| Company | Timeline | Status | |
| KTZ Goldborne Limited Director • Designer | 1 Jan 2024←1 Year 10 Months→Current | Active | |
| KTZ TWTC Limited Director • Direcotr | 17 Sep 2019←1 Year 6 Months→30 Mar 2021 | Dissolved | |
| Kokon To Zai Limited Director • Designer | 23 Sep 2013←12 Years→Current | Active | |
| KTZ Goldborne Limited Director • Designer | 22 Oct 2008←3 Years→1 Nov 2011 | Active | |
| Kokon To Zai Limited Director • Director | 12 Dec 2002←4 Years→10 May 2007 | Active | |
