| SAILAB 2187099 · TMA1231615 | SAITECH Limited | 9 Electronics11 Lighting42 Science | Registered | 2024 |
| SKYLAB 1523814 · TMA833907 | GRO2 SYSTEMS INC. | 6 Metal7 Machines9 Electronics+2 | Registered | 2012 |
| SKYLAB 2280501 · design | Owner not listed | 9 Electronics40 Treatment42 Science | Pending | 2023 |
| SKYLAB 2070874 | Skylab Technologies Inc. | 9 Electronics40 Treatment42 Science | Pending | 2020 |
| Slap!! 2181891 · TMA1248095 | SCHIAFFO LLC | 41 Education | Registered | 2024 |
| SALAV 1629332 · TMA900257 · design | Foshan Yuweicheng Investment Co. LTD. | 7 Machines11 Lighting | Registered | 2015 |
| SYLOB 1471194 · TMA844252 | Sylob, SA | 9 Electronics35 Advertising41 Education+1 | Registered | 2013 |
| SLB 2332313 | Schlumberger Limited (Schlumberger N.V.) | 1 Chemicals7 Machines9 Electronics+8 | Pending | 2023 |
| SLB 2263834 · design | Owner not listed | 1 Chemicals7 Machines9 Electronics+8 | Pending | 2022 |
| SLB 2263833 · design | Owner not listed | 1 Chemicals7 Machines9 Electronics+8 | Pending | 2022 |
| Sllyfo 2256655 · TMA1276258 | Zhangzhou Shengliya Trading Co. Ltd. | 28 Toys | Registered | 2024 |
| SleepPee 2253516 · TMA1274418 | an individual | 10 Medical | Registered | 2024 |
| SYLPH 2230456 · TMA1253021 | Halgoods Inc. | 11 Lighting34 Tobacco | Registered | 2024 |
| SLEEPAH 2206623 · TMA1240305 | YGK LTD | 20 Furniture | Registered | 2024 |
| Skillify 2205337 · TMA1240176 | an individual | 41 Education | Registered | 2024 |
| SKELP!! 2204772 · TMA1225494 | FROSTBLAND PTY LTD. | 3 Cosmetics | Registered | 2024 |
| SLOOP 2191057 · TMA1218681 · design | SHENZHEN HUASHANG BIOTECHNOLOGY CO.,LTD | 34 Tobacco | Registered | 2024 |
| Sulypo 2175829 · TMA1227077 | Guangzhou Danli Xinxi Tech Co. Ltd | 11 Lighting | Registered | 2024 |
| SOLAVIA 2165864 · TMA1219854 · design | an individual | 25 Clothing | Registered | 2024 |
| SLEEPBEE 2163517 · TMA1219833 | HAPBEE TECHNOLOGIES INC. | 10 Medical20 Furniture24 Textiles+1 | Registered | 2024 |
| SOLOOP 2159814 · TMA1234474 · design | GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP. LTD. | 9 Electronics | Registered | 2024 |
| SQLIFE 2156458 · TMA1207804 | Shenzhen Qiaoyue International Trade Co. Ltd. | 16 Paper | Registered | 2023 |
| SEALUP 2125260 · TMA1170328 · design | Yongkang Jingcheng Technology Co. Ltd. | 12 Vehicles | Registered | 2023 |
| SoulBay 2124477 · TMA1188524 | an individual | 9 Electronics | Registered | 2023 |
| SHELFIE 2096633 · TMA1152155 | Casella Wines Pty Limited | 33 Wine | Registered | 2022 |