- NEIL WILLIS LIMITED- 13883172 - Incorporated on 31 January 2022 
- BRIGHT WILLIS LIMITED- 04267325 - Incorporated on 8 August 2001 
- ASSER WILLIS LIMITEDDissolved- 06702175 - Dissolved on 29 June 2010 
- WILLIS MARLOW LIMITEDActive - Proposal to Strike off- 05331450 - Incorporated on 13 January 2005 
- CATER WILLIS LIMITED- 05466242 - Incorporated on 27 May 2005 
- WILLIS MASTERS LIMITEDActive - Proposal to Strike off- 06430251 - Incorporated on 19 November 2007 
- WILLIS PROPERTIES LTD- 04939272 - Incorporated on 21 October 2003 
- HARRY WILLIS LIMITED- 04949969 - Incorporated on 31 October 2003 
- WELBY WILLIS LIMITEDDissolved- 06972931 - Dissolved on 2 February 2010 
- WILLIS COMMERCIAL LIMITED- 07270043 - Incorporated on 1 June 2010 
- WILLIS HAULAGE LIMITED- 07749904 - Incorporated on 23 August 2011 
- WILLIS FILMS LIMITED- 06881287 - Incorporated on 20 April 2009 
- ELLIOTT WILLIS LIMITEDDisolved- 07025218 - Dissolved on 15 July 2022 
- WILLIS TECHNOLOGY LIMITEDDissolved- 07296739 - Dissolved on 18 September 2018 
- HARVEY WILLIS LIMITED- SC415423 - Incorporated on 25 January 2012 
- WILLIS WHEELER LIMITEDLiquidation- 07970542 - Incorporated on 29 February 2012 
- WILLIS PAINTWORK LTD- 08036129 - Incorporated on 18 April 2012 
- WILLIS CONTRACTORS LIMITEDLiquidation- 08081084 - Incorporated on 24 May 2012 
- STEVEN WILLIS LIMITEDActive - Proposal to Strike off- 08120237 - Incorporated on 26 June 2012 
- KEITH WILLIS LIMITED- 07469584 - Incorporated on 14 December 2010