- MARS COMMUNICATIONS LIMITEDDisolved- 06478834 - Dissolved on 25 March 2025 
- SMARTTALK COMMUNICATIONS LIMITED- 02995288 - Incorporated on 28 November 1994 
- IF COMMUNICATIONS LIMITEDDissolved- 05599081 - Dissolved on 10 June 2014 
- RIOT COMMUNICATIONS LIMITED- 06703982 - Incorporated on 22 September 2008 
- TASKFORCE COMMUNICATIONS LIMITEDDissolved- 02786793 - Dissolved on 10 February 1998 
- SCARLETT COMMUNICATIONS LIMITED- 04805592 - Incorporated on 20 June 2003 
- ANCHORPOINT COMMUNICATIONS LIMITED- 06795839 - Incorporated on 20 January 2009 
- AAB COMMUNICATIONS LIMITEDActive - Proposal to Strike off- 06797040 - Incorporated on 21 January 2009 
- NOVUM COMMUNICATIONS LIMITEDActive - Proposal to Strike off- 06804228 - Incorporated on 28 January 2009 
- SILHOUETTE COMMUNICATIONS LIMITEDActive - Proposal to Strike off- 06842151 - Incorporated on 10 March 2009 
- PAPE COMMUNICATIONS LIMITEDDisolved- 06850469 - Dissolved on 18 November 2021 
- BEDOUIN COMMUNICATIONS LIMITED- 06859519 - Incorporated on 26 March 2009 
- CLEAVE COMMUNICATIONS LIMITED- 06969457 - Incorporated on 22 July 2009 
- SURF COMMUNICATIONS LIMITED- 06981360 - Incorporated on 5 August 2009 
- TALKSAFE COMMUNICATIONS LIMITEDActive - Proposal to Strike off- 06985013 - Incorporated on 7 August 2009 
- BEACON COMMUNICATIONS LIMITEDDissolved- 07034391 - Dissolved on 15 January 2013 
- 4TEL COMMUNICATIONS LIMITED- 04512684 - Incorporated on 15 August 2002 
- EXPERIENCE COMMUNICATIONS LIMITEDLiquidation- 04007561 - Incorporated on 5 June 2000 
- ENTREPID COMMUNICATIONS LIMITEDLiquidation- 02888908 - Incorporated on 19 January 1994 
- THINK COMMUNICATIONS LIMITEDDissolved- 03717214 - Dissolved on 28 June 2011