- J G SIMPSON LTDDisolved- 13484348 - Dissolved on 27 December 2022 
- D.K. SIMPSON LTDDisolved- 09530007 - Dissolved on 19 April 2022 
- V SIMPSON LTDActive - Proposal to Strike off- SC578716 - Incorporated on 12 October 2017 
- S C SIMPSON LTDDisolved- 12486123 - Dissolved on 9 August 2022 
- P&M SIMPSON LTDDisolved- 14220814 - Dissolved on 20 August 2024 
- BARKERS & CO LLPActive - Proposal to Strike off- OC394587 - Incorporated on 1 August 2014 
- BARKER & GOW LTDActive - Proposal to Strike off- 10006964 - Incorporated on 16 February 2016 
- D. BARKER & SON LTD- 08067416 - Incorporated on 14 May 2012 
- W M BARKER & SON LTD.- 03910003 - Incorporated on 20 January 2000 
- BOB BARKER LTD- 09487264 - Incorporated on 12 March 2015 
- MR BARKERS LTD- 14295489 - Incorporated on 15 August 2022 
- MR DJ BARKER LTD- 14846225 - Incorporated on 4 May 2023 
- EML BARKER LTDDisolved- 14508403 - Dissolved on 7 May 2024 
- James Carl BARKER- Born March 1982 - 142 Lexham Gardens, London, England, W8 6JE 
- JAMES PAUL BARKER- Born January 1973 - 77 PARKWAY PARKWAY, LONDON, ENGLAND, NW1 7PU 
- Adam James BARKER- Born October 1971 - 1 Trinity Mews Whaley Bridge, High Peak, Derbyshire, United Kingdom, SK23 7JE 
- James Carl BARKER- Born March 1982 - Office 5, Boleyn Suite Hever Castle Golf Club, Hever Road, Edenbridge, Kent, England, TN8 7NP 
- GARY JAMES BARKER- Born May 1963 - 53A ECCLES ROAD, LONDON, SW11 1LZ 
- JAMES CARL BARKER- Born March 1982 - ROBERT HOUSE 19 STATION ROAD, CHINNOR, OXFORDSHIRE, UNITED KINGDOM, OX39 4PU 
- NEIL JAMES BARKER- NATIONAL EXPRESS HOUSE BIRMINGHAM COACH STATION MI, DIGBETH, BIRMINGHAM, B5 6DD