- TOM SIMPSON AV LTDDissolved- 10618695 - Dissolved on 15 January 2019 
- TOM SIMPSON DESIGN LTD- 13964992 - Incorporated on 9 March 2022 
- TOM-TOM TOMATO LTD- 02960227 - Incorporated on 19 August 1994 
- SIMPSON SCHWOK SIMPSON LTD- 14743926 - Incorporated on 20 March 2023 
- TOMS4TOM LTDDisolved- 09560810 - Dissolved on 31 October 2023 
- C C SIMPSON- LP002950 - Incorporated on 11 May 1983 
- SIMPSON AND SIMPSON LIMITEDActive - Proposal to Strike off- 07771345 - Incorporated on 13 September 2011 
- SIMPSON, BORRETT & SIMPSON LTD.- SC263516 - Incorporated on 16 February 2004 
- L R S CARPENTRY LTD- 08080582 - Incorporated on 23 May 2012 
- AMALA PARTNERS LLP- OC320713 - Incorporated on 3 July 2006 
- TOMMY&TOM LTDDisolved- 13826290 - Dissolved on 23 May 2023 
- TOM TOM SALES B.V.- FC026453 - Incorporated on 7 December 2005 
- CJS ACCOUNTANTS LTD- 12504854 - Incorporated on 9 March 2020 
- TOM TOM SALES UKopen- BR008583 - Incorporated on 7 December 2005 
- BALL SIMPSON LIMITED- 05710834 - Incorporated on 15 February 2006 
- 4TOM- CE025760 
- C W SIMPSON LTD.Active - Proposal to Strike off- SC232660 - Incorporated on 12 June 2002 
- J L SIMPSON LTD.Liquidation- 06868954 - Incorporated on 3 April 2009 
- R M AND P M SIMPSON- LP004433 - Incorporated on 11 June 1993 
- G A SIMPSON LTDActive - Proposal to Strike off- 09057162 - Incorporated on 27 May 2014