020 8393 1441


Having established a loyal customer following over the years based on delivering exceptional service at competitive prices, you can trust DSI to complete work on time, within budget and to the highest standard.

Please read some of our customer feedback on our testimonials page, or visit www.checkatrade.com to see a full list of endorsements.

We can install an intruder alarm system from the modest to the spectacular for all sizes of property and budget, giving you confidence to leave your home safely and securely when unattended.

We also have extensive experience working in homes across London and the South East to secure computers, laptops and data as well as network cabling for home-based work places.

If you're a landlord or homeowner looking for secure keypad controlled access to your property, then look no further. We have a comprehensive list of installation equipment and can tailor-make an entry system to suit all manner of requirements.

Specialist areas of expertise for your home

To find out more about our services and how we can help in your home, please do get in touch.

Brian Stone
T: 020 8393 1441
E: sales@DSIUK.net