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Manned Guarding Companies in Cardiff: 93 Active Firms (2026)
Manned guarding companies in Cardiff provide staffed security, site patrol and access-control services across the city and surrounding metropolitan area.
Buying centres cluster around facilities management, estates, operations and procurement, with buyers usually judging suppliers on cover, supervision and incident handling rather than on software features. The Cardiff customer base is likely to be mixed: commercial premises and logistics sites need regular rosters, construction projects need gatehouse and perimeter cover, while education, event and public-sector buyers tend to buy through more formal contract processes. Engagements usually look like recurring contracts with rota cover, relief staffing, shift scheduling, supervisory visits and service review, not ad hoc advisory projects.
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Cardiff has 93 actively trading manned guarding firms, making the market a local contractor base rather than a national facilities-outsourcing universe. Reported employment totals 1,328 people, underlining that the footprint sits in officers, supervisors and schedulers rather than intellectual property or stock. The practical market context is therefore capacity: which firms can staff recurring shifts, provide relief cover, keep training evidence current and absorb short-notice changes from commercial, construction, logistics, education and public-sector clients.
Security licensing, vetting and labour compliance shape procurement more than formal product regulation. Buyers in public-sector, education, logistics and construction settings tend to ask for evidence of right-to-work checks, training, supervision, incident escalation and insurance before awarding recurring contracts. Guarding also exposes contractors to wage-cost pressure, absence cover and worker-safety obligations, so margins can be sensitive to roster design and relief staffing. For event and front-of-house work, reputational risk sits close to the buyer because guards interact directly with visitors, tenants and site staff.
The cohort appears likely to remain service-led, with competition turning on staffing reliability, supervisor quality and contract administration rather than proprietary technology. Many operators will tend to stay local because rota density and travel time matter in guarding economics. Scale is still possible, but it usually requires disciplined recruitment, back-office scheduling and the ability to pass buyer audits without adding too much overhead. Consolidation may appeal where owners want succession options, although labour availability and procurement scrutiny are likely to keep growth uneven.
93
Active firms
2026
3
Over £5M revenue
reported annual revenue
34
Incorporated since 2022
newer local operators
Key facts
About 3% of the trading cohort reports turnover above £5M (3 of 93 firms) — the rest sits below that revenue band.
36% of the cohort was incorporated since 2022 (34 firms), so a sizeable share is in its first few filing cycles.
Buyer selection tends to centre on shift coverage, vetting processes, response times and local labour availability.
Services commonly cover premises, events, construction sites and workplaces across Cardiff and the surrounding metropolitan area.
Contracts span static guarding, mobile patrol, access-control and facilities-adjacent work rather than one uniform service model.
The category sits close to facilities management and risk operations, with delivery shaped by staffing and site coverage rather than software-led security.
Top Cardiff Manned Guarding companies
Safestyle Security Services Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides security services including manned guarding, mobile patrols, keyholding and alarm response, and CCTV monitoring. Also delivers event and stadium security, crowd management, traffic…
Serves businesses, event organisers, venues, councils and residential clients across Wales, including retail, commercial, construction, sports stadiums, nightlife, hotels, film/TV productions and…
Financial Health
StrongStrong · Hiring · 11% CAGR over 4y
Location
Goldcrest Security (Services) Cymru Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides security services including static guarding, retail and corporate security, event and film/TV set security, mobile patrols, key holding, and alarm response. Security personnel also support…
Serves corporate, commercial, retail and industrial businesses, TV/film productions, event organisers and public-sector organisations, with an emphasis on Cardiff, South Wales and wider UK clients.
Financial Health
HealthyHealthy · Hiring · 10% CAGR over 4y
Location
SPECIALIST SECURITY CO LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides manned security services to public and private sector organisations, supplying security officers for sites such as campuses, offices and residential properties, and delivering incident…
Serves public and private sector organisations in Wales, including local authorities, universities, property managers and operators of residential, commercial and public-facing sites.
Financial Health
HealthyHealthy · 2% CAGR over 2y
Location
Overt Security Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides contracted security services including manned guarding, door supervision, mobile patrols, alarm response, key holding and crowd management. Also supplies and monitors wireless video detector…
Serves businesses and site operators across South Wales and South West England, including licensed venues, commercial premises, construction sites and void-property owners.
Financial Health
WeakWeak · Hiring · 57% CAGR over 4y
Location
ROCKET SECURITY LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides security services including event and festival security, corporate and hotel door security, static guarding, and mobile patrols, supplying personnel for venues, events, and sites requiring…
Serves B2B buyers responsible for safety at events, festivals, stadiums, hotels and corporate sites, including venue operators and facilities managers, with an emphasis on South Wales clients.
Financial Health
HealthyHealthy · Hiring · 15% CAGR over 3y
Location
GO4GOLD FACILITIES MANAGEMENT LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides security services including static guarding, event security, door supervision, CCTV monitoring and alarm response. Supplies security officers for construction sites, retail premises and…
Serves private and public sector organisations needing security staff, including construction sites, retail shops and supermarkets, industrial premises, corporate offices, car parks, events and…
Financial Health
StrongStrong
Location
CITI SECURITY (CARDIFF) LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides SIA‑licensed security guard services including event security for concerts and festivals, door supervision for licensed venues and hotels, close protection and VIP security, and manned…
Serves event organisers, music venues, festivals, hotels, licensed premises and offices, plus residential clients, VIPs and artists, mainly in Cardiff, Wales and London with UK/Europe coverage.
Financial Health
DistressedDistressed · -19% CAGR over 3y
Location
MKS SECURITY LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak
Location
AP Higgs Locksmiths Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · 0% CAGR over 4y
Location
COLLECTIVE CROWD MANAGEMENT LTD
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides crowd management, security, and stewarding services for live events including concerts, festivals, club nights, outdoor and corporate events. Also offers event security planning,…
Serves B2B event organisers, promoters and production companies in Wales, including live music venues, club nights, outdoor events, festivals and corporate event teams.
Financial Health
StableStable · Hiring · 14% CAGR over 3y
Location
ISEC MANAGEMENT SOLUTIONS LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · 0% CAGR over 4y
Location
JSM Management Group Ltd
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides security, cleaning and waste removal services for businesses and sites. Services include site guarding, key holding, CCTV monitoring, office and builders cleaning, student end‑of‑tenancy…
Serves businesses and property managers nationwide, especially construction sites, offices, student accommodation operators and facilities teams needing outsourced security, cleaning, waste removal…
Financial Health
StrongStrong · Growing, Hiring · 258% CAGR over 3y
Location
ZENRS Ltd
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy · Hiring · 11% CAGR over 4y
Location
Willow Resources Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · 0% CAGR over 4y
Location
LOCKSTAR SECURITY SERVICES LTD
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsFinancial Health
DistressedDistressed · 0% CAGR over 1y
Location
CEC ENTERPRISE LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · 0% CAGR over 4y
Location
ASSERO EVENT SECURITY LIMITED
Trajectory
3y · 2023–NowFinancial Health
Insufficient historyInsufficient history
Location
Tigerbay Security And Business Services Limited
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsFinancial Health
DistressedDistressed
Location
Helmeg Security Ltd
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed
Location
Safety Risk & Resilience Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · 0% CAGR over 4y
Location
CF24 SECURITY LTD
Trajectory
2y · 2023–NowFinancial sub-scores
Computed from 2 filingsFinancial Health
DistressedDistressed
Location
BOI SECURITY LTD
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
DistressedDistressed · -25% CAGR over 1y
Location
Loyal Protection Services Ltd
Trajectory
1y · 2024–NowFinancial Health
Insufficient historyInsufficient history
Location
Mayfair Ventures Holdings Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
StableStable
Location
Sabre North Security Ltd
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsFinancial Health
DistressedDistressed
Location
TITANIUM SHIELD LTD
Trajectory
2y · 2025–NowFinancial sub-scores
Computed from 2 filingsFinancial Health
HealthyHealthy · 0% CAGR over 1y
Location
NEOVIZ SERVICES LTD
Trajectory
1y · 2025–NowFinancial Health
Insufficient historyInsufficient history
Location
PLANET4S SERVICES LTD
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · 0% CAGR over 4y
Location
Mane Security Ltd
Trajectory
4y · 2021–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
StrongStrong
Location
NORTH PLUS SECURITY SERVICE LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy
Location
INNOV8 FACILITIES MANAGEMENT LTD
Trajectory
4y · 2023–NowFinancial sub-scores
Computed from 4 filingsProvides facilities management services for commercial, industrial and residential properties, including security guarding and CCTV, fire stopping and fire door work, planned and reactive building…
Serves businesses in commercial and industrial sectors, plus residential customers, across South and South West Wales and England. Buyers include property/site managers and homeowners needing…
Financial Health
DistressedDistressed · -16% CAGR over 3y
Location
Chamberlains Security (Cardiff) Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy · -14% CAGR over 4y
Location
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides commercial security services including manned guarding, CCTV monitoring, key holding and alarm response, and mobile patrols. Supplies licensed security officers to protect business premises,…
Serves businesses across a range of industries in South Wales and the West Country, targeting organisations with premises, sites or projects requiring outsourced security support.
Financial Health
WeakWeak · -8% CAGR over 2y
Location
K9 Protection Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides manned security services including security guards, mobile patrols, key holding and alarm response. Also installs and maintains CCTV systems, intruder alarms and access control, and supplies…
Serves businesses and homeowners across South Wales, including construction sites, vacant property owners, retailers, farms, student housing operators, holiday rentals/AirBnBs, corporate clients,…
Financial Health
DistressedDistressed · 0% CAGR over 4y
Location
CASTLE KEEPSECURITY (NEWPORT) LTD
Trajectory
1y · 2024–NowFinancial Health
Insufficient historyInsufficient history
Location
KALIS INTERNATIONAL PROTECTION LIMITED
Trajectory
1y · 2025–NowFinancial Health
Insufficient historyInsufficient history
Location
Trw Creative Ltd
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · 0% CAGR over 2y
Location
J Griffiths Services Limited
Trajectory
1y · 2025–NowFinancial Health
Insufficient historyInsufficient history
Location
SAGE PRIVATE INVESTIGATORS LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable
Location
Storm Security Ltd
Trajectory
1y · 2025–NowFinancial Health
Insufficient historyInsufficient history
Location
A Force Of One Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · 0% CAGR over 4y
Location
MARGOBULL LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StrongStrong · Growing · 0% CAGR over 4y
Location
Najma Security Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StrongStrong · Hiring · 6% CAGR over 4y
Location
SAMSON TV & FILM LOCATION SECURITY LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak
Location
Castellum Risk Management Group Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StrongStrong
Location
CAUTELA DIAMOND LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · -68% CAGR over 4y
Location
RS STAFFING GROUP LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed
Location
MAS Training Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
WeakWeak · Hiring · 87% CAGR over 2y
Location
Red Watch Management Ltd
Trajectory
2y · 2023–NowFinancial sub-scores
Computed from 2 filingsFinancial Health
DistressedDistressed
Location
Sierra One Consultancy Ltd
Trajectory
1y · 2025–NowFinancial Health
Insufficient historyInsufficient history
Location
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How Cardiff Manned Guarding companies work and how to sell to them
What they do
Cardiff manned guarding providers earn mainly from contracted labour, invoiced by the hour, shift, site or monthly service schedule. Gross margin sits in the spread between charge-out rates and officer wages, with extra revenue from mobile patrols, keyholding, alarm response, concierge cover, lock-up duties, event staffing and out-of-hours supervision. Pricing tends to reflect licence requirements, unsocial hours, travel time, relief cover, uniform, insurance and supervisor visits. The service is physical and operational rather than product-led: buyers are paying for attendance, accountability, incident logs and escalation discipline, usually under renewable contracts with break clauses and service-level reviews.
Who they sell to
Customers are usually facilities managers, estates teams, operations directors, site managers, procurement leads and finance approvers. Commercial landlords and logistics operators may buy directly from a shortlist, while education, public-sector and event buyers tend to use tenders, approved supplier lists or framework-style procurement. Sales cycles can be brief for a single construction gatehouse or temporary event, but longer where vetting, insurance, safeguarding, union considerations and site audits are involved. Contract values vary by rota pattern and risk profile, so proposals usually need to translate headcount, hours, supervision and escalation arrangements into a clear monthly cost.
What they buy
Most guarding firms tend to spend on workforce scheduling, time and attendance, payroll, HR, compliance training, vetting administration, incident reporting, lone-worker safety, fleet and mobile patrol management. They also buy uniforms, radios, body-worn cameras, access-control hardware, insurance, legal advice, accounting support and recruitment services. Larger operators may need CRM, bid-management, contract-management and management-information tools so supervisors can evidence service delivery across several sites. Back-office suppliers should expect practical buying criteria: whether the product reduces missed shifts, shortens payroll work, improves audit evidence or helps managers price tenders without losing margin.
Why and how to sell to them
Manned guarding operators tend to evaluate suppliers when a new contract stretches rota capacity, a supervisor leaves, wage costs move, a buyer audit is approaching or incident reporting starts to look inconsistent across sites. Newly incorporated Cardiff operators may be more open to outsourced finance, HR, recruitment and compliance support because the founder often still manages sales, scheduling and customer calls. Outbound messages are usually more credible when they refer to margin leakage, officer retention, right-to-work evidence, invoice accuracy or tender readiness, rather than generic efficiency claims. Case-led selling should use buyer types and operating pressures, not named customers.
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.
Also in Cardiff
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Frequently asked questions
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