- CHRISTOPHER JOHN WATERS LTDActive - Proposal to Strike off- 08502878 - Incorporated on 24 April 2013 
- JOHN CHRISTOS NICOLAOU LTD.- 10722480 - Incorporated on 12 April 2017 
- DUFFY GOLF FITNESS LTDActive - Proposal to Strike off- 09009863 - Incorporated on 24 April 2014 
- JOHN CHRISTIAN COMPANY LTDDisolved- 12686189 - Dissolved on 30 November 2021 
- ANDREW JOHN CHRISTOPHER LTDDisolved- 13440124 - Dissolved on 20 December 2022 
- DUFFY REGAN LTD- 07371493 - Incorporated on 9 September 2010 
- J DUFFY LIMITED- 08571387 - Incorporated on 17 June 2013 
- DUFFY MEDIA LTD- 11590544 - Incorporated on 26 September 2018 
- CHRISTOPHER DUFFY DRIVING SERVICES LIMITEDDissolved- 06189739 - Dissolved on 8 June 2010 
- DUFFYRAIL LTDActive - Proposal to Strike off- 09985455 - Incorporated on 3 February 2016 
- BALAN DUFFY LTDActive - Proposal to Strike off- 12518541 - Incorporated on 16 March 2020 
- DUFFY & LEBAN LTD- 07144117 - Incorporated on 2 February 2010 
- P. DUFFY LIMITED- SC276090 - Incorporated on 16 November 2004 
- T. J. DUFFY LIMITEDDisolved- 07097990 - Dissolved on 1 November 2022 
- KEITH DUFFY LTD- 05660432 - Incorporated on 21 December 2005 
- S DUFFY LIMITEDActive - Proposal to Strike off- 10500651 - Incorporated on 29 November 2016 
- P.M.DUFFY LIMITED- 12214835 - Incorporated on 18 September 2019 
- BARRY DUFFY LTD- 16494899 - Incorporated on 4 June 2025 
- MR JOHN RICHARD TAYLOR LIMITED- 15648315 - Incorporated on 15 April 2024 
- MR JOHN ANTHONY STEVENSON LTDDisolved- 15407905 - Dissolved on 8 October 2024