- ROBERTA DRIVE LTD LTDDisolved- 13161109 - Dissolved on 5 July 2022 
- ROBERT SHARPE CONSULTANCY LIMITEDDissolved- 06277608 - Dissolved on 27 September 2011 
- ROBERT SHARPE INTERNATIONAL LIMITEDDissolved- 04171806 - Dissolved on 16 October 2012 
- JAMES S. ROBERTSON & SON LIMITED- SC033717 - Incorporated on 2 March 1959 
- M SHARP DRIVER HIRE LIMITED- 15003727 - Incorporated on 14 July 2023 
- AIDAN JAMES ROBERTS LIMITEDDisolved- 13877932 - Dissolved on 11 June 2024 
- RAZORS EDGE (MCR) LIMITEDActive - Proposal to Strike off- 05373383 - Incorporated on 23 February 2005 
- JAMES DREW LIMITED- 09152649 - Incorporated on 29 July 2014 
- DRAPER JAMES & SON LTD- 12102859 - Incorporated on 15 July 2019 
- JAMES FOR DRAINS LTD- 14946349 - Incorporated on 19 June 2023 
- DR JAMES C BRADLEY LLPActive - Proposal to Strike off- OC386901 - Incorporated on 30 July 2013 
- DRUMMOND & JAMES LTD- 09822147 - Incorporated on 13 October 2015 
- ROBERTO DRY LINING LTDActive - Proposal to Strike off- 08873100 - Incorporated on 3 February 2014 
- ROBERT V DRIVE LIMITEDDisolved- 14311414 - Dissolved on 30 January 2024 
- ROBERT DRYLINING LTDDisolved- 12919324 - Dissolved on 17 September 2024 
- ROBERTS DRAINAGE LTD- 14693486 - Incorporated on 28 February 2023 
- DR ROBERTSON LIMITEDActive - Proposal to Strike off- 10876246 - Incorporated on 20 July 2017 
- DR FELICIA ROBERTS LTDDisolved- 15607398 - Dissolved on 1 July 2025 
- 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