| Company | Timeline | Status | |
| Hikaru Kitai Limited Director • Unreported | 5 Apr 2022←3 Years→Current | Active | |
| Kitai LLP Designated LLP Member • Unreported | 1 Apr 2022←3 Years→Current | Active | |
| Studio Make Group Limited Secretary • Unreported | 12 Oct 2006←19 Years→Current | Active | |
| Studio Make Group Limited Secretary • Unreported | 12 Oct 2006←17 Years→6 Sep 2024 | Active | |
| Hikaru Kitai Architects Ltd Director • Unreported | 31 Aug 2005←20 Years→Current | Active | |
