- PLUMB PROFESSOR LTDDisolved- 13211836 - Dissolved on 18 July 2023 
- PROFESSOR MUNCHIES LTDActive - Proposal to Strike off- 15575237 - Incorporated on 19 March 2024 
- PROFESSOR PRINT LTDActive - Proposal to Strike off- 07700052 - Incorporated on 11 July 2011 
- GINGER PROFESSOR LIMITEDDissolved- 07267079 - Dissolved on 15 October 2013 
- PROFESSOR BALANCE LTD- SC605713 - Incorporated on 20 August 2018 
- PROFESSOR SERVICES LTD- 10108583 - Incorporated on 7 April 2016 
- PROFESSOR BALTHAZAR LTDActive - Proposal to Strike off- 09832294 - Incorporated on 20 October 2015 
- PROFESSOR KLEAN LTDDisolved- SC719186 - Dissolved on 6 September 2022 
- PAINT PROFESSOR LTD- 16399565 - Incorporated on 22 April 2025 
- PAUL NICHOLAS URBAN SCHOOL OF ROCK LIMITEDDissolved- 06968247 - Dissolved on 16 October 2012 
- NICHOLAS JOHN CHARLES CORNISH- Born May 1943 - EDGEHILL HOUSE CHURCH STREET, SOUTHWELL, NOTTINGHAMSHIRE, UNITED KINGDOM, NG25 0HQ 
- PROFESSOR PIXEL LTD- 07143092 - Incorporated on 2 February 2010 
- PROFESSOR CLEAN LTDActive - Proposal to Strike off- 07595428 - Incorporated on 7 April 2011 
- PROFESSOR BRAGOLI LIMITED- 06622955 - Incorporated on 18 June 2008 
- PROFESSOR CLEAN LIMITEDActive - Proposal to Strike off- 09188490 - Incorporated on 28 August 2014 
- PROFESSOR PAINT LTDActive - Proposal to Strike off- 11385993 - Incorporated on 29 May 2018 
- PROFESSOR DRINKS LIMITEDActive - Proposal to Strike off- 09966008 - Incorporated on 22 January 2016 
- PROFESSOR SOFTBLAST LTDActive - Proposal to Strike off- SC574629 - Incorporated on 25 August 2017 
- PATIO PROFESSOR LIMITEDActive - Proposal to Strike off- 11032904 - Incorporated on 26 October 2017 
- CLEANING PROFESSOR LTDDisolved- 13867516 - Dissolved on 27 June 2023