| Company | Timeline | Status | |
| Huw Williams (Ent) Ltd Director • Consultant Ent Surgeon | 26 Feb 2016←9 Years→Current | Active | |
| Ellen Williams Ltd Director • Surgeon | 11 May 2010←15 Years→Current | Active | |
| Team Health LLP Non-designated LLP Member • Unreported | 10 Mar 2006←19 Years→1 Nov 2025 | Active | |
