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- RICHARD DAVID WILLIAMS LTDActive - Proposal to Strike off- 08971313 - Incorporated on 1 April 2014 
- W.D.T. HOLDINGS LIMITED- NI003572 - Incorporated on 2 August 1955 
- DENNYSON CARE LIMITED- 08103097 - Incorporated on 13 June 2012 
- DAVID ROY WILLIAMS LIMITED- 10912989 - Incorporated on 14 August 2017 
- DENNY & DEMS LTD- 15038413 - Incorporated on 31 July 2023 
- WILLMOTT BUILDERS LTDActive - Proposal to Strike off- 14909748 - Incorporated on 1 June 2023 
- WILLMOTT TRANSPORT LIMITED- 06762687 - Incorporated on 1 December 2008 
- CLARKE WILLMOTT LLP- OC344818 - Incorporated on 8 April 2009 
- WILLMOTT CONSULTING LIMITED- 16358833 - Incorporated on 1 April 2025 
- WILLIAMSON MR PETER DEAN LTDDisolved- 15374656 - Dissolved on 3 June 2025 
- DENNY AUTOS REPAIRS LTDActive - Proposal to Strike off- 08383924 - Incorporated on 31 January 2013 
- DENNY'S DINER LTDActive - Proposal to Strike off- 09744799 - Incorporated on 24 August 2015 
- DENNYZART LTDActive - Proposal to Strike off- 10216803 - Incorporated on 6 June 2016 
- JAMES DENNY G LTDDisolved- 13168870 - Dissolved on 21 May 2024 
- WILLMOTTS LIMITEDDissolved- 03591099 - Dissolved on 20 July 2010 
- PARISH & WILLMOTT LIMITED- 00806474 - Incorporated on 25 May 1964 
- SPENCER WILLMOTT LIMITEDActive - Proposal to Strike off- 05168414 - Incorporated on 1 July 2004 
- WILLMOTT SOLUTIONS LTDDisolved- 08927680 - Dissolved on 19 April 2022 
- WILLMOTT GRANT LIMITED- 04815259 - Incorporated on 30 June 2003