Your local Nacoss Gold installer  

working across Renfrewshire  and throughout Scotland

If you're looking for business or home alarms in and around Glasgow, you've come to the right place.

Whether you want to improve your security or be prepared in the event of a fire, we can help you.


Protecting your home.

CSS & Brookfield Alarms can visit your home for a free survey to determine your best security measures.


Homeowners can even buy a new mobile app home alarm system with a wide range of latest indoor and outdoor protection devices Available to book online today by clicking here 


We also supply CCTV cameras, Fire alarms, Smoke alarms, Access Control, Door Entry, Security Lighting and Retail Security.

We can have all your home and business security covered

from one contact number

to give you the peace of mind that you want

Connelly Security Systems welcomes Robert and Elaine`s customers with the acquisition of Brookfield Alarms.

We can deliver all the services you need, in one place, for your home and business

``For professional advice you can trust - No one is more qualified to keep you safe`

Click Here to view more services from Connelly Security Systems

Having a problem with your alarms? Are new batteries not working? Can't program the system?


Our teams in Glasgow, Ayrshire, Stirling and Edinburgh provide ongoing maintenance so you get the best service possible.


For more information about what CSS and Brookfield Alarms

can do for you, contact us today.



With 35 years of experience, you can trust us to find a solution that meets your needs.

24/7 maintenance and support.
35 years' experience providing security systems
Contact us today
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