| Company | Timeline | Status | |
| Sonic Solutions (Cleaning & Chemicals) Ltd Director • Director | 9 Feb 1999←7 Years→30 Jun 2006 | Dissolved | |
| Blanchfield & Co. Limited Director • Director | 18 Dec 1992←33 Years→Current | Active | |
| Blanchfield & Co. Limited Director • Unreported | 1 Jan 1970←56 Years→Current | Active | |
