Safe Register and renew registration annually.
Adoption appears tied to how much of a trades operator’s demand comes through trackable direct channels. Firms with mobile workforces, branch coverage and paid-search dependency tend to have clearer reasons to keep call attribution in place; subcontract-led or referral-heavy operators may see less need. Pressure is likely to come from bundling inside wider marketing, booking and customer-contact platforms, which can make standalone call tracking look like a feature rather than a system. Even so, compliance-sensitive service lines still need auditable enquiry handling, so the stack may persist where missed calls, misrouted jobs and disputed lead sources have an immediate cost.
What’s in the file
One row per company, 50+ columns — everything below plus each company’s verified directors, from Companies House filings.
Company data
Verified directors — included
Active director count is the full Companies House board, so it can be higher than the number of names listed — we leave out nominee and formation-agent directors, who aren’t worth contacting. It’s blank for the small number of companies whose officers we haven’t fetched yet.
You’re charged per business, not per row. Where a business trades through several registered companies you get every one, and the Group Primary column marks one row per business — filter to those and the count matches your invoice. Rows sharing a website are not automatically one business: franchises and multi-site operators each count separately, and where names don’t prove a relationship we count them apart rather than guess.
Adoption by company size
Adoption of CallRail 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 CallRail (52 detected). 0.2% of the 11,382 companies with 10–50 employees run CallRail (21 detected). 0.4% of the 923 companies with over 50 employees run CallRail (4 detected). That is a 0.4% gap between the over 50 employees and under 10 employees bands.
73
Active firms
2026
0.6%
Of detected Analytics share
UK field services
7
Median headcount
Filed accounts
149
Verified directors
Across this cohort
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Key facts
About 4% of the trading cohort reports turnover above £5M (3 of 73 firms) — the rest sits below that revenue band.
5% of the cohort was incorporated since 2022 (4 firms), so a sizeable share is in its first few filing cycles.
Within field services and trades, the call-tracking tool accounts for 0.6% (73) of the 12,253 companies with a detectable analytics system; the two largest detectable analytics tags account for 91.3% (11,185) and 10.1% (1,243).
Website stacks in the cohort point to measurable enquiry capture: 82.2% (60) also run a content-management system, 78.1% (57) have a tag-management layer and 57.5% (42) use a general web analytics tag.
Registered-office distribution is weighted towards the North West at 20.5% (15), ahead of London at 12.3% (9) and the South East at 11.0% (8).
Gas-work operators must be on the Gas Safe Register to carry out gas work legally, and registration must be renewed every year.
Building work in England can bring Building Safety Regulator duties under the Building Regulations etc. (Amendment) (England) Regulations 2023; higher-risk buildings include those with at least 7 storeys or at least 18 metres high and 2 residential units, or a hospital or a care home.
Analytics market share among UK Field Services
Share of the 12,253 UK Field Services with a detectable system. As of June 2026.
What else do CallRail-running Field Services run?
Share of the 73 CallRail-running UK companies where each technology was also detected. As of June 2026.
Where CallRail 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.
7
Median headcount
£656.4K
Median UK turnover
4.1%
Above £5M turnover
4
Incorporated since 2022
Verified directors — included in the file
Director names and roles for these 111 businesses, alongside financials and websites, in one Excel + CSV file.
Top UK Field Services using CallRail
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 filingsProvides plumbing, gas, and electrical services including installation, maintenance, and repairs for domestic properties and businesses. Also offers property management support, legionella testing,…
Serves homeowners, residents, landlords, property managers and local businesses in Edinburgh that need plumbing, gas, electrical, legionella testing or smoke alarm support.
Financial Health
StrongStrong · Hiring · 15% CAGR over 4y
Location
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Computed from 5 filingsProvides emergency glazing services including repair and replacement of window glass, doors and double glazing. Offers boarding‑up for damaged properties and repairs misted glazing units, with…
Serves homeowners, property occupiers and local businesses needing emergency glazing support across Wakefield, Leeds, Huddersfield, Barnsley, Halifax and West Yorkshire.
Financial Health
StrongStrong · Hiring · 11% CAGR over 4y
Location
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Computed from 5 filingsProvides plumbing and heating services including boiler installation, repair and servicing, gas engineering, landlord gas safety certificates, and heating system maintenance. Also carries out…
Serves homeowners, landlords and residential property owners in Glasgow and surrounding areas who need local plumbing, heating and boiler support.
Financial Health
StrongStrong · Hiring · 17% CAGR over 4y
Location
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Provides plumbing, heating and gas boiler services including installation, servicing and repairs. Installs replacement boilers, radiators and bathrooms, offers boiler cover plans, and supplies air…
Serves homeowners and domestic property owners in Chesterfield, Derbyshire, Nottinghamshire and South Yorkshire needing plumbing, heating, boiler, bathroom and air conditioning services.
Financial Health
N/AN/A
Location
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Financial sub-scores
Computed from 4 filingsProvides plumbing and heating services for residential and commercial properties, including boiler installation, servicing and repair, central heating systems, gas appliances, air source heat pumps,…
Serves homeowners and commercial customers across West Yorkshire, including landlords, letting agents, housing associations, build contractors, and catering or mobile catering businesses.
Financial Health
WeakWeak · 0% CAGR over 3y
Location
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Computed from 5 filingsProvides installation, servicing and repair of gas and oil boilers and air source heat pumps. Also maintains heating systems including underfloor heating and solar thermal, and offers ongoing care…
Sells primarily to homeowners and households needing heating and hot water systems, including boiler and heat pump customers. Serves domestic clients across Aberdeenshire, Elgin, Moray and the…
Financial Health
StableStable · 0% CAGR over 5y
Location
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Computed from 5 filingsSupplies and installs uPVC and aluminium windows, doors, and double‑glazed systems for residential properties, including conservatories, glazed extensions, and roof systems. Also provides repair and…
Serves homeowners and domestic property owners in Leicestershire and the wider East Midlands looking for home improvement, installation, and repair services.
Financial Health
WeakWeak · Hiring · 5% CAGR over 4y
Location
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Computed from 5 filingsProvides electrical contracting services including installation, maintenance and testing of electrical systems, lighting design, data cabling and network infrastructure, EV charging points, and solar…
Serves businesses and homeowners across the North, including offices, hotels and care homes, with a focus on commercial clients needing compliant electrical support and households seeking EV charging…
Financial Health
StrongStrong · Hiring · 15% CAGR over 4y
Location
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Computed from 5 filingsProvides property refurbishment and maintenance services for residential and commercial properties, including painting and decorating, kitchen and bathroom installation, joinery, flooring, plumbing,…
Serves homeowners, property owners, landlords and commercial property clients in London needing refurbishment, maintenance and repair work across residential and commercial premises.
Financial Health
StrongStrong · Growing, Hiring · 15% CAGR over 4y
Location
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Financial sub-scores
Computed from 3 filingsSupplies and installs double and triple glazed windows and doors for residential properties, including uPVC and aluminium casement, sash, tilt‑and‑turn and bay windows, as well as patio, bi‑fold,…
Serves homeowners and domestic property owners across Scotland, especially the central belt, seeking replacement windows, doors and glazing, with some support for architects specifying residential…
Financial Health
StableStable · Hiring · 24% CAGR over 2y
Location
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Computed from 3 filingsProvides electrical and mechanical contracting services for residential, commercial and public buildings, including system design, installations and maintenance. Services cover heating and boiler…
Serves commercial, public sector and residential clients, including historic buildings, schools and universities, scientific facilities, museums, healthcare providers, sports and leisure venues, and…
Financial Health
StrongStrong · Profitable, Growing · 0% CAGR over 2y
Location
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Computed from 5 filingsProvides commercial and domestic glazing services including emergency glass replacement, boarding up, and shopfront glazing. Installs and repairs windows, bifold doors, UPVC systems, automatic doors…
Sells to commercial and domestic customers, including retailers, leisure operators, public services, industrial and transport organisations, plus homeowners. Targets buyers needing planned,…
Financial Health
StrongStrong
Location
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Computed from 3 filingsProvides electrical contracting services for residential, commercial and industrial projects, including wiring and electrical installations for new builds, extensions and conversions, and maintenance…
Serves homeowners, contractors, developers, house builders, architects, local authorities and businesses across Somerset and South West England, including education, retail, offices, hospitality,…
Financial Health
StrongStrong · Growing, Hiring · 35% CAGR over 2y
Location
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Computed from 5 filingsProvides fire protection services including fire door installation, repairs and inspections, compartmentation surveys, fire stopping, and fire risk assessments. Installs and maintains fire alarm,…
Serves commercial property owners, facilities managers and building operators, including healthcare centres, cinemas, self-storage sites and residential or mixed-use developments needing compliant…
Financial Health
StrongStrong · Growing, Hiring · 73% CAGR over 4y
Location
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- iCD Energy11977769
Financial sub-scores
Computed from 5 filingsProvides gas and electrical utility services, including installation of EV charging points, gas mains and service connections, gas meters, pressure reduction systems, and electrical safe isolation…
Serves UK homeowners, workplaces and businesses needing EV charging or gas/electric utility infrastructure, including industrial, commercial and domestic customers requiring mains gas connections and…
Financial Health
WeakWeak · 7% CAGR over 2y
Location
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Computed from 5 filingsProvides installation, servicing, maintenance and emergency repair of commercial access systems including automatic doors, roller shutters, sectional doors, fire shutters, shopfronts, gates, barriers…
Serves UK businesses and organisations managing commercial premises, particularly retailers, healthcare providers and facilities management teams responsible for safe, compliant access systems across…
Financial Health
HealthyHealthy · Hiring · 11% CAGR over 4y
Location
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Computed from 5 filingsProvides installation and maintenance of security and fire systems including CCTV, intruder alarms, fire alarms, and access control. Also offers 24/7 CCTV monitoring, manned guarding, event security,…
Serves commercial property owners, facilities managers, event organisers and homeowners, mainly in Norwich and East Anglia, with national coverage for organisations needing monitored site security…
Financial Health
HealthyHealthy · -8% CAGR over 4y
Location
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Computed from 5 filingsProvides electrical contracting services including design, installation and maintenance of electrical systems. Offers EICR inspections, structured cabling, commercial solar installations, EV charging…
Serves businesses, landlords, homeowners and public-sector organisations across South Wales and the UK, including retail, healthcare, education, HMO and commercial property clients.
Financial Health
HealthyHealthy · Hiring · 3% CAGR over 4y
Location
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Computed from 5 filingsProvides electrical contracting services for domestic, commercial and industrial clients, including electrical installations, EICR inspections, lighting systems, distribution board upgrades, EV…
Serves commercial businesses, industrial operators and residential customers, with emphasis on workplaces, factories, offices and facilities in Greater Manchester and clients across the UK.
Financial Health
StableStable · Hiring · 3% CAGR over 4y
Location
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Computed from 5 filingsDesigns, installs, and maintains commercial fire and security systems, including CCTV, intruder alarms, access control, ANPR, and fire alarm systems. Provides monitoring, network infrastructure,…
Serves UK businesses of all sizes, public sector bodies including law enforcement, and residential property owners or managers with commercial, public and residential premises.
Financial Health
StableStable · -66% CAGR over 4y
Location
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Computed from 5 filingsProvides electrical contracting services for residential and commercial properties, including installations, rewiring, fuse box upgrades, lighting installation, electrical inspections (EICR and PAT…
Serves homeowners and commercial organisations of all sizes in Fulham, Chelsea, Kensington and wider West London, including residential property owners and businesses needing planned, emergency and…
Financial Health
WeakWeak · Hiring · 41% CAGR over 4y
Location
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- Swiftclean08733213
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Computed from 5 filingsProvides air and water hygiene services for commercial buildings, including ductwork and ventilation system cleaning, kitchen extract cleaning, fire damper testing, and Legionella risk assessment,…
Serves building and facilities managers across commercial, public and regulated sites, including education, healthcare, social housing, hospitality, retail, transport, leisure, food production and…
Financial Health
WeakWeak · -3% CAGR over 4y
Location
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Computed from 3 filingsProvides damp proofing and property preservation services, including treatment for rising and penetrating damp, condensation control, timber rot and woodworm treatment, basement waterproofing and…
Serves homeowners, landlords, commercial property owners and property professionals across Hertfordshire, Buckinghamshire and London with residential and commercial properties.
Financial Health
DistressedDistressed · -23% CAGR over 2y
Location
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Computed from 3 filingsDesigns, supplies and installs fire safety and security systems for commercial premises, including fire alarms, CCTV, intruder alarms, access control, emergency lighting and disabled refuge systems.…
Serves businesses of all sizes across Leicestershire, Cambridgeshire and the Midlands, including offices, warehouses, factories and other workplace premises across multiple sectors.
Financial Health
StableStable · -2% CAGR over 2y
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Provides commercial and domestic roofing services including installation, repair and maintenance of flat, tiled, slate and metal roofs. Offers box gutter lining, GRP fibreglass roofing, drone roof…
Serves commercial and residential property owners across Somerset and the South West, including businesses with industrial units or large developments, homeowners, and property investors undertaking…
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Computed from 4 filingsProvides asbestos removal and disposal services for domestic and commercial properties. Conducts asbestos surveys, testing and sampling, encapsulation, and decontamination, and manages…
Serves domestic homeowners, commercial property owners, offices, schools, factories, refurbishment and demolition contractors, public sector bodies, local councils and housing associations across the…
Financial Health
StableStable · -3% CAGR over 3y
Location
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Computed from 5 filingsProvides roofing and building services including installation of new roofs, flat and pitched roofing systems, roof repairs, gutter and chimney repairs, lead work, and roof insulation. Also carries…
Serves homeowners and domestic property owners across the North East of England needing property repairs, renovations, extensions, and financed home improvement projects.
Financial Health
StrongStrong · Growing, Hiring · 20% CAGR over 4y
Location
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Computed from 5 filingsProvides contract cleaning and facilities management services for commercial properties, including office, retail and medical cleaning, window and carpet cleaning, waste and grounds management,…
Serves UK businesses and organisations needing facilities support, including offices, retail sites, schools, medical premises, leisure venues, warehouses, industrial sites, property managers and food…
Financial Health
StrongStrong · Growing, Hiring · 11% CAGR over 4y
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Computed from 5 filingsProvides pest control services for domestic and commercial properties, including inspection, eradication and prevention of rodents, insects and birds. Offers treatments such as fumigation, heat…
Serves businesses and households across London, including restaurants, hotels, offices, schools, construction sites, warehouses, property managers, museums, tourist attractions and domestic property…
Financial Health
StableStable · 0% CAGR over 4y
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Computed from 5 filingsProvides electrical installation and compliance services including fixed wire testing (EICR), emergency lighting, fire and carbon monoxide detection, and environmental monitoring. Also designs and…
Serves social housing providers, residential new-build developers, commercial fit-out clients, government bodies and MoD/public-sector estates across the UK.
Financial Health
HealthyHealthy · -45% CAGR over 4y
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Computed from 5 filingsProvides residential energy‑efficiency home improvements, including external, internal, loft and floor insulation installation, roofing works, home renovations and retrofits, extensions and…
Serves homeowners and residential property owners planning energy-efficient home improvements, whole-house retrofits, renovations, extensions, roofing, insulation or damp-related projects.
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HealthyHealthy · 0% CAGR over 4y
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Computed from 3 filingsSupplies and installs garage doors, front and composite entrance doors, and retractable awnings. Offers a range of door types including roller, sectional, up‑and‑over and side‑hinged models, with…
Serves homeowners and residential property owners in the north of England seeking garage doors, front doors, awnings, repairs, spare parts, and related installation services.
Financial Health
WeakWeak · Hiring · 6% CAGR over 2y
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Computed from 4 filingsInstalls loft access and storage solutions for residential properties, including loft ladders, loft hatches, raised loft boarding, and loft insulation. Provides assessment and fitting services to…
Serves residential homeowners across the Home Counties seeking loft access, storage and insulation improvements, including households wanting more usable space, reduced heat loss or safer access to…
Financial Health
DistressedDistressed · -14% CAGR over 3y
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Computed from 4 filingsProvides commercial washroom and hygiene services, including sanitary waste disposal, air fresheners, hand dryers, soap and vending systems. Also supplies janitorial consumables, pest control,…
Serves businesses and organisations in Northern England with commercial premises, including offices, healthcare and dental practices, and sites needing washroom hygiene, waste, pest control and…
Financial Health
HealthyHealthy · -14% CAGR over 3y
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Computed from 3 filingsInstalls and repairs flat roofing systems for domestic and commercial properties, specialising in single‑ply membrane roofs. Also provides conservatory roofs, roof lanterns, skylights, uPVC roofline…
Serves homeowners, commercial property owners, builders and developers, churches, public sector bodies, healthcare, hospitality, industrial, leisure, office, retail and education sites across Essex,…
Financial Health
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Computed from 5 filingsProvides design, installation and maintenance of commercial CCTV and integrated security systems. Services include wireless and thermal cameras, remote site monitoring, ANPR, intruder and fire…
Serves commercial organisations with large sites, including education providers, luxury retail boutiques, prestige buildings, hospitality venues and sporting brands across London and the UK.
Financial Health
HealthyHealthy · Hiring · 4% CAGR over 4y
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Computed from 5 filingsProvides damp and mould inspection and treatment services for residential buildings, including damp surveys, rising damp and condensation solutions, mould removal, damp proofing, basement…
Serves homeowners, landlords, property managers and buyers of London properties, especially owners of period, listed and heritage buildings with damp, mould or restoration concerns.
Financial Health
StableStable · -66% CAGR over 4y
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Computed from 5 filingsProvides cleaning services for ovens, range cookers, AGA and Everhot cookers, hobs, extractors and barbecues. Operates a franchise network offering appliance strip‑down cleaning using specialist…
Serves UK households with domestic ovens, range cookers, AGAs, Everhots and BBQs, alongside property-related customers such as tenants, landlords and letting agents needing end-of-tenancy cleans.
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Computed from 5 filingsDesigns, fabricates, installs and maintains HVAC and mechanical building services systems. Produces packaged plant rooms, pump and heat exchange skids, and provides heating, cooling, refrigeration…
Serves commercial, industrial and public-sector clients nationwide, including data centres, waste-to-energy operators, hotels and leisure venues, education providers, utilities, food manufacturers,…
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StrongStrong · Growing · 1% CAGR over 4y
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Computed from 4 filingsProvides residential and commercial cleaning services including regular home cleaning, deep cleans, Airbnb/short‑stay turnover, carpet, upholstery, mattress and window cleaning, gutter cleaning, and…
Serves busy professionals, families and homeowners across South West London, plus Airbnb and short-let hosts, small offices, schools, nurseries and residential blocks needing regular or one-off…
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Computed from 5 filingsProvides swimming pool design and construction, refurbishment, maintenance and repair for domestic and commercial pools. Supplies and installs liners and covers, and offers leak detection, filter…
Serves domestic and commercial swimming pool owners across the East and West Midlands, including homeowners, national companies, councils, schools and RAF bases.
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Computed from 5 filingsProvides commercial cleaning services for businesses and managed properties, including office, school and communal block cleaning, window cleaning, specialist floor and IT equipment cleaning,…
Serves B2B and public-sector clients across Kent, London and the South East, including offices, schools, retail and hospitality sites, property managers, landlords and managers of communal…
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DistressedDistressed · -3% CAGR over 4y
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Computed from 5 filingsInstalls and replaces steel and aluminium windows and doors for residential properties. Services include steel window replacements, internal steel doors, sliding and bifold doors, partitions,…
Serves homeowners and residential renovators in Surrey and surrounding areas, particularly those with period, Art Deco or Crittall-style properties seeking steel-look window and door projects.
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WeakWeak · 0% CAGR over 3y
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Computed from 4 filingsProvides scaffolding design, installation and access solutions for construction, industrial maintenance and infrastructure projects. Services include scaffold inspection, estimating and consultancy,…
Serves construction firms, industrial operators, infrastructure projects, conservation and restoration clients, and residential property customers needing scaffolding support across Hull and…
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StrongStrong · Hiring · 10% CAGR over 3y
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Computed from 4 filingsProvides installation of industrial and commercial resin flooring systems, including epoxy and polyurethane floors, screeds and coatings. Services include surface preparation, joint sealant…
Serves commercial and industrial property owners, facilities managers and contractors across the UK, including warehouses, factories, showrooms, restaurants, stadiums, schools, hospitals and…
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WeakWeak · 0% CAGR over 4y
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Computed from 5 filingsProvides rental of industrial cooling and heating equipment including chillers, boilers, air conditioning units, heaters and air handling systems. Offers delivery, installation and support for…
Serves B2B and public sector customers, including healthcare, education, data centres, construction, manufacturing, food and beverage, cold chain operators, and facilities, HVAC, M&E and…
Financial Health
StrongStrong · Growing, Hiring · 58% CAGR over 4y
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Computed from 4 filingsProvides landscape gardening and garden renovation services including garden design, planting, lawn installation, fencing, patios, paving, brickwork and driveway construction, as well as tree surgery…
Sells to domestic homeowners and commercial customers seeking landscaping, garden makeovers, tree work, planting, fencing, patios and driveways, with a clear focus on individuals and businesses in…
Financial Health
StrongStrong
Location
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Financial sub-scores
Computed from 4 filingsProvides land and site clearance, vegetation management and commercial tree surgery services. Carries out stump removal, mulching, grounds maintenance and fly‑tipping clearance, and hires…
Serves commercial and institutional clients in central Scotland, including universities and colleges, property factors, facilities management firms, contractors and businesses needing land or…
Financial Health
StrongStrong
Location
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Financial sub-scores
Computed from 3 filingsProvides liquid floor screed installation for domestic and commercial buildings, including self‑levelling flow screed suitable for underfloor heating. Also offers rendering and machine plastering…
Serves domestic and commercial customers in South West England, including homeowners and self-builders on residential projects, plus contractors and developers managing large properties or commercial…
Financial Health
StrongStrong · Growing · 0% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsDesigns, supplies and installs commercial washrooms and toilet facilities. Provides washroom refurbishment, fit‑out and bespoke toilet cubicles, pre‑plumbed IPS units, and project‑managed…
Serves commercial and public-sector organisations across the UK, including schools, offices, leisure centres, hotels and healthcare facilities with washroom refurbishment needs.
Financial Health
HealthyHealthy · Hiring · 11% CAGR over 4y
Location
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How CallRail 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.
CallRail is a trademark of its respective owner. Firmbase is not affiliated with, sponsored by, or endorsed by the trademark owner.
UK Field Services by Analytics
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Frequently asked questions
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