- ACW CONTRACTS LTD- SC688069 - Incorporated on 4 February 2021 
- COLIN WILLIAMS LIMITEDActive - Proposal to Strike off- 05257563 - Incorporated on 12 October 2004 
- COLIN JAY WILLIAMS W0884 LTDDisolved- 04945542 - Dissolved on 1 April 2025 
- COLIN JOHN LIMITED- 04546659 - Incorporated on 26 September 2002 
- COLIN WILLIAMS TAXIS LTDActive - Proposal to Strike off- 05633577 - Incorporated on 23 November 2005 
- COLIN WILLIAMS SUPPLIES LTDDisolved- 10642097 - Dissolved on 27 July 2021 
- COLIN WILLIAMS DESIGN LIMITEDDissolved- 04814500 - Dissolved on 18 February 2011 
- COLIN WILLIAMS PLASTERERS LIMITEDActive - Proposal to Strike off- 05758597 - Incorporated on 28 March 2006 
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- COLIN GWYN WILLIAMS LIMITEDDisolved- 08100783 - Dissolved on 7 December 2021 
- COLIN WILLIAMS PLASTERING LTD- 16331421 - Incorporated on 20 March 2025 
- JOHN L. WILLIAMS LLP- OC331296 - Incorporated on 11 September 2007 
- COLIN WILLIAMS SERVICES LTDActive - Proposal to Strike off- 10653359 - Incorporated on 6 March 2017 
- COLIN WILLIAMS CONSULTANCY LTD- 13841147 - Incorporated on 11 January 2022 
- JOHN WILLIAMS 1692 LTDActive - Proposal to Strike off- 10075729 - Incorporated on 21 March 2016 
- JOHN H WILLIAMS LTD- 06337344 - Incorporated on 8 August 2007 
- DUET MARKETING LIMITEDDisolved- 04068902 - Dissolved on 30 January 2024 
- KEITH JOHN WILLIAMS- 07068963 - Incorporated on 6 November 2009 
- COLIN JOHN HAIR LIMITED- 05773287 - Incorporated on 7 April 2006 
- COLIN R. WILLIAMS-LOCK LIMITEDDissolved- 01495705 - Dissolved on 11 September 2012