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CCTV Companies in Manchester: 200+ Active Firms (2026)
CCTV companies in Manchester install and maintain surveillance cameras, monitoring equipment and security systems across the city region.
Buying demand in this niche tends to sit with facilities, estates, security and IT teams rather than a single technology budget. Customers are usually commercial landlords, public-sector bodies, industrial sites and multi-site operators that need surveys, installation projects, control-room integration and ongoing service cover. Engagements are practical and field-led: site visits, cabling, camera placement, monitoring workflows, access-control links and maintenance response times matter as much as the equipment itself. The better-fit suppliers look less like one-off installers and more like operational security contractors, with engineers, monitoring staff and project delivery teams supporting recurring contracts across Greater Manchester and nearby North West locations.
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Manchester has 273 actively trading CCTV companies in this cohort, making it a fairly localised market rather than a broad national supplier universe. The scale profile is mixed: 8 firms have passed £5M turnover, while 58 were incorporated since 2022, so the list combines established contractors with newer entrants still building reference sites. The employment footprint is 689 reported staff across the cohort, which points to a sector where field capacity is present but fragmented. For researchers, that usually means supplier diligence needs to separate genuine multi-site delivery capability from smaller installers whose work is concentrated around local maintenance and project call-outs.
Privacy and proportionality sit close to day-to-day delivery for surveillance contractors. Commercial and public-sector customers need camera placement, signage, access to footage, retention policies and monitoring arrangements to match UK privacy law and their own internal governance. Public-facing sites add reputational risk, particularly where cameras cover shared entrances, streets, car parks or workplaces. Market structure is also shaped by service obligations: maintenance response, alarm integration and evidence handling can matter more in procurement than hardware choice. Public-sector buyers usually add formal tendering, safeguarding and audit requirements, while property managers tend to focus on uptime, liability and contractor coverage across dispersed premises.
Service revenue appears more durable than one-off installation work, especially where customers want surveillance, access control, alarms and monitoring handled by fewer suppliers. The Manchester market still looks fragmented, with many firms likely to remain small and locally oriented while a narrower group competes for multi-site contracts. Procurement should keep moving towards compliance-led service records, engineer availability and response processes rather than equipment catalogues alone. Consolidation may continue where owners need field teams, monitoring capacity and recurring maintenance books, but the sector tends to reward operational reliability more than speculative technology positioning.
273
Active firms
2026
8
Above £5M
Annual turnover
58
Recent incorporations
Incorporated since 2022
Key facts
About 2% of the trading cohort reports turnover above £5M (8 of 273 firms) — the rest sits below that revenue band.
21% of the cohort was incorporated since 2022 (58 firms), so a sizeable share is in its first few filing cycles.
Security spend in Manchester is often local, service-led and contract-based, with installation, maintenance, monitoring and emergency call-out work sitting alongside equipment supply.
Commercial sites, public-facing premises and residential developments are core buying groups for CCTV and wider surveillance contractors across the city region.
Many providers combine camera installation with alarms, access control and remote monitoring, rather than selling CCTV as a standalone service.
The market appears fragmented, with small specialists operating alongside larger security contractors rather than a single national-provider pattern.
Top Manchester CCTV companies
Protex Fire and Security Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsDesigns, installs and maintains fire and security systems for commercial clients, including intruder alarms, CCTV, access control, fire detection and emergency lighting. Provides system design,…
Serves businesses and organisations needing fire and security system installation, maintenance and aftercare, including existing system owners looking to switch service providers.
Financial Health
HealthyHealthy · Growing, Hiring · 6% CAGR over 3y
Location
MANCHESTER CCTV 2023 LIMITED
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsFinancial Health
StableStable · 0% CAGR over 1y
Location
STAR FM LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides rapid deployment CCTV systems for construction and commercial sites, including mobile and solar‑powered surveillance units, wired and wireless cameras, lighting towers, and fire safety…
Serves UK construction companies, contractors and commercial site operators needing security, monitoring and fire safety support for construction projects and sites of varying sizes.
Financial Health
WeakWeak · 0% CAGR over 4y
Location
T H I (2022) LIMITED
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsFinancial Health
StableStable · 0% CAGR over 1y
Location
ARGUS FIRE AND SECURITY LTD
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
HealthyHealthy · -91% CAGR over 2y
Location
CAT 1 (NW) LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StrongStrong
Location
KIRKSTALL SAFES LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · 0% CAGR over 4y
Location
PM SOLUTIONS MCR LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · 0% CAGR over 4y
Location
COMMSEC MONITORING COMPANY LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable
Location
LUCENT TECHNOLOGIES LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy · 0% CAGR over 4y
Location
FIREKILL LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable
Location
GALAXY CENTRALISED SOLUTIONS LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides facilities management services including manned security, CCTV system installation and monitoring, key holding and alarm response, and commercial cleaning for offices, businesses, and other…
Serves businesses across the UK, especially corporate offices and commercial premises, as well as domestic customers needing property support and key holding.
Financial Health
WeakWeak · Hiring · 16% CAGR over 4y
Location
MASTER E LIMITED
Trajectory
5y · 2019–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · 0% CAGR over 5y
Location
UNIT SECURITY SERVICE LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides security services including manned guarding, mobile patrols, key holding, alarm response and CCTV monitoring. Supplies SIA-licensed security officers for businesses, events and private…
Serves small, medium and large businesses across the UK, including retail, corporate and SME sites, as well as property and land owners and private individuals.
Financial Health
DistressedDistressed · -6% CAGR over 2y
Location
CLARION SECURITY SYSTEMS LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides design, installation and maintenance of electronic security systems for commercial, industrial and public sector sites, including CCTV surveillance, access control systems, intruder alarms,…
Serves commercial, industrial and public sector organisations across Manchester, the North West and the UK, including schools, universities, hospitals, offices, data centres and warehouses.
Financial Health
StableStable · -10% CAGR over 4y
Location
ORIGIN-96 LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsDesigns, installs and maintains electronic security systems for commercial, industrial and public sector sites, including CCTV surveillance, access control and intruder alarm systems, with ongoing…
Serves commercial, industrial and public sector organisations across Manchester, the North West and the UK, including schools, universities, hospitals, offices, data centres and warehouses.
Financial Health
WeakWeak · 0% CAGR over 5y
Location
PROTIVE SECURITY & FIRE LIMITED
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsDesigns, installs and maintains commercial security and fire protection systems, including CCTV surveillance, remotely monitored systems, fire alarms, access control, intruder alarms, automated…
Serves B2B customers with commercial and industrial premises, including warehouses, construction/property businesses and sports venues, mainly across the North West and wider UK.
Financial Health
StableStable · Hiring · 7% CAGR over 2y
Location
DELTA TELECOM SOUND & SECURITY LTD
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsDesigns, installs and maintains commercial security and communication systems, including CCTV, access control, door entry, fire alarms, nurse call systems, public address and key management solutions…
Serves commercial-only buyers across Greater Manchester and beyond, including businesses, healthcare providers, care homes, hospitals, industrial sites and larger venues such as churches and football…
Financial Health
StrongStrong · Growing · 0% CAGR over 3y
Location
KJ FIRE SAFETY LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides commercial fire safety and security services including design, installation, commissioning and maintenance of fire alarm systems, alarm monitoring, fire extinguishers, emergency lighting,…
Serves commercial organisations in the North West, including property managers, shopping centres, care homes and other premises needing fire safety and security compliance support.
Financial Health
StrongStrong · -6% CAGR over 2y
Location
ROC FIRE LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides installation, monitoring and maintenance of commercial security and fire protection systems, including CCTV systems, intruder alarms, BT Redcare monitored alarms, fire alarms and fire…
Serves business owners, offices, commercial premises and schools needing security and fire protection support, mainly across Greater Manchester and the North West, with national coverage for some…
Financial Health
HealthyHealthy · -65% CAGR over 4y
Location
C I A 2000 LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsInstalls, services and maintains fire and security systems for residential, commercial and education settings, including intruder alarms, CCTV, access control, door entry systems, gates and barriers,…
Serves homeowners, commercial organisations, nurseries and schools in the Manchester and Oldham area with fire and security requirements.
Financial Health
StableStable · Hiring · 4% CAGR over 4y
Location
Tate Security Technology Limited
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsDesigns and installs commercial security and fire detection systems, including access control, CCTV, perimeter protection and under‑vehicle scanning. Provides system integration, automation software,…
Serves UK government departments, HMPS/MOJ sites, NHS estates, critical national infrastructure operators, football clubs, public venues, and commercial or industrial premises requiring accredited…
Financial Health
DistressedDistressed · -90% CAGR over 2y
Location
D&S FIRE LIMITED
Trajectory
5y · 2019–NowFinancial sub-scores
Computed from 5 filingsProvides fire protection and safety services including installation, supply and maintenance of fire alarms, fire extinguishers and emergency lighting. Conducts fire risk assessments and installs…
Serves businesses, property managers, care homes and healthcare sites in Manchester and the North West that need compliant fire safety, evacuation and premises security support.
Financial Health
StrongStrong · Hiring · 12% CAGR over 5y
Location
Alsecure Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides electronic security systems and security guarding services. Designs, installs, monitors and maintains intruder alarms, CCTV, fire and access control systems, and supplies manned guarding,…
Serves private homeowners, businesses and commercial property owners across the UK, with guarding and keyholding customers concentrated in the North West.
Financial Health
StrongStrong · Growing · 0% CAGR over 4y
Location
MODE FIRE & SECURITY LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy
Location
Dual-Stream Ltd
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsDesigns, installs and maintains electronic security systems for businesses, including access control systems, intelligent video surveillance, video analytics and business intelligence tools, as well…
Serves business clients with premises and operational security needs, including organisations requiring access control, video analytics and business intelligence systems.
Financial Health
WeakWeak · Hiring · 6% CAGR over 3y
Location
C D Security Systems Limited
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsInstalls and maintains security systems for residential and commercial properties, including burglar and intruder alarms, CCTV surveillance, intercoms, access control systems, and fire alarms. Also…
Serves homeowners, businesses and multi-site organisations needing premises security systems across Stockport, Cheshire, Manchester, Derbyshire, Lancashire and North Wales.
Financial Health
DistressedDistressed · 0% CAGR over 2y
Location
Advanced Security Systems UK Ltd.
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsInstalls and maintains security and safety systems including intruder alarms, CCTV surveillance, access control, fire alarm systems, and emergency lighting. Provides system monitoring, maintenance…
Serves homeowners, businesses and schools in Manchester and the North West, including premises managers seeking security, safeguarding and life-safety systems for staff, pupils, occupants and…
Financial Health
HealthyHealthy · Growing · 0% CAGR over 4y
Location
AUTOMATIC ALARMS LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDesigns, installs, and maintains security and fire safety systems for residential and commercial properties, including intruder alarms, CCTV, access control, fire alarms, emergency lighting, nurse…
Serves a mix of commercial, public-sector and domestic customers across Greater Manchester and the North West, including office and building owners, schools and colleges, care homes, and homeowners.
Financial Health
HealthyHealthy · -4% CAGR over 2y
Location
Direct Security Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns, installs and maintains security systems for commercial clients, including CCTV, intruder alarms, access control systems, traffic control barriers and integrated monitoring systems. Provides…
Serves businesses of all types, primarily regional commercial clients needing bespoke security system installation, maintenance and monitoring support.
Financial Health
HealthyHealthy · Growing, Hiring · 4% CAGR over 4y
Location
Test & Maintenance Services Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsInstalls and maintains fire detection and security systems for commercial premises, including fire alarms, emergency lighting, CCTV surveillance, intruder alarms, and access control systems. Also…
Serves organisations and property owners in Northwest England and the Isle of Man with fire detection and security system requirements.
Financial Health
HealthyHealthy · -8% CAGR over 2y
Location
Durus Security Limited
Trajectory
2y · 2023–NowFinancial sub-scores
Computed from 2 filingsProvides temporary security and risk mitigation services including monitored CCTV towers, intruder alarms, access control systems, perimeter barriers and fencing, and manned guarding to protect…
Serves businesses and public sector organisations managing vacant properties, construction sites, infrastructure, retail, hospitality, housing association, highways and utilities assets, plus…
Financial Health
WeakWeak · 0% CAGR over 1y
Location
AMALGAMATED LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsDesigns, supplies, installs, commissions, and maintains fire protection and security systems, including fire alarms, fire suppression systems, CCTV, emergency lighting and signage, and alarm…
Serves UK businesses and public-sector organisations managing commercial, retail, government, healthcare, education, hotel, leisure and industrial buildings.
Financial Health
HealthyHealthy · -71% CAGR over 4y
Location
SECURITY AND FIRE EXPERTS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns, installs, maintains and monitors fire safety and electronic security systems, including fire detection and alarm systems, emergency lighting, CCTV, access control, gas suppression and…
Serves UK businesses, property owners and facilities managers, including care homes and large residential apartment blocks, needing fire safety, security and regulatory compliance support.
Financial Health
HealthyHealthy · Hiring · 12% CAGR over 4y
Location
ISECURITY SOLUTIONS (UK) LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsInstalls and maintains security systems for commercial and residential properties, including CCTV, intruder alarms, fire alarm systems, access control systems, and construction site security cameras.…
Serves both homeowners and businesses, including commercial property owners, premises managers and construction site operators needing protection for homes, premises and assets.
Financial Health
HealthyHealthy · 0% CAGR over 4y
Location
ADVANCED DETECTION SYSTEMS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsInstalls, services and repairs fire alarm systems for commercial premises. Also supplies and installs CCTV, access control, nurse call systems and emergency lighting, and provides fire extinguishers…
Serves businesses and property managers across Greater Manchester, including small shops, offices, medium-sized commercial buildings and care homes needing compliant fire, security and safety systems.
Financial Health
WeakWeak · -11% CAGR over 4y
Location
Expo-Link Alarms Limited
Trajectory
4y · 2023–NowFinancial sub-scores
Computed from 4 filingsDesigns, installs and maintains security and safety systems for residential, commercial and industrial properties, including CCTV surveillance, intruder alarms, fire detection systems, access control…
Serves homeowners, commercial businesses and industrial site operators nationwide needing security, fire safety, access control and monitoring support.
Financial Health
StrongStrong · Hiring · 12% CAGR over 3y
Location
Check Fire & Security Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsInstalls and maintains fire and security systems for residential and commercial properties, including fire alarms, intruder alarms, CCTV, access control, emergency lighting, fire extinguishers and…
Serves homeowners and businesses needing fire safety and security support, with coverage emphasised across Manchester, Bury, Bolton, Lancashire and Cheshire.
Financial Health
HealthyHealthy · Hiring · 26% CAGR over 4y
Location
Disc Security Controls Ltd
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsProvides electronic security systems including integrated CCTV, access control, and intruder monitoring. Supplies security products and works with technology partners to design, install, and support…
Serves businesses and organisations across Europe and international markets, including clients in multiple sectors with security-critical assets and requirements for high service levels, reliability…
Financial Health
StrongStrong · Growing, Hiring · 6% CAGR over 4y
Location
Artisan Fire & Security Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns, supplies, installs and maintains fire safety and security systems for commercial premises, including fire detection and alarm systems, emergency lighting, fire extinguishers, CCTV…
Serves businesses and commercial property operators, including facilities managers, landlords and organisations responsible for protecting staff, premises and assets.
Financial Health
DistressedDistressed · 0% CAGR over 4y
Location
Red Security Solutions Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsDesigns and supplies deployable CCTV surveillance and site security systems, including solar-powered CCTV towers, AI‑enabled cameras, access control pods and remote monitoring solutions used to…
Serves businesses, site operators and homeowners needing protection for property, people and plant, including organisations with temporary or remote work sites and clients seeking lower-carbon…
Financial Health
StableStable · Hiring · 5% CAGR over 3y
Location
Panoramic Fire And Security Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsInstalls and maintains fire and security systems for domestic and commercial properties, including CCTV, intruder and fire alarms, access control, intercoms and nurse call systems. Also provides fire…
Serves homeowners and commercial organisations needing fire and security protection, including business premises, academies, offices and facilities requiring ongoing maintenance, compliance checks,…
Financial Health
DistressedDistressed · 0% CAGR over 4y
Location
Williams Security Systems Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsInstalls and maintains fire detection and alarm systems, intruder alarms, CCTV surveillance and access control systems for residential, commercial and industrial properties. Also provides design of…
Serves domestic homeowners plus commercial and industrial organisations needing fire safety and security support across Cheshire and the North West.
Financial Health
StrongStrong · 100% CAGR over 2y
Location
I Security Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy · -16% CAGR over 4y
Location
Wall to Wall Security Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · 0% CAGR over 4y
Location
NIGHTHAWK CCTV LIMITED
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsFinancial Health
HealthyHealthy · Hiring · 97% CAGR over 1y
Location
CHANNEL 6 (EUROPE) LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns, installs and maintains security systems for residential and commercial properties, including CCTV surveillance, intruder alarms and access control systems. Also provides remote monitoring…
Serves both B2C homeowners and B2B commercial customers needing security installations, from domestic properties to large commercial organisations across multiple market sectors.
Financial Health
StableStable · -68% CAGR over 4y
Location
Pro Guard Security Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides home and business security services including CCTV and burglar alarm installation, static guarding, mobile patrols, key holding and alarm response. Also installs fire alarms, access control…
Serves homeowners and businesses needing security, including schools, health centres, offices, business parks, construction sites, jewellers, shops, factories, warehouses, events and weddings.
Financial Health
WeakWeak · -5% CAGR over 5y
Location
AARHUS FIRE PROTECTION LIMITED
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · -77% CAGR over 3y
Location
Swift Security Products Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsManufactures, supplies, installs and repairs security products including roller shutters, garage doors, security grilles, steel and aluminium doors, fencing and gates. Also provides CCTV, alarms,…
Serves homeowners, commercial property owners, facilities managers and organisations in the North West needing property security, garage, fencing, access control, playground or street furniture…
Financial Health
StrongStrong · Hiring · 15% CAGR over 2y
Location
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How Manchester CCTV companies work and how to sell to them
What they do
Revenue usually comes from a blend of fixed-price installation projects, equipment resale, integration labour, call-out work, maintenance retainers and monitoring contracts. Manchester CCTV firms tend to package surveys, drawings, cabling, camera installation, access-control links and handover documentation into practical projects rather than pure product sales. Smaller jobs may be quoted as works orders, while estate or multi-site upgrades often carry milestone billing and service-level commitments. Margin depends on engineer utilisation, hardware availability, travel time, subcontractor use and the share of recurring service cover attached after installation.
Who they sell to
Most buyers sit in facilities management, estates, security, IT, procurement or property management roles, with finance involved when contracts move from reactive repairs into planned service agreements. Commercial landlords, industrial operators, schools, local public-sector teams and multi-site premises usually buy direct, though larger estates may use formal tenders, approved contractor lists or facilities-management intermediaries. Short-cycle work can be driven by a failed camera, insurer requirement or site incident; broader programmes take longer because site access, privacy review, cabling routes, out-of-hours work and stakeholder sign-off all have to be coordinated.
What they buy
Most CCTV firms tend to spend on field-service scheduling, CRM, quotation tools, asset registers, remote diagnostics, helpdesk ticketing, billing, accounting, stock control and engineer documentation. Operational suppliers can also pitch cyber security, network configuration support, fleet services, compliance training, accreditations support, recruitment, insurance, legal templates and marketing for tender-led or local search demand. Hardware distributors, cabling suppliers, monitoring infrastructure, uniforms, testing equipment and health-and-safety services remain part of the cost base. The more service-led contractors often value systems that link surveys, parts, engineer visits, maintenance history and customer reporting without adding much office administration.
Why and how to sell to them
CCTV buyers tend to evaluate new suppliers when recurring maintenance starts to outgrow spreadsheets, engineer diaries become hard to coordinate, or public-sector and multi-site customers ask for clearer audit trails. Other triggers include a move from installation-only work into monitoring, a new operations or service manager, tender wins, complaints about response times, and pressure to evidence privacy-aware processes. Outbound messaging usually lands better when it speaks to quote-to-install speed, fewer missed visits, clearer service records, margin control on projects and proof that the contractor can support dispersed Greater Manchester sites without losing visibility of each job.
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.
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