| Company | Timeline | Status | |
| PJ Shipping Limited Director • Company Director | 4 Aug 2011←13 Years→12 Mar 2025 | Active | |
| Clarksons Offshore And Renewables Limited Director • Group Chief Executive | 2 Nov 1991←7 Years→14 Oct 1999 | Active | |
| Stewart Offshore Services Limited Secretary • Unreported | 2 Nov 1991←4 Years→31 Dec 1995 | Dissolved | |
| Samuel Stewart & Co.(London)Limited Secretary • Unreported | 2 Nov 1991←4 Years→31 Dec 1995 | Dissolved | |
