| ZUKODA 1704182 · TMA1058553 | GLAXO GROUP LIMITED | 5 Pharmaceuticals44 Medical | Registered | 2019 |
| Zheyst 2214587 · TMA1244433 | an individual | 21 Housewares | Registered | 2024 |
| ZESST 2163739 · TMA1200473 · design | Almatech SA | 12 Vehicles39 Transport | Registered | 2023 |
| ZACUDY 2138425 · TMA1181919 | CHUGAI SEIYAKU KABUSHIKI KAISHA (Chugai Pharmaceutical Co. Ltd.) | 5 Pharmaceuticals | Registered | 2023 |
| ZEAST 2128467 · TMA1189822 | an individual | 9 Electronics11 Lighting | Registered | 2023 |
| Zexeed 2118088 · TMA1210773 | Nippon Steel Corporation | 6 Metal | Registered | 2023 |
| ZEST 2104659 · TMA1177603 | Tacony Corporation | 7 Machines | Registered | 2023 |
| Zexeed 2099734 · TMA1154361 | YAMASHIN-FILTER CORP. | 9 Electronics10 Medical | Registered | 2022 |
| ZUSTO 2056546 · TMA1154124 | an individual | 1 Chemicals30 Coffee | Registered | 2022 |
| ZUZITO 2043797 · TMA1144738 · design | an individual | 11 Lighting | Registered | 2022 |
| ZOCIETTE 1901627 · TMA1089765 | Sunovion Pharmaceuticals Inc. | 5 Pharmaceuticals | Registered | 2020 |
| ZAGAT 1813354 · TMA1015837 · design | The Infatuation Inc. | 16 Paper20 Furniture35 Advertising+1 | Registered | 2019 |
| ZIGGIT 1712819 · TMA955994 | Productions Wedoodle Inc. | 9 Electronics14 Jewellery26 Sewing | Registered | 2016 |
| ZIXGATEWAY 1592778 · TMA917826 | ZixCorp Systems, Inc. | 9 Electronics38 Telecommunications42 Science | Registered | 2015 |
| ZAGAT 1560479 · TMA898844 | The Infatuation Inc. | 6 Metal9 Electronics14 Jewellery+7 | Registered | 2015 |
| ZEST 1557792 · TMA893708 | Takara Holdings Inc. | 32 Beer33 Wine | Registered | 2015 |
| zoeked 1535186 · TMA845298 | AutomationForce Inc | 9 Electronics | Registered | 2013 |
| ZUACTA 1493355 · TMA849860 | SANOFI | 5 Pharmaceuticals | Registered | 2013 |
| ZESTE 1478009 · TMA935237 | Groupe TVA inc. | 9 Electronics16 Paper38 Telecommunications+2 | Registered | 2016 |
| ZESTY 1468548 · TMA791488 | an individual | 12 Vehicles | Registered | 2011 |
| ZOOJET 1345768 · TMA764989 · design | Orubor Integrated Technology Inc. | 1 Chemicals3 Cosmetics5 Pharmaceuticals+1 | Registered | 2010 |
| ZOOJET 1345767 · TMA764988 | Orubor Integrated Technology Inc. | 1 Chemicals3 Cosmetics5 Pharmaceuticals+1 | Registered | 2010 |
| ZESTE 1330355 · TMA734151 | ZESTE AGENCE MOTIVATION INC. | 35 Advertising36 Finance37 Construction+5 | Registered | 2009 |
| ZEST 1201788 · TMA626737 · design | TCP HRB IP, LLC | 3 Cosmetics | Registered | 2004 |
| ZAGAT 1071502 · TMA589771 | The Infatuation Inc. | 9 Electronics16 Paper41 Education+2 | Registered | 2003 |