About Us

Who we are?

ABN Security Systems Ltd was founded in 2009 by Daniel Overy after gaining experience within multiple areas of the security industry. Our growing team of engineers have over 25 years experience between them.

ABN is focused on offering great customer service and unbeatable value for money. Since 2009 we have seen year on year growth which is mainly thanks to returning customers and referrals from our ever growing base of happy clients.

Our aim is to provide expert advice and the highest quality of workmanship in the security sector. All works and arrangements are undertaken by us, delivering services promptly to our clients whilst maintaining a courteous and positive attitude.

We are based on the outskirts of London for easy access to all major motorways, ensuring that ABN Security Systems Ltd are able to provide a fast and efficient security service to all of our customers within the M25 and surrounding counties.


We are always looking for motivated and ambitious individuals to join and expand our company.

Current Positions Available:

Please send your CV to: info@abnsecurity.co.uk

Book your FREE SURVEY today

To find out how much you could save simply call 07787 427 214 or simply hit this button to complete our online form.

Why Choose Us?

We fit security systems you can trust

We understand that choosing a new or replacement security system can be daunting if you aren’t familiar with the terminology or the technical jargon used. This is why, at ABN, we aim to involve and guide you through every step of the process. From the design to the installation of CCTV, access control and alarm systems – our process is as transparent as possible.

We listen carefully to your requirements and create bespoke solutions that will really work for you on a daily basis, keeping you fully informed at every stage of the process.

At ABN, we believe in a mix of high technology and excellent value for money. This enables us to find the very best solution to meet your needs, at a competitive price. If you need any more assurance of the exceptional quality of our services, we’re also proud to be an SSAIB accredited company.

People we work with

Our specialist team of security consultants & installers have worked with clients of all sizes, and in many different industries. We help homeowners and individuals by providing great value security systems that don’t cost the earth.

Don’t make security an afterthought

If you value the hard work you’ve put into building your company, it is well worth investing in a watertight security system to protect it from future risk. If you delay, you could lose more than just money. So, if security is last on your to-do list, it’s high time you made it a priority.


We offer a 24 hour call out service to you all year round. We also guarantee no high pressure sales and let our expertise speak for itself.

Crime rate in your area

Check the crime rate in your area. Simply click the link below and enter your postcode to receive up to date information.

Crime Maps UK

Switch to us

If you have an existing security system which was installed by another supplier, you can still benefit from our security and fire detection expertise. ABN can be trusted with monitoring and on-going maintenance.