- MARCIA WILLETT LIMITED- 04254109 - Incorporated on 17 July 2001 
- WILLETT CONTRACTING LTDDissolved- 05104073 - Dissolved on 20 July 2010 
- WILLETT ACCOUNTANCY LTDActive - Proposal to Strike off- 11160106 - Incorporated on 19 January 2018 
- KARL WILLETT LTD- 09324204 - Incorporated on 24 November 2014 
- PAULA REID & DAVID SCUDDER LTD- 15301209 - Incorporated on 21 November 2023 
- SARA WILLETTS LTD- 07186960 - Incorporated on 11 March 2010 
- MIKE WILLETTS LTDDisolved- SC661428 - Dissolved on 12 April 2022 
- WILLETTS & DOIG LTD- 11913593 - Incorporated on 29 March 2019 
- WILLETT WORK LTDDissolved- 10741651 - Dissolved on 9 April 2019 
- JEFF WILLETT LTD- 10496717 - Incorporated on 25 November 2016 
- SIMON WILLETT LTDDisolved- 08005853 - Dissolved on 13 August 2024 
- AMY WILLETTS LTD- 08387666 - Incorporated on 4 February 2013 
- WILLETT CONSULTING LIMITEDDisolved- 06291539 - Dissolved on 18 October 2022 
- WILLETT MARINE LIMITED- 08179561 - Incorporated on 14 August 2012 
- ANTHONY WILLETT LIMITED- 04606040 - Incorporated on 2 December 2002 
- WILLETT DEVELOPMENTS LIMITED- 00258971 - Incorporated on 12 September 1931 
- WILLETT & ROSS LIMITEDDissolved- 00996748 - Dissolved on 2 February 2013 
- WILLETT INNS LIMITED- 05276340 - Incorporated on 2 November 2004 
- WILLETT HOLDINGS LTD- 10388891 - Incorporated on 22 September 2016 
- WILLETT SOLUTIONS LTD- 14300298 - Incorporated on 16 August 2022