| Company | Timeline | Status | |
| AH (Environmental) Ltd Director • Engineer | 10 Sep 2011←14 Years→Current | Active | |
| Bellshelf Ah Limited Director • Engineer | 10 Sep 2011←14 Years→Current | Active | |
| AH (Civil & Structural) Limited Director • Engineer | 10 Sep 2011←14 Years→Current | Active | |
| Ah Maritime Limited Director • Engineer | 10 Sep 2011←14 Years→Current | Active | |
| ARCH Henderson Limited Liability Partnership Designated LLP Member • Unreported | 1 Apr 2003←22 Years→Current | Active | |
| ARCH Henderson Limited Liability Partnership Designated LLP Member • Unreported | 1 Apr 2003←21 Years→4 Mar 2025 | Active | |
