- DR. WARREN J HOPKINS LIMITEDDisolved- 09325918 - Dissolved on 2 August 2022 
- EDT DESIGN AND TECHNOLOGY LIMITED- 05568400 - Incorporated on 20 September 2005 
- SIMMONDS PROPERTY SOLUTIONS LTDDisolved- 06249461 - Dissolved on 2 January 2024 
- WARREN TAMWORTH LTD- 11269634 - Incorporated on 22 March 2018 
- WARRENS TIMBER LIMITED- 10698503 - Incorporated on 30 March 2017 
- UK FIESTA NETWORK LIMITEDActive - Proposal to Strike off- 04658663 - Incorporated on 6 February 2003 
- ROMIE UTILITIES LIMITEDActive - Proposal to Strike off- 07397648 - Incorporated on 5 October 2010 
- WARREN KLEINJAN LTDActive - Proposal to Strike off- 09648430 - Incorporated on 19 June 2015 
- LEEDS WAREHOUSE SOLUTIONS LIMITEDIn Administration/Administrative Receiver- 08357262 - Incorporated on 11 January 2013 
- MAINFRAME TECHNOLOGY LIMITED- 08928683 - Incorporated on 7 March 2014 
- CLOCK BARN LIMITED- 08800440 - Incorporated on 3 December 2013 
- COBB WARREN LIMITED- 12364342 - Incorporated on 16 December 2019 
- DIRECT MOBILITY HIRE LTD- 05675020 - Incorporated on 13 January 2006 
- V A WARREN & SON LIMITED- 09986866 - Incorporated on 4 February 2016 
- H. ROBERTS & SON LIMITED- 02799254 - Incorporated on 12 March 1993 
- WARREN MANAGEMENT SUPPORT LIMITED- 04187138 - Incorporated on 26 March 2001 
- RW STUDIO LTD- 08563249 - Incorporated on 10 June 2013 
- WARREN TELECOMMUNICATIONS LIMITED- 13456495 - Incorporated on 15 June 2021 
- WARREN MEDICAL LIMITED- 12659013 - Incorporated on 10 June 2020 
- DOCKSIDE DESIGN STUDIO LIMITED- 11236757 - Incorporated on 6 March 2018