Trusted Key Holding Service & Alarm Response in Colchester

With our highly-trained and experienced team, Zed Security and Guarding is the most trusted provider of key holding services and alarm response in Colchester. With a long-standing reputation for delivering excellent levels of service, Zed Security and Guarding has been working with businesses across Colchester and further afield since 1983. Whatever your security requirements, our friendly staff are on hand to explain how we can best meet your needs with a fast, efficient and cost-effective manner.


Colchester’s leading key holding company

Zed Security and Guarding has an unrivalled reputation as the leading firm in Colchester for key holding and alarm response services. Whatever the size of your business, our team of experienced security professionals are available to monitor your premises and protect the assets that are most valuable to you. All of our security employees are guaranteed to be SIA licenced and strictly vetted to BS7858 standards, so why not join our high-profile clients.


See the latest news and blogs from Zed Security

Festival safety tips

June 18, 2024

Summer is here and that means it’s festival time. And whether you are going to Glastonbury or the Isle of Wight Festival, whether you are a […]

Can festival security strip search you

May 15, 2024

Ensuring the safety of hundreds of thousands of festivalgoers is no easy task. Most revellers are there to enjoy the music, have a good time and […]

Can a security guard detain you?

May 13, 2024

Security officers serve on the frontline providing watchful eyes at events and venues and offering advice and support to keep everyone safe. They are sometimes referred […]


Read what others say about ZED Security and our services

We pride ourselves on our exceptional service from manned guarding, static security, door supervisors, event security, mobile patrols, stewards, key holding services, alarm response and counter terrorism services. Here is some extracts from just a few of our many references and testimonials

  • D. Cottrell, Logistics Manager
    I have been using Zed Security for the past 4 years and have always been completely satisfied with the service they provide…
    D. Cottrell, Logistics Manager
    NHS East Suffolk and North Essex
  • Charles R Chase, Chief Executive Protection Unit
    I very seldom write letters of commendation to security companies, but the service I received… was the most professional and experienced that I have worked with in recent times… I congratulate you and your colleagues for a job well done. I enjoyed coordinating the visit and working with your team members.
    Charles R Chase, Chief Executive Protection Unit
    International Monetary Fund
  • S. Short, Ops Manager
    I cannot recommend Z Security highly enough, we have worked together for a number of years now on large scale events such as Tom Jones, Craig David, Tears for Fears. The Team are always helpful, professional and calming throughout the entire process…
    S. Short, Ops Manager
    Liz Hobbs Group
  • Carl Saville
    Each and every member of their (Zed Security and Guarding) staff are always prepared to do whatever is necessary to facilitate the smooth running of our events and ‘go the extra mile’ without fuss or drama!
    Carl Saville
    The European Championships
  • D Sadai, Safety Officer
    Any extra demands or challenges that we impose on them (Zed Security and Guarding) are dealt with positively, with a smile, without complaint and it is a pleasure to have them on board.
    D Sadai, Safety Officer
    Essex County Cricket Club
  • M. Whitehead
    Thanks to you (Zed Security and Guarding) for such a professional job… your team sensed when and where security was needed and just got on with it… I cannot thank you enough for the way you all dealt with the sad end to the evening… you and your team were there in no time and dealt with the situation....
    M. Whitehead
    Trinity Hall, Cambridge
  • Ria and Emma
    Thank you for providing efficient and friendly staff, and I hope some of them will be back next year.
    Ria and Emma
    King’s Affair, Cambridge
  • Jack Mason
    You guys were awesome!
    Jack Mason
    Cage Warriors Academy