| Company | Timeline | Status | |
| Orchard House (RS) Management Company Limited Director • Director | 10 Jun 2021←4 Years→Current | Active | |
| Cornwall Windows Limited Director • Director | 23 Nov 2018←2 Years 1 Month→22 Dec 2020 | Dissolved | |
Puffin Homes (NP) Limited Director • Director | 9 Oct 2017←1 Year 5 Months→26 Mar 2019 | Dissolved | |
| Puffin Homes (SW) Limited Director • Director | 21 Sep 2011←14 Years→Current | Active | |
Tonkin Nominees Limited Director • Director | 4 Jun 2008←8 Years→22 Nov 2016 | Dissolved | |
| Williams Court (Falmouth) Management Company Limited Director • Builder | 10 Oct 2007←13 Years→7 Sep 2021 | Active | |
| Tonkins Ope Management Company Limited Director • Builder | 19 Jul 2006←12 Years→28 May 2019 | Active | |
| Tonkin Products Limited Director • Builder | 22 Jan 2003←1 Day→22 Jan 2003 | Active | |
| Tonkin Homes Limited Director • Builder | 15 Jan 2003←17 Years→10 Nov 2020 | Dissolved | |
