Since its installation, Dennis Johns Service Group is proud to have remained term contractor for the maintenance of CCTV throughout the London Borough of Hackney.

We also work with numerous London Boroughs and Commercial clients. Our preventative and responsive maintenance services mean that we have impacted both on efficiency savings and Key Performance Indicators for our Public Sector clients. Our 24/7 maintenance ensures that our partner agencies can efficiently respond to and resolve incidents – when it really matters.


Read more about how Dennis Johns Service Group is helping to make London a safer place to work and live: