| ON HARVEST TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| Harvest Technologies Limited | Private company limited by shares | Live |
| New Harvest Technologies Limited | Private company limited by shares | Live |
| HARVEST CHOICE TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| GOLD HARVEST TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| HARVEST VIEW TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| Hashrate Server Technologies Limited | Private company limited by shares | Live |
| Hatter Technologies Limited | Private company limited by shares | Live |
| HAWC TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| HAWK EYE TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| RED HAWK TECHNOLOGIES CO., LIMITED | Private company limited by shares | Live |
| HAYTON TECHNOLOGIES CO., LIMITED | Private company limited by shares | Live |
| HAZELAKEN TECHNOLOGIES LIMITED | Private company limited by shares | Live Commenced dormancy on 27-Jan-2014 |
| H-CREATE TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| Headout Technologies Private Limited | Private company limited by shares | Live |
| HEADWAY TECHNOLOGIES COMPANY LIMITED | Private company limited by shares | Dissolved |
| NEW HEALTH TECHNOLOGIES JV COMPANY LIMITED | Private company limited by shares | Live |
| PSG Health Technologies HK, Limited | Private company limited by shares | Live |
| Health Technologies Limited | Private company limited by shares | Live |
| HEALTH ASIA TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| EYON HEALTH TECHNOLOGIES LIMITED | | Live |
| Health Genesis Technologies Limited | | Live |
| Health Technologies Hong Kong Limited | Private company limited by shares | Live |
| PRECISION HEALTH TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| AI HEALTHCARE TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| HEALTHLINE TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| HealthMatrix Technologies Limited | Private company limited by shares | Live |
| Healy Technologies Limited | Private company limited by shares | Live |
| HEARTSOME TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| AXEN HEATING TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| HK Axen Heating Technologies Limited | Private company limited by shares | Live |
| HEBE TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| HEBO TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| EASTERN HELI TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| HELIX TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| Hello Technologies Limited | Private company limited by shares | Live |
| HELPTEC TECHNOLOGIES PRIVATE LIMITED | | Live |
| HengRui Nano Technologies Company Limited | Private company limited by shares | Live |
| HENGXIN TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| HENTECH TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| HENZER TECHNOLOGIES HK LIMITED | Private company limited by shares | Live |
| Hephaestus Technologies Limited | | Live |
| HERACLE TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| ADVANCED HERO TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| DIGITAL HERO TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| HERO GLORY TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| HEXACO TECHNOLOGIES & ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Hexaware Technologies Hong Kong Limited | Private company limited by shares | Live |
| HexCode Technologies Limited | Private company limited by shares | Live |
| HEXIN TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| HeyDr Technologies Limited | Private company limited by shares | Live |
| HICHEM TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| HIFLY TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| HIFLY TECHNOLOGIES LIMITED | | Live |
| HIGHLAND TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| New Highland Technologies Limited | Private company limited by shares | Live |
| Highlink Technologies Limited | Private company limited by shares | Live |
| HIGHPOINT TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| Highserve Technologies Limited | | Live |
| HIGHWAY TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| Hikari Technologies Limited | Private company limited by shares | Live |
| Hillcrest Technologies Limited | | Live |
| HUA HING TECHNOLOGIES COMPANY LIMITED | Private company limited by shares | Dissolved |
| LEE HING TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| Hing Technologies Co. Limited | Private company limited by shares | Live |
| CHUNG HING TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| KAM HING TECHNOLOGIES ENGINEERING LIMITED | Private company limited by shares | Live |
| Hua Hing Technologies Industry Company Limited | Private company limited by shares | Live |
| HINWAY TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| HIPPODROME TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| HIPPOO TECHNOLOGIES COMPANY LIMITED | Private company limited by shares | Live |
| HIPSON TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| Hi-Shock Innovative 3D Technologies Limited | Private company limited by shares | Live |
| HiSyte Technologies Limited | Private company limited by shares | Live |
| HI-TECH TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| HiTek3 Technologies Limited | Private company limited by shares | Live |
| HITMoon Technologies HK Limited | Private company limited by shares | Live |
| HIVISION TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| AAT - Advanced Aquarium Technologies (HK1) Limited | Private company limited by shares | Live |
| HKSG AMS TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| HODGSON TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| HODSON TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| 365 TECHNOLOGIES HOLDING LIMITED | Private company limited by shares | Live |
| COMING TECHNOLOGIES (HOLDING) LIMITED | Private company limited by shares | Dissolved |
| EASTRACK TECHNOLOGIES HOLDING CO. LIMITED | Private company limited by shares | Live |
| HOPE TECHNOLOGIES HOLDING LIMITED | Private company limited by shares | Dissolved |
| LEDDER DYNASTY TECHNOLOGIES HOLDING LIMITED | Private company limited by shares | Live |
| STFI TECHNOLOGIES HOLDING COMPANY LIMITED | Private company limited by shares | Dissolved |
| WISDOM TECHNOLOGIES HOLDING LIMITED | Private company limited by shares | Live |
| Xinzhu Technologies Holding Co. Limited | Private company limited by shares | Live |
| ZIDA TECHNOLOGIES HOLDING LIMITED | Private company limited by shares | Dissolved |
| Holiday Technologies Limited | Private company limited by shares | Live |
| HoloRFID Technologies Company Limited | Private company limited by shares | Live |
| HOMEGUARD TECHNOLOGIES LIMITED | | Live |
| HomeStory Technologies Limited | | Live |
| NEW HONEST TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| TOP HONEST TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| HONEST JOY TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| HONESTAR TECHNOLOGIES COMPANY LIMITED | Private company limited by shares | Live |
| AT ADVANCED TECHNOLOGIES HONG KONG LIMITED | Private company limited by shares | Live |