Top 23 Security firms based in London, United Kingdom

“G4S is a leading security and facility services company that provides proactive security services and cutting-edge smart technology to deliver tailored, integrated security…”

“TSS is the UK’s largest retail specialist security company, employing over 7500+ security personnel.”

“CIS Security is an independent security company equipped to help customers to solve the complex challenges in today’s digital, connected and regulated business world.”

“Corps Security - experts in security with social value Built on over 165 years of experience, Corps provides specialist security services, across the UK, to ensure the safety of…”

“Ward is an award winning, privately owned business, providing bespoke risk and security solutions including protective security personnel, explosive search dogs, narcotic search…”

“Established in 1994, Interr is a specialist agency providing intelligent guarding, reception, remote monitoring & response and front of house solutions within the retail, hotel…”

“Get Licensed is the UK's leading provider of security training, screening, and staffing solutions.”

“QCIC is an award-winning global engineering firm specialising in designing, building and running security systems.”

“The Keyholding Company are a tech-enabled mobile security services company, specialising in alarm response, mobile patrols, locks and unlocks, emergency and temporary guarding…”

“Vigilant Security provides a range of services including keyholding, corporate security, event security, mobile patrols as well as specialist services throughout the UK.”

“CGS is a dynamic and professional FM company, specialising in customer focussed security provisions and cleaning specialists.”

“At Servoca Secure Solutions, we take great pride in delivering a multi-service security business; offering a range of complementary products and services to both the public and…”

“We are Veteran Owned, Veteran Operated Security company based in London (HQ), with operation nationwide.”

“KK Security was established in 2014 with the goal of keeping people safe.”

“City Security Services (CSS) have more than 25 years’ experience within the corporate security, public sector, education and social housing markets delivering manned guarding…”

“Vigilance is a pioneering security company with a proud military heritage.”

“WLS (West London Security) has been providing security and solutions to London's homes and businesses for over 40 years.”

“Black Diamond Security - Safeguarding Your World.”

“Established in Custom Intelligent Security is a technology driven ISO27001 & NSi Gold Accredited independent electronic security specialist with a proven track record of…”

“In today’s complex threat environment, businesses, individuals, and organisations require trusted partners to provide the ultimate assurance that their assets are well protected.”