- WYN ENGINEERING LIMITEDActive - Proposal to Strike off- 08915144 - Incorporated on 27 February 2014 
- WYN SURVEYING LIMITED- 09860668 - Incorporated on 6 November 2015 
- WYN INVESTMENT LIMITED- 12041484 - Incorporated on 10 June 2019 
- WYN DESIGN LIMITED- 09539155 - Incorporated on 13 April 2015 
- WYN SECURITY LTDDisolved- 09916528 - Dissolved on 29 April 2025 
- WYN ENTERPRISE LTD- 12434479 - Incorporated on 30 January 2020 
- WYN COMMUNICATIONS LTD- 14627384 - Incorporated on 31 January 2023 
- WYN SERVICES LTD- 15155013 - Incorporated on 22 September 2023 
- CHARTER WYN LTDActive - Proposal to Strike off- 15654197 - Incorporated on 17 April 2024 
- TREVOR HOPKINS ASSOCIATES LIMITED- 03945709 - Incorporated on 13 March 2000 
- BEYNON DAVIES CIVILS LTDActive - Proposal to Strike off- 03853564 - Incorporated on 5 October 1999 
- DR BEYNON'S BUG FARM LIMITED- 08418442 - Incorporated on 25 February 2013 
- HLM ACQUISITIONS LIMITED- 08377587 - Incorporated on 28 January 2013 
- WYN CONSTRUCTION LIMITED- 02732520 - Incorporated on 20 July 1992 
- EIFION WYN CYF- 02583815 - Incorporated on 19 February 1991 
- WYN MANAGEMENT LTDActive - Proposal to Strike off- 11574212 - Incorporated on 18 September 2018 
- ELIZABETH WYN LTD- 11923993 - Incorporated on 3 April 2019 
- DRAIG WYN LTDDisolved- 12350766 - Dissolved on 13 September 2022 
- WYN INTERNATIONAL LIMITEDDissolved- 00409293 - Dissolved on 20 October 2012 
- WYN WOOD LIMITED- 05520108 - Incorporated on 27 July 2005