| Company | Timeline | Status | |
| Weston Shipping Limited Director • Unreported | 23 Aug 2016←9 Years→Current | Active | |
| Clarkson Capital Limited Director • Ship Broker | 20 Feb 2002←2 Years 2 Months→30 Apr 2004 | Active | |
| Calypso Shipping Investments Limited Director • Shipbroker | 23 Jan 2002←2 Years 3 Months→30 Apr 2004 | Active | |
| Clarksons Structured Asset Finance Limited Director • Shipbroker | 8 Mar 2000←4 Years→30 Apr 2004 | Active | |
| Clarkson Overseas Shipbroking Limited Director • Shipbroker | 23 Jul 1997←6 Years→30 Apr 2004 | Active | |
| Clarksons Futures Limited Director • Shipbroker | 17 May 1995←8 Years→30 Apr 2004 | Active | |
| Clarkson Shipbroking Group Limited Director • Shipbroker | 26 Jan 1994←10 Years→30 Apr 2004 | Active | |
| International Transport Intermediaries Club Limited Director • Shipbroker | 9 Sep 1992←12 Years→31 Dec 2004 | Active | |
| Clarkson Plc Director • Shipbroker | 14 Jun 1992←11 Years→30 Apr 2004 | Active | |
| H. Clarkson & Company Limited Director • Shipbroker | 12 Jun 1992←11 Years→30 Apr 2004 | Active | |
