| Company | Timeline | Status | |
| Acaster Lake Management Limited Director • Managing Director | 5 Jun 2011←6 Years→1 Aug 2017 | Active | |
| BSC Filters Limited Director • Managing Director | 1 Aug 2001←18 Years→7 Jul 2020 | Active | |
| BSC Filters Limited Secretary • Unreported | 4 Jun 2001←3 Years→28 Jan 2005 | Active | |
