- HARTSHORNE BMH LIMITED- 16427808 - Incorporated on 2 May 2025 
- HARTSHORNE COURIERS LTDDissolved- 07070503 - Dissolved on 28 June 2011 
- MILLER WASH ASSOCIATES LLPDisolved- OC343225 - Dissolved on 5 October 2021 
- COLINZ LTD- 14405376 - Incorporated on 7 October 2022 
- COLIN BAINDissolved- SC174326 - Dissolved on 27 September 2016 
- COLIN TAIT- LP005882 - Incorporated on 25 August 1998 
- COLINE LTD- 16156522 - Incorporated on 30 December 2024 
- MARK HARTSHORNE LIMITED- 04961736 - Incorporated on 12 November 2003 
- HARTSHORNE HOLDINGS LTD- 12882536 - Incorporated on 16 September 2020 
- HARTSHORN'S DAIRY LIMITEDLiquidation- 04442082 - Incorporated on 20 May 2002 
- COLIN P ROBB- SL000648 - Incorporated on 7 June 1984 
- COLIN'S AUTOS PERFORMANCE TUNING LTD- 09158064 - Incorporated on 1 August 2014 
- HARTSHORNE GROUP LIMITED- 07265608 - Incorporated on 26 May 2010 
- D&P HARTSHORNE LOGISTICS LTDActive - Proposal to Strike off- 08258213 - Incorporated on 18 October 2012 
- DAVIS & HARTSHORNE LIMITED- 11439232 - Incorporated on 28 June 2018 
- COLIN & DO LTDDisolved- 11793178 - Dissolved on 22 April 2025 
- COLINO LTDActive - Proposal to Strike off- 10045309 - Incorporated on 7 March 2016 
- COLINK LTDActive - Proposal to Strike off- 14173572 - Incorporated on 15 June 2022 
- COLINI LTD- 15173410 - Incorporated on 28 September 2023 
- COLIN FP LTDActive - Proposal to Strike off- 11829420 - Incorporated on 15 February 2019