A1 Security has built a strong reputation across mainland UK for providing professional, reliable, and highly trained manned security services. We understand that security is not just about presence—it's about professionalism, vigilance, and trust.

Our team consists of fully SIA-licensed security professionals who undergo rigorous training and continuous development. We take pride in every assignment, whether it's safeguarding a corporate office, protecting a retail space, managing event security, or securing construction sites around the clock.

We understand that security concerns can arise at any time, which is why we offer 24/7 availability with rapid response times. As a nationwide security provider, we combine local expertise with the reliability and resources of a professional security company you can trust.