| SCIENTIBUS 0915187 | Her Majesty the Queen in Right of the Province of Ontario as represented by the Ministry of Enterprise, Opportunity and Innovation | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 2003 |
| SCENTBIRD 1842414 · TMA1076669 | Scentbird, Inc. | 3 Cosmetics4 Oils35 Advertising | Registered | 2020 |
| SCENTBALL 1475140 · TMA791666 | Hubmar International, Inc. | 11 Lighting | Registered | 2011 |
| ScentVR 2238945 · TMA1258344 | an individual | 9 Electronics | Registered | 2024 |
| SCENTIVA 1745444 · TMA1005859 | THE CLOROX COMPANY, A DELAWARE CORPORATION | 3 Cosmetics | Registered | 2018 |
| SENTBIZ 2251754 · design | Owner not listed | 36 Finance | Pending | 2023 |
| SENTBE 2230775 · design | SENTBE INC. | 36 Finance | Pending | 2022 |
| SCENTBLAST 1915462 · TMA1097238 | Givaudan SA | 1 Chemicals3 Cosmetics | Registered | 2021 |
| SCENTIFIC 2229663 · TMA1247128 | Appscent Medical Ltd | 10 Medical42 Science | Registered | 2024 |
| ScentWave 1401718 · TMA753826 | an individual | 11 Lighting | Registered | 2009 |
| ScentVoyage 2346309 | M4H ScentVoyage Inc | 3 Cosmetics | Pending | 2024 |
| SANTEVIA 2281396 · TMA1223326 · design | Santevia Water Systems Inc. | 11 Lighting | Registered | 2024 |
| SMOOTHFLOW 2263494 · TMA1284754 | TYCROP TRAILERS INC. | 12 Vehicles | Registered | 2025 |
| SANDWAVE 2259301 · TMA1277875 | Sandwave Technologies Inc. | 9 Electronics35 Advertising36 Finance+2 | Registered | 2024 |
| SOUNDBAND 2256256 · TMA1276197 | COCHLEAR LIMITED | 10 Medical | Registered | 2024 |
| Sandwave 2249862 · TMA1234047 | Shenzhen Verdewell Technology Limited | 34 Tobacco | Registered | 2024 |
| SANDVINE 2198823 · TMA1284535 · design | SANDVINE CORPORATION | 9 Electronics37 Construction38 Telecommunications+1 | Registered | 2025 |
| SKINTOPIC 2156281 · TMA1259360 | an individual | 31 Fresh | Registered | 2024 |
| SOUNDBURST 2127203 · TMA1198872 | Radio Systems Corporation | 9 Electronics | Registered | 2023 |
| Somdiffy 2110524 · TMA1179288 | an individual | 9 Electronics25 Clothing | Registered | 2023 |
| SENDEFN 2079352 · TMA1164859 | an individual | 18 Leather | Registered | 2023 |
| SHINTOP 2074107 · TMA1161437 · design | LEADER ELECTRONIC DEVELOPMENT CO. LIMITED | 20 Furniture | Registered | 2023 |
| Simtive 2064666 · TMA1156398 | an individual | 21 Housewares | Registered | 2022 |
| SonoTAP 2053477 · TMA1154077 | Pajunk GmbH Medizintechnologie | 10 Medical | Registered | 2022 |
| saintvntge 2041599 · TMA1142848 | Owner not shown | 25 Clothing | Registered | 2022 |