| Company | Timeline | Status | |
| Klein Bros. Holdings (Brighton) Limited Director • Director | 16 May 2024←1 Year 7 Months→Current | Active | |
| Klein Bros. Holdings (Canonbury) Limited Director • Director | 14 May 2024←1 Year 7 Months→Current | Active | |
| Klein Bros. Holdings (Alexandra) Limited Director • Unreported | 14 May 2024←1 Year 7 Months→Current | Active | |
| Klein Bros. (Alexandra) Limited Director • Unreported | 28 Nov 2022←3 Years→Current | Active | |
| Klein Bros. (Canonbury) Limited Director • Director | 28 Apr 2021←4 Years→Current | Active | |
| Klein Bros. (Holdings) Limited Director • Director | 19 Oct 2020←5 Years→21 Nov 2025 | Dissolved | |
| Research And Development Management Association (Radma) Director • Consultant | 1 Nov 2013←12 Years→Current | Active | |
| Technologia Ltd Director • Consultant | 23 Dec 2008←16 Years→Current | Active | |
| Klein Bros. (Investments) Limited Director • Business Consultant | 30 Mar 1991←34 Years→Current | Active | |
