020 8393 1441


DSI has been looking after security matters for over 20 years. Located in Ewell, Surrey and serving London and the Home Counties and all over the UK, we have a team of highly professional specialist suppliers and installers of complete computer, telecommunication and security solutions.

By placing emphasis on high levels of expertise and good quality service, the company has built up a team with the necessary skills to specify and implement solutions for both the residential and commercial markets.