| Company | Timeline | Status | |
| Tidal Technologies Limited Director • Director  | 1 Mar 2024←1 Year 8 Months→Current  | Active  | |
| Midland Corrosion Services Ltd Director • Unreported  | 1 May 2018←7 Years→Current  | Active  | |
| Sandcastle Properties Limited Director • Consulting Engineer  | 10 May 2017←8 Years→Current  | Active  | |
| Building Testing Limited Director • Company Director  | 14 Mar 2011←14 Years→Current  | Active  | |
| Association For Consultancy And Engineering Director • Consulting Engineer  | 1 Mar 2011←2 Years 11 Months→21 Feb 2014  | Active  | |
| Geomaterials Research Services Limited Director • Consulting Engineer  | 1 Oct 2008←17 Years→Current  | Active  | |
| Sandberg LLP Designated LLP Member • Unreported  | 24 Mar 2003←22 Years→Current  | Active  | |
| Association For Consultancy And Engineering Director • Consulting Engineer  | 18 May 2001←8 Years→1 Dec 2009  | Active  | |
| Sandberg (UK) Limited Director • Managing Director  | 20 Oct 2000←25 Years→Current  | Active  | |
