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Manned Guarding Companies in Portsmouth: 40 Active Firms (2026)
Manned guarding companies provide staffed security, patrol and site protection services across Portsmouth and its metropolitan area.
Buying centres tend to sit with facilities, estates, risk and operations teams rather than technology or procurement alone. The sell is usually a labour-and-compliance service: staffed rotas, mobile response, keyholding and site-specific assignment instructions for commercial premises, public-sector locations, construction sites, venues and managed residential schemes. Engagements range from standalone reception or out-of-hours cover to contracted patrol schedules across property portfolios. The commercial motion is therefore relationship-led, with margin shaped by shift density, travel time, supervision and the ability to fill unsocial-hours posts.
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Portsmouth has 40 actively trading manned guarding companies in this list, a small local cohort by the standards of labour-intensive security services. Reported employment totals 638 people among firms that state a headcount; every firm in that reporting cohort records some staff. That footprint fits a market built around shift delivery and site coverage: even modest operators need supervisors, schedulers and guards on payroll or regular engagement, while smaller specialists can still serve narrow estates if they keep rosters tight.
Local market structure looks fragmented rather than revenue-concentrated: no Portsmouth operator in this cohort sits above the £5M turnover threshold, and 17 were incorporated since 2022. That matters for buyers because manned guarding contracts usually test operational discipline before supplier scale: screening, rota control, site instructions, incident reporting and cover during sickness or leave. Work for public-sector sites or venues adds more formal tendering and audit expectations, but the commercial pressure is still practical: can a provider staff the post, evidence the shift and resolve exceptions without uncontrolled overtime or missed cover?
Future movement appears likely to be shaped less by new service categories than by execution quality. The cohort has many features of an early-commercial local services market: newer entrants, few apparent scale-ups and a reliance on labour availability rather than software leverage. Buyers are likely to keep asking for tighter proof of attendance, incident logging and supervision, while smaller providers may find back-office burden harder to absorb. Consolidation would not be surprising, but local relationships and fast cover can still protect specialist operators.
40
Active firms
2026
17
Recent incorporations
since 2022
0
Above £5M
reported revenue
Key facts
42% of the cohort was incorporated since 2022 (17 firms), so a sizeable share is in its first few filing cycles.
Manned guarding in Portsmouth covers staffed security, patrol and site-protection work where organisations still need people on premises rather than remote monitoring alone.
Buying decisions tend to be local, with coverage, shift patterns and response times weighed alongside contract price.
Out-of-hours premises make rota design and on-site availability central to service delivery.
Top Portsmouth Manned Guarding companies
Stag Security Services Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides manned security services including uniformed static guards, mobile patrols, warehouse and factory security, close protection officers, and remote CCTV monitoring. Also offers bespoke…
Serves businesses in Hampshire and southern England, including warehouses, offices, factories and building sites, plus corporate, sporting, TV and individual clients needing security support.
Financial Health
StableStable · Hiring · 8% CAGR over 2y
Location
KEVIN TIBBLE CONSULTING LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · 0% CAGR over 4y
Location
DANNY'TRS LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy · Growing · 0% CAGR over 4y
Location
VESPASIAN SECURITY LIMITED
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsProvides security services including door supervision, event crowd management, stadium spectator safety and facilities security. Supplies stewards and security staff for festivals, sports venues,…
Serves event organisers, stadiums, licensed venues, large business facilities, film productions, national monuments, local government and private individuals in the UK and abroad.
Financial Health
StrongStrong · Growing, Hiring · 20% CAGR over 1y
Location
DEFENDER SECURITY AND GUARDING SERVICES LIMITED
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsFinancial Health
DistressedDistressed
Location
Goldcrest Guarding Security Services Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides security services including manned guarding, mobile patrols, keyholding and alarm response, security dog handlers, concierge and front‑of‑house staff, gatemen and traffic banksmen, and…
Serves local government, leisure operators, construction sites, vacant-property owners and commercial organisations across the South of England needing outsourced site security and response cover.
Financial Health
StrongStrong
Location
ADP SECURITY SYSTEMS LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
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
KLG Associates Limited
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy · Growing · 0% CAGR over 4y
Location
Equaliser Close Protection Services Ltd
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
HealthyHealthy · 0% CAGR over 2y
Location
DET4 SECURITY SERVICES LTD
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsFinancial Health
StrongStrong
Location
B-Safe Event Security Limited
Trajectory
2y · 2023–NowFinancial sub-scores
Computed from 2 filingsFinancial Health
StrongStrong
Location
Jenkyn Prevent Consultancy And Training Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StrongStrong · Hiring · 19% CAGR over 4y
Location
642 Services Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy · 0% CAGR over 4y
Location
Ford's DIY & Maintenance Services Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides security services including manned security guarding, event and licensed premises security, front-of-house reception support, and security consulting for businesses, venues and organisations…
Serves commercial clients and organisations needing SIA-approved security, including licensed premises, event organisers, and sites requiring guarding, front-of-house support or consultancy for…
Financial Health
WeakWeak
Location
Eliteserve Ltd
Trajectory
3y · 2024–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
DistressedDistressed
Location
SB Security Solutions Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides security services including static guarding, door supervision, backstage and event security, and close protection for venues, events, and individuals. Also delivers security training courses…
Serves UK businesses and organisations running venues, clubs and large events, including blue-chip corporations, plus high-profile individuals and people seeking security training courses.
Financial Health
StableStable · 0% CAGR over 4y
Location
JSA Security Services Ltd
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsFinancial Health
StableStable
Location
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How Portsmouth Manned Guarding companies work and how to sell to them
What they do
Revenue is usually built from chargeable guard hours, with monthly invoicing against agreed rosters and extras for call-outs, lock-and-unlock visits, mobile patrols, reception cover or short-notice event shifts. Gross margin depends on the spread between wage cost and the client rate, but leakage comes from overtime, travel, supervision, uniform, screening and unfilled posts. Some Portsmouth operators will package several duties into a managed site-security contract; others sell narrower cover for one property, construction site or residential scheme. The service is not just labour supply: buyers expect assignment instructions, licence checks, incident notes, escalation paths and named supervisors who can intervene when a shift goes wrong.
Who they sell to
Customers are typically organisations with physical premises, public access, assets left on site or duty-of-care exposure outside office hours. Common buyers include facilities managers, estates directors, operations managers, property managers, construction project teams and heads of risk; finance or procurement often enters once recurring spend or tender rules apply. Smaller jobs are often sold through local relationships and site walks, while venue, public-sector and multi-site property work tends to involve written method statements, references, insurance evidence and a price schedule. Sales cycles range from urgent cover agreed quickly to tender-led awards that take longer, especially where mobilisation, vetting and service transfer need to be planned before the first shift.
What they buy
Most manned guarding firms tend to spend on systems and services that protect roster reliability and evidence the work done. Useful categories include workforce scheduling, time and attendance, payroll, HR case management, licence tracking, screening support, lone-worker monitoring, incident reporting, keyholding records and basic CRM. Recruitment services can matter when unsocial-hours posts are hard to fill, while accountancy, insurance broking, employment-law advice and bid-writing support often sit close to owner-managers. Hardware and field kit are also routine purchases: radios, phones, body-worn devices, uniforms, signage, vehicle support and access-control peripherals. Sellers should expect cost scrutiny because many providers operate on narrow labour margins.
Why and how to sell to them
Commercial pressure usually sits in the gap between what was promised in the contract and what happens on the roster at short notice. Manned guarding buyers tend to evaluate suppliers when they win a new site, miss cover, lose a supervisor, take on more guards, prepare for a tender or need cleaner audit trails for attendance and incidents. Outbound messaging works better when it maps to those operational triggers rather than general efficiency claims. The useful angle is often concrete: fewer manual rota changes, faster guard onboarding, clearer licence and right-to-work checks, less payroll rework, better evidence for client reviews, or reduced overtime caused by late shift changes.
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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