| Company | Timeline | Status | |
| JF Moi Management Limited Director • Director  | 10 Feb 2016←9 Years→Current  | Active  | |
| JWTM Investment Management Ltd Director • Director  | 20 Sep 2012←13 Years→Current  | Active  | |
| J Moi & Company Limited Director • Unreported  | 29 May 2002←23 Years→Current  | Active  | |
Viscometers (U.K.) Limited Director • Consultant  | 30 Jul 1997←19 Years→17 Jan 2017  | Dissolved  | |
Viscometers (U.K.) Limited Secretary • Consultant  | 30 Jul 1997←19 Years→17 Jan 2017  | Dissolved  | |
| Pinnacles 4 Management Limited Director • General Manager  | 1 Jun 1994←15 Years→1 Dec 2009  | Active  | |
Brookfield Viscometers Limited Director • Consultant  | 10 May 1991←24 Years→20 Jan 2016  | Dissolved  | |
Brookfield Viscometers Limited Secretary • Unreported  | 10 May 1991←24 Years→20 Jan 2016  | Dissolved  | |
