- David, Prof WILLIAMS- Born November 1946 - 57 Southborough Road, Bromley, Kent, BR1 2EL 
- David, Prof WERRING- 71 Queen Victoria Street, London, England, EC4V 4BE 
- David, Prof NOWELL- Born November 1959 - 16 Jack Straws Lane, Headington, Oxford, England, OX3 0DL 
- DAVID PROFFIT- Born April 1969 - LAXTON COTTAGE, SMITHWOOD COMMON, CRANLEIGH, SURREY, GU6 8QP 
- PROF CONSULTING GROUP LTD- 14888214 - Incorporated on 23 May 2023 
- IAN CRIGHTON- 58 MAIN STREET, SPRINGFIELD, CUPAR, FIFE, SCOTLAND, KY15 5SQ 
- IAN CRIGHTON- Born April 1988 - 35 MARSH AVE, NEW CHAPEL, STOKE-ON-TRENT, UNITED KINGDOM, ST7 4PX 
- ROY CRIGHTON- 33 FALLOWFIELDS, BICESTER, OXFORDSHIRE, ENGLAND, OX26 6QT 
- TENNIS PROF LIMITEDDissolved- 06608235 - Dissolved on 4 March 2014 
- PROF GRUPPEN LIMITEDActive - Proposal to Strike off- 07269920 - Incorporated on 1 June 2010 
- PROF. MICHAEL WALSHActive - Proposal to Strike off- NI605418 - Incorporated on 7 December 2010 
- PROF. STEPHEN PATCHETT- NI605420 - Incorporated on 7 December 2010 
- PROF. THOMAS WALSHLiquidation- NI609194 - Incorporated on 26 September 2011 
- PROF SOLUTIONS LIMITEDActive - Proposal to Strike off- 08236158 - Incorporated on 2 October 2012 
- PROF HEIKE LOTHRINGEN- 08869578 - Incorporated on 30 January 2014 
- PROF TOUR LTDActive - Proposal to Strike off- 08970892 - Incorporated on 1 April 2014 
- PROF. SEAMAS DONNELLYActive - Proposal to Strike off- NI617796 - Incorporated on 10 April 2013 
- AAN PROF LIMITEDDisolved- 09699683 - Dissolved on 4 July 2023 
- PROF CAR LIMITED- 09501891 - Incorporated on 20 March 2015 
- PROF. PERRYMAN LLPActive - Proposal to Strike off- OC402847 - Incorporated on 12 November 2015