| Company | Timeline | Status | |
| Design & Industries Association (The) Director • Printer | 31 Dec 1991←24 Years→31 Aug 2016 | Active | |
| S.Hille & Co.(Holdings)Limited Director • Printer | 1 Nov 1991←34 Years→Current | Active | |
| Print Forum Limited Director • Master Printer | 9 Jul 1991←33 Years→4 Mar 2025 | Dissolved | |
| S.Hille & Co.(Holdings)Limited Director • Unreported | 1 Jan 1970←56 Years→Current | Active | |
| Print Forum Limited Director • Unreported | 1 Jan 1970←55 Years→4 Mar 2025 | Dissolved | |
| Design & Industries Association (The) Secretary • Unreported | 1 Jan 1970←34 Years→20 Nov 2004 | Active | |
