Security Systems Maintenance

Spy have been installing, maintaining and monitoring business security systems for over 32 years. We are also happy to take over and maintain business alarm systems that were installed by other suppliers!

Why do I need a maintenance contract for my alarm?

  • Increased reliability and therefore less disruptive false alarms.
  • Lower running costs as maintenance is cheaper than emergency call-outs.
  • Guaranteed response time of 4 hours, 24 hours a day, 365 days a year. Non-maintained customers do not get this.
  • Heavily discounted call out charges in the event that something does go wrong.
  • If you want your system to have Police response, it must be maintained by a  company with a police recommended accreditation – such as NSI Gold.

We can maintain ANY system

We don’t just service and maintain our own installations, we can offer maintenance contracts on any type of system. Because our geographic focus is in London and the South East, we are able to keep our costs down and we pass that saving on to you. Call us now on 01689 887 626 for a FREE QUOTE. We think you’ll be pleasantly surprised.

We are NSI Gold accredited and all our Service Engineers carry identification and spares. In most cases faults can be resolved through one visit. If we feel a specialist part may be needed, our skilled engineers will come with one in hand to cause you minimal disruption.
We offer same day call out to monitored system customers and Service Contract customers will always take precedence.

For emergency out of hours assistance our field engineers are on call 24 hours a day, 365 days a year and can be contacted on 0844 335 0508. Please have your installation / account number to hand, along with any relevant passwords.


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We will endeavour to respond to you within 2 hours (during usual business hours).

Our accreditations:

NSI Gold AwardSafe Contractor ApprovedBAFE Fire Accreditation - SP203 - Part 1 Modular SchemeMetropolitan Police Gold Award

Insurance Discounts

Please remember that many insurers offer discounts on insurance premiums for premises fitted with industry approved alarm systems such as those above.

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