| Company | Timeline | Status | |
| Celtek Calibration Limited Director • Director | 15 Jul 2025←3 Months→Current | Active | |
| Celtek Systems Limited Director • Repairing Electrical Equipment | 10 Apr 2016←9 Years→Current | Active | |
| Cal-Com Systems Limited Director • Director | 29 Jun 2015←10 Years→Current | Active | |
| Precise Calibration Services Ltd Director • Electronic Engineer | 30 May 2003←22 Years→Current | Active | |
