Access Control Companies in Portsmouth: 56 Active Firms (2026)
Access-control companies design, supply and install electronic entry, identity and physical protection systems across Portsmouth.
Buying decisions tend to sit with facilities managers, estates teams, security managers and procurement functions, rather than a single technology owner. The customer base is mainly contracted commercial, institutional and public-facing sites that need entry control tied to physical protection, identity checks, maintenance cover and sometimes wider security services. Engagements tend to be practical and site-led: surveys, installation work, planned servicing, fault response and small multi-site rollouts. Buyer fit is usually shaped by local operating cover, evidence of compliance where licensable security work is supplied, and the ability to manage personal information when identity-based systems are involved.
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Portsmouth has 56 actively trading access-control firms, a local cohort rather than a national security-systems pool. Reported employment totals 222 people, suggesting a market built around small installer and maintenance teams, with some subcontracted delivery rather than a deep bench of large employers. The headcount footprint matters for buyer research: capacity, emergency cover and ongoing maintenance are likely to be as relevant as product selection, especially where clients need work delivered across occupied commercial, institutional and public-facing premises.
Access-control installation is best treated as activity-specific, rather than covered by a blanket installer licence. The Security Industry Authority regulates the UK private security industry, and GOV.UK says SIA licences are needed where contracted work involves licensable activities. For firms adjacent to systems installation, those activities can include manned guarding, key holding, public-space CCTV monitoring and security guarding; directors or managers may also need front-line or non-front-line licences when supplying licensable operatives. ICO guidance becomes material where biometric recognition or identity-based entry systems uniquely identify people. The British Security Industry Association also treats access and asset protection as a distinct industry section.
Portsmouth’s access-control market appears likely to remain service-led, with differentiation tied to installation quality, response times and compliance handling rather than brand ownership. Firms with institutional and public-facing clients tend to face more documentation, identity-management and data-protection work, particularly as biometric and credential-based entry systems are folded into building-management decisions. The upper end of the cohort has been relatively thin, so consolidation may come through maintenance contracts, subcontractor networks and cross-selling with wider physical-security services. Local buyers are likely to keep valuing proximity, call-out coverage and evidence of licensable activity management.
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
56
Active firms
2026
2
Above £5M
Portsmouth turnover band
10
Incorporated since 2022
Portsmouth cohort
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Key facts
About 3% of the trading cohort reports turnover above £5M (2 of 56 firms) — the rest sits below that revenue band.
17% of the cohort was incorporated since 2022 (10 firms), so a sizeable share is in its first few filing cycles.
SIA licensing is activity-specific: contracted manned guarding, key holding, public-space CCTV monitoring and security guarding can bring access-control suppliers within scope.
Directors or managers may need front-line or non-front-line SIA licences where their business supplies licensable operatives.
ICO guidance treats biometric recognition used to uniquely identify someone as processing personal information, biometric data and special-category biometric data.
The British Security Industry Association has an Access and Asset Protection section for companies that manufacture, supply and install physical protection and electronic access-control systems.
Grand View Research forecasts an 8.1% CAGR for UK access-control revenue from 2025 to 2030, with hardware the largest offering in 2024 and services the fastest-growing offering over the forecast period.
Top Portsmouth Access Control companies
Designs, installs, commissions and maintains sound, security and fire safety systems for commercial and public buildings, including public address and voice alarm systems, fire detection and alarms,…
Serves commercial, industrial and retail organisations in Southampton and Hampshire, including schools, churches and healthcare practices needing site safety, security, fire or audio systems.
Financial Health
N/AN/A
Location
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Financial sub-scores
Computed from 3 filingsSupplies and installs access control and security systems including door entry systems, automated gates, automatic doors, CCTV, barriers and bollards. Provides gate automation, equipment and related…
Sells to both businesses and homeowners, serving domestic and commercial clients needing access control, gate automation, CCTV, door entry, automatic doors, and security barriers across Hampshire and…
Financial Health
StableStable · -90% CAGR over 2y
Location
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Computed from 5 filingsDesigns, installs and maintains fire and security systems for residential, commercial and industrial premises. Services include intruder alarms, fire alarms, CCTV, access control, monitored alarm…
Serves homeowners, commercial businesses and industrial site operators in Hampshire, West Sussex, Dorset and surrounding South Coast areas.
Financial Health
StableStable · Hiring · 12% CAGR over 4y
Location
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Computed from 5 filingsDesigns, supplies, installs and maintains fire alarm and security systems for commercial premises. Products and services include CCTV, access control, nurse call systems, emergency lighting, fire…
Serves businesses and public sector organisations nationwide, including councils, heritage/property operators and premises managers responsible for employee, visitor and building safety compliance.
Financial Health
StableStable · 0% CAGR over 4y
Location
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Computed from 3 filingsProvides electrical installation and maintenance services for commercial and industrial properties, including lighting upgrades, emergency lighting testing and electrical condition reports. Installs…
Serves commercial and industrial organisations needing electrical, fire and security installations, including businesses of any size managing premises, staff safety, compliance, access control and…
Financial Health
WeakWeak · 3% CAGR over 2y
Location
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Computed from 2 filingsFinancial Health
StableStable · 0% CAGR over 1y
Location
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Computed from 5 filingsFinancial Health
WeakWeak
Location
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Computed from 5 filingsFinancial Health
HealthyHealthy · 0% CAGR over 4y
Location
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Computed from 2 filingsFinancial Health
DistressedDistressed · 0% CAGR over 1y
Location
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Computed from 5 filingsFinancial Health
StrongStrong · Hiring · 19% CAGR over 4y
Location
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Financial Health
N/AN/A
Location
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Computed from 4 filingsProvides security system installation, monitoring and guarding services for residential and commercial sites, including CCTV, intruder and fire alarms, access control, gates and barriers, remote…
Serves private homeowners, commercial premises and public-sector organisations in Hampshire, Surrey and Sussex, including construction, retail, hotels, pharmaceutical sites, government, museums,…
Financial Health
StrongStrong · -1% CAGR over 3y
Location
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Computed from 3 filingsDesigns, installs and maintains electronic security systems, including CCTV surveillance, access control and door entry systems, intruder and fire alarms, and automated gates and barriers. Provides…
Serves local authorities, private companies, commercial and industrial sites, small businesses, and homeowners, with emphasis on customers across Hampshire needing property security systems and…
Financial Health
StrongStrong · Growing, Hiring · 20% CAGR over 2y
Location
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Computed from 5 filingsInstalls and maintains fire and intruder alarm systems, CCTV surveillance, access control systems, gates and barriers, and networking infrastructure. Provides system upgrades, remote monitoring…
Serves homeowners and businesses in Hampshire, including owners and managers of small and large properties, industrial units and factories requiring security and fire protection.
Financial Health
StrongStrong · Hiring · 24% CAGR over 4y
Location
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Computed from 5 filingsProvides installation, upgrade, testing and maintenance of security and fire safety systems, including access control, burglar alarms, CCTV, fire alarms, emergency lighting, fire doors, intercom…
Serves businesses, homeowners and community premises needing fire safety and security support, with coverage highlighted across Hampshire, Berkshire and West Sussex.
Financial Health
StrongStrong · Hiring · 19% CAGR over 4y
Location
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Computed from 5 filingsSupplies, installs and maintains security and fire protection systems for residential and commercial properties, including intruder alarms, CCTV surveillance systems, fire alarms and access control…
Serves homeowners, businesses, schools and local authorities needing security and fire protection across Hampshire, West Sussex, Surrey and the South of England.
Financial Health
StableStable · -10% CAGR over 4y
Location
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Computed from 2 filingsDesigns, installs, maintains and monitors fire protection and electronic security systems, including fire alarms, intruder alarms, access control and CCTV, for commercial and residential properties,…
Serves businesses, public buildings and homeowners, with emphasis on organisations needing compliant fire and security systems. References suggest customers include engineering and manufacturing…
Financial Health
StrongStrong · Hiring · 25% CAGR over 1y
Location
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Computed from 5 filingsProvides installation, maintenance and monitoring of security systems including intruder alarms, CCTV, access control and fire alarms for commercial and residential properties, along with alarm…
Sells to businesses and homeowners needing security systems, including offices, industrial units, agricultural sites, outbuildings and new-build premises. Serves both B2B and B2C customers across the…
Financial Health
StrongStrong · Hiring · 9% CAGR over 4y
Location
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Computed from 2 filingsFinancial Health
StrongStrong · Growing · 0% CAGR over 1y
Location
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Computed from 3 filingsSupplies, installs and services automatic and manual doors, door entry and access control systems for buildings. Also installs door closers, panic hardware, aluminium entrance doors, and window…
Serves commercial property owners, facilities managers, contractors and public-sector organisations across Sussex, Hampshire, Surrey and nearby south coast areas.
Financial Health
StrongStrong · Growing, Hiring · 12% CAGR over 2y
Location
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Computed from 5 filingsProvides design, installation and support of integrated security technology systems, including IP CCTV, access control, visitor management, video analytics, drone detection, and smoke or fire…
Serves UK businesses and organisations with high-risk or mission-critical sites that need integrated physical security and IoT systems, including CCTV, access control, alarms and visitor management.
Financial Health
HealthyHealthy · Growing · 0% CAGR over 4y
Location
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Computed from 5 filingsFinancial Health
StrongStrong · Hiring · 14% CAGR over 4y
Location
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Computed from 5 filingsInstalls and maintains security and safety systems for residential and commercial properties, including intruder alarms, CCTV, access control, and fire protection systems. Also provides temporary…
Serves homeowners, public sector organisations, SMEs, large companies and retailers needing security and protection systems for domestic and workplace premises.
Financial Health
StableStable · -60% CAGR over 5y
Location
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Computed from 5 filingsProvides installation, inspection, and maintenance of fire safety and security systems, including fire alarms, emergency lighting, fire extinguishers, smoke ventilation (AOVs), CCTV, intruder alarms,…
Serves building owners and facilities/property managers in charities, housing associations and commercial organisations, plus electrical contractors seeking a specialist fire safety and electrical…
Financial Health
StableStable · -69% CAGR over 4y
Location
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Computed from 4 filingsSupplies and installs telecommunications and security systems for residential and commercial properties, including telephone systems, video entry systems, CCTV, Wi‑Fi networks, phone lines and…
Serves property managers, business owners, family offices and developers, alongside high-end residential property owners. Customer segments include retail chains, schools, care homes, marinas,…
Financial Health
WeakWeak · -4% CAGR over 3y
Location
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Computed from 5 filingsFinancial Health
StrongStrong · Growing, Hiring · 19% CAGR over 4y
Location
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Computed from 5 filingsFinancial Health
WeakWeak · 0% CAGR over 4y
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Computed from 3 filingsProvides electrical design, installation and contracting services for commercial and residential projects. Installs lighting systems, smart home automation, CCTV, fire alarms and access control, and…
Serves commercial clients, construction teams, architects, schools, colleges, hospitality venues, offices, retail outlets, industrial sites, residential block managers and private homeowners across…
Financial Health
HealthyHealthy · -3% CAGR over 2y
Location
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Computed from 5 filingsFinancial Health
WeakWeak · 0% CAGR over 4y
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Computed from 4 filingsDesigns, installs and maintains fire alarm, security and electrical systems for commercial and domestic properties. Services include alarm installation, system testing, maintenance, fault response,…
Serves both businesses and homeowners, especially commercial customers with fire, security and electrical needs. Sells to sectors including logistics, construction, retail and day nurseries, with…
Financial Health
StrongStrong · Growing, Hiring · 13% CAGR over 3y
Location
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Computed from 3 filingsSupplies and installs industrial and commercial access systems including roller shutters, sectional overhead doors, automatic doors, steel door sets, powered gates and traffic barriers. Provides…
Serves B2B customers managing commercial and industrial premises, including facilities maintenance companies, building contractors, architects, property managers, end-users and property owners.
Financial Health
StrongStrong · Hiring · 18% CAGR over 2y
Location
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Computed from 4 filingsFinancial Health
DistressedDistressed · 0% CAGR over 3y
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Computed from 3 filingsFinancial Health
WeakWeak · 0% CAGR over 2y
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Computed from 3 filingsFinancial Health
HealthyHealthy · 0% CAGR over 2y
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Computed from 3 filingsDesigns, manufactures and installs automated gate and access control systems for residential, commercial and industrial properties, including sliding and swing gates, bollards and road blockers.…
Targets residential homeowners, commercial and industrial premises, schools and public bodies that require automated entrances or perimeter security, with emphasis on Reading and surrounding counties.
Financial Health
HealthyHealthy · Growing · 4% CAGR over 2y
Location
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Computed from 4 filingsProvides design, installation and support of data and voice network infrastructure, including wireless networks, structured cabling, IP CCTV systems and Mitel IP telephony. Also offers network…
Sells to businesses needing data and voice networking support, including IT and telecoms buyers seeking network cabling, wireless infrastructure, IP telephony, CCTV and ongoing support services.
Financial Health
WeakWeak · 0% CAGR over 3y
Location
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Computed from 5 filingsProvides locksmith services including lock repair and replacement for doors, windows and garages, UPVC lock repairs, key cutting and duplicate keys, broken key extraction, and 24/7 emergency…
Sells to homeowners and local consumers needing locksmith and key-cutting services, and to commercial customers including retail, construction and container businesses requiring locks, safes and…
Financial Health
StableStable · Hiring · 7% CAGR over 4y
Location
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How Portsmouth Access Control companies work and how to sell to them
What they do
Portsmouth access-control firms usually earn through a mixture of project work and recurring service income. A typical job starts with a site survey, then moves into supply, installation, commissioning and handover; revenue is often priced as a fixed installation quote with separate charges for call-outs, parts and remedial works. Maintenance contracts add recurring income, especially where clients need periodic testing, fault response and updates to user permissions. The product shape is part physical infrastructure, part software configuration and part field service. For many smaller operators, cash flow depends on scheduling installers efficiently and keeping service visits profitable.
Who they sell to
Most sell to organisations with premises rather than to consumers: commercial operators, institutional estates and public-facing sites that need controlled entry, audit trails and aftercare. The buying group tends to include facilities managers, estates teams, security managers and procurement, with IT or data-protection staff joining when identity-based access or biometric recognition is involved. Smaller works are commonly won through direct relationships, referrals and comparative quotes. Larger or more formal buyers are more likely to use tender packs, approved-supplier lists or RFP-style procurement. Sales cycles tend to lengthen when access control is bundled with wider physical-security services or site refurbishment programmes.
What they buy
Access-control firms tend to spend on field-service software, job scheduling, CRM, quoting, stock control, accounting and service-contract administration. Installer-led businesses also need fleet support, tools, electrical materials, trade insurance, subcontractor management and health-and-safety documentation. Where clients require identity management or biometric recognition, suppliers may also buy cyber security support, data-protection advice, staff training and audit documentation. Recruitment and training services can be relevant when firms need more engineers, while marketing spend is usually practical: local search, tender support, case-study writing and bid documentation. For sellers, the clearest fit is often anything that reduces site rework or improves maintenance-contract visibility.
Why and how to sell to them
Access-control buyers tend to evaluate vendors when service work starts to strain a small operations team, when they win a multi-site customer, or when regulated activity adds more paperwork. Other triggers include hiring installers, moving from one-off installations into maintenance contracts, adding key holding or guarding, and handling more identity-based entry systems. Outbound messages usually land better when they connect to operational friction: missed call-outs, slow quotes, weak subcontractor visibility, poor proof of compliance, or margin leakage on remedial visits. A practical pitch should show how the offer helps them protect response times, document work and keep engineers billable.
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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Frequently asked questions
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