TRUSTED FIRE & SECURITY EXPERTS SINCE 1984

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Welcome to Crosby Intruder Alarms

A Real Family Business

Established in 1984, Crosby Intruder Alarms has developed into one of Merseyside’s premier independent security alarm companies.

We now have installations throughout the UK and can offer a full installation and back-up service nationwide. We only use the finest quality products and pride ourselves on the quality of our installation. The company has an interesting history from it’s inception in 1984 and maintained steady growth to become a leader in it’s field.

40th Birthday

Crosby Intruder Alarms is 40!

On the 2nd January 2024, Crosby Intruder Alarms celebrated 40 years in business! Read More

Roy Williams Tribute

It is with a deep heart that we have to announce the passing of one of the company partners, Roy Williams who sadly lost his battle to COVID-19 on the 17th April 2020.

PSTN Switch Off

As you may have heard on the news, the Analogue Phone Network known as PSTN Telephone Lines are due to be switched off in the UK in December 2025. However, you need to ACT NOW!.

Our Services

We offer a range of state-of-the-art solutions in the security industry.  Click on an area of expertise below for further details.

INTRUDER ALARMS

The best deterrent for unwanted intruders to your home or business. Installed by our uniformed, police-checked, vetted and qualified Technicians.

CCTV

CCTV is a fantastic visual deterrent & can be used to check incidents and security breaches. All our CCTV systems are quality branded makes.

ACCESS SYSTEMS

Access Control Systems prevent unauthorised visitors accessing sensitive areas. Our Access Controls are quality brands fitted by Qualified Technicians.

FIRE ALARMS

Out Uniformed, Police Vetted & Qualified Technicians install the finest range of products available in the fire detection market today.

NURSE CALL

We supply, commission, maintain and install branded Aid-Call Wireless Nurse Call Products. Crosby Intruder Alarms only fit quality brands and products.

SMOKECLOAK

Smokecloak rapidly fills an area with a dense smoke (vapour) in the event of intrusion, causing confusion and visibility issues for intruders.

PUBLIC ADDRESS SYSTEMS

Public Address and Music Systems can be used to provide audio/music channels. Only the best brands are considered by Crosby Intruder Alarms.

DATA CABLING & WIFI

From the smallest computer network to the largest multi-switch network across a large office block or building. We only use high quality cable.

EMERGENCY LIGHTING

Emergency Lighting is essential for any means of escape route within the property and ensures the safe evacuation from a building during low light conditions.

Check our Services page for a full list of our offerings and our Products page for the state of the art branded equipment we can offer.

Support Services

SYSTEM REPAIRS

We offer third party services to repair systems installed by other companies.

HOLIDAY PARKS

Supporting Park owners and Individual unit owner with Cloud monitoring sytems.

SUPPORT DOCUMENTATION

Check out our online support centre for FAQs, Documentation, and Downloads

Don't become another crime statistic!

With the economy in worsening shape due to the pandemic, crime is increasing.  Don’t become another crime statistic.  Protect yourself, your family and your business.

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England & Wales Burglaries
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North West Burglaries
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Merseyside Burglaries

* Statistics from the Office of National Statistics Police Force Area Data Tables for year ending June 2023.

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