- ROBBIE CABS LTD.- SC208859 - Incorporated on 6 July 2000 
- ROBBIE RAIL LTDDisolved- 10112672 - Dissolved on 22 August 2023 
- J CLARKSON LTD- 10097454 - Incorporated on 1 April 2016 
- D. M. CLARKSON LTD- SC244556 - Incorporated on 25 February 2003 
- ROBBIE'S CAKES LTDActive - Proposal to Strike off- 09567520 - Incorporated on 29 April 2015 
- W R C CLARKSON LTDDisolved- 14010800 - Dissolved on 14 May 2024 
- M B CLARKSON LTD- 14726931 - Incorporated on 13 March 2023 
- ROBBIE'S VOICE LTD- 07545938 - Incorporated on 28 February 2011 
- ROBBIE GOUGH LTDActive - Proposal to Strike off- 09579186 - Incorporated on 7 May 2015 
- CALUM ROBBIE 4855 LTDActive - Proposal to Strike off- 10147097 - Incorporated on 26 April 2016 
- ROBBIEMIKE LTD- 11706367 - Incorporated on 30 November 2018 
- CLARKSON PLC- 01190238 - Incorporated on 12 November 1974 
- CLARKSON (N E) LTD- 07932715 - Incorporated on 1 February 2012 
- P CLARKSON LTDDissolved- 08896174 - Dissolved on 5 November 2019 
- J & A CLARKSON LTD- SC540431 - Incorporated on 18 July 2016 
- M J CLARKSON LTD- 08760508 - Incorporated on 4 November 2013 
- ROBBIE POOLE LTDDisolved- 13043334 - Dissolved on 3 January 2023 
- I & E ROBBIE LIMITED- SC450239 - Incorporated on 17 May 2013 
- ROBBIE WOOLF LTD- 13594166 - Incorporated on 31 August 2021 
- A & G ROBBIE LIMITED- SC228639 - Incorporated on 1 March 2002