- HALL AND WARREN LTDDissolved- 06421145 - Dissolved on 26 January 2016 
- WARREN SAVILE LTDDissolved- 08201182 - Dissolved on 21 January 2014 
- DALE WARREN & SON LTD- 07810439 - Incorporated on 14 October 2011 
- ANDREW WARREN LTD- 06956927 - Incorporated on 9 July 2009 
- WARREN DAVIES LTD- 05963586 - Incorporated on 11 October 2006 
- IDEAL WARREN UK LTD.- 09175254 - Incorporated on 14 August 2014 
- WARREN DRIVES LTD- 09363143 - Incorporated on 19 December 2014 
- WARREN LOWERY LTDActive - Proposal to Strike off- 08983688 - Incorporated on 8 April 2014 
- WARREN MEADOW LTDDisolved- 13388536 - Dissolved on 26 March 2024 
- WILLOW + WARREN LTD- 15135984 - Incorporated on 13 September 2023 
- SETT AND WARREN LTD- 14380622 - Incorporated on 27 September 2022 
- STUDIO WARREN LTD- 16341552 - Incorporated on 25 March 2025 
- TOPFOTO SERVICES LIMITEDDissolved- 03007284 - Dissolved on 26 September 2009 
- CHOICES HOMECARE (MERSEYSIDE) LIMITED- 04398218 - Incorporated on 19 March 2002 - 1st Floor, Maple House, Maple Estate, Stocks Lane, Barnsley, S75 2BL 
- M WARREN UK LIMITEDActive - Proposal to Strike off- 07315057 - Incorporated on 14 July 2010 
- F.R.WARREN & CO. LIMITED- 00583387 - Incorporated on 6 May 1957 
- P WARREN & CO LIMITED- 08668528 - Incorporated on 29 August 2013 
- WARREN JOSEPH LTDDisolved- 09215614 - Dissolved on 9 May 2023 
- JK WARREN LIMITEDActive - Proposal to Strike off- 09258771 - Incorporated on 10 October 2014 
- DRS CAPP & WARREN LTDActive - Proposal to Strike off- 09338039 - Incorporated on 3 December 2014