- JEFFRIES EYECARE LTD- 15569037 - Incorporated on 16 March 2024 
- JEFFRIES ONLINE LTD- 14346530 - Incorporated on 9 September 2022 
- CM JEFFRIES GROUP LTDDisolved- 13421076 - Dissolved on 12 December 2023 
- GWYNSSON CIC- 15370817 - Incorporated on 27 December 2023 
- TY GWYN PETS LTD- 14026828 - Incorporated on 5 April 2022 - Chester Road, Padeswood, CH7 4JF 
- GWYN MEDIA LTDDisolved- 14088016 - Dissolved on 14 March 2023 
- GWYNFRYN LTDDisolved- 13569521 - Dissolved on 23 January 2024 
- GWYN JAMES LLPDisolved- OC367654 - Dissolved on 6 February 2024 
- GWYNELLE LTDActive - Proposal to Strike off- 12373659 - Incorporated on 20 December 2019 
- GWYNYNEA LTDDisolved- 12403870 - Dissolved on 5 July 2022 
- GWYNYLIS LTDActive - Proposal to Strike off- 12394276 - Incorporated on 9 January 2020 
- KISSANE & JEFFRIES LIMITEDDissolved- 02818959 - Dissolved on 20 September 2013 
- JEFFRIES BLUE LIMITEDDisolved- 10252202 - Dissolved on 1 March 2022 
- WENTWORTH & JEFFRIES LIMITED- 11228939 - Incorporated on 28 February 2018 
- LINCOLN JEFFRIES LIMITED- 00684853 - Incorporated on 1 March 1961 
- ROWLAND JEFFRIES LIMITEDActive - Proposal to Strike off- 06807329 - Incorporated on 2 February 2009 
- JEFFRIES CONSULTING LIMITED- 07784493 - Incorporated on 23 September 2011 
- JEFFRIES LEISURE LIMITED- 04305189 - Incorporated on 16 October 2001 
- GOLD-GWYNN LIMITEDActive - Proposal to Strike off- 10344048 - Incorporated on 24 August 2016 
- BRANWEN GWYN CYF- 15157108 - Incorporated on 22 September 2023