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Tailored Protection,
Trusted Results
From corporate and retail security to events, construction, and mobile patrols, G3 Security provides tailored protection you can rely on, 24/7.
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Years of Experience
Security Services in London
Leading Security Service Provider in UK with Exceptional Quality Management Skills
G3 Security Ltd offers a range of security services centralised around high quality and top standards, our code of conduct remains the same for all security provisions. If you are looking for a professional security guarding service which you can rely on and take pride in making them part of your business, you are not going to be disappointed with G3 security Ltd. Our mission is to secure your business and assets whilst maintaining high professional standards which are expected from any world leading organisations. Please visit our services page to see the range of services we provide.
About G3 Security Company in London
G3 is a Leading Provider of Security Services for All Sectors
G3 Security Ltd is a security manned guarding service provider covering greater London and the surrounding areas. G3 Security is an ISO 9001:2015 certified organisation specialised for the provision of for the Security Guarding and provides BS 7858 vetted, DBS checked, SIA Licensed officers.
G3 Security Guards Company is a dynamic and innovative security company committed to providing highly professional, reliable and cost-effective security guarding services in London and solutions to retail, corporate and construction clients as well as to the public sector, healthcare and industrial organizations.
We have been serving the security services industry since 2008 and take forward all the wealth of experience which has been gained in the industry by being member of security industry authority and British security industry association.
We pride ourselves in providing a full range of Security Management Services and are committed to continually improve the contents and quality of our service.
Our Security Services provide high standards of integrity and excellence on all provision of services. Quality and professionalism are integrated in our organization by making it our core mission, vision and value statement. This is the reason that we are one of the leading security companies in London, UK.
Why Choose G3 Security as Your Local Security Company in London
Why Choose G3 Security
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Explore the world safely with G3 Security Services
Proven Protection
Tailored Security Solutions Across the UK
From high-visibility mobile patrols and construction site guarding to comprehensive risk assessments and corporate security, we deliver SIA-licensed protection tailored to your operational requirements.
Our Services
Customized Security Solutions for Your Business
G3 SIA-licensed security, alert 24/7 at your door, designed to protect your assets, personnel, and premises across the UK with reliability.
Corporate Security
G3 Security delivers professional corporate security services designed to protect your business, employees, and assets around the clock.
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Event Security
Secure your event from start to finish with G3 Security’s dedicated professionals, ensuring safety, protection, and peace of mind throughout.
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Retail Security
Our retail security services help create a safe and secure shopping environment by preventing theft, reducing stock loss, and deterring anti-social behaviour.
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About G3 Security
Guard Patrol Monitoring System
We also use a guard patrol monitoring system which is an innovative and easy-to-use security guard tracking solution. It enables you to:
- Show proof of attendance at the site.
- Show evidence of patrolling using NFC tags installed around the site.
- Send incident reports instantly.
- Take and send pictures of incidents.
- Raise an automatic alarm in the control room for missed patrols.
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SIA LEVEL 2 / LEVEL 3 LICENSED
DBS CHECKED
SIA CCTV OPERATOR LICENSED
FIRST AID AT WORK (FAW)
FIRE MARSHAL TRAINING
ACTION COUNTER TERRORISM (ACT) TRAINING
GDPR COMPLIANCE
TRAFFIC MARSHALL
PROJECT GRIFFIN
CONFLICT MANAGEMENT
BS 7858
WHY CHOOSE G3 SECURITY
RELIABILITY YOU CAN COUNT ON
Professional security solutions designed to protect assets and people with confidence. We focus on reliability, quick response, and maintaining the highest safety standards.
£4.5 Bn
Assets We Secure
£3.1 Bn
London Secured Assets
£480 M
Loss Prevention
95%
Returning Clients
50%
Officers with 7+ Years Exp
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Still have questions?
Corporate security goes beyond basic protection, combining access control, threat intelligence, and risk assessment specifically designed for high-value business environments. Standard security reacts to threats, while corporate security prevents them before they occur.
Corporate security services are important for industries like offices, IT companies, healthcare, and manufacturing setups to safeguard your assets, data, employees and visitors. These services played a vital role in maintaining a peaceful environment for different sectors.
One of the best methods to enhance corporate security is to include it as a major part of your business. It encourages you to give a brief knowledge of its importance to your employees and to promote a security culture to get rid of potential threats.
Corporate office security encompasses access control, surveillance monitoring, on-site guards, emergency response, and risk assessments. It ensures safety protocols and strategies are followed within the premises.
All corporate officers are SIA-licensed and comprehensively trained in emergency response, covering fire safety, first aid, and conflict resolution, making sure immediate, professional action to maintain complete workplace safety at all times.
The number of security officers required depends on your office size, layout, occupancy, and specific threat level. G3 Security conducts a thorough assessment of your premises and delivers a tailored security plan with the exact coverage your business demands.
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