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A3 Security Services Ltd logo

A3 Security Services Ltd

London, Greater London


Get a free quote from this professional

Get a free quote from this professional

‘19 Certificate of Excellence, 2019


We are A3 Security and have been in the industry for over 18 years providing business to business services such as Security Guarding, CCTV installation and monitoring. New for this year we are offering our services to individuals, all our guards are licensed and offer high-quality services to our clients.

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2 hires on Bark

Reviews (8)

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8 customer reviews

29 April 2019

Great, fast and very professional. Highly recommended. thanks Rossana

12 May 2018

CCTV Installation

Brilliant service and fast installation! Pleasant and professional, Arnaldo is the one for your CCTV needs. Will definitely use A3 Security again in the future.

3 May 2018

Top Notch service, very satisfied with results.

10 April 2018

Got CCTV installed at home for some extra added security and it's great! We can check it anywhere! Only problem is my wife spends her days watching the bloody dogs now. Very fast and reliable service, explained how everything worked so even I understood More...

8 April 2018

Installed a security system in our home after some recent vandals smashed up our garden, very professional service, and very informative - feel much safer in our own home now.

8 April 2018

I had camera's installed last week and Im very impressed with the quality of the job done. 10/10 would recommend to anyone looking for professional CCTV work to be done

8 April 2018

Installed security cameras at front and rear of house. I’ve been so impressed with the quality of both the cameras and the fitting. Truly professional!

8 April 2018

Had CCTV fitted at my work place and they’ve worked perfectly! I can check them 24/7 from anywhere remotely and keep an eye on my business even when I’m not there! The service was fast and efficient. I highly recommend them. More...


My favourite part of my job is working with new technology. I regularly take part in many security events to keep up with whats happening in the industry. My job also includes developing skills and knowledge of what happens in London, I'm always up to date with news so I know the dangers that my customers and employees face.

What inspired me was the need to offer people a security service that offers quality products and services as most often what's available tends to be overpriced and low in quality. With new technology, it is now possible to have the products or service you want to suit all needs.

We offer a bespoke service for each client based on their budget and needs and always aim to offer the best quality at the best price.


All our guards are licensed and offer high-quality services to our clients. We offer Security Guards for Shop floors, Offices, Construction Companies and the list doesn't stop.

We have amazing CCTV products to offer our clients and fully support our product.

We can Monitor Sites for you for 24 hours 7 days a week

We offer a Mobile Patrol Service that is normally taken with CCTV Monitoring and Security Guarding.