- MCGREGOR SEHALLION LIMITEDActive - Proposal to Strike off- 11527340 - Incorporated on 20 August 2018 
- WILLIAM MCGREGOR LTDDisolved- 11632584 - Dissolved on 22 March 2022 
- MCGREGOR & BALFOUR LIMITEDDissolved- SC003659 - Dissolved on 18 March 2011 
- MCGREGOR RECORDS LTD- 14350417 - Incorporated on 12 September 2022 
- MCGREGOR GROOP LIMITEDDisolved- 15349923 - Dissolved on 20 May 2025 
- MCGREGOR OPERATIONS LIMITED- 15589368 - Incorporated on 23 March 2024 
- MCGREGOR COMMERCIALS LTD- NI719269 - Incorporated on 30 July 2024 
- DOUGLAS & SON- SL000056 - Incorporated on 21 January 1926 
- S L DOUGLAS LTDActive - Proposal to Strike off- SC604318 - Incorporated on 3 August 2018 
- S.DOUGLAS LTDDisolved- 13807892 - Dissolved on 21 May 2024 
- DOUGLAS98 LTD- 14845110 - Incorporated on 3 May 2023 
- UNIQUE REBELS UNION LTD- 07799711 - Incorporated on 6 October 2011 
- SKYMARK PACKAGING SOLUTIONS LIMITEDDisolved- 01450486 - Dissolved on 1 February 2022 
- MCMAHON ASSOCIATES LTD.- 02447479 - Incorporated on 29 November 1989 
- MORAN LOGISTICS (AMBIENT) LTD- 16016516 - Incorporated on 14 October 2024 
- M G DOUGLAS LTD- 11586409 - Incorporated on 25 September 2018 
- DOUGLAS 101 LTD- 07308790 - Incorporated on 8 July 2010 
- J B DOUGLAS LTD.Active - Proposal to Strike off- SC512116 - Incorporated on 3 August 2015 
- L & H DOUGLAS LTDDisolved- 14297614 - Dissolved on 21 November 2023 
- S.MCGREGOR LIMITED- SC653738 - Incorporated on 6 February 2020