| Company | Timeline | Status | |
| Clarkson Capital Limited Secretary • Company Secretary | 8 Oct 1997←7 Months→31 May 1998 | Active | |
| Clarkson Holdings Limited Secretary • Unreported | 18 Apr 1997←1 Year 1 Month→31 May 1998 | Active | |
| Clarkson Dry Cargo Limited Secretary • Unreported | 17 Apr 1997←1 Year 1 Month→31 May 1998 | Active | |
| Clarkson Sale And Purchase Limited Secretary • Unreported | 17 Apr 1997←1 Year 1 Month→31 May 1998 | Active | |
| Clarkson Valuations Limited Secretary • Unreported | 17 Apr 1997←1 Year 1 Month→31 May 1998 | Active | |
| Clarkson Tankers Limited Secretary • Unreported | 17 Apr 1997←1 Year 1 Month→31 May 1998 | Active | |
| Clarkson Shipbrokers Limited Secretary • Unreported | 17 Apr 1997←1 Year 1 Month→31 May 1998 | Active | |
| Clarksons Platou Legal Services Limited Secretary • Unreported | 16 Apr 1997←1 Year 1 Month→31 May 1998 | Dissolved | |
| Clarksons Futures Limited Secretary • Company Secretary | 17 May 1995←3 Years→31 May 1998 | Active | |
| Clarkson Plc Secretary • Unreported | 14 Jun 1992←5 Years→31 May 1998 | Active | |
