- CORMACK PHARMA CONSULTANCY (QA/QP) LTD- 09665335 - Incorporated on 1 July 2015 
- CORMACKSTOWN PROPERTIES LIMITED- 13238505 - Incorporated on 2 March 2021 
- AV CORMACK IT SOLUTIONS LIMITEDActive - Proposal to Strike off- 08311317 - Incorporated on 28 November 2012 
- CARA CORMACK CREATIVE LIMITED- 14435697 - Incorporated on 21 October 2022 
- BRIAN MC CORMACK ELECTRICAL LTD- 09256312 - Incorporated on 9 October 2014 
- MACADAM MACDONALD LIMITEDActive - Proposal to Strike off- SC227259 - Incorporated on 23 January 2002 
- R CORMACK TECHNICAL SERVICES LTD- SC845118 - Incorporated on 14 April 2025 
- IAIN CORMACK / ARCHITECT LIMITED- SC751012 - Incorporated on 21 November 2022 
- DR CORMAC LYNCH MEDICAL AESTHETICS LTD- NI705019 - Incorporated on 20 November 2023 
- CORMACK (AIRCRAFT SERVICES) LIMITED- SC061876 - Incorporated on 8 March 1977 
- JOHN CORMACK PUBLISHING LIMITEDActive - Proposal to Strike off- SC395833 - Incorporated on 18 March 2011 
- CORMACK MECHANICAL SERVICES LTDActive - Proposal to Strike off- 15039478 - Incorporated on 31 July 2023 
- CORMACK CREATIVE MANAGEMENT LTD- SC294792 - Incorporated on 22 December 2005 
- CORMACK PLUMBING & HEATING LIMITEDDisolved- 11933533 - Dissolved on 3 August 2021 
- HARTNELL BENNETT CORMACK LIMITEDDisolved- 04732946 - Dissolved on 4 October 2022 
- WM MCADAM PLUMBING & HEATING SERVICES LTD- SC559677 - Incorporated on 7 March 2017 
- SPELMAN CORMACK ASSOCIATES LIMITEDDissolved- 02452852 - Dissolved on 21 September 2010 
- MELANIE CORMACK-HICKS FINE ARTIST LTD- 13248629 - Incorporated on 5 March 2021 
- J MCADAM ROOFING & CONSTRUCTION SERVICES LIMITEDActive - Proposal to Strike off- 09276998 - Incorporated on 23 October 2014 
- MACKENZIE & CORMACK (ESTATE AGENTS) LTD.- SC232165 - Incorporated on 29 May 2002