| Company | Timeline | Status | |
| Digital Science UK Limited Director • Company Director | 30 Apr 2024←1 Year 5 Months→Current | Active | |
| Digital Science & Research Solutions INC Director • Company Director | 9 Feb 2018←7 Years→Current | Active | |
| Altmetric 2015 Limited Director • Company Director | 15 Mar 2016←9 Years→Current | Active | |
| Digital Science & Research Solutions Limited Director • Managing Director | 3 Feb 2016←9 Years→Current | Active | |
| Holtzbrinck Science & Technology Limited Director • Company Director | 29 Jul 2015←4 Years→22 May 2020 | Active | |
| Symplectic Limited Director • Programmer | 26 Feb 2003←18 Years→8 Apr 2021 | Dissolved | |
| Symplectic Limited Secretary • Unreported | 26 Feb 2003←8 Years→8 Dec 2011 | Dissolved | |
| Phaeton Enterprises Limited Director • Company Director | 4 Jul 2002←23 Years→Current | Active | |
