| Company | Timeline | Status | |
| Iste Science Publishing Ltd Director • Director | 31 Mar 2022←3 Years→Current | Active | |
| Iste Press Limited Director • Director | 31 Mar 2022←3 Years→Current | Active | |
| Iste Sciences Encyclopedia Ltd Director • Director | 28 Nov 2018←6 Years→Current | Active | |
| Iste Editions Limited Director • Marketing | 24 Sep 2008←17 Years→Current | Active | |
