Top security companies in the UK

Smart Watch Security is a reputable UK firm providing round-the-clock protection for people and premises. Respecting clients’ privacy, it deploys cutting-edge equipment overseen by seasoned specialists. Its portfolio spans static guarding, event protection, residential-block security and construction sites' security.

Top 10 Security Companies in UK

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Founded: 2019

Address: 48 Gathorne Terrace Leeds, LS8 4AX

Official Website: https://smartwatchsecurity.co.uk/

Top Security Companies in UK

G4S UK – Trading as G4S since the 2004 Group 4 Falck and Securicor merger (with its roots back to 1901), the group is today the UK's largest private-sector security contractor. Its range covers manned guarding and SOC monitoring right through to cash services, prisons, nuclear-site protection and full facilities management.

Mitie Security – Founded in 1987, Mitie has developed into a blue-chip facilities-management group whose security sector delivers guarding, front-of-house, fire & electronic systems, vetting and risk-intelligence services to business and government estates.

Securitas UK – a member of the Sweden-based Securitas AB group, established in 1934—the company has more than 9,000 officers providing on-site guarding, mobile response, fire & safety units and AI-powered remote-video solutions in all of the major industries.

Corps Security – The longest-established on the list. Founded in 1859 to give war veterans meaningful work, Corps is still a social business offering first-class guarding, SOC monitoring and consultancy, and has a strong living-wage philosophy.

Wilson James – Founded in 1991, the firm unites 1,500+ SIA-approved officers with construction-logistics and aviation-services backgrounds, serving over 300 clients from critical-infrastructure owners to blue-chip corporate.

Bidvest Noonan – Formed in 1977 and owned by South Africa-based Bidvest Group, Bidvest Noonan delivers combined security, cleaning and support-services groups to UK and Irish transportation hubs, healthcare networks, retail parks and commercial offices.

OCS Group UK – Since 1900, family-owned OCS has a long heritage. Offering guarding, key-holding, front-of-house and event crowd-management services as part of a broad FM service range that also comprises cleaning, catering and waste.

ICTS UK & Ireland – Founded in 1987 and remaining aviation-security specialists at its core, ICTS today brings together airport screening and dog units with corporate guarding, data-centre security and cyber–physical consultancy.

Triton Security Group – Established in 1994 and Yorkshire-based, Triton offers manned guarding throughout the UK, CCTV fitting/manning, key-holding, mobile patrol and packaged FM, with four-hour rapid-deployment guarantee.

T.S.S. (Total Security Services) – Founded in 1989 and newly acquired by G4S, TSS is Britain's largest guarding specialist in the retail sector, providing store detectives, loss-protection analysis and logistics-chain guarding for leading high-street retailers.