Existing clients: 0208 207 0900

New enquiries: 0207 887 2073

Existing clients: 0208 207 0900

New enquiries: 0207 887 2073

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The very best standards of fire equipment & service We won't be beaten on price or service

  • Exceptional standards of work
  • Your one stop for all fire & security needs
  • Over 10,000 systems installed
  • Aftercare service guaranteed
  • We warrant that, for a like-for-like quotation, we won't be beaten on price
  • We do not use sub-contractors; all our engineers are full time employees of the company

Call us today on 0207 887 2073

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Fire alarm maintenance Servicing London & Home Counties

Regular maintenance of your fire alarm systems is not only vital for upholding health and safety measures, it is also a requirement by law.

AAI Security Systems provide the leading fire alarm maintenance service in the Greater London and Home Counties area, with our engineers fully equipped to carry out testing and servicing at all premises. We provide our excellent services to residential and commercial clients.

NSI Fire Gold accreditation

The benefits of our fire alarm systems include

We are an accredited fire alarm company »

We have a NSI Fire Gold standard – the industry's highest standard of fire alarm design and installation of systems.

Our latest alarms, detectors and lighting systems offer 24/7 peace of mind »

We offer fully certified systems under the National Security Inspectorate, our alarms may not prevent a fire from starting – however they are proven to GREATLY reduce the risk of injury or loss of life.

Trusted Fire Alarm Company in London

As an NSI Gold Fire-approved company, all of AAI's maintenance work is of an exceptionally high standard, with accreditation from both the FSA and BAFE cementing our position as the most reliable providers of this service in the region.

AAI are on hand to perform checks on all detectors, sensors, wiring and triggers within the system, ensuring that your fire alarm system remains fully operational at all times.

Our engineers are available 24/7 in order to carry out emergency repairs on any faulty alarm systems, with competitive rates across all of our servicing work in London and the Home Counties.

We can even take over the maintenance of existing alarm systems, so you can rest assured that your fire safety is in the hands of leading industry professionals with almost 30 years of experience.

Get in touch with AAI Security Systems today to find out more about our fire alarm maintenance service.

We cover London & the home counties including the following areas:

Central London

North London


  • Rickmansworth
  • Bushey
  • Watford
  • St.Albans
  • Hemel Hempstead
  • Pottersbar
  • Hatfield
  • Hertford
  • Hoddesden
  • Waltham Abbey


  • Stanmore
  • Edgware
  • Harrow
  • Pinner
  • Ruslip
  • Northwood

West London


  • Harlow
  • Epping
  • Loughton
  • Chigwell
  • Woodford
  • Chelmsford