| Company | Timeline | Status | |
| TND Consulting Engineers Limited Director • Engineer  | 17 Sep 2012←13 Years→Current  | Active  | |
| Tony Nijhuis Designs Ltd Director • Engineer  | 7 Oct 2010←15 Years→Current  | Active  | |
| Hastings Model Flying Club Limited Director • Engineer  | 8 Dec 2009←3 Years→3 Dec 2013  | Active  | |
| Hastings Model Flying Club Limited Director • Engineer  | 4 Dec 2001←1 Year→31 Dec 2002  | Active  | |
