- 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 
- JEFFRIES RADIOVISION LIMITED- 01213145 - Incorporated on 20 May 1975 
- JEFFRIES CATERING LIMITED- 08337044 - Incorporated on 19 December 2012 
- JEFFRIES CONSTRUCTION LIMITED- 09349904 - Incorporated on 10 December 2014 
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- JEFFRIES COMMISSIONING LTD- 11292699 - Incorporated on 5 April 2018 
- JEFFRIES & PARTNERS LIMITED- 03185348 - Incorporated on 12 April 1996 - 112-114 London Road, Northend, PO2 0LZ 
- JEFFRIES ENTERPRISE LIMITEDDisolved- 14190109 - Dissolved on 28 November 2023 
- JEFFRIES SERVICES LTD- 15319320 - Incorporated on 30 November 2023 
- JEFFRIES ENTERPRISES LTD- 15481028 - Incorporated on 10 February 2024