| SPINMATIC 0719130 · TMA434928 | GLOBERIDE, Inc. | 28 Toys | Registered | 1994 |
| SPAMETICS 1273244 · TMA727601 | SpaMedica Infinite Vitality Clinic Yorkville Inc. | 3 Cosmetics | Registered | 2008 |
| SAFEMATIC 0744387 · TMA444001 | an individual | 6 Metal7 Machines9 Electronics+2 | Registered | 1995 |
| SPOUNTIN 1690136 · TMA948093 | Prairie Outdoors Inc. | 6 Metal8 Hand9 Electronics+10 | Registered | 2016 |
| SPONTIN 0236830 · TMA106326 | BGP Pharma ULC | 5 Pharmaceuticals | Registered | 1957 |
| Seventomatic 1873851 · TMA1095559 | an individual | 7 Machines9 Electronics12 Vehicles+1 | Registered | 2021 |
| SPAMEDICA 1273245 · TMA727602 | SpaMedica Infinite Vitality Clinic Yorkville Inc. | 3 Cosmetics | Registered | 2008 |
| SPAMEDICA 0857948 · TMA544196 | SpaMedica Infinite Vitality Clinic Yorkville Inc. | 35 Advertising44 Medical | Registered | 2001 |
| SPAMEDICA 0819128 · TMA503817 | SpaMedica Infinite Vitality Clinic Yorkville Inc. | 44 Medical | Registered | 1998 |
| 9SEVENTY 2277530 · TMA1267548 | New Era Cap, LLC | 25 Clothing | Registered | 2024 |
| SPINDL 2251932 · TMA1270174 | Red Thread Innovations Inc. | 42 Science | Registered | 2024 |
| SoFound 2237844 · TMA1258255 | an individual | 9 Electronics35 Advertising42 Science | Registered | 2024 |
| SEVEN9THIRTEEN 2228953 · TMA1252862 | an individual | 14 Jewellery25 Clothing35 Advertising | Registered | 2024 |
| Skybender 2223278 · TMA1280905 | 9478-9450 Québec inc. | 8 Hand | Registered | 2025 |
| SAFANAD 2218163 · TMA1257887 | Safanad Limited | 36 Finance | Registered | 2024 |
| Spoontainable 2186592 · TMA1275870 | Spoontainable GmbH | 8 Hand30 Coffee | Registered | 2024 |
| SAFinity 2180414 · TMA1211343 | ROLLS-ROYCE plc | 9 Electronics35 Advertising | Registered | 2023 |
| SUPANOTCH 2179262 · TMA1275834 | an individual | 35 Advertising41 Education | Registered | 2024 |
| 2SEVENTYBIO 7 2179212 · TMA1239647 · design | 2seventy bio, Inc. | 5 Pharmaceuticals42 Science | Registered | 2024 |
| 2SEVENTYBIO 7 2176306 · TMA1239641 · design | 2seventy bio, Inc. | 5 Pharmaceuticals42 Science | Registered | 2024 |
| SAFANAD 2170299 · TMA1284366 · design | Safanad Limited | 36 Finance | Registered | 2025 |
| SWAPNOTE 2162431 · TMA1205419 | NINTENDO OF AMERICA INC. | 9 Electronics | Registered | 2023 |
| SPONDSOPH 2156774 · TMA1208785 | an individual | 28 Toys | Registered | 2023 |
| SAPIENTCELL 2154736 · TMA1239575 | BioSentinel, Inc. | 1 Chemicals5 Pharmaceuticals | Registered | 2024 |
| SEVENTYSEVEN 2153651 · TMA1206480 | Retail Royalty Company, a Nevada, U.S.A. corporation | 3 Cosmetics | Registered | 2023 |