
The expertise and local knowledge of APT Security are now backed by the wider team, resources and support of Spy Alarms. This means customers can continue to rely on the professional security service they know, with the added support and capabilities of Spy Alarms behind them.
If you’ve arrived here looking for APT Security, you’re in the right place. For existing customers, your contract has now transferred to Spy Alarms, and our team will continue to provide the support and security services you need.
With over 40 years of experience protecting homes and businesses across Kent, Surrey, Sussex and London, we understand that every customer has different security needs. From burglar alarms and CCTV to fire protection and access control, we provide reliable, professionally installed systems designed to keep what matters most protected.


In over 40 years of business
Need support, servicing, repairs or maintenance for your existing security system? Our team is here to help.
We'll introduce you to the Spy Alarms team and help you find the right security solution for your home or business.


ONGOING SUPPORT INCLUDED
We have engineers based across South East London
We're well placed to support our customers with installation, servicing, maintenance and repairs.
Why Customers Choose Spy
Complete security solutions, experienced teams, modern technology and ongoing support, all from one trusted security company.
From intruder alarms and CCTV to access control, fire protection and monitoring, we provide security solutions designed to protect what matters most.


Our experienced team is here to provide practical advice, ongoing support and professional maintenance to help keep your security system performing reliably.


Every property is different. We use the latest security technology to create solutions suited to your property, requirements and budget.


Your security needs can change over time. From servicing and monitoring to upgrades and ongoing support, we'll help keep your protection up to date.


Everything you need to know about Spy Alarms
Find answers below, or simply get in touch with our friendly team if you need further help.
APT Security is now part of Spy Alarms. The experience and expertise of the former business are now backed by the wider team, resources and support of Spy Alarms.
Yes. Whether your system was installed by APT Security or another provider, our experienced engineers can help with servicing, repairs, maintenance, upgrades and ongoing support.
Spy Alarms is here to provide ongoing support for your security system. From routine servicing and maintenance to repairs and general queries, our team is here to help. Call us on 01689 887 626.
In most cases, yes. If you're concerned about the condition or performance of your existing system, our team can assess it and recommend any servicing, repairs or upgrades that may be required.
Yes. Our engineers have experience working with a wide range of security systems and can advise on the most suitable approach to maintaining, repairing or upgrading your existing installation.
Absolutely. If your current system is becoming outdated or no longer provides the level of protection you need, we can assess your existing setup and recommend suitable upgrades using modern security technology.
Spy Alarms provides a comprehensive range of security services for homes and businesses, including intruder alarms, CCTV, access control, fire protection, monitoring, servicing, maintenance and system upgrades.
Spy Alarms supports customers across London, Kent, Surrey, Berkshire, Hertfordshire and Essex. Call our team on 01689 887 626 to find out more about the services available in your area.