Since forming in 1995, we have quickly established ourselves as one of London's leading security systems providers. Commercial National Security Systems Group provides security systems and alarm systems products in London. We are NSI Gold Company offered including fire alarms London, commercial alarm systems, intruder alarm London, CCTV systems installation and access control systems. We appreciate that you need to get the best value for your investment and need a security system that is effective and reliable, and can be installed and operated with minimum disruption.

Serviced Areas

  • Chingford, South Woodford, Woodford Bridge, Buckhurst Hill, Loughton, Clayhall

Contact Details

  Website
  City Harold Wood
  Postcode RM3 8SB
  Phone Number 01708 370643
  Tollfree 0800 0836 400

  • I would recommend this business

Hello, I'm a new business owner and having a trusted alarm system fitted has always been something I needed to have. From the start to the end of the NSS's service, I've been so pleased with everything the guys here has done.

Value for money
Service & support
Quality
Location
Overall ratingExcellent

  • I would recommend this business

NSS has the best 24hr technical support out there. No matter what time of day it is they answer or call back within minutes. The problem is always sorted and the engineers on call are always nice and friendly even if they have been woken up in the middle of the night.

Value for money
Service & support
Quality
Location
Overall ratingExcellent

Customer Testimonials

Excellent quality service. Very quick to respond and great support service.


Cannot fault the services provided by NSS. I was introduced to NSS on the recommendation from a friend and the engineers that installed at my house randeep and hitesh were friendly and very courteous. Thanks


Exceptional service and wonderful staff ! All security requirements were fulfilled swiftly and professionally.

Social Activity

Take a look at crime stats in your area... https://beta.met.police.uk/your-area/
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www.nssg.co.uk 0800 0836 400
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Control your Home from anywhere in the world with our Home Control+ application. Get in touch to find out more. 0800 083 6400 I www.nssg.co.uk National Security Systems Group
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Everyone at NSS would like to wish you a Merry Christmas! It's been a fantastic year and we can't wait to tuck in to all the food! 0800 083 6400 I www.nssg.co.uk National Security Systems Group
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If you have ever posed the question: "How do I secure my home / business against theft or burglaries?" then look no further.. www.nssg.co.uk
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Instant barrier between intruders and your family, as well as property contents.. 0800 083 6400 I www.nssg.co.uk National Security Systems Group
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