Turn this list into pipeline.
Access Control Companies in the UK: 5,700+ Active Firms (2026)
Access control companies design, install and maintain physical and electronic security systems for UK sites.
Buying centres usually sit with facilities, estates, security and IT teams, with procurement involved where sites are dispersed or public-sector owned. Contracts tend to combine design advice, hardware supply, installation, planned maintenance, emergency response and monitoring hand-offs, so the commercial relationship often looks more like a service agreement than a one-off install. Buyers range from mid-market property groups and logistics operators to schools, hospitals, local authorities and business parks. Engagement scale varies from site-level upgrades to portfolio call-offs, with compliance, uptime and audit trails mattering as much as door hardware.
Read more
The UK cohort contains 5,701 actively trading access-control and security-systems firms, leaving a long tail of regional installers alongside service providers with national contracts. Reported headcount across the cohort is 8,118 people, so employment is visible but concentrated in operators that combine installation teams, monitoring staff and contract management. The shape is consistent with a market where small specialists win local work, while larger providers are pulled into facilities-management frameworks, multi-site property estates and regulated guarding-adjacent services.
SIA licensing turns on the activity being supplied under contract rather than access-control installation as a category. Manned guarding, key holding, public-space CCTV monitoring and security guarding can bring front-line licensing into scope, and directors or managers may need non-front-line licences where their business supplies licensable operatives. The British Security Industry Association’s access and asset-protection grouping covers manufacturers, suppliers and installers of physical protection and electronic access-control systems. Data protection also sits close to the operating model: ICO guidance treats biometric recognition used to identify a person as processing personal information, biometric data and special-category biometric data under GDPR.
Fragmentation appears likely to persist, because local installation knowledge, response times and maintenance relationships still matter to buyers. Scale-up pressure tends to come from managed monitoring, public-sector procurement requirements and facilities-management partnerships, where accreditation, auditability and staff vetting are harder for small operators to absorb. The more exposed firms are those selling only installation labour without recurring maintenance or monitoring contracts. Consolidation has been most plausible where buyers want a clearly accountable supplier across estates, but activity-specific licensing and data-protection duties may keep the market more disciplined than speculative.
5,701
Active firms
2026
148
Over £5M turnover
1,197
Incorporated since 2022
Key facts
About 2% of the trading cohort reports turnover above £5M (148 of 5,701 firms) — the rest sits below that revenue band.
20% of the cohort was incorporated since 2022 (1,197 firms), so a sizeable share is in its first few filing cycles.
The Security Industry Authority regulates contracted private-security work where licensable activities include manned guarding, key holding, public-space CCTV monitoring and security guarding.
Access-control installation is activity-specific rather than subject to a single blanket installer licence, with SIA licensing triggered by the services supplied.
ICO guidance treats biometric recognition systems as processing personal information, biometric data and special-category biometric data when used to uniquely identify someone.
The UK accounted for 4.9% of global access-control revenue in 2024, while Europe accounted for 25.5%.
UK access-control revenue is forecast to grow at an 8.1% CAGR from 2025 to 2030, compared with 7.6% for Europe over the same period.
Top UK access control companies
Lodge Security Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides security services for businesses, particularly retail, including manned guarding, mobile patrols, keyholding and alarm response. Installs and monitors security systems such as CCTV, alarms,…
Serves businesses with multi-site security needs, especially retail operators, corporate sites and distribution/logistics organisations, across the UK, Ireland and South Africa.
Financial Health
StrongStrong · Profitable, Growing, Hiring · 17% CAGR over 4y
Location
Lodge Service International Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides security services including manned guarding, mobile patrols, keyholding and alarm response. Installs and monitors business security systems such as CCTV, alarms, access control and fire…
Serves B2B organisations across the UK, Ireland and South Africa, including retailers, corporate sites and healthcare distribution businesses, with buyers such as operations, facilities, security and…
Financial Health
StrongStrong · Profitable, Hiring · 18% CAGR over 4y
Location
SECURE WAIS (UK) LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns, installs and maintains integrated security systems for commercial properties, including biometric identification, access control, intruder alarms, CCTV, remote monitoring and fire detection…
Serves high-profile commercial clients, property owners and portfolio managers with multi-site assets worldwide, including organisations requiring support in the City and West End of London.
Financial Health
StableStable · -2% CAGR over 4y
Location
Plexus Fire & Security Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns, installs and maintains fire and security systems for commercial and public sector sites, including fire alarms, CCTV, access control, intruder alarms, intercoms, barriers and gates. Also…
Serves businesses of all sizes, public and third-sector organisations, and residential property clients across defence, education, facilities management, healthcare, hotels and leisure, industrial…
Financial Health
StrongStrong · Growing, Hiring · 25% CAGR over 4y
Location
Integrated Visual Protection Ltd
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsDesigns, installs and maintains fire alarm and electronic security systems, including CCTV, intruder alarms, access control and PAVA systems. Provides alarm monitoring through an alarm receiving…
Serves UK commercial organisations, including blue-chip clients, plus trade customers and high-net-worth security users seeking fire, security, monitoring, guarding and consultancy support.
Financial Health
HealthyHealthy · Hiring · 7% CAGR over 3y
Location
Secur-IT Integrated Services Ltd
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides security and fire safety services including manned guarding, alarm response, CCTV and access control systems. Designs, installs, monitors and maintains intruder alarms, fire alarms,…
Serves UK businesses, property operators and public-sector organisations across construction, retail, manufacturing, utilities, facilities management, leisure, education and healthcare.
Financial Health
DistressedDistressed · -30% CAGR over 2y
Location
Lodge Service Technical Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides integrated security services including security guarding, CCTV and alarm systems installation and maintenance, access control and fire systems, with 24/7 remote monitoring, mobile patrols,…
Serves businesses and organisations across the UK, Ireland and South Africa, including retail, corporate and healthcare distribution operations with multi-site security, risk and facilities…
Financial Health
StrongStrong · Profitable
Location
ATEC SECURITY LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns, installs and maintains electronic security systems for commercial and public sector clients, including access control, CCTV and video surveillance, ANPR, perimeter protection, thermal…
Serves businesses and public-sector organisations across airports, borders, corporate sites, education, finance, government, healthcare, property development, transport infrastructure, manufacturing,…
Financial Health
HealthyHealthy · Growing, Hiring · 3% CAGR over 4y
Location
CBS Security & Remote Monitoring Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides design, installation and maintenance of electronic security systems including CCTV, intruder alarms, fire alarms, access control and door entry. Also supplies security guarding, key holding,…
Serves B2B industrial and commercial organisations, including industrial parks, business premises, schools and academies needing onsite security personnel, keyholding or monitored site protection.
Financial Health
StrongStrong · Growing, Hiring · 4% CAGR over 4y
Location
GOUGH & KELLY GROUP LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides security services including installation and monitoring of CCTV, access control and intruder alarm systems, and fire and electrical safety systems. Also supplies manned guarding, concierge…
Serves large and small organisations across the north of England, including businesses, estates, facilities teams and event organisers needing outsourced security support.
Financial Health
HealthyHealthy
Location
Total Security protection Limited
Trajectory
2y · 2023–NowFinancial sub-scores
Computed from 2 filingsProvides design, installation and maintenance of enterprise security systems, including access control, CCTV and integrated security platforms. Delivers system integration, cards and accessories, and…
Serves enterprise and public-sector organisations, including data centres, banks and financial institutions, government and high-security sites, critical national infrastructure operators, and…
Financial Health
StrongStrong · Growing, Hiring · 19% CAGR over 1y
Location
SCUTUM UK LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns, installs and maintains fire protection and security systems, including fire detection and alarm systems, fire suppression, CCTV, access control, intruder alarms and emergency lighting.…
Serves UK organisations and SMEs across broadcast/media, defence, education, finance/data centres, food and beverage, healthcare, hospitality, industrial, retail/logistics, utilities and transport…
Financial Health
StableStable · -65% CAGR over 4y
Location
CRIME & FIRE DEFENCE SYSTEMS LTD
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDesigns, installs and maintains integrated security systems including perimeter and electrified fencing, intruder detection, CCTV surveillance, access control, and control room monitoring. Provides…
Serves public-sector and enterprise owners/operators of critical national infrastructure, defence estates, utilities, data centres and other high-security or space-constrained sites across the UK and…
Financial Health
StableStable · -89% CAGR over 2y
Location
DSSL Group Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns, installs and maintains integrated security and life safety systems, including CCTV and video surveillance, access control, automated gates and doors, fire detection and alarm systems,…
Serves UK commercial, public sector and critical infrastructure organisations, including corporate real estate, education, hotels, local authorities and housing, luxury residential, pharmaceuticals,…
Financial Health
StrongStrong · Growing, Hiring · 37% CAGR over 4y
Location
Dacha SSI Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDesigns, installs and supports electronic security systems for businesses and public sector organisations, including CCTV surveillance, access control, intruder alarms, security analytics and control…
Serves businesses and public-sector organisations in healthcare, education, industrial, leisure, utilities and commercial property, particularly operators of multi-site premises needing tailored…
Financial Health
StrongStrong · Growing, Hiring · 16% CAGR over 2y
Location
Astra Security Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns, installs and maintains integrated security systems for commercial clients, including access control, CCTV, remote video monitoring, facial recognition, thermal screening and body‑worn video…
Serves B2B and institutional clients across the UK, Republic of Ireland and parts of Europe, including major high street retailers, banks, sports clubs and schools.
Financial Health
StrongStrong · -3% CAGR over 4y
Location
Alarm Response & Keyholding Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides security services including keyholding and alarm response, CCTV and alarm monitoring, manned guarding, mobile patrols, vacant property inspections, access control systems, and temporary CCTV…
Serves UK commercial and residential property owners, from single-site customers to multi-site organisations, including businesses needing security support for occupied, vacant, self-storage or…
Financial Health
StableStable · Hiring · 22% CAGR over 4y
Location
DMS CCTV CONTROL LIMITED
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides security systems and monitoring services, including CCTV installation and remote monitoring, biometric access control, mobile CCTV towers and site security solutions for construction and…
Serves B2B and public sector clients, especially construction companies, retail sites, commercial premises and organisations with remote, temporary or multi-location sites across the UK.
Financial Health
HealthyHealthy · Hiring · 10% CAGR over 2y
Location
SECURIT GROUP LIMITED
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides security and fire safety services including manned guarding, alarm response and remote monitoring. Designs, installs and maintains intruder alarms, CCTV, access control and fire protection…
Serves UK businesses and public-sector organisations managing properties and sites, including construction, retail, manufacturing, utilities, facilities management, leisure, education and healthcare…
Financial Health
HealthyHealthy · -44% CAGR over 2y
Location
CONSTANT SECURITY SERVICES LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides security services including manned guarding, mobile patrols, event security, CCTV remote monitoring, security surveying, drone surveillance, electronic and physical security systems, and…
Serves UK businesses and public sector organisations, including commercial site operators, critical infrastructure, distribution, education, manufacturing, healthcare, research and technology, and…
Financial Health
StableStable · -63% CAGR over 4y
Location
MARPOL SECURITY LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides commercial security services including manned guarding, mobile patrols, CCTV installation and remote monitoring, alarm response, keyholding, vacant property inspections, and guard dog units.…
Sells to businesses and organisations needing security for premises and sites, especially in construction, corporate offices, retail, hospitality, car parks, vacant properties, insolvency cases and…
Financial Health
StrongStrong · Growing, Hiring · 244% CAGR over 4y
Location
LJB Security Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsInstalls, maintains and monitors integrated security systems including CCTV, intruder alarms, fire alarms, access control and door entry systems. Also supplies and integrates car park revenue and…
Serves businesses, organisations and private clients needing site security, including banks, hotel chains, warehouses, offices, industrial sites, retailers, car parks, high-rise residential…
Financial Health
HealthyHealthy · Hiring · 4% CAGR over 4y
Location
ADELAR FACILITIES MANAGEMENT LTD
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsProvides security and fire safety services for commercial and public sector premises, including manned guarding, door supervision, mobile patrols, key holding and alarm response, CCTV and intruder…
Serves UK businesses and public-sector organisations, including construction sites, retail premises, manufacturers, local government bodies and educational institutions.
Financial Health
StableStable · Hiring · 107% CAGR over 1y
Location
H S Security Services Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides installation, maintenance and support for security and fire protection systems for residential and commercial properties, including CCTV, intruder and panic alarms, fire alarms, access…
Serves UK homeowners and business customers, including commercial and industrial premises, sites with staff and assets to secure, and organisations requiring key holding, guarding or mobile patrol…
Financial Health
StableStable · -10% CAGR over 4y
Location
MINERVA FIRE & SECURITY LTD
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDesigns, installs, maintains and monitors fire and security systems for commercial premises, including intruder alarms, IP CCTV, fire detection systems and physical or cloud-based access control, and…
Serves businesses and public-sector organisations in London and the South East, including offices, multi-tenant premises, finance, healthcare, government, hotels, residential developments and retail…
Financial Health
StableStable · Hiring · 12% CAGR over 2y
Location
UNIQUE INTEGRATED SYSTEMS LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDesigns, installs and maintains electronic security systems including CCTV, intruder alarms, access control and fire safety systems. Also provides integrated security solutions, key holding, gates…
Serves businesses, schools and other organisations needing site security, from single-site installations to multi-site maintenance contracts, including clients with disabled access compliance…
Financial Health
StableStable · -2% CAGR over 2y
Location
CRS Communications Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns, installs and maintains security and access control systems for commercial and public sector sites, including door entry systems, CCTV surveillance, automated gates, burglar alarms and fire…
Serves public and private sector organisations across the UK, including building owners and facilities teams needing security, access control, fire/electrical and emergency call-out support.
Financial Health
StrongStrong · Growing, Hiring · 6% CAGR over 4y
Location
D J Byers Security Solutions Limited
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides design, installation and maintenance of commercial security systems, including CCTV, access control, fire detection, automated gates and barriers, visitor management systems, and offsite…
Serves UK businesses with single-site or multi-site premises, targeting commercial organisations and facilities/property teams needing to protect staff, assets and controlled entry points.
Financial Health
StableStable · -3% CAGR over 2y
Location
AlertSystems Group Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsDesigns, installs and maintains commercial electronic security systems, including CCTV, access control, intruder alarms, fire detection and alarm systems. Also provides monitoring, servicing,…
Serves businesses and organisations across the UK seeking commercial security and fire systems, including facilities, estates and operations teams responsible for premises protection.
Financial Health
StableStable · Profitable · -0% CAGR over 5y
Location
SCUTUM UK & IRELAND LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides design, supply, installation, commissioning and maintenance of fire detection, fire suppression and security systems, including CCTV, access control and intruder alarms. Also offers remote…
Serves UK organisations and SMEs across broadcast/media, defence, education, financial services, data centres, food and beverage, healthcare, hospitality, industrial, retail, logistics, utilities and…
Financial Health
StableStable · -39% CAGR over 4y
Location
BAYDALE CONTROL SYSTEMS LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsDesigns, installs and maintains electronic security and safety systems including CCTV, access control, fire alarms, door entry and concierge systems. Provides commissioning, maintenance and support…
Serves public sector bodies and corporate clients across the UK, particularly organisations with site security, fire safety and building access requirements across multiple sectors.
Financial Health
StableStable · -60% CAGR over 5y
Location
LINK INTEGRATED SECURITY SOLUTIONS LIMITED
Trajectory
4y · 2023–NowFinancial sub-scores
Computed from 4 filingsDesigns, installs and supports integrated electronic security and safety systems for businesses, including CCTV, intruder alarms, fire detection, access control, security fogging, monitoring…
Serves B2B customers needing site security and staff safety, including retailers, betting shops, bingo operators, leisure and entertainment venues, and other commercial premises with frontline or…
Financial Health
StrongStrong · Growing · 2% CAGR over 3y
Location
Vision On Security Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides security services including manned guarding, mobile patrols and event security. Installs and maintains electronic security systems such as CCTV and alarms, and offers key holding and patrol…
Serves UK businesses, institutions, property managers and event organisers needing security support for premises, venues and assets, including clients requiring static sites, mobile coverage or event…
Financial Health
StrongStrong
Location
EVOLUTION (ELECTRONIC SECURITY SYSTEMS) LTD.
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsProvides design, supply, installation and maintenance of electronic security and life safety systems, including fire detection, CCTV and access control. Also conducts risk assessments, system…
Serves UK, European and international organisations with multi-site security needs, including banking, commercial real estate, data centres, defence and government, education, healthcare,…
Financial Health
StableStable · Hiring · 12% CAGR over 1y
Location
T2 SECURITY LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsDesigns, installs and maintains electronic security systems for commercial and public sector sites, including IP CCTV surveillance and access control systems. Provides site surveys, system…
Serves UK commercial and public-sector organisations, including offices, schools, healthcare sites, retailers, car dealerships, haulage yards and construction companies needing security systems for…
Financial Health
HealthyHealthy · Hiring · 10% CAGR over 3y
Location
Eclipse Digital Solutions Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides design, installation and maintenance of integrated security systems including access control, CCTV, control room infrastructure, perimeter intrusion detection, drone detection and…
Serves UK public-sector security buyers, including Home Office, CPNI and Ministry of Justice bodies, plus custodial facilities and businesses or organisations needing high-security protection for…
Financial Health
HealthyHealthy · 0% CAGR over 5y
Location
H&A Protection Services Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides private security services including manned guarding, mobile patrols, key holding and alarm response, and event security with crowd management. Also supplies security dog units, detection dog…
Serves businesses, public-sector organisations, event organisers, venues, corporate and hospitality sites, property owners and residential clients across the UK.
Financial Health
StableStable · Hiring · 79% CAGR over 4y
Location
Triton Security & Facilities Management Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides security and facilities management services including manned security guards, mobile patrols, key holding and alarm response, CCTV installation and monitoring, access control, concierge…
Serves UK businesses and property operators, including retail and shopping centres, construction sites, warehouses, solar farms, vacant properties, offices and commercial estates.
Financial Health
HealthyHealthy · Growing · 2% CAGR over 4y
Location
ZICAM SYSTEMS GROUP LTD
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDesigns and installs integrated security and safety systems for commercial premises, including CCTV surveillance, access control, intruder alarms, perimeter protection, and fire and life safety…
Serves small and large businesses across the UK and Ireland, including owners, facilities managers and property or industrial estate managers across multiple commercial sectors.
Financial Health
StrongStrong · Growing · 3% CAGR over 2y
Location
Inspired Integrated Systems Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDesigns, installs and maintains integrated electronic security systems for enterprise clients. Delivers installation projects, system integration and ongoing maintenance contracts, supporting…
Serves B2B clients of all sizes across multiple sectors, including leading companies with sites in the UK and across Europe, the Middle East and Africa requiring enterprise security system projects…
Financial Health
StrongStrong · Growing, Hiring · 27% CAGR over 2y
Location
BLACK BOX SECURITY ALARM SYSTEMS LTD
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsDesigns, installs and maintains fire and security systems for residential, commercial and public sector properties, including fire alarms, smoke detection, CCTV, access control, intercoms, intruder…
Serves a mix of B2C and B2B/B2G customers, selling to homeowners, businesses and public sector organisations across the UK that need fire, life-safety and security systems support.
Financial Health
StrongStrong · Growing, Hiring · 20% CAGR over 2y
Location
ABCA SYSTEMS LIMITED
Trajectory
5y · 2019–NowFinancial sub-scores
Computed from 5 filingsProvides installation, monitoring and maintenance of fire and security systems for commercial premises. Services include fire alarms, extinguishers, emergency lighting, public address and voice…
Serves UK businesses across sectors, particularly managers and directors responsible for staff, customer and visitor safety, compliance and site security, including multi-site operators and…
Financial Health
StrongStrong · Growing, Hiring · 14% CAGR over 5y
Location
Millennium Security Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides security services including rapid deployment CCTV towers, wireless video monitoring systems, and CCTV installation. Also supplies SIA‑licensed manned guarding, mobile patrols, alarm…
Serves UK businesses and site operators, including construction firms, warehouse operators, vacant property owners, utilities, highways and road contractors, and rail infrastructure organisations.
Financial Health
StrongStrong · Growing, Hiring · 13% CAGR over 4y
Location
Oliver Law Security Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns, installs and maintains cloud‑based security systems for businesses, including access control, biometric and mobile credential entry, IP CCTV, ANPR, barriers and turnstiles. Provides cloud…
Sells to businesses and commercial or industrial organisations needing security systems, including offices, gyms, manufacturers, logistics and warehouses, sports clubs, venues, and food manufacturing…
Financial Health
StableStable · -65% CAGR over 4y
Location
Onwatch (UK) Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides electronic security systems including CCTV monitoring, remote video response services, intruder alarms, access control, ANPR, facial recognition time and attendance, and staff panic buttons.…
Serves UK businesses with premises or site security needs, including construction sites, commercial properties, remote locations and void properties, alongside residential customers requiring…
Financial Health
StrongStrong · Growing · 0% CAGR over 2y
Location
Z E GLOBAL LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides security services including SIA‑licensed guarding, installation of fire safety and voice alarm systems, and integration of access control, CCTV and gate systems. Also partners with…
Serves business and public-sector clients in airports, heritage sites, immigration, oil and gas, prisons, facilities management and government estates.
Financial Health
HealthyHealthy · Hiring · 78% CAGR over 4y
Location
CHOICE FIRE & SECURITY SOLUTIONS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns, installs and maintains fire and security systems for commercial, public and residential premises, including fire alarms, intruder alarms, CCTV, access control and lockdown systems, with…
Serves UK commercial, retail, industrial and public-sector organisations, including education, banking, heritage sites and estates/facilities teams, plus M&E contractors and high-end private…
Financial Health
StrongStrong · Growing, Hiring · 6% CAGR over 4y
Location
Black Diamond Security Ltd
Trajectory
3y · 2024–NowFinancial sub-scores
Computed from 3 filingsProvides security services including manned guarding, close protection, and canine dog handling. Installs and monitors CCTV, alarms, access control systems, and rapid‑deployment cameras, and conducts…
Serves businesses, public sector bodies and private/residential clients across London and the UK, including rail, construction, utilities, education, logistics, manufacturing, retail, environment and…
Financial Health
HealthyHealthy · Growing, Hiring · 13% CAGR over 2y
Location
HARRIS SECURITY SERVICES LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides security services including manned guarding, mobile patrols, keyholding and alarm response, event security, and vacant property inspections. Also installs CCTV and access control systems and…
Serves businesses, property owners, facilities managers and event organisers needing security, concierge, cleaning and premises support across the UK.
Financial Health
HealthyHealthy · Hiring · 4% CAGR over 4y
Location
Unlock all 5,701 leads
Showing 49 of 5,701 — +5,652 more with verified decision-maker contacts, live data, and CRM sync.
How UK access control companies work and how to sell to them
What they do
Access-control firms usually earn from a blend of hardware resale margin, installation labour, design consultancy and recurring support. A typical job may include door controllers, readers, credentials, gates, intercoms, locks, cabling, software configuration and handover documentation, with margins shaped by labour availability and kit lead times. More established operators try to attach planned maintenance, remote administration, monitoring coordination and emergency call-out cover, because these turn project work into contracted revenue. Pricing tends to be per site, per door, per device or via annual maintenance charges, with bespoke quoting where estates include legacy wiring, landlord approvals or integration with CCTV and building-management systems.
Who they sell to
Commercial property owners, logistics sites, education estates, healthcare premises, local authorities and business parks are common buyers, but most suppliers still win work through quite practical buying centres: facilities managers, estates teams, security managers and IT stakeholders who own identity, networks or audit requirements. Finance and procurement usually enter when a contract covers several sites or sits under a public-sector or facilities-management framework. Small upgrades can be handled through direct quoting and site surveys; larger programmes tend to involve tender portals, approved-contractor lists, partner referrals and formal method statements. Sales cycles are usually governed less by enthusiasm for new technology than by lease events, refurbishments, insurance requirements, failed systems and renewal windows.
What they buy
Most access-control firms tend to spend on tools that make dispersed engineering work easier to control. Field-service management, job scheduling, mobile workforce apps, stock control, fleet management, quote-to-cash, recurring billing and service desk software all map closely to the operating model. Compliance-led buyers may also need training management, vetting workflows, document control, incident reporting, cyber security, backup, device-management and data-protection advice, particularly where monitoring or biometric recognition is part of the offer. Non-software spend is just as relevant: recruitment for engineers and control-room staff, insurance, legal support for tenders and service terms, accounting, marketing, vehicle supply, testing equipment, warehousing and outsourced call handling can all be credible categories.
Why and how to sell to them
Commercial intent often appears when an access-control business wins a multi-site contract, opens a monitoring or key-holding line, hires engineers, changes operations leadership, or moves from subcontracted installation into direct managed service work. Pressure points are usually mundane but material: missed call-outs, poor first-time fix rates, slow quoting, margin leakage on parts, SIA licensing administration, audit evidence, and the need to explain GDPR treatment when identity or biometric systems are involved. Outbound messages tend to land better when they connect to a contract or compliance burden rather than a generic efficiency claim. Useful angles include fewer repeat visits, clearer engineer utilisation, faster renewal administration, cleaner tender evidence and lower risk when staff, sites and devices are spread across a portfolio.
How this list is built
Data sources
This list is built from UK Companies House filings, XBRL accounts data, and semantic analysis of each company's public website. 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.
Classification
Rather than relying solely on SIC codes, Firmbase classifies each company semantically: the company's website is crawled, an AI model reads what the company actually sells, and the company is placed into the relevant industry and subsectors. SIC codes are used as one signal but not the only one. This means a company that registered under a generic SIC code but pivoted into (for example) fintech is correctly identified as fintech, not as its original SIC category.
Freshness
The underlying company data is refreshed from Companies House continuously; filings appear in the list within days of submission. The curated list ordering is regenerated when the underlying data moves meaningfully (company count changes by more than 5%, a new company enters the top-ranked segment, or the filed-revenue numbers for the top firms change). You can see the last-updated timestamp near the top of the page.
Related directories
Frequently asked questions
How many access control companies are there in the UK?↓
What counts as a access control company in this list?↓
Which are the largest access control companies in the UK?↓
What do access control companies in the UK actually do?↓
How does UK access control compare internationally?↓
How is this list built and how fresh is the data?↓
How big are the typical access control companies in the UK?↓
Are these mostly new or established access control companies?↓
What SIC codes does this use?↓
What buying signals should I look for?↓
Push these 5,701 companies into your pipeline.
Find the right decision-makers, see verified company data, and export your list in seconds.