Scores based on 129 reviews

Reliability & timekeeping

Invoice history based on 96 reviews.

Invoice History
Charged as per quote / estimate98.96%
Above quote / estimate: kept informed1.04%
Appointments reported as missed (6 months) 0
Average score 9.83
129 reviews
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Third Eye Installation Systems was established in 2006 and since then has gone from strength to strength.  Our Managing Director has over 35 years' experience in the security industry and together with our dedicated team of Engineers - including his son - and very helpful office staff - including his wife - are proud to offer a high standard of design and installation of security systems.
As an NSI NACOSS Gold accredited company, which is often a requirement of your insurance company, we can provide a range of high quality security products and services for your home and business.  Our Engineers attend regular training sessions and are security vetted and we strive to maintain the highest standards installation.  We aim to give customer satisfaction at all times.
We offer a wide range of commercial and home security services which include:

  • Intruder Alarms - with home control app, monitoring and Police response if required
  • CCTV Systems - HD high quality
  • Access Control 
  • Door Intercoms - audio or video for your home or business
  • We maintain,upgrade, service all security systems

We offer one year's guarantee on all our installation for parts and labour, meaning if anything goes wrong we return to site to resolve any issues.
After 12 months we offer you a further year's maintenance contract which gives reduced rate for any call outs.
Our Engineers are available 24/7 for emergencies and try and resolve problems remotely to avoid a chargeable call out.
If you would like further information about any of our security services for either your home or business, please call us on: 020 8368 1080 or  [email protected]  

Based in


Works in

all North London and postcodes in N, and Hertfordshire and surrounding areas., Barnet, Cockfosters, Crouch End, Finchley, HA, Hampstead, Highgate, Muswell Hill, NW, Southgate, UB EN, Whetstone

Gallery 60 photos

Team photos

Mr Mark Formby

Managing Director