| Company | Timeline | Status | |
| Nelson Tectonics Limited Director • Director | 31 Oct 1990←3 Years→2 Sep 1994 | Active | |
| Nelson Management Services Limited Director • Director | 14 Sep 1989←31 Years→1 Feb 2021 | Active | |
| Nelson Tectonics Limited Director • Unreported | 1 Jan 1970←24 Years→2 Sep 1994 | Active | |
