Ensuring safety and security is a top priority for businesses and individuals alike.
London’s security companies offer a wide range of services, including manned guarding, CCTV installation, alarm systems, and cybersecurity solutions.
Here are the 15 best security companies in London for 2025, showcasing their specialties, histories, key people, and benefits for new clients.
1. Securitas UK
Benefits for New Clients:
Free security assessments for new customers.
24/7 customer support and rapid response services.
2. G4S London
Benefits for New Clients:
Tailored risk assessments.
Discounts on long-term contracts.
3. Mitie Security
Benefits for New Clients:
Free consultation for integrated security systems.
Competitive pricing for small businesses.
4. Banham Security
Benefits for New Clients:
Free security survey for residential properties.
Discounts on first alarm installations.
5. ADT Fire & Security
Benefits for New Clients:
Free installation for new customers.
24/7 monitoring services included for the first year.
6. Axis Security
Benefits for New Clients:
Tailored security plans for corporate clients.
Discounts on event security packages.
7. Wilson James
Benefits for New Clients:
Complimentary security consultancy for large-scale projects.
Flexible pricing options for short-term contracts.
8. ICTS UK & Ireland
Benefits for New Clients:
Free cybersecurity audit.
Discounts on event security for first-time clients.
9. The Keyholding Company
Benefits for New Clients:
First month free for new keyholding contracts.
Free risk assessments.
10. First Response Group (FRG)
Benefits for New Clients:
Free initial site survey.
Discounts on bundled services.
11. Verisure Smart Alarms
Benefits for New Clients:
Free installation and activation for new customers.
Discounts on smart home packages.
12. VPS Group
Benefits for New Clients:
Free initial consultation.
Discounts on first-time CCTV installations.
13. Magenta Security
Benefits for New Clients:
Carbon-neutral security solutions.
Free risk assessments for new customers.
14. Securewest International
Benefits for New Clients:
Complimentary travel risk assessments.
Discounts on executive protection packages.
15. Ultimate Security Services
Benefits for New Clients:
Free concierge training for existing staff.
Tailored security packages for luxury properties.
