| Company | Timeline | Status | |
| Clark Investments 2025 Limited Director • Director | 31 Mar 2025←7 Months→Current | Active | |
Bus Bits And More Limited Director • Engineer | 24 Sep 1999←17 Years→16 May 2017 | Dissolved | |
| Clark Engineering Limited Director • Engineer | 20 Jun 1997←28 Years→Current | Active | |
| Partline Limited Director • Engineer | 23 Jan 1995←30 Years→Current | Active | |
