| Harmoni Limited | Private company limited by shares | Dissolved |
| HARMONI FURNITURE LIMITED | Private company limited by shares | Dissolved |
| Harmonia Limited | Private company limited by shares | Dissolved |
| Harmonia HK Limited | Private company limited by shares | Live |
| New Harmonia Company Limited | | Live |
| HARMONIC LIMITED | Private company limited by shares | Live |
| JJ HARMONIC LIMITED | Private company limited by shares | Live |
| NEW HARMONIC LIMITED | | Live |
| HARMONIC ENTERPRISES LIMITED | Private company limited by shares | Live |
| Harmonic Higgs Limited | Private company limited by shares | Live |
| MEGA HARMONIC ENTERTAINMENT LIMITED | Private company limited by shares | Dissolved |
| HARMONIC PACIFIC COMPANY LIMITED | Private company limited by shares | Live |
| Harmonic Paradise Limited | Private company limited by shares | Live |
| POWER HARMONIC LIMITED | Private company limited by shares | Live |
| HARMONIC SCENE LIMITED | Private company limited by shares | Live |
| HARMONIC OCEAN SHIPPING LIMITED | Private company limited by shares | Live |
| HARMONIC THEATRE COMPANY LIMITED | Company limited by guarantee | Live |
| Harmonic Victory Limited | Private company limited by shares | Live |
| HARMONICA COMPANY LIMITED | Private company limited by shares | Dissolved |
| Harmonica Limited | | Live |
| MUSAPHONE HARMONICA COMPANY LIMITED | Private company limited by shares | Live |
| CHEERUP ROUND HARMONICA COMPANY LIMITED | Private company limited by shares | Dissolved |
| HARMONICE ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| HARMONIE LIMITED | Private company limited by shares | Dissolved |
| GP HARMONIE LIMITED | Private company limited by shares | Dissolved |
| HARMONIE LIMITED | Private company limited by shares | Live |
| ME Harmonie Company Limited | Private company limited by shares | Live |
| HARMONIE LIMITED | | Live |
| Harmonie CPA Limited | | Live |
| HARMONIE ACCESSORIES CO., LIMITED | Private company limited by shares | Live |
| HARMONIE DESIGN LIMITED | Private company limited by shares | Dissolved |
| HARMONIE GROUP LIMITED | Private company limited by shares | Live |
| Harmonie Music HK Limited | | Live |
| HARMONIE HARP MUSIC & ART CENTRE LIMITED | Private company limited by shares | Live |
| HARMONIE TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Six Harmonies Limited | | Live |
| Harmonigain Trading Co, Limited | Private company limited by shares | Dissolved |
| HARMONIOUS SUN LIMITED | Private company limited by shares | Dissolved |
| HARMONIOUS LIMITED | Private company limited by shares | Live |
| HARMONIOUS SKY LIMITED | Private company limited by shares | Live |
| Harmonious Win Limited | Private company limited by shares | Live |
| CHINA HARMONIOUS LIMITED | Private company limited by shares | Live |
| HARMONIOUS (CHINA) LIMITED | Private company limited by shares | Live |
| Harmonious People Co., Limited | Private company limited by shares | Live |
| Harmonious Success Co., Limited | Private company limited by shares | Live |
| HARMONIOUS TRADE CO., LIMITED | Private company limited by shares | Live |
| Harmonious Cooperation Limited | Private company limited by shares | Live |
| HARMONIOUS ENTERPRISES LIMITED | Private company limited by shares | Live |
| Harmonious Entertainment Limited | Private company limited by shares | Live |
| Harmonious Families Limited | Company limited by guarantee | Live |
| HARMONIOUS FINANCE & INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| HARMONIOUS FIVE RESTAURANT LIMITED | Private company limited by shares | Dissolved |
| HARMONIOUS T. GROUP LIMITED | Private company limited by shares | Live |
| H. K. HARMONIOUS INVESTMENT GROUP LIMITED | Private company limited by shares | Live |
| HARMONIOUS HONOR RESOURCES LIMITED | Private company limited by shares | Live |
| Harmonious Investment Limited | Private company limited by shares | Live |
| HARMONIOUS LIGHTING LIMITED | Private company limited by shares | Live |
| HARMONIOUS LIGHTINGS LIMITED | | Live |
| HARMONIOUS PEACE LIMITED | Private company limited by shares | Live |
| HARMONIOUS PROPERTIES LIMITED | Private company limited by shares | Live |
| Pure Harmonious Limited | | Live |
| Harmonious Splendor Limited | Private company limited by shares | Live |
| HARMONIOUS STUDIO LIMITED | Private company limited by shares | Live |
| SIX HARMONIOUS TECHNOLOGY CO LIMITED | Private company limited by shares | Live |
| HARMONIOUS TEMPLE COMPANY LIMITED | | Live |
| HARMONIOUS TIME LIMITED | Private company limited by shares | Live Commenced dormancy on 18-Mar-2016 |
| HARMONIOUS TRADING LIMITED | Private company limited by shares | Dissolved |
| HARMONIOUS TRADING LIMITED | Private company limited by shares | Live |
| HARMONIOUSTECH LIMITED | Private company limited by shares | Live |
| HARMONIQUE LIMITED | Private company limited by shares | Dissolved |
| Harmonise Company Limited | Private company limited by shares | Live |
| HARMONISSENCE LIMITED | Private company limited by shares | Live |
| HARMONIT INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Harmonium Company Limited | Private company limited by shares | Live |
| HARMONIUM CAPITAL LIMITED | Private company limited by shares | Live |
| HARMONIZE DEVELOPMENT LIMITED | Private company limited by shares | Live |
| HARMONIZE ENTERPRISES LIMITED | Private company limited by shares | Live |
| Harmonize Golf Management Limited | Private company limited by shares | Live |
| HARMONIZED DEVELOPMENTS LIMITED | Private company limited by shares | Dissolved |
| HARMONIZED INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| HARMONIZE.HK. COMPANY LIMITED | Private company limited by shares | Live |