| Novum Limited | Private company limited by shares | Live |
| NOVUM CLEANING COMPANY LIMITED | Private company limited by shares | Dissolved |
| PRE-SCHOOL HABITAT (NOVUM EAST) CO. LIMITED | Private company limited by shares | Live |
| Novum Engineering Company Limited | Private company limited by shares | Live |
| Novum Group Limited | | Live |
| NOVUM PHARMA LIMITED | Private company limited by shares | Live |
| NovumC Consulting Limited | Private company limited by shares | Live |
| NovuMedical Co., Limited | Private company limited by shares | Live |
| NovuMind HK Limited | Private company limited by shares | Live |
| NOVUS LIMITED | Private company limited by shares | Live |
| Novus Asia Limited | Private company limited by shares | Live |
| Novus Capitulum Limited | Private company limited by shares | Live |
| EMCO NOVUS INTERNATIONAL LIMITED | Private company limited by shares | Live |
| GRAND NOVUS LIMITED | | Live |
| NOVUS HEALTHCARE LIMITED | Private company limited by shares | Live |
| Novus Holding Company Limited | Private company limited by shares | Live |
| Novus Innovation Limited | Private company limited by shares | Live |
| NOVUS PENETRALIS LIMITED | Private company limited by shares | Live |
| Novus Pledge Limited | Private company limited by shares | Live |
| NOVUS RESOURCES LIMITED | | Live |
| Novus Satus Limited | | Live |
| Novus Sports Limited | Private company limited by shares | Live |
| NovusBuild Design & Contracting Company Limited | | Live |
| NovusData International Limited | Private company limited by shares | Dissolved |
| NOVUSWATER HOLDING LIMITED | Private company limited by shares | Live |