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Security Systems– Alarms and CCTV Specialist

Hill Security Systems Ltd are a small, but professional security systems company. We install quality intruder alarms, CCTV and other security technology. Our business delivers to our customers both a personal and very competitive service. Also our expert knowledge is a result of having over 20 years of experience within the industry. We are now based in Welwyn Garden City in Hertfordshire, although we are also very well known with our customers in Middlesex and London.


Hill Security Systems are a SSAIB approved installer of intruder alarms. Therefore you can be assured of a high standard installation carried out with professionalism and care.

Service Guarantee

You can trust us to provide you with a quality service, because people count on us to fit only quality security technology. Also, all of our equipment is guaranteed for at least one year. Therefore, you can enjoy peace of mind and up-to-date protection. Our reputable equipment can be relied upon and we have a service to match.

Customer Service

Our customers highly recommend our expert engineers due to our attentive service. Due to this, we have loyal clients that return year after year. This is because Hill Security Systems provide 24 hour technical phone support for our new and regular customers. In addition, we are happy to carry out emergency repairs at short notice, subject to availability.

We can secure your premises within as little as a few hours, with a simple intruder alarm or CCTV system. Furthermore, for larger projects, we can assure you of an expertly designed installation and at a very competitive price.

Security Survey

If you would like to find out how we can help you, we can provide a FREE survey. This will guide you to the right design and products. We can then match your needs with the best product for your premises. Request A Security Survey or to discuss your needs please call 0800 11 852 11.

Our Services

We work with both home, residential buildings and small to medium sized business premises. We offer installation, maintenance and repairs for-

  • Intruder Alarms
  • CCTV
  • Access Control
  • Door Entry Systems
  • Fire Alarms
  • Security Lighting
  • Secure Gate Access

Our Work Area

Hill Security Systems Ltd covers many areas surrounding London, Middlesex, Hertfordshire and nearby. For example, our most popular areas include-

  • St. Albans
  • Watford
  • Welwyn Garden City
  • Hemel Hempstead
  • Stevenage
  • Hatfield
  • Amersham
  • Harrow
  • Uxbridge
  • Pinner
  • Edgware
  • Barnet
  • Enfield
  • Finchley
  • Wembley
  • Hounslow
  • Acton
  • Hayes
  • Ealing
  • Chiswick
  • North London
  • West London
  • Central London