| Company | Timeline | Status | |
| Neil Howard Williams Ltd Director • Director | 21 Mar 2024←1 Year 9 Months→Current | Active | |
| Neil Williams Subsea Consultancy Limited Director • Engineering Consultant | 24 Nov 2016←9 Years→Current | Active | |
Firmwatch Limited Director • Engineering Consultant | 5 Mar 1991←25 Years→3 Jan 2017 | Dissolved | |
