CSS Connelly Security Systems Ltd

CSS is a family owned and run business, established in 1986.First class products, a particular focus on domestic systems and excellent customer service have been the key to their success.

The owners have over 80 years combined experience in security systems and being readily accessible to their customers and staff affords them confidence that their distinct personal service cannot be matched by the multi-national security companies.

  • With a second generation of CSS staff now working within the business those values are set to continue.
  • CSS can support their customers throughout Scotland from four branches
  • They operate an industry accredited 24hr Alarm Receiving Centre (ARC) in Glasgow
  • They have over 35 mobile, customer field support engineers who can provide a reactive emergency response 365 days per year

To help ensure that your home is safe and secure CSS introduced a 30-year Anniversary Home Guard+ Package (click to find out more) available with a range of additional security options.

Their latest Home Control + limited offer allows you remote access and control from your smartphone anywhere in the world. For only £99 initial cost there’s no better package to help you to relax knowing your home and family is well monitored and protected.

Brian Connel, NWS Manager said, “Having known CSS Ltd over many years in my various crime reduction roles I would highly recommend them for the supply, installation and maintenance of your domestic alarm system.”  












Connelly Security Systems Ltd also offer Lone Worker & Vulnerable Person Alarm Protection – called SOS. You can read more about it here. CSS Lone Worker & Vulnerable Persons SOS Alarm FAQs 2019