- NICOLA WILLIS LTDDissolved- 10251074 - Dissolved on 12 June 2018 
- SOPHIE WILLIS 6706 LTDActive - Proposal to Strike off- 10378445 - Incorporated on 16 September 2016 
- HELENA WILLIS LTDActive - Proposal to Strike off- 11603850 - Incorporated on 4 October 2018 
- CARTER WILLIS LLP- OC424519 - Incorporated on 17 October 2018 
- WILLIS CLARKE LTDActive - Proposal to Strike off- 10153644 - Incorporated on 28 April 2016 
- WILLIS DESIGN LTDActive - Proposal to Strike off- 10297249 - Incorporated on 26 July 2016 
- WILLIS DESIGN LTDDissolved- SC354501 - Dissolved on 9 May 2014 
- WILLIS'S GARAGE LTD- 08236718 - Incorporated on 2 October 2012 
- WILLIS-BROWNE LTD.- 09363033 - Incorporated on 19 December 2014 
- MANSON-WILLIS LTD.Active - Proposal to Strike off- SC580378 - Incorporated on 1 November 2017 
- RODNEY WILLIS LTDDisolved- 13446191 - Dissolved on 1 August 2023 
- HS WILLIS LIMITEDDisolved- 14697796 - Dissolved on 18 June 2024 
- MAISIE WILLIS LTD- 15079286 - Incorporated on 17 August 2023 
- RACHEL WILLIS LTD- 15160742 - Incorporated on 24 September 2023 
- MARTIN WILLIS LTDDisolved- 15175533 - Dissolved on 6 May 2025 
- THE WILLIS CORP LTD- 15759447 - Incorporated on 4 June 2024 
- MR & MRS LARK LTDDissolved- 08146557 - Dissolved on 26 November 2019 
- MR & MRS SEW 'N' SEW LTD.- 07606830 - Incorporated on 18 April 2011 
- MR&MRS CLEAN LTDDisolved- 13755600 - Dissolved on 16 May 2023 
- MR&MRS STORE LTD- 16474263 - Incorporated on 27 May 2025