| Company | Timeline | Status | |
| Key GS (Engineering Design) Ltd Director • Chartered Engineer | 24 Jun 2025←4 Months→Current | Active | |
| Red Rock Geoscience Limited Director • Chartered Engineer | 24 Jun 2025←4 Months→Current | Active | |
| Key Geosolutions Ltd Director • Chartered Engineer | 24 Jun 2025←4 Months→Current | Active | |
| Richter Associates (Bedford) Limited Director • Director | 12 Mar 2024←1 Year 7 Months→Current | Liquidation | |
| Richter Associates (Bedford) Limited Director • Director | 12 Mar 2024←8 Months→21 Nov 2024 | Liquidation | |
