| Company | Timeline | Status | |
| Chapter Chambers Management Limited Director • Architect | 18 Aug 1992←7 Years→16 Jun 2000 | Active | |
| A.J.Pepper Limited Secretary • Unreported | 29 Nov 1991←27 Years→5 Mar 2019 | Active | |
| Amanuensis Limited Director • Architect | 5 Sep 1991←27 Years→7 Mar 2019 | Active | |
| Amanuensis Limited Secretary • Unreported | 5 Sep 1991←27 Years→7 Mar 2019 | Active | |
