- WILLIAMSON MR PETER DEAN LTDDisolved- 15374656 - Dissolved on 3 June 2025 
- MR TOPPINGS (PETERBOROUGH) LTDDisolved- 11816493 - Dissolved on 3 January 2024 
- ROWLEY PETER JAMES 0377 LIMITEDDissolved- 09269920 - Dissolved on 26 February 2019 
- JAMES PETERS LIFESTYLE LTD- 14108683 - Incorporated on 16 May 2022 
- MR FITNESS ST JAMES LIMITEDLiquidation- 10529700 - Incorporated on 16 December 2016 
- MR THOMAS JAMES BINGHAM LTDDisolved- NI707981 - Dissolved on 17 June 2025 
- WHITTAKER GIBSONActive - Proposal to Strike off- 07787702 - Incorporated on 26 September 2011 
- MR JAMES THOMAS HOLGATE LTDDisolved- 13814154 - Dissolved on 20 June 2023 
- WHITTAKER II- 10288918 - Incorporated on 20 July 2016 
- WHITTAKER AEROSPACE- 02812314 - Incorporated on 23 April 1993 
- A.E.PETERSEN BPHARM MR PHARMS LLPDissolved- OC300097 - Dissolved on 23 October 2012 
- WHITTAKER IIIDisolved- 10297325 - Dissolved on 20 September 2022 
- WHITTAKER DEFOITEActive - Proposal to Strike off- 07900738 - Incorporated on 6 January 2012 
- WHITTAKER GUERNSEY- FC035582 - Incorporated on 27 October 2017 
- WHITTAKER IVDisolved- 10297386 - Dissolved on 20 September 2022 
- PETER JAMES ACADEMY GROUP LTDDisolved- 12948158 - Dissolved on 22 March 2022 
- JAMES PETERSON PROPERTY LTDDisolved- 14525367 - Dissolved on 5 September 2023 
- ST JAMES HOUSE (PETERBOROUGH) LTD- 08658384 - Incorporated on 20 August 2013 
- PETERSON JAMES HOLDINGS LTDDisolved- 14570911 - Dissolved on 21 November 2023 
- PETERSON JAMES TRAINING LTDDisolved- 14867977 - Dissolved on 3 September 2024