- JOHN JEFFERY ROFF- Born October 1950 - 29 WOODLANDS, NEWCASTLE UPON TYNE, NORTHUMBERLAND, UNITED KINGDOM, NE20 9EU 
- MR LIAM JEFFERY LTDDisolved- 13370397 - Dissolved on 4 October 2022 
- MR. JOHN NEEDisolved- NI610586 - Dissolved on 18 June 2024 
- JOHN JEFFERY (AUCTIONEERS) LIMITED- 02027216 - Incorporated on 11 June 1986 
- JOHN JEFFERY AGRICULTURAL LIMITEDDissolved- 04052937 - Dissolved on 14 December 2010 
- JOHN JEFFERY DECORATORS LIMITED- 11446397 - Incorporated on 3 July 2018 
- JOHN ROFF- Born February 1907 - POPLARS, HIGH STREET, NEWENT, GLOUCESTERSHIRE, GL18 1AY 
- JOHN ROFF- POPLARS, HIGH STREET, NEWENT, GLOUCESTERSHIRE, GL18 1AY 
- JOHN JEFFERY CONSULTING LIMITED- 07014692 - Incorporated on 10 September 2009 
- JOHN JEFFERY CARE LIMITED- 16214492 - Incorporated on 28 January 2025 
- JOHN JEFFERY (HOLDINGS) LIMITED- 13757917 - Incorporated on 22 November 2021 
- JOHNSON & JEFFERY LIMITEDDisolved- 08840258 - Dissolved on 2 April 2025 
- TLCJ MR N A JOHNSON LIMITEDDisolved- 12680774 - Dissolved on 30 January 2024 
- MR AND MRS JOHNCOCK LTDDissolved- 09566798 - Dissolved on 8 May 2018 
- ROFFY LTD- 10207991 - Incorporated on 31 May 2016 
- ROFF CO LTD- 14955671 - Incorporated on 23 June 2023 
- ROFFY LTDDisolved- 14791750 - Dissolved on 17 September 2024 
- MR JOHN'S LIMITEDActive - Proposal to Strike off- 04692323 - Incorporated on 10 March 2003 
- MR NIGEL JOHN LTDActive - Proposal to Strike off- 15513862 - Incorporated on 22 February 2024 
- MR JOHN BROWN LTDDissolved- SC645267 - Dissolved on 22 June 2021