- MARCOM365 LTD- 14541105 - Incorporated on 14 December 2022 
- MARCO BS LTD- 16359318 - Incorporated on 2 April 2025 
- M (2003) PLCDissolved- 03846429 - Dissolved on 5 February 2014 
- HAFEEZ KNITWEAR UK LIMITEDDisolved- 14249208 - Dissolved on 22 April 2025 
- MARCO BB LIMITED- 16235137 - Incorporated on 6 February 2025 
- M MARCOS LTD- 09335533 - Incorporated on 1 December 2014 
- N MARCOS LTDActive - Proposal to Strike off- 11736759 - Incorporated on 20 December 2018 
- 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 
- 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