| HKSIGN 2191169 · TMA1233791 | HAOKANG ELECTRIC SIGN CO. LIMITED | 9 Electronics | Registered | 2024 |
| HYQUASCAN 2127629 · TMA1208534 | GE Healthcare Limited | 5 Pharmaceuticals | Registered | 2023 |
| HEXAXIM 1943827 · TMA1083910 | an individual | 5 Pharmaceuticals | Registered | 2020 |
| HEXAGON 1902966 · TMA1157662 · design | an individual | 4 Oils6 Metal9 Electronics+8 | Registered | 2022 |
| HEXAGON 1902965 · TMA1157661 | an individual | 4 Oils6 Metal9 Electronics+8 | Registered | 2022 |
| housesimple 1807722 · TMA1008614 | Housesimple Limited | 36 Finance | Registered | 2018 |
| HEXASSANT 1769057 · TMA1050889 | 2168587 Ontario Ltd | 30 Coffee | Registered | 2019 |
| HAKKASAN 1723519 · TMA1018700 | Hakkasan Limited | 43 Restaurants | Registered | 2019 |
| HAKKASAN 1709678 · TMA1016755 | Hakkasan Limited | 41 Education43 Restaurants | Registered | 2019 |
| HAKKAISAN 1654902 · TMA914372 | HAKKAISAN BREWERY CO. LTD. a legal entity | 33 Wine | Registered | 2015 |
| hsaComplete 1652723 · TMA955999 | Green Shield Administration Inc. | 36 Finance | Registered | 2016 |
| HEXOSKIN 1558473 · TMA899228 | Carré Technologies Inc. | 9 Electronics10 Medical14 Jewellery+4 | Registered | 2015 |
| HEXAGON 1553197 · TMA874267 · design | an individual | 6 Metal7 Machines9 Electronics+6 | Registered | 2014 |
| HEXAGON 1383656 · TMA804879 | Qualcomm Incorporated | 9 Electronics | Registered | 2011 |
| HUGHESNET 1310957 · TMA728160 · design | Hughes Network Systems LLC | 9 Electronics38 Telecommunications | Registered | 2008 |
| HEXAGON 0991195 · NFLD1195 | HEXAGON SEWING MACHINE COMPANY, LIMITED | 7 Machines | Registered | 1923 |
| HEXAGON 0991194 · NFLD1194 · design | HEXAGON SEWING MACHINE COMPANY, LIMITED | 7 Machines | Registered | 1923 |
| HEXACOMB 0740780 · TMA439238 · design | HEXACOMB CORPORATION. (AN ILLINOIS CORPORATION) | 16 Paper17 Rubber19 Building+1 | Registered | 1995 |
| HAGESAN 0671702 · TMA408703 | an individual | 2 Paints3 Cosmetics4 Oils | Registered | 1993 |
| HEXAGON 0539329 · TMA320065 | HSBC GROUP MANAGEMENT SERVICES LIMITED | 36 Finance | Registered | 1986 |
| HEXAGONA 2327441 | HEXAGONA | 18 Leather | Pending | 2024 |
| HAZACAM 2321657 · design | Shenzhen Aobo en Technology Co. Ltd. | 9 Electronics | Pending | 2024 |
| HyCOsyn 2207185 | JOHNSON MATTHEY DAVY TECHNOLOGIES LIMITED | 40 Treatment42 Science45 Legal | Pending | 2022 |
| HyCOgen 2186991 | JOHNSON MATTHEY DAVY TECHNOLOGIES LIMITED | 40 Treatment42 Science45 Legal | Pending | 2022 |
| HEXAGON 2144902 · design | an individual | 1 Chemicals4 Oils6 Metal+10 | Pending | 2021 |