| GOLD HORIZON ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| GOLD HORIZON INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| GOLD HORIZON INVESTMENTS LIMITED | Private company limited by shares | Live |
| GRAND HORIZON LIMITED | Private company limited by shares | Live |
| GRANT HORIZON LIMITED | Private company limited by shares | Live |
| HAPPY HORIZON LIMITED | Private company limited by shares | Live |
| Harbour Horizon Limited | Private company limited by shares | Live |
| Horizon Healthcare Limited | | Live |
| HORIZON HOLIDAYS LIMITED | Private company limited by shares | Live |
| Horizon Hybrid Venture Capital Investment (HK) Limited | Private company limited by shares | Live |
| Horizon Innovation Limited | | Live |
| Horizon Innovations Limited | Private company limited by shares | Live |
| Horizon Innovations Limited | Private company limited by shares | Live |
| LEARNING HORIZON LIMITED | Private company limited by shares | Dissolved |
| Horizon Levelling Company Limited | Private company limited by shares | Live |
| LIQUID HORIZON LIMITED | Private company limited by shares | Dissolved |
| Lost Horizon Limited | Private company limited by shares | Live |
| Horizon Manpower Limited | | Live |
| HORIZON MARK LIMITED | Private company limited by shares | Live |
| METRO HORIZON LIMITED | Private company limited by shares | Live |
| Horizon Moon Limited | Private company limited by shares | Live |
| NATION HORIZON LIMITED | Private company limited by shares | Live |
| NATION HORIZON LIMITED | Private company limited by shares | Live |
| NEXT HORIZON COMPANY LIMITED | Private company limited by shares | Live |
| Next Horizon HK Limited | Private company limited by shares | Live |
| NORTHERN HORIZON LIMITED | Private company limited by shares | Dissolved |
| Nova Horizon Limited | | Live |
| OCEAN HORIZON LIMITED | Private company limited by shares | Dissolved |
| Ocean Horizon Limited | Private company limited by shares | Live |
| PACIFIC HORIZON LIMITED | Private company limited by shares | Dissolved |
| PACIFIC HORIZON LIMITED | Private company limited by shares | Live |
| Pacific Bay Horizon Limited | Private company limited by shares | Live |
| PHOENIX HORIZON LIMITED | Private company limited by shares | Dissolved |
| Horizon Point Limited | Private company limited by shares | Live |
| POWER HORIZON INVESTMENTS LIMITED | Private company limited by shares | Live |
| RESEARCH HORIZON LIMITED | Private company limited by shares | Dissolved |
| RICH HORIZON LIMITED | Private company limited by shares | Live |
| RICH HORIZON LIMITED | | Live |
| RICH HORIZON INVESTMENTS LIMITED | Private company limited by shares | Live |
| RICH HORIZON (SSP) LIMITED | Private company limited by shares | Live |
| SMART HORIZON LIMITED | Private company limited by shares | Live |
| Smart Horizon Holding Limited | Private company limited by shares | Live |
| SOUTH HORIZON LIMITED | Private company limited by shares | Live |
| SOUTH HORIZON INC LIMITED | Private company limited by shares | Live |
| SOUTH HORIZON ENTERPRISES LIMITED | Private company limited by shares | Live |
| SOUTH HORIZON INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| HORIZON STAGE LIMITED | Private company limited by shares | Live |
| SUCCESS HORIZON LIMITED | Private company limited by shares | Live |
| SUNLIT HORIZON LIMITED | Private company limited by shares | Live |
| SUNRISE HORIZON LIMITED | Private company limited by shares | Live |
| SUNRISE HORIZON LIMITED | Private company limited by shares | Live |
| THEATRE HORIZON COMPANY LIMITED | Private company limited by shares | Dissolved |
| THIRD HORIZON LIMITED | Private company limited by shares | Dissolved |
| Horizon Trade Limited | | Live |
| VAST HORIZON COMPANY LIMITED | Private company limited by shares | Dissolved |
| HORIZON VIEW LIMITED | Private company limited by shares | Dissolved |
| VIEW HORIZON LIMITED | Private company limited by shares | Live |
| VISION HORIZON LIMITED | Private company limited by shares | Dissolved |
| WINNING HORIZON LIMITED | Private company limited by shares | Live |
| Wiseman's Horizon Limited | Private company limited by shares | Live |
| Horizon2030 Limited | Private company limited by shares | Live |
| HORIZON.COM LIMITED | Private company limited by shares | Dissolved |
| HORIZON-DOBSON LIMITED | Private company limited by shares | Live |
| Top Horizone Limited | Private company limited by shares | Live |
| HORIZONIC LIMITED | Private company limited by shares | Live |
| HORIZONIC DEVELOPMENTS LIMITED | Private company limited by shares | Dissolved |
| Horizonmobi Limited | Private company limited by shares | Live |
| HorizonNet HK Limited | Private company limited by shares | Live |
| PAN HORIZONS LIMITED | Private company limited by shares | Dissolved |
| NEW HORIZONS LIMITED | Private company limited by shares | Dissolved |
| HORIZONS LIMITED | Private company limited by shares | Dissolved |
| NEW HORIZONS LIMITED | Private company limited by shares | Dissolved |
| HORIZONS LIMITED | Private company limited by shares | Live |
| Dms horizons Limited | Private company limited by shares | Live |
| New Horizons Limited | Private company limited by shares | Live |
| SG HORIZONS LIMITED | Private company limited by shares | Live |
| TEA HORIZONS LIMITED | Private company limited by shares | Live |
| New Horizons Academy Limited | | Live |
| L. Horizons Advisory Limited | | Live |
| HORIZONS CORPORATE ADVISORY HOLDING LIMITED | Private company limited by shares | Live |
| Alter Horizons Limited | | Live |
| NEW AMERICAN HORIZONS CO., LIMITED | Private company limited by shares | Live |
| AMERICAN HORIZONS FAR EAST LIMITED | Private company limited by shares | Dissolved |
| NEW HORIZONS ASIA LIMITED | Private company limited by shares | Dissolved |
| Aspen Horizons Holding Limited | Private company limited by shares | Live |
| HORIZONS AUTOMOBILE SERVICES LIMITED | Private company limited by shares | Live |
| SOUTH HORIZONS BAPTIST CHURCH LIMITED | Company limited by guarantee | Live |
| HORIZONS BIOCHEMICAL PRODUCTS CO. LIMITED | Private company limited by shares | Dissolved |
| BRIGHT HORIZONS LIMITED | Private company limited by shares | Live |
| BRIGHT HORIZONS TRADING INVESTMENT LIMITED | Private company limited by shares | Live |
| Brighter Horizons Limited | | Live |
| BROADEN HORIZONS LIMITED | Private company limited by shares | Live |
| SM BUSINESS HORIZONS LIMITED | Private company limited by shares | Dissolved |
| Horizons Capital Limited | Private company limited by shares | Live |
| New Horizons Capital Limited | Private company limited by shares | Live |
| TIL Horizons Capital Limited | Private company limited by shares | Live |
| FAR HORIZONS (CHINA) LIMITED | Private company limited by shares | Live |
| Horizons China Limited | Private company limited by shares | Live |
| SSG CHINA HORIZONS LIMITED | Private company limited by shares | Live |
| HORIZONS ENTERPRISE (CHINA) COMPANY LIMITED | Private company limited by shares | Live |