| Company | Timeline | Status | |
| Parc Y Fronwen Limited Director • Driving Instructor | 9 Dec 2013←12 Years→Current | Active | |
| Anglesey Training Centre Ltd Director • Driving Instructor | 2 Jan 2013←1 Year 3 Months→2 Apr 2014 | Dissolved | |
| Huw Williams Driver Training (Ynys Mon) Limited Director • Driving Instructor | 28 Jan 2009←16 Years→Current | Active | |
| Huw Williams Transport Services Limited Director • Driving Instructor | 28 Jan 2009←3 Years→30 Mar 2012 | Dissolved | |
