| Company | Timeline | Status | |
| Grade Ruan CLT Limited Director • Managing Director | 26 Sep 2018←7 Years→Current | Active | |
| Treleague Dairy Ltd Director • Company Director | 27 Feb 2015←10 Years→Current | Active | |
| Grade Ruan CLT Limited Director • Company Director | 6 Nov 2013←3 Years→21 Dec 2016 | Active | |
| Serpentine Software Limited Director • Company Director | 24 Nov 2000←24 Years→Current | Active | |
| Serpentine Software Limited Secretary • Company Director | 24 Nov 2000←24 Years→Current | Active | |
