- TRAC COMMUNICATIONS LIMITED- 01986982 - Incorporated on 7 February 1986 
- KUDO COMMUNICATIONS LIMITED- 04316030 - Incorporated on 2 November 2001 
- IS COMMUNICATIONS LIMITED- 03698913 - Incorporated on 21 January 1999 
- FISHING COMMUNICATIONS LIMITEDDissolved- 03781897 - Dissolved on 10 August 2010 
- TOMO COMMUNICATIONS LIMITEDDissolved- 03068935 - Dissolved on 21 March 2009 
- MOMENTUM COMMUNICATIONS LIMITEDDissolved- 02672538 - Dissolved on 10 March 2015 
- BLUEBIRD COMMUNICATIONS LIMITEDDissolved- 03470440 - Dissolved on 18 January 2011 
- EUROPA COMMUNICATIONS LIMITED- 02961237 - Incorporated on 23 August 1994 
- VISPERA COMMUNICATIONS LIMITEDDissolved- 05531638 - Dissolved on 20 November 2012 
- ZEN COMMUNICATIONS LIMITED- 06978324 - Incorporated on 2 August 2009 
- COMPUTER COMMUNICATIONS LIMITED- 01138339 - Incorporated on 8 October 1973 
- BISHOPSGATE COMMUNICATIONS LIMITEDLiquidation- 04226125 - Incorporated on 31 May 2001 
- SINAT COMMUNICATIONS LIMITEDDissolved- 05004671 - Dissolved on 8 February 2011 
- 4A1 COMMUNICATIONS LIMITEDDissolved- 03953976 - Dissolved on 20 January 2015 
- A.C.T. COMMUNICATIONS LIMITED- 02865752 - Incorporated on 25 October 1993 
- TCF COMMUNICATIONS LIMITED- SC110194 - Incorporated on 31 March 1988 
- INTERLOCK COMMUNICATIONS LIMITED- SC200240 - Incorporated on 27 September 1999 
- LACUNA COMMUNICATIONS LIMITEDActive - Proposal to Strike off- SC215792 - Incorporated on 15 February 2001 
- DREAM COMMUNICATIONS LIMITEDDissolved- SC243173 - Dissolved on 11 June 2010 
- TAY COMMUNICATIONS LIMITED- SC273367 - Incorporated on 15 September 2004