- ALEXANDRA MCCANN LIMITED- 04982943 - Incorporated on 2 December 2003 
- MCCANN PARTNERS LIMITED- 06809793 - Incorporated on 4 February 2009 
- MCCANN CONSULTANTS LIMITEDDisolved- 07052759 - Dissolved on 4 April 2025 
- MCCANN TRANSPORT LIMITEDLiquidation- 05313207 - Incorporated on 14 December 2004 
- CHRISSIE MCCANN LTDDissolved- NI608290 - Dissolved on 9 August 2013 
- MCCANN MEDIA LIMITEDLiquidation- SC364107 - Incorporated on 17 August 2009 
- MCCANN & PARTNERS LTD- 05453269 - Incorporated on 16 May 2005 
- HARRISON MCCANN LIMITEDLiquidation- 06189202 - Incorporated on 28 March 2007 
- MCCANN & ASSOCIATES LLPDisolved- OC387985 - Dissolved on 12 July 2022 
- MCCANN AEROSPACE LIMITEDActive - Proposal to Strike off- SC472389 - Incorporated on 13 March 2014 
- REES MCCANN LIMITED- 12546679 - Incorporated on 3 April 2020 
- ANDREW MCCANN LIMITEDActive - Proposal to Strike off- 11543330 - Incorporated on 30 August 2018 
- CAROLINE MCCANN LTDActive - Proposal to Strike off- 10178645 - Incorporated on 13 May 2016 
- MCCANN & MCINTYRE LIMITED- NI661351 - Incorporated on 13 May 2019 
- ELEANOR MCCANN LIMITED- 10606225 - Incorporated on 7 February 2017 
- MCCANN MARKETING LIMITEDActive - Proposal to Strike off- 11209150 - Incorporated on 16 February 2018 
- MCCANN CONTRACTS LTD- NI652305 - Incorporated on 11 April 2018 
- MCCANN WINDOWS LIMITEDDisolved- SC757379 - Dissolved on 18 March 2025 
- CONOR MCCANN LIMITED- NI722127 - Incorporated on 7 October 2024 
- GEOFFREY J BECK LIMITEDDisolved- 10514245 - Dissolved on 5 April 2022