| ALTIA SOLUTIONS CO., LIMITED | Private company limited by shares | Live |
| ALTIC INDUSTRIAL LIMITED | Private company limited by shares | Live |
| ALTICA LIMITED | Private company limited by shares | Live |
| ALTICE LIMITED | Private company limited by shares | Live |
| ALTICOSMIC LIMITED | Private company limited by shares | Dissolved |
| Altid Limited | Private company limited by shares | Live |
| ALTIDE LIMITED | Private company limited by shares | Live |
| ALTILA INTERNATIONAL H.K LIMITED | Private company limited by shares | Dissolved |
| Altima Company Limited | Private company limited by shares | Live |
| ALTIMATE SOFTWARE LIMITED | Private company limited by shares | Dissolved |
| ALTIMATE DIGITAL TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| ALTIMATE INFORMATION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| ALTIMATE TECHNOLOGY INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| ALTIMODE LIMITED | Private company limited by shares | Dissolved |
| Altimus Capital Limited | | Live |
| Altimus Group Limited -The- | Private company limited by shares | Live |
| Altimus Investment Limited | | Live |
| ALTIMUS TRADE LIMITED | Private company limited by shares | Live |
| ALTIN LIMITED | Private company limited by shares | Live |
| AZ AR BAY ALTIN LIMITED | Private company limited by shares | Dissolved |
| ALTING LIMITED | Private company limited by shares | Live |
| ALTININ CO., LIMITED | | Live |
| Altinko Agro S.L. LIMITED | | Live |
| ALTINTOP BROTHER LIMITED | Private company limited by shares | Dissolved |
| ALTIORA LIMITED | Private company limited by shares | Live |
| ALTIP LIMITED | Private company limited by shares | Dissolved |
| ALTIPLANNING LIMITED | Private company limited by shares | Live |
| Altiplano Limited | Private company limited by shares | Live |
| Altiplano Aerospace Systems Company Limited | Private company limited by shares | Dissolved |
| Alti-Potion Technology Limited | Private company limited by shares | Live |
| ALTIS COMPANY LIMITED | Private company limited by shares | Dissolved |
| Altis Zenus Brands Limited | Private company limited by shares | Live |
| ALTIS DESIGNS LIMITED | Private company limited by shares | Dissolved |
| Altis Research & Development Limited | Private company limited by shares | Live |
| Altis Zenus Distributions Limited | Private company limited by shares | Live |
| Altis Technology (Hong Kong) Limited | Private company limited by shares | Live |
| ALTIS LIFTBOAT COMPANY LIMITED | Private company limited by shares | Live |
| Altis Partners (Asia) Limited | Private company limited by shares | Dissolved |
| Altis Zenus Limited | Private company limited by shares | Live |
| ALTISAFE LIMITED | Private company limited by shares | Live |
| ALTISSIMA LIMITED | Private company limited by shares | Live |
| ALTITECH LIMITED | Private company limited by shares | Live |
| LMK ALTITUDE LIMITED | Private company limited by shares | Live |
| Red Altitude Limited | Private company limited by shares | Live |
| Altitude Limited | Private company limited by shares | Live |
| ALTITUDE JET LIMITED | | Live |
| ALTITUDE and APTITUDE LIMITED | Private company limited by shares | Live |
| ALTITUDE CAPITAL LIMITED | Private company limited by shares | Live |
| ALTITUDE CONSTRUCTION & ENGINEERING LIMITED | | Live |
| Altitude Consulting Limited | Private company limited by shares | Live |
| EDTITIONS ALTITUDE Limited | Private company limited by shares | Live |
| ALTITUDE EDUCATION LIMITED | Private company limited by shares | Live |
| Altitude Entertainment Limited | Private company limited by shares | Live |
| Altitude Group Limited | Private company limited by shares | Live |
| ALTITUDE CONSULTING GROUP LIMITED | Private company limited by shares | Live |
| CHINA HIGH ALTITUDE WIND ENERGY TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| Altitude Holding Limited | Private company limited by shares | Live |
| Altitude Investments Limited | Private company limited by shares | Live |
| ALTITUDE SOFTWARE (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| ALTITUDE TRADING COMPANY LIMITED | Private company limited by shares | Live |
| HK Altitude Trading Limited | | Live |
| Altitude22 Limited | Private company limited by shares | Live |
| ALTIUM ASIA PACIFIC LIMITED | Private company limited by shares | Dissolved |
| ALTIUS HK LIMITED | Private company limited by shares | Live |
| Altius Dragon Limited | Company limited by guarantee | Live |
| Altius Investment Limited | Private company limited by shares | Live |
| Altius Sports Limited | Private company limited by shares | Live |
| Altive Limited | Private company limited by shares | Live |
| ALTIVISION LIMITED | Private company limited by shares | Live |
| Altixsource Limited | | Live |
| ALTIZEN (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| Altizima Limited | Private company limited by shares | Live |