| SERVERNET 0778945 · TMA517312 | Hewlett Packard Enterprise Development LP | 9 Electronics16 Paper | Registered | 1999 |
| SERVERLIFT 2243528 | ServerLIFT Corporation | 6 Metal7 Machines8 Hand | Pending | 2023 |
| SERVIER 1879537 · TMA1093117 | SERVIER CANADA INC. | 3 Cosmetics5 Pharmaceuticals9 Electronics+5 | Registered | 2021 |
| SERVIRED 1503222 · TMA885811 | BIGGINS INVESTING CORP. | 39 Transport | Registered | 2014 |
| SERVIRED 1503221 · TMA885810 | BIGGINS INVESTING CORP. | 35 Advertising36 Finance39 Transport | Registered | 2014 |
| SERVIRED 1495541 · TMA885553 | BIGGINS INVESTING CORP. | 38 Telecommunications | Registered | 2014 |
| SERVIRED 1495535 · TMA885555 | BIGGINS INVESTING CORP. | 36 Finance | Registered | 2014 |
| SERVER 1290949 · TMA704584 | Server Products, Inc. a Wisconsin corporation | 40 Treatment | Registered | 2008 |
| ServRite 1268152 · TMA678037 | CASCADES CANADA ULC | 16 Paper21 Housewares | Registered | 2006 |
| SERVIER 2332649 · design | an individual | 5 Pharmaceuticals9 Electronics10 Medical+2 | Pending | 2024 |
| SERVERPROVEN 1209225 · TMA659775 | Lenovo International Limited | 42 Science | Registered | 2006 |
| scarberia 2223369 · TMA1249953 | Scarborough Spots Inc. | 25 Clothing | Registered | 2024 |
| SURFBAR 2221968 · TMA1248675 | ZOVOO (Shenzhen) Technology Co. Ltd. | 34 Tobacco | Registered | 2024 |
| SORBIÈRE 2220866 · TMA1211407 | 9476-9627 QUÉBEC INC. | 30 Coffee32 Beer33 Wine | Registered | 2023 |
| SearPro 2164798 · TMA1216347 | SEAR PRO LLC | 7 Machines | Registered | 2023 |
| SURVEYOR 2141713 · TMA1234411 · design | CE TM Holdings LLC | 36 Finance | Registered | 2024 |
| SCRIBBR 2116619 · TMA1190813 | an individual | 35 Advertising41 Education42 Science | Registered | 2023 |
| SHARPHERO 2108920 · TMA1179184 | Taryana Blue Sky Corp. | 16 Paper28 Toys | Registered | 2023 |
| SKERRYVORE 2048052 · TMA1158148 | SKERRYVORE ASSET MANAGEMENT LLP | 36 Finance | Registered | 2022 |
| SUREPREP 1944849 · TMA1151127 | Medline Industries, LP | 5 Pharmaceuticals10 Medical17 Rubber | Registered | 2022 |
| SHAREPARK 1944688 · TMA1174207 | PARK AGILITY PTY LTD | 37 Construction | Registered | 2023 |
| SUREFORCE 1916080 · TMA1112434 | Ag Leader Technology, Inc. | 9 Electronics | Registered | 2021 |
| SKYROVER 1895439 · TMA1098387 · design | ALPHA GROUP CO. LTD. | 28 Toys | Registered | 2021 |
| 5 SURPRISE 1886773 · TMA1071914 | ZURU (Singapore) Pte. Ltd | 28 Toys | Registered | 2020 |
| SURFORMA 1870030 · TMA1092962 · design | Owner not shown | 17 Rubber19 Building | Registered | 2021 |