- MT MARCO LTD- 11875662 - Incorporated on 12 March 2019 
- MP MARCO LTD- 12927194 - Incorporated on 4 October 2020 
- MARCOQ LTD- 14385540 - Incorporated on 29 September 2022 
- MR.MR. LTDDisolved- 14252327 - Dissolved on 5 December 2023 
- MCCUTCHEON NORVEIL CONSULTANCY LIMITED- 03443010 - Incorporated on 1 October 1997 
- MCCUTCHEON ELECTRICAL CONTRACTORS LIMITED- 06749073 - Incorporated on 14 November 2008 
- VG MCCUTCHEON (BOGHOUSE) LLPActive - Proposal to Strike off- SO303565 - Incorporated on 22 September 2011 
- MANDIE MCCUTCHEON HOLDINGS LIMITED- SC606567 - Incorporated on 29 August 2018 
- MCCUTCHEON PLUMBING & HEATING LTD.- SC536927 - Incorporated on 1 June 2016 
- MAGGIE MCCUTCHEON CONSULTANCY LIMITEDActive - Proposal to Strike off- 09601983 - Incorporated on 20 May 2015 
- MR MR2 LTD- 11218539 - Incorporated on 21 February 2018 
- MARCO MOTORS LTDDisolved- 12593514 - Dissolved on 7 February 2023 
- MR & MR LTD- 16489396 - Incorporated on 2 June 2025 
- MR MR LTDActive - Proposal to Strike off- 15533685 - Incorporated on 1 March 2024 
- SELLSIO SOFTWARE LTDActive - Proposal to Strike off- 11960767 - Incorporated on 24 April 2019 
- MARCONY LTDDissolved- 08039307 - Dissolved on 3 December 2013 
- MARCOLI LTDDisolved- SC461863 - Dissolved on 23 April 2024 
- MARCONI LTD- SC639139 - Incorporated on 19 August 2019 
- PRO MARCO LTDDisolved- 13225915 - Dissolved on 9 August 2022 
- MARCO APS LTDDisolved- 14059760 - Dissolved on 26 September 2023