| Company | Timeline | Status | |
| Ringdale Deutschland Limited Director • Unreported | 29 Jan 2007←18 Years→Current | Active | |
| Ringdale Instruments Limited Director • Unreported | 22 May 1998←27 Years→Current | Active | |
| Ringdale Instruments Limited Secretary • Director | 22 May 1998←27 Years→Current | Active | |
| Ringdale Deutschland Limited Secretary • Director | 6 Nov 1997←9 Years→29 Jan 2007 | Active | |
| Dataline Software Limited Secretary • Unreported | 6 Nov 1997←4 Months→1 Apr 1998 | Active | |
| Maxisearch Limited Secretary • Unreported | 13 Aug 1997←1 Year 2 Months→10 Nov 1998 | Active | |
| PC Card Technology Plc Secretary • Director | 23 May 1997←28 Years→Current | Active | |
| Ringdale UK Limited Secretary • Director | 1 Nov 1996←29 Years→Current | Active | |
| Ringdale Technology Limited Secretary • Director | 1 Nov 1996←29 Years→Current | Active | |
| Nextus Limited Secretary • Director | 25 Oct 1996←29 Years→Current | Active | |
