| Company | Timeline | Status | |
| Yorkshire Gliding Club (Proprietary) Limited Director • Retired | 28 Jun 2018←2 Months→22 Sep 2018 | Active | |
| Yorkshire Gliding Club (Proprietary) Limited Director • Retired | 28 Apr 2012←6 Years→28 Apr 2018 | Active | |
Chris Thirkell Consulting Limited Director • Director | 15 Sep 2011←7 Years→2 Apr 2019 | Dissolved | |
