| yumify 2261659 · TMA1254250 | an individual | 35 Advertising40 Treatment | Registered | 2024 |
| Yumby 2254661 · TMA1271627 | Jodi Ventures, Inc. | 28 Toys | Registered | 2024 |
| YONBAYO 2226828 · TMA1239063 | GLAXO GROUP LIMITED | 5 Pharmaceuticals | Registered | 2024 |
| YONBEYO 2226820 · TMA1240480 | GLAXO GROUP LIMITED | 5 Pharmaceuticals | Registered | 2024 |
| YMPBO 2218977 · TMA1246872 | Shenzhen Lanmeng Digital Technology Co., Ltd. | 21 Housewares | Registered | 2024 |
| YUMHUB 2115998 · TMA1154434 | Spin Master Ltd. | 28 Toys | Registered | 2022 |
| YEHEONBO 2011905 · TMA1164164 · design | LG HOUSEHOLD & HEALTH CARE LTD. | 3 Cosmetics | Registered | 2023 |
| YOMAHUB 1978788 · TMA1124234 · design | Zhejiang Yuema Wheel Hub Co., Ltd. | 12 Vehicles | Registered | 2022 |
| YAMIBUY 1928140 · TMA1182211 | Transocean Resources Management, Inc. a legal entity | 35 Advertising | Registered | 2023 |
| YUNYOBO 1888387 · TMA1062256 · design | Youyoubao (Tianjin) Network Technology Co. LTD. | 38 Telecommunications | Registered | 2019 |
| YEAHMOBI 1858769 · TMA1089862 · design | CLICK TECH LIMITED | 38 Telecommunications41 Education42 Science | Registered | 2020 |
| YIMBY 1855673 · TMA1019973 · design | 9297-8543 Québec inc. | 35 Advertising36 Finance37 Construction | Registered | 2019 |
| YUANBU 1818585 · TMA996407 · design | Wenzhou Yuanbiao Shoes Co.Ltd | 25 Clothing | Registered | 2018 |
| YOMIBY 1772005 · TMA1049454 | GLAXO GROUP LIMITED | 5 Pharmaceuticals | Registered | 2019 |
| YEAHMOBI 1761073 · TMA1008967 · design | CLICK TECH LIMITED | 9 Electronics35 Advertising | Registered | 2018 |
| YONAVAY 1666591 · TMA1047167 | Owner not shown | 5 Pharmaceuticals | Registered | 2019 |
| YINBAO 1628256 · TMA895180 · design | SHANDONG YINBAO TYRE GROUP CO. LTD. | 12 Vehicles17 Rubber | Registered | 2015 |
| YAMPU 1609532 · TMA876312 | an individual | 39 Transport | Registered | 2014 |
| YummyWeb 1513444 · TMA845764 | YummyWeb Incorporated | 35 Advertising39 Transport42 Science+1 | Registered | 2013 |
| YNBY 1345550 · TMA736780 · design | YUNNAN BAIYAO GROUP CO. LTD. | 3 Cosmetics5 Pharmaceuticals30 Coffee | Registered | 2009 |
| YEMBO 2372774 | Yembo, Inc | 36 Finance39 Transport42 Science | Pending | 2025 |
| YUMPY 2362312 | Yumpy Pet Products LLC | 18 Leather | Pending | 2024 |
| YANABA 2356229 | willive Co. Ltd. | 18 Leather25 Clothing | Pending | 2024 |
| Yoniva 2322935 | 9514-6189 Quebec Inc. | 5 Pharmaceuticals | Pending | 2024 |
| YUNVI 2302721 | Owner not listed | 28 Toys | Pending | 2023 |