CTM Fire and Security (London) are part of the Thompson Group of companies, a dynamic and fast growing group consisting of Th ... ompson AVC, CTM Fire and Security (London) and CTM Fire and Security (Preston). The group offers national coverage for Installation, Service and Maintenance for all aspects of Fire, Life Safety, Security, Data and Communications. The group have a client portfolio that includes Dunelm Mill, Marstons Breweries, West Coast Rail, The BBC (through Johnson Controls), Wolverhampton University, Warwick University plus many others. read more