- 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 
- Simon, Mr. PARSONS- Born January 1970 - Edf Energy Nuclear Generation Barnett Way, Barnwood, Gloucester, England, GL4 3RS 
- Simon, Mr. JACKSON- Born June 1973 - 34a Lanhill Road, Maidavale, London, W9 2BS 
- Simon Paul, Mr. COLE- Born January 1980 - 68 Ashorne Close, Redditch, Worcestershire, United Kingdom, B98 0EZ 
- Simon John, Mr WEBB- Born July 1982 - Globeleq 6th Floor - 67 Lombard Street, London, United Kingdom, EC3V 9LJ 
- Simone, Mr. PORZIO- Born September 1976 - 34 St. James's Street, First Floor, London, England, SW1A 1HD 
- MR SIMON HARTLEY- Born January 1973 - 1 SCHOOL COURT STOKE GIFFORD, BRSTOL, UNITED KINGDOM, BS34 8SA 
- Simon, Mr. POLLARD- Born July 1973 - 27c Sledgate, Rillington, United Kingdom, YO17 8JR 
- Simon John, Mr WEBB- Born July 1982 - 67 Lombard Street, London, England, EC3V 9LJ 
- Simon, Mr. SAMUELS- Born May 1972 - Central Court 25 Southampton Buildings, London, United Kingdom, WC2A 1AL 
- GOLD-GWYNN LIMITEDActive - Proposal to Strike off- 10344048 - Incorporated on 24 August 2016 
- BRANWEN GWYN CYF- 15157108 - Incorporated on 22 September 2023 
- GWYN HOTELS LIMITEDDissolved- 03259047 - Dissolved on 9 September 2011 
- GWYN DERWEN CICDisolved- 12706308 - Dissolved on 18 October 2022