
The experience and knowledge behind Crown Security Systems are now part of Spy Alarms. This brings together the expertise of the original business with the wider capabilities of Spy Alarms, giving customers continued access to professional security services and ongoing support.
If you’ve come to this page looking for Crown Security Systems, you’re in the right place. Existing customer contracts have transferred to Spy Alarms, and our team is here to continue looking after your security system, from routine servicing and maintenance to repairs and upgrades.
With more than 40 years of experience, Spy Alarms protects homes and businesses with professionally installed security systems. Our services include intruder alarms, CCTV, access control, fire protection and monitoring, with solutions designed around the property and the level of protection required.


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 Greater 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 systems to access control, fire protection and monitoring, Spy Alarms provides a comprehensive range of security services for homes and businesses.


Whether you need advice, servicing or assistance with an existing Crown Security Systems installation, our experienced team is on hand to help with repairs, maintenance and ongoing support.


We use modern security technology to help protect your property, people and belongings, recommending systems that suit your individual requirements and provide effective protection.


From routine servicing and maintenance to alarm monitoring and system upgrades, our friendly engineers help keep your fire and security systems working reliably and 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.
Crown Security Systems is now part of Spy Alarms. The experience and knowledge built up by the business are now supported by the wider Spy Alarms team, giving customers continued access to professional security services and support.
Yes. Spy Alarms can continue to support existing Crown Security Systems installations, including servicing, maintenance, repairs and upgrades. If you need assistance, call 01689 887 626.
You can now contact Spy Alarms for help with your existing security system. Whether you need to arrange a service, report a fault or discuss an upgrade, our team is here to help. Call 01689 887 626.
Your existing system should continue to operate as normal. If you have concerns about its condition or performance, we can assess the installation and advise on any servicing, repairs or upgrades that may be needed.
Yes. Our engineers have experience working with a wide range of security systems, including equipment installed by other providers. We can assess your installation and recommend suitable servicing, maintenance or repairs.
In many cases, yes. Depending on your existing equipment, it may be possible to improve or modernise parts of the system without replacing the entire installation. We can assess what you have and explain the options available.
Spy Alarms provides security solutions for homes and businesses, including intruder alarms, CCTV, access control, fire protection and monitoring. We also offer servicing, maintenance, repairs and system upgrades.
Spy Alarms supports customers across London, Kent, Surrey, Berkshire, Hertfordshire and Essex. Get in touch with our team to find out how we can help in your area, call us on 01689 887 626.