- KAI PROF LP- SL031539 - Incorporated on 25 May 2017 
- PROF MARIE RENARDActive - Proposal to Strike off- 10851951 - Incorporated on 5 July 2017 
- PROF-CARE LIMITED- 10085268 - Incorporated on 25 March 2016 
- PROF. FIBONACCI LTDDisolved- 13168952 - Dissolved on 11 July 2023 
- IT PROF LTDActive - Proposal to Strike off- 14908963 - Incorporated on 1 June 2023 
- BW PROF LTD- 15974620 - Incorporated on 24 September 2024 
- PROF INSTALL LIMITED- 16273697 - Incorporated on 25 February 2025 
- JAMES DAVID CRIGHTON PITT- Born January 1966 - 26 REDCLIFFE ROAD, LONDON, SW10 9NP 
- SUE CRIGHTON HR CONSULTANCY LTDDisolved- 12307446 - Dissolved on 31 January 2023 
- CRIGHTON DESIGN CONSULTANTS LIMITEDDisolved- SC266872 - Dissolved on 22 March 2022 
- CRIGHTON STURGESS INVESTMENTS LTD- 06099016 - Incorporated on 13 February 2007 
- KENNY CRIGHTON DRILLING LIMITEDActive - Proposal to Strike off- SC648824 - Incorporated on 4 December 2019 
- CRIGHTON COMMERCIAL SERVICES LTDDisolved- SC731333 - Dissolved on 18 June 2024 
- PROF INSTALL LIMITEDDisolved- 14448406 - Dissolved on 31 December 2024 
- PROF LAW LIMITED- 13122161 - Incorporated on 8 January 2021 
- PROF JOB LTD- 15383577 - Incorporated on 3 January 2024 
- PROF RECRUIT LIMITED- 15634201 - Incorporated on 10 April 2024 
- PROF. F. MALONEDisolved- NI604874 - Dissolved on 11 April 2022 
- PROF TEC. LIMITED- NI612107 - Incorporated on 5 April 2012 
- PROF SELIG LTD- 12245748 - Incorporated on 7 October 2019