| Company | Timeline | Status | |
| JHK Npi Ltd Director • Director | 18 Jun 2025←4 Months→Current | Active | |
| JHK RGRI Ltd Director • Director | 29 Apr 2025←6 Months→Current | Active | |
| John H King Holding Co Ltd Director • Director | 29 Apr 2025←6 Months→Current | Active | |
| JHK Sheaf Street Ltd Director • Director | 18 Mar 2025←7 Months→Current | Active | |
| SPMT Investments Limited Director • Director | 18 Mar 2025←7 Months→Current | Active | |
| JHK Cpi Ltd Director • Director | 18 Mar 2025←7 Months→Current | Active | |
| JHK Devonshire Ltd Director • Chartered Surveyor | 23 Sep 2024←1 Year 1 Month→Current | Active | |
