Other businesses acquired by CSS that are rebranded and
under Connelly Group Holdings structure businesses over the years

Ayrshire

Home Secure Alarms, 1996
CMD Fire & Security, 2006
Pro Watch Security, 2010
Mossie & Kirkland Security, 2011
I Fire and Security Limited, 2012

Central Belt

First Security Systems, 2001
Trust Security Systems, 2002
Crisis Call, 2003
Gunning Security, 2006
Maximum Security, 2008
SPI alarms, 2009
Arcamm CCTV, 2011
Precision Alarms, 2013
Triton Alarms, 2017

Edinburgh & The Lothians

Sentinel Security, 2008
Amco alarms, 2009
John Noble Security Alarms, 2010
Pentland Security Systems, 2013
Castle Security Group, 2014
T&D Security, 2016
Emres Security, 2019

The Highlands

Highland Technology Alarms, 2006