- LANGDON GRAY LLP- OC362336 - Incorporated on 2 March 2011 
- LANGDON HILL LTD- 15635099 - Incorporated on 10 April 2024 
- STEF LANGDONS LTD- 01026181 - Incorporated on 4 October 1971 
- JAMES S. ROBERTSON & SON LIMITED- SC033717 - Incorporated on 2 March 1959 
- LP STRAT & CO LTD- 10883102 - Incorporated on 25 July 2017 - 85 Great Portland Street, London, W1W 7LT 
- AIDAN JAMES ROBERTS LIMITEDDisolved- 13877932 - Dissolved on 11 June 2024 
- RAZORS EDGE (MCR) LIMITEDActive - Proposal to Strike off- 05373383 - Incorporated on 23 February 2005 
- MR LEWIS JAMES ALLEN LIMITEDDisolved- 15355999 - Dissolved on 20 May 2025 
- CORRECT CONNECT LTDActive - Proposal to Strike off- 11796686 - Incorporated on 30 January 2019 
- MR ROBERTS BREAD & CAKES LIMITED- 07495706 - Incorporated on 17 January 2011 
- LANGDON HILLS LTDDisolved- 13569603 - Dissolved on 15 August 2023 
- LANGDON 1 LIMITED- 16478511 - Incorporated on 28 May 2025 
- MILO LANGDON LTDDisolved- 12516178 - Dissolved on 23 April 2024 
- GARETH JAMES ROBERTS LIMITEDActive - Proposal to Strike off- 07415215 - Incorporated on 21 October 2010 
- ROBERT JAMES RUSSELL YOUNG LLP- OC420910 - Incorporated on 6 February 2018 
- NATHAN JAMES ROBERTS LIMITEDActive - Proposal to Strike off- 10287788 - Incorporated on 20 July 2016 
- JAMES ROBERTSHAW & SON (1954) LIMITED- 00539194 - Incorporated on 12 October 1954 
- JAMES ROBERTSON & SONS LIMITED- 00950938 - Dissolved on 21 June 2022 
- JAMES ROBERTS INSPECTION LTDActive - Proposal to Strike off- 15015558 - Incorporated on 20 July 2023 
- JAMES ROBERTSON PROD LIMITED- 16030544 - Incorporated on 21 October 2024