- GWYNTEC LTD- 15792966 - Incorporated on 21 June 2024 
- SIMON GWYNNE HOWELL- Born February 1956 - MOORGATE HOUSE 6 CHRISTINA STREET, SWANSEA, UNITED KINGDOM, SA1 4EW 
- RHOS GWYN (UK) LTDDissolved- 06390374 - Dissolved on 18 May 2010 
- GWYNNE & CIE. LTD- 08807790 - Incorporated on 9 December 2013 
- GWYNYORE LTDDissolved- NI666064 - Dissolved on 29 June 2021 
- MARK JEFFRIES JEFFRIES- Born May 1971 - @WALES DIGITALMEDIA INITIATIVE MOUNT STUART SQUARE, CARDIFF BAY, CARDIFF, WALES, UNITED KINGDOM, CF10 5LR 
- SIMON GWYNNE HOWELL- Born February 1956 - MOORGATE HOUSE 6 CHRISTINA STREET, SWANSEA, SA1 4EW 
- SIMON GWYNNE BONHAM- Born January 1959 - 30 BROOKFIELD WAY, KIBWORTH, LEICESTERSHIRE, LE8 0SA 
- SIMON GWYNNE BONHAM- Born January 1959 - 8 ALLERTON ROAD ALLERTON ROAD, CENTRAL PARK, RUGBY, WARWICKSHIRE, ENGLAND, CV23 0PA 
- E. JEFFRIES BRANDS LTDDisolved- 15188329 - Dissolved on 1 October 2024 
- SB (GWYNEDD) LTDActive - Proposal to Strike off- 09474744 - Incorporated on 6 March 2015 
- GWYNALLE LTDDisolved- NI663211 - Dissolved on 24 December 2024 
- CWRT TY GWYN LTDDissolved- 05245120 - Dissolved on 1 June 2010 
- JMR SECTION BENDERS LTD- 00526837 - Incorporated on 12 December 1953 
- JEFFRIES LIFESTYLE LTD- 15211107 - Incorporated on 13 October 2023 
- JEFFRIES RECRUITMENT LTD- 15263563 - Incorporated on 6 November 2023 
- JEFFRIES LETTINGS LIMITED- 03738758 - Incorporated on 23 March 1999 - 112-114 London Road, Northend, PO2 0LZ 
- ANTUNOVIC JEFFRIES LIMITEDDissolved- 06567402 - Dissolved on 5 October 2010 
- CLAIRE JEFFRIES LIMITED- 07582839 - Incorporated on 29 March 2011 
- JEFFRIES HOLDINGS LIMITED- 04039932 - Incorporated on 25 July 2000