- ROLLETT & CLARKSON LTD.Active - Proposal to Strike off- 05032019 - Incorporated on 2 February 2004 
- ANDY CLARKSON LIMITEDDisolved- 05524622 - Dissolved on 16 August 2022 
- CLARKSON ASSOCIATES LIMITEDDissolved- 05985390 - Dissolved on 30 August 2013 
- CLARKSON EVANS LIMITED- 03843351 - Incorporated on 17 September 1999 
- CLARKSON RECRUITMENT LIMITEDActive - Proposal to Strike off- 07192419 - Incorporated on 17 March 2010 
- CLARKSON MARINE LIMITED- 07215190 - Incorporated on 7 April 2010 
- CLARKSON FITNESS LIMITEDActive - Proposal to Strike off- 09481985 - Incorporated on 10 March 2015 
- DJ CLARKSON LIMITEDActive - Proposal to Strike off- 09621530 - Incorporated on 3 June 2015 
- CLARKSON SHIPBROKERS LIMITED- 03354938 - Incorporated on 17 April 1997 
- BINGHAM & CLARKSON LIMITED- 08955729 - Incorporated on 24 March 2014 
- CLARKSON STERLING LTDActive - Proposal to Strike off- 08547480 - Incorporated on 29 May 2013 
- CLARKSON GUTHRIE LIMITEDActive - Proposal to Strike off- SC373493 - Incorporated on 23 February 2010 
- CLARKSON NOBLE LIMITEDActive - Proposal to Strike off- SC485057 - Incorporated on 28 August 2014 
- GILBERT CLARKSON LTDActive - Proposal to Strike off- 09197720 - Incorporated on 1 September 2014 
- CLARKSON INVESTMENTS LIMITED- 13166200 - Incorporated on 29 January 2021 
- CLARKSON HAULAGE LTDDisolved- 13477176 - Dissolved on 14 May 2024 
- DAVID CLARKSON LIMITED- SC609040 - Incorporated on 25 September 2018 
- CLARKSON ELECTRICAL LIMITED- 11639470 - Incorporated on 24 October 2018 
- AQUATELS CLARKSON LTDDisolved- 12764513 - Dissolved on 15 February 2022 
- ESTHER CLARKSON LTDDisolved- 10026105 - Dissolved on 8 July 2025