Field Services Companies Using Calendly in the UK: 123 Active Firms (2026)
Field services firms using online scheduling tools coordinate trade appointments and site visits across the UK’s regulated building-services market.
For field-service contractors, an embedded appointment-scheduling tool turns a public website into an intake channel for surveys, repairs, installations and compliance visits. The buying centre is usually owner-management, operations or office administration rather than a formal software procurement team, with marketing input where paid search or local SEO drives enquiries. Engagements tend to be low-friction: a web booking form, diary routing, email reminders and follow-up contact before a quote or site visit. Adoption signals a contractor with enough inbound demand to value calendar discipline, but not necessarily a large systems team; many such users still appear to run lean back-office workflows around standard websites and light CRM processes.
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Across the UK, 123 field-services and trades firms are running this appointment-scheduling tool on their public websites. Reported employment totals 1,576 people, pointing to an adoption base made up mainly of small operating teams rather than enterprise estates. Among appointment-scheduling tools used in this sector, the system ranks first with a 54.4% share of a 226-company denominator. The registered-region skew is not wholly London-centred: London accounts for 21.1%, followed by East of England at 13.8%, Yorkshire and The Humber at 11.4%, South East at 10.6% and South West at 10.6%.
Building-services scheduling sits close to regulated work even when the booking widget itself is ordinary web infrastructure. GOV.UK and Building Safety Regulator guidance attach duties to clients, designers and contractors under amended building regulations, while competent person schemes allow some installers to self-certify work when they meet technical competence requirements. Gas work is narrower: businesses and engineers must be legally registered and meet renewal requirements. For companies running online appointment tools, procurement is therefore less about licence risk than about capturing accurate job details, routing the right operative and handling personal address and access information under GDPR.
Adoption appears likely to remain tied to inbound demand quality rather than broad software replacement cycles. Contractors with household and landlord workflows tend to value fast enquiry capture, while commercial and public-sector work still relies on qualification, accreditation checks and staged site assessment before a booking becomes revenue. The stack may become more bundled into website builds, marketing retainers and trade-management systems, reducing the visibility of stand-alone scheduling choices. Scale-up scarcity in this cohort also suggests a long tail of owner-managed users, where convenience and low administration burden matter more than deep workflow integration.
What’s in the file
One row per company, 50+ columns — everything below plus each company’s verified directors, from Companies House filings.
Company data
Verified directors — included
Adoption by company size
Adoption of Calendly 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 Calendly (84 detected). 0.3% of the 11,382 companies with 10–50 employees run Calendly (36 detected). 0.3% of the 923 companies with over 50 employees run Calendly (3 detected). That is a 0.3% gap between the over 50 employees and under 10 employees bands.
123
Active firms
2026
54.4%
Of detected Appointment scheduling share
UK field services
6
Median headcount
Filed accounts
220
Verified directors
Across this cohort
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Key facts
About 8% of the trading cohort reports turnover above £5M (10 of 123 firms) — the rest sits below that revenue band.
5% of the cohort was incorporated since 2022 (7 firms), so a sizeable share is in its first few filing cycles.
Within 226 field-services firms with a detectable appointment-scheduling system, this tool accounts for 54.4% (123), ahead of the next systems at 15.9% (36) and 9.7% (22).
London is the largest registered-region cluster at 21.1% (26), followed by the East of England at 13.8% (17) and Yorkshire and The Humber at 11.4% (14).
67.5% (83) also show a public content-management system signal, while 54.5% (67) run web analytics and 48.0% (59) run tag management.
Building Safety Regulator guidance for England covers client, designer and contractor duties under the 2023 amendments, with higher-risk buildings including those with at least 7 storeys or at least 18 metres high and 2 residential units or a hospital or care home.
Gas-work businesses and engineers must be on the Gas Safe Register to carry out gas work legally, and registration must be renewed every year.
Appointment scheduling market share among UK Field Services
Share of the 226 UK Field Services with a detectable system. As of June 2026.
What else do Calendly-running Field Services run?
Share of the 123 Calendly-running UK companies where each technology was also detected. As of June 2026.
Where Calendly 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
£563.3K
Median UK turnover
8.1%
Above £5M turnover
7
Incorporated since 2022
Verified directors — included in the file
Director names and roles for these 201 companies, alongside financials and websites, in one Excel + CSV file.
Top UK Field Services using Calendly
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 installation, servicing and repair of domestic heating systems including gas, LPG and oil boilers and heat pumps. Also offers boiler replacements, off‑grid heating systems, maintenance…
Serves UK homeowners and domestic property owners needing gas, LPG, oil or heat pump heating support, including off-grid households seeking new systems, servicing or repairs.
Financial Health
HealthyHealthy · Hiring · 43% CAGR over 5y
Location
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Computed from 3 filingsProvides plumbing, heating and electrical services including boiler installation, servicing and repair, central heating systems, air conditioning, heat pumps, solar PV and battery storage, EV charger…
Serves homeowners and commercial businesses across Cheshire and the North West, including Warrington, Manchester, Liverpool and surrounding areas, needing plumbing, heating, electrical and energy…
Financial Health
HealthyHealthy · Hiring · 33% CAGR over 2y
Location
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Computed from 5 filingsProvides domestic and commercial drainage services including unblocking drains, toilets and sinks, drain cleaning, CCTV drain surveys, pipe lining and repairs, sewer clearance, pump servicing, and…
Serves homeowners and property buyers, plus commercial clients including care homes, schools and colleges, housing associations, facilities and block managers, hospitality venues and construction…
Financial Health
HealthyHealthy · Hiring · 3% CAGR over 4y
Location
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Computed from 5 filingsProvides electrical compliance testing, inspection and maintenance for high‑ and low‑voltage electrical systems. Offers building electrical diagnostics, EICR testing and non‑disruptive monitoring…
Serves building owners, occupiers and facilities management companies across the UK, particularly organisations with complex or critical sites such as hospitals, hotels, offices and infrastructure…
Financial Health
StrongStrong · Hiring · 11% CAGR over 4y
Location
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Computed from 3 filingsProvides installation, repair and maintenance of commercial and residential gas, oil, heating and plumbing systems. Services include boiler system installation, mechanical plant maintenance, EPC…
Serves domestic and commercial clients across Yorkshire and the UK, including residential and social housing providers, retailers, education organisations, manufacturers and sheltered housing…
Financial Health
StrongStrong · Growing, Hiring · 19% CAGR over 2y
Location
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Computed from 5 filingsProvides plumbing and heating services for domestic and commercial properties, including boiler installation, servicing and repair, central heating and underfloor heating systems, gas safety…
Serves a mix of B2C and B2B customers across Yorkshire, including homeowners, landlords, and businesses with domestic or commercial properties needing plumbing, heating, gas safety and related…
Financial Health
StrongStrong · Hiring · 32% CAGR over 4y
Location
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Computed from 4 filingsInstalls renewable energy systems including solar PV panels, battery storage, air source heat pumps, EV charging points and solar carports for homes and businesses. Provides system design, site…
Serves homeowners and businesses across England, Scotland and Wales seeking renewable energy upgrades, including households using finance or grants and property owners adding EV charging or storage.
Financial Health
StrongStrong
Location
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Computed from 3 filingsProvides plumbing, heating and gas services including installation, servicing and repair of gas, LPG and oil boilers and appliances. Also carries out general plumbing repairs and kitchen and bathroom…
Serves local homeowners, landlords and small businesses across Goole and nearby East Yorkshire towns, including Selby, Howden, Gilberdyke, North Cave and South Cave.
Financial Health
HealthyHealthy · Hiring · 15% CAGR over 2y
Location
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Computed from 5 filingsProvides heating, plumbing and electrical engineering services including boiler installation and servicing, system maintenance, bathroom design and installation, and renewable energy systems such as…
Serves homeowners, landlords and businesses across the Cotswolds and surrounding areas that need property maintenance, upgrades or installations for heating, plumbing, electrical and renewable…
Financial Health
HealthyHealthy · Growing, Hiring · 2% CAGR over 5y
Location
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Computed from 3 filingsProvides gas, heating and plumbing services including boiler installation, servicing and repair, central heating installation and maintenance, emergency plumbing, power flushing, smart thermostat…
Serves homeowners, landlords and domestic property customers in Harlow, Essex and nearby Hertfordshire/London areas, including Bishop’s Stortford, Epping, Stansted, Hoddesdon and Ware.
Financial Health
StableStable · Hiring · 15% CAGR over 2y
Location
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Computed from 5 filingsProvides plumbing and heating services including boiler installation, repair and servicing, central heating system installation, and general plumbing maintenance such as leak and tap repairs. Also…
Serves homeowners and residential customers in Sheffield, Rotherham and wider South Yorkshire, from small household maintenance needs to full home installation projects.
Financial Health
StableStable · Hiring · 44% CAGR over 4y
Location
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Computed from 3 filingsDesigns and installs solar panel systems, battery storage and energy management solutions for residential, commercial and public-sector buildings. Provides system design, installation and integration…
Serves UK homeowners, commercial property owners, new-build developers and public-sector facility managers.
Financial Health
HealthyHealthy · Hiring · 97% CAGR over 3y
Location
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Computed from 4 filingsInstalls and services residential energy and heating systems, including air source and ground source heat pumps, solar PV and solar thermal systems, boilers, air conditioning, and electric heating.…
Sells mainly to UK homeowners and residential property renovators seeking low-carbon heating, solar, insulation, boilers and bathroom installations, and also serves commercial clients and new-build…
Financial Health
StableStable · Hiring · 14% CAGR over 3y
Location
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Computed from 5 filingsDesigns, installs and maintains air conditioning and refrigeration systems for residential and commercial properties. Provides HVAC servicing, repairs, preventative maintenance and emergency…
Serves homeowners and businesses across the UK, including retail, hospitality, hotel, restaurant, office, education and healthcare organisations, with support for multi-site brands and maintenance…
Financial Health
HealthyHealthy · -69% CAGR over 4y
Location
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Computed from 3 filingsManufactures and installs made-to-measure uPVC and aluminium windows, doors and conservatories for residential properties. Also supplies bifold and sliding doors, heritage window systems, internal…
Serves homeowners in the East Midlands and South Yorkshire, especially Derbyshire, Nottinghamshire and South Yorkshire, looking for made-to-measure windows, doors, conservatories and related home…
Financial Health
StableStable · Hiring · 63% CAGR over 2y
Location
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Computed from 4 filingsProvides installation and maintenance of renewable energy and electrical systems including solar panels, battery storage, heat pumps, EV charging infrastructure and smart metering. Also delivers…
Serves UK homeowners and businesses seeking renewable energy installations, plus commercial clients needing metering, smart services, and public or private EV charging infrastructure.
Financial Health
StableStable · Profitable, Hiring · 21% CAGR over 3y
Location
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Computed from 4 filingsProvides domestic plumbing and heating services, including boiler installation, repair and servicing, central heating system installation and maintenance, emergency plumbing repairs, bathroom…
Serves domestic customers, homeowners and residential landlords in London and Hertfordshire, including households needing emergency or planned plumbing/heating support and landlords requiring gas…
Financial Health
HealthyHealthy · -14% CAGR over 3y
Location
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Computed from 5 filingsProvides plumbing, heating and electrical services for domestic and commercial properties, including boiler work, gas services and emergency leak repairs. Installs renewable energy systems such as…
Serves homeowners, landlords and commercial clients in London, Surrey, Kent and Sussex, plus UK energy providers, councils and housing associations involved in decarbonisation programmes.
Financial Health
HealthyHealthy · -5% CAGR over 4y
Location
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Computed from 5 filingsSupplies and installs residential windows, doors and glazing systems, including aluminium-clad, timber and sash windows, sliding and bifold doors, secondary glazing and rooflights, for new-build and…
Serves homeowners, self-builders and residential renovators across Devon, Cornwall and the South West, particularly customers upgrading or specifying glazing for homes, new builds and renovation…
Financial Health
HealthyHealthy · 1% CAGR over 4y
Location
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Computed from 4 filingsDesigns and installs renewable heating and energy systems for residential and commercial buildings, including air and ground source heat pumps, underfloor heating, solar panels, battery storage and…
Serves both commercial property clients and residential homeowners seeking low-carbon heating, solar/battery storage, underfloor heating, MVHR, energy surveys, servicing and maintenance.
Financial Health
HealthyHealthy · Hiring · 11% CAGR over 4y
Location
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Computed from 5 filingsProvides commercial glazing and façade maintenance services, including glass installation, inspections and condition surveys, façade refurbishment, leak investigations, emergency glazing repairs, and…
Serves facilities managers, building owners and property managers responsible for commercial properties with glass façades, glazed roofs, shopfronts or automated doors, mainly across London and the…
Financial Health
StrongStrong · Growing, Hiring · 4% CAGR over 4y
Location
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Computed from 5 filingsProvides electrical contracting services primarily for the domestic sector, including responsive repair callouts, electrical maintenance, and full property rewiring. Employs qualified electricians to…
Serves domestic-sector contract clients managing tenant homes, including landlords and property managers, predominantly in the Midlands with capacity for UK-wide contracts.
Financial Health
StableStable · -6% CAGR over 4y
Location
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Computed from 3 filingsProvides design, installation and management of electric vehicle charging infrastructure for multi‑dwelling residential developments, including apartment blocks, new builds and housing association…
Serves B2B customers managing multi-dwelling residential properties, including housing associations, property developers, freeholders, care and retirement village operators, and estate managers…
Financial Health
StableStable · Hiring · 73% CAGR over 2y
Location
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Computed from 5 filingsProvides design and installation of solar photovoltaic systems, battery energy storage and electric vehicle charging points for residential and commercial properties, including solar roofs,…
Serves UK homeowners and businesses seeking residential or commercial renewable energy upgrades, including solar, battery storage and EV charging.
Financial Health
StableStable · -66% CAGR over 4y
Location
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Computed from 5 filingsInstalls, repairs, and maintains accessibility and service lifts for residential and commercial buildings. Products include stairlifts, home lifts, platform lifts, goods lifts, dumbwaiters, and…
Serves homeowners and end users with impaired mobility, local authorities, and commercial premises needing disabled/public access or goods/service lift solutions across Dartford, Bexley, Kent and…
Financial Health
StrongStrong · Growing, Hiring · 46% CAGR over 4y
Location
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Computed from 5 filingsProvides domestic plumbing and heating services including installation, repair and maintenance of water systems, boilers and heating equipment. Also carries out bathroom installations, radiator…
Serves homeowners and residential clients in South Hams, including Kingsbridge, Salcombe, Dartmouth and surrounding villages, needing local plumbing, heating, boiler and bathroom support.
Financial Health
StrongStrong · Hiring · 19% CAGR over 4y
Location
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Computed from 5 filingsInstalls residential energy efficiency and renewable systems, including solar panels, battery storage, air source heat pumps, boilers, and cavity wall and loft insulation. Provides home energy…
Serves homeowners and residential property owners seeking financed or grant-supported domestic energy efficiency and renewable energy upgrades.
Financial Health
StrongStrong
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Computed from 5 filingsProvides plumbing and heating services for residential and commercial properties, including boiler installation, servicing and repairs, radiator repairs, emergency heating callouts, landlord gas…
Serves homeowners, landlords, letting agents and local businesses needing plumbing and heating support in Stafford, Stone, Uttoxeter and surrounding West Midlands areas.
Financial Health
HealthyHealthy · Hiring · 10% CAGR over 4y
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Computed from 5 filingsInstalls residential renewable energy systems including solar panels, battery storage, air source heat pumps and electric vehicle chargers. Provides home energy assessments, system design, quotations…
Serves homeowners and residential property owners in England and Wales seeking domestic renewable energy upgrades, including households assessing eligibility for heat pump grants, solar, battery…
Financial Health
StrongStrong · Hiring · 3% CAGR over 5y
Location
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Computed from 5 filingsInstalls solar photovoltaic (PV) systems for residential and commercial properties, including panels, inverters and battery storage. Provides system design, installation, upgrades and monitoring…
Serves homeowners, existing solar PV owners and businesses across Cornwall, Devon, Bristol and the South West that are evaluating home or commercial solar and battery storage.
Financial Health
StrongStrong · Growing, Hiring · 21% CAGR over 4y
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Computed from 3 filingsProvides electrical contracting services including installation, refurbishment, testing and maintenance of electrical systems for residential, commercial and industrial properties. Also installs…
Serves homeowners, developers and business owners, plus commercial and industrial clients in hospitality, leisure, healthcare, retail and refurbishment sectors across East Anglia and the wider UK.
Financial Health
StrongStrong · Growing, Hiring · 13% CAGR over 2y
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Computed from 5 filingsProvides commercial and residential property maintenance services including building refurbishment, reactive and planned maintenance, facilities management, office and window cleaning, waste removal…
Serves retail and commercial property owners/managers, facilities teams and private residential clients across South East London and Kent, including those responsible for vacant, tenanted or…
Financial Health
WeakWeak · 0% CAGR over 4y
Location
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Computed from 5 filingsProvides residential painting services including interior and exterior painting, surface preparation and colour consultation, and offers project estimates and booking for home painting and repainting…
Serves homeowners seeking residential painting services and project estimates for home improvement or room refresh projects.
Financial Health
StrongStrong · Hiring · 28% CAGR over 5y
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Computed from 3 filingsInstalls solar photovoltaic systems, electric vehicle charging points, and electrical consumer units for residential and commercial properties. Provides system design, supply, and installation of EV…
Serves UK homeowners, families and business premises looking to reduce energy costs, adopt clean energy and upgrade electrics, with a strong emphasis on domestic customers.
Financial Health
StrongStrong · Hiring · 58% CAGR over 2y
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Computed from 5 filingsDesigns, installs, commissions and maintains fire and security systems for residential and commercial properties. Services include intruder alarms, CCTV systems, fire alarm and detection systems,…
Serves homeowners and commercial premises across Northern Ireland towns including Belfast, Bangor, Lisburn and Newtownards, with buyers including property owners, clinics and businesses needing fire…
Financial Health
HealthyHealthy · 0% CAGR over 4y
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Computed from 5 filingsDesigns, fabricates and installs stone surfaces including granite, quartz, marble and porcelain kitchen worktops, bathroom surfaces and feature walls. Provides templating, material selection and…
Serves homeowners and residential renovation customers planning kitchen, bathroom or interior stonework projects, from small upgrades to larger home refurbishments.
Financial Health
StableStable · -13% CAGR over 4y
Location
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Computed from 5 filingsProvides residential loft improvement and storage installation services, including loft boarding and flooring, ladder and hatch installation, insulation, lighting, and removal of stored items. Also…
Serves homeowners seeking to make residential lofts usable for storage, improve access and insulation, and declutter living space. Targets household customers rather than commercial or public-sector…
Financial Health
WeakWeak · 0% CAGR over 4y
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Computed from 5 filingsProvides commercial plumbing and mechanical services, including installation of kitchen teapoints, toilets and washrooms, under‑sink water heaters, and pumped waste systems. Also installs HVRF hot…
Serves commercial property clients across London, including corporate offices, hotels, retail units, cultural spaces, listed buildings and multi-use developments, as well as facilities managers and…
Financial Health
StrongStrong · Growing · 0% CAGR over 4y
Location
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Computed from 3 filingsProvides fencing contracting services including installation of perimeter fencing systems, timber and acoustic fencing, site hoarding and temporary fencing, street furniture, and automated gates and…
Serves private and public sector organisations across the UK, including education providers, commercial and industrial sites, retailers, sports and leisure venues, and health and social care…
Financial Health
HealthyHealthy · -10% CAGR over 2y
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Computed from 5 filingsProvides engineering services for the management, testing and assurance of Local Exhaust Ventilation (LEV) systems, helping organisations monitor, document and maintain workplace exposure control and…
Serves B2B and organisational dutyholders responsible for workplace exposure control, especially sites using Local Exhaust Ventilation that need accountable evidence for regulatory, legal, and…
Financial Health
HealthyHealthy · -50% CAGR over 5y
Location
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Computed from 4 filingsManufactures and installs double‑glazed windows, doors and conservatories for residential properties. Supplies uPVC and aluminium window systems, sliding sash and casement windows, patio and bifold…
Serves homeowners in Bristol, Clevedon, Bognor Regis, Eastleigh and the South West seeking windows, doors, conservatories and home extensions, with some resources for architects and installer network…
Financial Health
WeakWeak · -78% CAGR over 3y
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Computed from 3 filingsProvides mould remediation and treatment services for residential and commercial properties, including property surveys to diagnose damp and mould causes, cleaning and sterilisation, application of…
Serves homeowners, landlords, commercial property owners and local authority housing customers across the UK, with emphasis on residential houses, flats and apartments in London.
Financial Health
StableStable · 0% CAGR over 2y
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Computed from 5 filingsProvides electrical and mechanical engineering services alongside data and IT infrastructure installation and support. Delivers building services including system installation, maintenance and…
Serves UK businesses and organisations needing building services support, including electrical, mechanical, data and IT, and maintenance buyers across commercial facilities and projects.
Financial Health
HealthyHealthy · -68% CAGR over 4y
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Computed from 5 filingsDesigns, installs and maintains private and commercial swimming pools and pool plant rooms. Provides water treatment systems, filtration equipment, chemical supply, leak detection, pool refurbishment…
Serves UK homeowners seeking private or luxury pools, commercial pool operators such as hotels, spas, leisure centres and health clubs, plus agricultural, food, dairy and municipal water users.
Financial Health
StrongStrong · Growing, Hiring · 6% CAGR over 5y
Location
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Computed from 4 filingsManufactures bespoke timber sash and casement windows and hardwood doors, with services including repair, restoration, refurbishment and installation. Specialises in heritage joinery for period and…
Serves homeowners and property managers responsible for listed, period and historic buildings, mainly residential properties but also working environments requiring heritage-sensitive timber joinery.
Financial Health
StrongStrong
Location
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Computed from 5 filingsProvides electrical contracting services including installations, upgrades, inspection and testing, fault finding and maintenance. Also designs and installs solar PV and battery systems, structured…
Serves homeowners, businesses, facilities managers, contractors and industrial sites in Hertfordshire and surrounding counties, covering domestic, commercial and industrial customers needing…
Financial Health
StableStable · 0% CAGR over 4y
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Provides maintenance and refurbishment services for commercial spaces and office units, including repairs, partitioning, flooring, lighting installation and ongoing facilities maintenance, with…
Serves businesses, site managers and facilities teams responsible for commercial spaces, serviced offices and office units, primarily those needing planned or reactive workplace upkeep.
Financial Health
N/AN/A
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Computed from 3 filingsProvides commercial cleaning and soft facilities management services, including contract cleaning, healthcare‑compliant cleaning, window and high‑level cleaning, floor maintenance, washroom hygiene,…
Serves UK businesses and organisations needing soft facilities management, including healthcare providers, offices, manufacturers, warehouses, retailers, hospitality venues, charities, automotive…
Financial Health
StableStable · -91% CAGR over 2y
Location
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Financial sub-scores
Computed from 3 filingsInstalls domestic heating and insulation systems, including boilers, cavity wall, loft, internal wall and underfloor insulation. Assesses eligibility for government-backed ECO grants and arranges…
Serves UK homeowners and families seeking ECO-funded boiler and insulation support, particularly households with low EPC ratings, inefficient heating systems, lower incomes or means-tested benefits…
Financial Health
HealthyHealthy · Hiring · 63% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsSupplies and installs residential glazing and home improvement products including windows, doors, conservatories, orangeries, porches and roofline systems. Also provides design and construction of…
Sells to homeowners and residential property owners seeking windows, doors, conservatories, orangeries, porches and home extensions, particularly in the West Midlands, Staffordshire and Shropshire.
Financial Health
HealthyHealthy · -64% CAGR over 4y
Location
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How Calendly 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.
Calendly 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 Calendly?
What share of UK field services companies run Calendly?
How is Calendly usage detected?
What size field services companies use Calendly in the UK?
What do Calendly-running field services companies also run?
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