| BIRCH COMPANY LIMITED | Private company limited by shares | Dissolved |
| BIRCH JOY LIMITED | Private company limited by shares | Dissolved |
| BIRCH LIMITED | Private company limited by shares | Dissolved |
| BIRCH 4A Limited | Private company limited by shares | Live |
| NEW BIRCH LIMITED | Private company limited by shares | Live |
| Sky and Birch Limited | | Live |
| BRIGHTON BIRCH LIMITED | Private company limited by shares | Live |
| CENTRE BIRCH LIMITED | Private company limited by shares | Live |
| CLASSIC BIRCH LIMITED | Private company limited by shares | Dissolved |
| DRAGON BIRCH LIMITED | Private company limited by shares | Live |
| FLOURISHING BIRCH ENTERPRISE COMPANY LIMITED | Private company limited by shares | Dissolved |
| GRAND BIRCH LIMITED | Private company limited by shares | Live |
| WISDOM BIRCH LIMITED | Private company limited by shares | Live |
| BIRCHCHEM LIMITED | Private company limited by shares | Live |
| BIRCHCROFT LIMITED | Private company limited by shares | Dissolved |
| HONG KONG BIRCHEN DEVELOPMENT LIMITED | | Live |
| BIRCHFALL LIMITED | Private company limited by shares | Dissolved |
| BIRCHFIELD LIMITED | Private company limited by shares | Dissolved |
| BIRCHFIELD CRAFTS LIMITED | Private company limited by shares | Dissolved |
| BIRCHFIELD INVESTMENTS LIMITED | Private company limited by shares | Live |
| Birchford Technologies Hong Kong Limited | Private company limited by shares | Live |
| BIRCHGLADE LIMITED | Private company limited by shares | Dissolved |
| BIRCHGROVE LIMITED | Private company limited by shares | Dissolved |
| BIRCHLAND LIMITED | Private company limited by shares | Live |
| CHINA BIRCHLAND INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| BIRCHLAND INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| BIRCHMAX COMPANY LIMITED | Private company limited by shares | Dissolved |
| BIRCHMONT LIMITED | Private company limited by shares | Dissolved |
| BIRCHMOUNT COMPANY LIMITED | Private company limited by shares | Live |
| BIRCHSHP Company Limited | | Live |
| BIRCHSTONE COMPANY LIMITED | Private company limited by shares | Live |
| BIRCHVIEW LIMITED | Private company limited by shares | Dissolved |
| BIRCHWOOD COMPANY LIMITED | Private company limited by shares | Dissolved |
| Birchwood Capital Limited | Private company limited by shares | Live |
| BIRCHWOOD ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| BIRCHWOOD FINANCE LIMITED | Private company limited by shares | Dissolved |
| BIRCHWOOD SHIPPING LIMITED | Private company limited by shares | Dissolved |
| BIRCHY LIMITED | Private company limited by shares | Dissolved |