- MR JOHN BROWN LTDDissolved- SC645267 - Dissolved on 22 June 2021 
- CHRIS DUFFY AND ASSOCIATES LIMITED- 05406315 - Incorporated on 29 March 2005 
- CHRIS DUFFY PROPERTY (EDINBURGH) LTD- SC663478 - Incorporated on 8 June 2020 
- MR NEVILLE JOHNSON NBA AND MRS HELEN JOHNSON NBA (COA RCOJ) (VAUXHALL) UK LIMITEDActive - Proposal to Strike off- 12089736 - Incorporated on 6 July 2019 
- MR JOHNNY CARS LTDDisolved- 12592215 - Dissolved on 12 October 2021 
- MR JOHNS LIMITED- 11368258 - Incorporated on 17 May 2018 
- MR ANDREW JOHN LTDDisolved- 15255294 - Dissolved on 20 August 2024 
- MR JOHN PARKER LTDActive - Proposal to Strike off- 07479327 - Incorporated on 29 December 2010 
- Rogan James, Mr. DUFFY- Born June 1974 - 9 Burnham Drive, Bournemouth, England, BH8 9EX 
- Paul Joseph, Mr. DUFFY- Born June 1946 - 22 Red Clover Road, Uckfield, England, TN22 5FQ 
- MR NEVILLE JOHNSON (THE SUN GIRLSX 1560) X TENNYSON TLCJ (B10 8HA) UK PLCActive - Proposal to Strike off- 07298511 - Incorporated on 29 June 2010 
- MR JOHN SAMMERS LTDDissolved- 08055273 - Dissolved on 29 October 2013 
- MR MIKE JOHNSON LTDDisolved- 16039968 - Dissolved on 11 March 2025 
- MR JOHN BURROWS LTD- 15023523 - Incorporated on 24 July 2023 
- CHRIS JOHN HALL LTD- 14241492 - Incorporated on 18 July 2022 
- James Edward, Mr. DUFFY- Born May 1989 - Unit 14 Gemini Project Landmann Way, London, England, SE14 5RL 
- Austen James, Mr. DUFFY- Born August 1968 - Altus Business Consulting Ltd High Street, Wordsley, Stourbridge, West Midlands, England, DY8 5SB 
- JOHN DUFFY DESIGN GROUP LIMITED- NF003441 - Incorporated on 15 December 1998 
- JOHN DUFFY PROPERTY MANAGEMENT LIMITEDDisolved- 12737593 - Dissolved on 19 September 2023 
- JOHN DUFFY DRIVING SERVICES LIMITEDDissolved- 06194713 - Dissolved on 8 June 2010