Business Details
18 Years
experience
Emergency
services
Your Trusted Security Partner in London
G3 Security is a dynamic and innovative security solutions provider established in 2008, committed to delivering high-quality services across the UK. Our operations are grounded in British Standards, including BS7858 for staff vetting and BS7499 for security officer provision, ensuring rigorous compliance and professionalism. We pride ourselves on offering comprehensive Security Management Services, continuously improving our quality standards through monthly reporting systems and regular client meetings. Our team of well-qualified professionals maintains the highest integrity and excellence, with a focus on staff development and client-specific solutions. As an ISO 9001:2015 certified organisation, we provide SIA-licensed, DBS-checked officers trained to handle diverse security challenges. Our approach combines proactive risk management with cutting-edge technology, including guard patrol monitoring systems, to deliver reliable protection for corporate, construction, retail, and event sectors.We prioritise staff welfare through competitive compensation and career development opportunities, ensuring our team remains our most valuable asset. Our partnerships with industry bodies and adherence to equal opportunity policies reinforce our commitment to excellence. With offices in London, Birmingham, and Cambridge, we serve clients nationwide, offering 24/7 support through our control room. Our dedication to client satisfaction is demonstrated through tailored security plans and regular site assessments, ensuring our services evolve with client needs while maintaining industry-leading standards.
Services
Corporate Office Security
Concierge Security
Construction Security
Event Security
Hotel Security
Retail Security
Fire Marshal Services
Dog Security
Key Holding
Mobile Patrols
Details
- Year established: 2008
Highlights and features
- ISO 9001 certified quality management systems
- 24/7 control room support for rapid response
- SIA-licensed and DBS-checked security personnel
- Over 15 years of industry experience
- Customised security solutions for diverse sectors
Associations and certifications
- ISO 9001:2015
- SIA Approved Contractor Scheme (ACS)
Services
Corporate Office Security
Our corporate security officers provide comprehensive protection for business premises, combining proactive risk assessment with advanced access control systems. Trained in conflict resolution and emergency response, our personnel maintain secure environments while representing clients' professional standards. Services include CCTV monitoring, incident reporting, and integration with client safety protocols to ensure business continuity.
Event Security
Specialist event security services cover crowd control, access management, and emergency planning for occasions ranging from corporate functions to large-scale festivals. Our SIA-licensed officers receive scenario-specific training, including anti-social behaviour management and first aid support, ensuring safe environments while maintaining event flow and guest experience.
Construction Security
24/7 construction site monitoring combines physical patrols with electronic surveillance to prevent theft, vandalism, and trespassing. Our guards implement access control systems, monitor high-risk areas using NFC technology, and maintain detailed incident logs. Additional services include fire marshal support and key holding for secure site management during non-operational hours.
Retail Security
Retail security solutions combine visible deterrence with discreet loss prevention strategies. Our ASCONE methodology enables systematic threat detection while maintaining customer service standards. Services include CCTV monitoring, staff training in conflict resolution, and integration with fire safety protocols to protect both assets and personnel across multiple retail environments.
Concierge Security
Dual-function concierge services combine visitor management with security operations, providing professional front-of-house representation alongside threat detection. Officers handle access control, package management, and emergency response while maintaining a welcoming environment for corporate and residential clients through enhanced customer service training.
Questions
What security services does G3 Security offer?
We provide corporate office security, event protection, construction site monitoring, retail security, hotel security, fire marshal services, and mobile patrols across the UK.
Are your security officers qualified?
All personnel hold SIA licences, DBS checks, and industry-specific certifications including ISO 9001 standards for quality management systems.
Do you offer 24/7 security coverage?
Yes, our control room operates 24/7 with rapid response capabilities for emergency situations and continuous site monitoring.
How do you ensure service quality?
Through ISO 9001-certified processes, regular staff training, guard patrol monitoring systems, and client feedback mechanisms for continuous improvement.
Can you provide security for one-off events?
We offer flexible event security solutions for temporary requirements, including festivals, weddings, and corporate functions with short-notice availability.
What areas do you cover?
We operate nationwide with primary coverage in London, Birmingham, Cambridge and surrounding regions across England and Wales.