- ECC2 LTDActive - Proposal to Strike off- 08755753 - Incorporated on 31 October 2013 
- JOSEPH BARKERActive - Proposal to Strike off- 10808134 - Incorporated on 7 June 2017 
- BARKER & PATTERSON- LP006391 - Incorporated on 23 August 1999 
- QUAYSIDE CONSULTING LTD.Active - Proposal to Strike off- 09138891 - Incorporated on 21 July 2014 
- BALL SIMPSON LIMITED- 05710834 - Incorporated on 15 February 2006 
- 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 
- SIMPSON.D LTDActive - Proposal to Strike off- 09519939 - Incorporated on 31 March 2015 
- C R SIMPSON LTD- 09500244 - Incorporated on 19 March 2015 
- E C SIMPSON LTDDissolved- 10911405 - Dissolved on 5 November 2019 
- E SIMPSON LTD- 11942808 - Incorporated on 12 April 2019 
- L A SIMPSON LTD- SC645092 - Incorporated on 22 October 2019 
- C SIMPSON LTD- 13396971 - Incorporated on 14 May 2021 
- J SIMPSON LTD- 13383775 - Incorporated on 10 May 2021 
- P SIMPSON LTD- 13337317 - Incorporated on 15 April 2021 
- GL BARKER & CO LLP- OC318076 - Incorporated on 1 March 2006 - 47-49 Austhorpe Road, Leeds, LS15 8BA 
- DAN BARKER LTDDisolved- 07345924 - Dissolved on 27 May 2025 
- SIMPSON FISH LIMITED- SC531381 - Incorporated on 1 April 2016