We have 3 colour choices/styles of our Orisec Wired and Wireless (Orisec Only) external sounders to choose from! Please visit our page on External Sounders by clicking here. You will be able to view all 3 choices and spin them so you can see them from each orientation.
DOMESTIC & COMMERCIAL
Tell us what you'd like and we'll give you the options.
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.
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.
Despite the relaxation of restrictions, the safety of our staff and customers is important to ourselves, so we have put the following measures in place to keep everyone as safe as possible.
We offer a range of state-of-the-art solutions in the security industry. Click on an area of expertise below for further details.
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.
* Statistics from the Office of National Statistics Police Force Area Data Tables for year ending December 2021.
News and Views
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 17th April 2020. Roy started off Crosby Intruder Alarms back in 1984, the business started off as a bit of a hobby for him, carrying
We have just launched a new page on our website to showcase our External Sounders. The Orisec Wireless Systems also use the same style External Sounder, however they are not illuminated as standard although they can be with the installation of an additional cost Power Supply. Also, the LED’s on the wireless sounders are controlled