| Company | Timeline | Status | |
| St Mary's Courtyard Management Company Limited Director • Managing Director | 4 Jul 2024←1 Year 4 Months→Current | Active | |
| Kerr Office Supplies Limited Director • Director | 23 Jun 2008←17 Years→Current | Active | |
| Kerr Enterprise Holdings Limited Director • Director | 20 Jun 2008←17 Years→Current | Active | |
| Kerr Office Group Limited Director • Salesman | 11 May 2000←25 Years→Current | Active | |
