| Company | Timeline | Status | |
| Tusons Limited Director • Financial Consultant | 22 Jan 2002←20 Years→3 Jun 2022 | Dissolved | |
| Tuson & Partners Limited Director • Financial Consultant | 22 Jan 2002←9 Years→30 Sep 2011 | Active | |
| Alto Underwriting Limited Director • Financial Adviser | 29 Sep 1998←22 Years→18 Dec 2020 | Active | |
| Augustine Limited Director • Financial Consultant | 30 Aug 1991←20 Years→2 Apr 2012 | Active | |
| Augustine Limited Secretary • Unreported | 30 Aug 1991←20 Years→2 Apr 2012 | Active | |
K.D. Tuson Limited Director • Financial Consultant | 30 Jun 1991←27 Years→6 Nov 2018 | Dissolved | |
| Tuson (Holdings) Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
