| Company | Timeline | Status | |
| Morham & Brotchie Limited Director • Consulting Engineer | 31 Mar 2025←6 Months→Current | Active | |
| A. Lamb Associates Limited Director • Consulting Engineer | 31 Mar 2025←6 Months→Current | Active | |
| Gardiner Associates Training And Research Limited Director • Consulting Scientist | 16 Sep 2016←2 Years→20 Sep 2018 | Active | |
| Hawkins (International) Limited Director • Consulting Engineer | 19 May 2016←9 Years→Current | Active | |
| Hawkins Forensics Limited Director • Consulting Scientist | 19 May 2016←9 Years→Current | Active | |
| Hawkins & Associates Limited Director • Consulting Engineer | 15 May 2013←12 Years→Current | Active | |
