| Company | Timeline | Status | |
| Clearwater Environmental Ireland Ltd Director • Microbiologist | 9 Jul 2018←2 Years 6 Months→12 Jan 2021 | Dissolved | |
| Solmicrotek Limited Director • Director | 22 Mar 2012←13 Years→Current | Active | |
| Waterman Biocare Technologies Limited Director • Director | 3 Apr 2007←18 Years→Current | Active | |
| Waterman Environmental Group Limited Director • Director | 3 Apr 2007←18 Years→Current | Active | |
| Waterman Environmental Services Limited Director • Company Director | 3 Sep 1998←27 Years→Current | Active | |
| Mercian Science Limited Director • Director | 3 Sep 1998←27 Years→Current | Active | |
