Keeping businesses safe & secure with the installation of a reliable intruder alarm

Businesses across London and the South East trust in SDS Security to make sure their best interests are safe and secure 24/7.


Commercial intruder alarms from SDS Security

Ensure your business is protected by a reputable name in commercial security

You can be up to 80% safer with an SDS intruder alarm than without having a system in place. Our intruder alarms are a proven deterrent to crime and provide you with the reassurance that your business and employees are safe 24/7.

Working across London in areas such as Streatham, we’ve been designing and installing intruder alarms for over 3 decades. As part of our intruder alarm installation service, we will design and install a bespoke solution that best meets your budget and ensures your business is safe and secure at all times. For a FREE quote, please get in touch with our team today.

Intruder Alarm Installation Streatham

Alarm installs, maintenance & repairs

Installing the latest intruder alarms


Why have an SDS Security intruder alarm?

They’re Affordable

We will only advise you on what intruder alarm is best for you, not what is the most expensive.

Proven Deterrent

Our intruder alarms create a visual deterrent to crime as well as producing a distinctive audible warning.

Best On The Market

Our close connection with the industry’s leading manufacturers means you will only get the best systems.


Manage and control your alarm system via your smartphone

Smart security systems make it easier for business owners when managing the security of their premises.

Our range of smart alarms can be controlled via an app meaning the responsibility is not left to one person. Should you forget to set the alarm, simply log in via the alarm app and set it.

Alerts can also be set up to let you know when someone has armed or disarmed the system during your absence.

Smart Alarms Streatham


Get in touch with us about our intruder alarm installation service

At SDS Security, we have engineers based across London in areas such as Streatham, Sutton and Kensington to name but a few.

Arrange a site survey today with SDS Security.