| Company | Timeline | Status | |
| Scottish Maritime Cluster Limited Director • Naval Architect | 26 Jul 2017←5 Years→16 Jan 2023 | Active | |
| Oceanair Travel (UK) Limited Director • Company Director | 31 Mar 2004←18 Years→6 May 2022 | Active | |
| Denholm Maritime Services Limited Director • Company Director | 2 May 2000←1 Year→19 May 2001 | Active | |
| Anglo-Eastern (UK) Limited Director • Company Director | 26 Aug 1998←23 Years→6 May 2022 | Active | |
| The Parks (2001) Limited Director • Business Development Manager | 1 Jul 1994←4 Years→21 Oct 1998 | Dissolved | |
