- MR BARKERS LTD- 14295489 - Incorporated on 15 August 2022 
- MR DJ BARKER LTD- 14846225 - Incorporated on 4 May 2023 
- EMARIVH GROUNDWORK & UTILITIES LIMITED- 09004449 - Incorporated on 22 April 2014 
- SIMPSON AND BARKER LTD- 16129061 - Incorporated on 10 December 2024 
- JAMES BARKER LTD- 10621457 - Incorporated on 15 February 2017 
- MR JAMES LTD- NI603682 
- JAMES SIMPSON 1972 LTDActive - Proposal to Strike off- 12603110 - Incorporated on 14 May 2020 
- JAMES SIMPSON LTD.Disolved- SC493032 - Dissolved on 24 January 2023 
- MELISSA BARKER-SIMPSON LTD- 15864250 - Incorporated on 29 July 2024 
- BARKER JAMES LIMITED- 11007478 - Incorporated on 11 October 2017 
- JAMES BARKER SIMPSON- Born October 1946 - 130 CHAIN STREET, BRADFORD, WEST YORKSHIRE, ENGLAND, BD1 2PU 
- JAMES BARKER SIMPSON- Born October 1946 - UNIT 32 JOHN KEMPE WAY, BIRMINGHAM, ENGLAND, B12 0HU 
- JAMES BARKER SIMPSON- 60 REDFERN CLOSE, SOLIHULL, WEST MIDLANDS, ENGLAND, B92 8SL 
- HILSIDE PROPERTIES NI LTD- NI651216 - Incorporated on 22 February 2018 
- MR NEIL BARKER LIMITEDDisolved- 13769748 - Dissolved on 30 May 2023 
- Evan L., Mr. BARKER- Born February 1999 - 103 Pantycelyn Road, Townhill, Swansea, Wales, SA1 6ND 
- ALEXANDER SIMPSON RECRUITMENT LTD- 14319978 - Incorporated on 26 August 2022 
- James Martin, Mr. SIMPSON- Born April 1984 - 5 Windsor Avenue, London, England, SW19 2RR 
- JAMES G SIMPSON LIMITED- 10144571 - Incorporated on 25 April 2016 
- Waldo, Mr. BARKER- Born July 1976 - Suite 2a, 7th Floor - Pf City Reach, 5 Greenwich View Place, London, England, E14 9NN