| H & M Hennes & Mauritz Limited | Private company limited by shares | Live |
| H&M HENNES & MAURITZ UK LIMITED | Private company limited by shares | Live |
| H & M Hennes & Mauritz Holding Asia Limited | Private company limited by shares | Live |
| HENNESON LIMITED | Private company limited by shares | Dissolved |
| HENNESON LIMITED | Private company limited by shares | Dissolved |
| HENNESON LIMITED | Private company limited by shares | Live |
| HENNESON ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| HENNESS LIMITED | Private company limited by shares | Live |
| Hennessey & Co. Limited | Private company limited by shares | Live |
| Ray Hennessey Limited | Private company limited by shares | Live |
| 99 HENNESSY LIMITED | Private company limited by shares | Dissolved |
| HENNESSY LIMITED | Private company limited by shares | Live |
| HENNESSY ASIA LIMITED | Private company limited by shares | Dissolved |
| HENNESSY ASSET LIMITED | Private company limited by shares | Live |
| HENNESSY CAPITAL LIMITED | Private company limited by shares | Live |
| HENNESSY CREATIVE LIMITED | Private company limited by shares | Live |
| HENNESSY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| HENNESSY INVESTMENTS LIMITED | Private company limited by shares | Live |
| HENNESSY & O'BRIAN LIMITED | Private company limited by shares | Dissolved |