- MCCANN DRILLING LTDDisolved- NI036712 - Dissolved on 13 May 2025 
- O'CONNOR & MCCANN LIMITED- NI002844 - Incorporated on 4 July 1950 
- MCCANN & ROSENBERG LTDActive - Proposal to Strike off- 09531284 - Incorporated on 8 April 2015 
- HILDRED MCCANN LIMITED- 09557016 - Incorporated on 23 April 2015 
- MCCANN DESIGN LIMITED- 09613269 - Incorporated on 29 May 2015 
- MCCANN HEALTH LIMITED- 08743251 - Incorporated on 22 October 2013 
- MCCANN LEARNING LTD- 08361774 - Incorporated on 15 January 2013 
- MCCANN EXPORT LIMITEDActive - Proposal to Strike off- 09365062 - Incorporated on 23 December 2014 
- MCCANN WOODS LIMITEDActive - Proposal to Strike off- 11303306 - Incorporated on 11 April 2018 
- MCCANN SCAFFOLDING LTD- 12107276 - Incorporated on 17 July 2019 
- NICHOLAS MCCANN LIMITEDActive - Proposal to Strike off- 11078283 - Incorporated on 23 November 2017 
- MCCANN MESSENGER LTDActive - Proposal to Strike off- 10636458 - Incorporated on 23 February 2017 
- LOUISE MCCANN LIMITED- 10256501 - Incorporated on 29 June 2016 
- MCCANN PLANNING LTDActive - Proposal to Strike off- 10427209 - Incorporated on 13 October 2016 
- MCCANN BUILDERS LIMITEDActive - Proposal to Strike off- SC547552 - Incorporated on 12 October 2016 
- MCCANN SERVICES LTD- 11659243 - Incorporated on 5 November 2018 
- MCCANN PROJECTS LLP- SO307507 - Incorporated on 2 March 2022 
- DENNIS MCCANN LIMITEDDisolved- 14281015 - Dissolved on 9 January 2024 
- MCCANN ORTHOPAEDICS LTD- 14819792 - Incorporated on 21 April 2023 
- JOSEPH MCCANN LIMITED- 15535105 - Incorporated on 1 March 2024