| SIMPLECOTE 1566769 · TMA895217 | THE EMPIRE LIFE INSURANCE COMPANY | 9 Electronics | Registered | 2015 |
| SIMPLEQUOTE 1566310 · TMA895080 | THE EMPIRE LIFE INSURANCE COMPANY | 9 Electronics | Registered | 2015 |
| SIMPLESAVE 1398876 · TMA765796 · design | Hewlett-Packard Development Company, L.P. | 9 Electronics | Registered | 2010 |
| SIMPLESAVE 1395538 · TMA765175 | Hewlett-Packard Development Company, L.P. | 9 Electronics | Registered | 2010 |
| SampleSource 1543570 · TMA839403 | SampleSource Incorporated | 35 Advertising | Registered | 2013 |
| SIMPLESILVER 1381591 · TMA755744 · design | Silver (NZ) Limited | 1 Chemicals5 Pharmaceuticals | Registered | 2009 |
| SIMPLECENTER 1309806 · TMA745904 | UNIVERSAL ELECTRONICS INC. | 9 Electronics | Registered | 2009 |
| SIMPLYCARS 2207577 · TMA1240360 · design | Grey Matter Data Inc. | 35 Advertising36 Finance | Registered | 2024 |
| Simpletaste 2160230 · TMA1218483 | 1byone Products Inc. | 7 Machines21 Housewares | Registered | 2024 |
| SIMPLEGRIP 2102702 · TMA1190611 | Home Depot International, Inc. | 19 Building | Registered | 2023 |
| Simplive 2075362 · TMA1162549 | an individual | 12 Vehicles | Registered | 2023 |
| simpletome 2062421 · TMA1173252 | SHENZHEN YOUPIN HOUSEWARE CO. LTD. | 21 Housewares | Registered | 2023 |
| SIMPLITUDE 1920474 · TMA1114909 | OWEN MUMFORD LIMITED | 9 Electronics10 Medical | Registered | 2021 |
| SIMPLICITÉ 1890915 · TMA1193076 | Canadian Tire Corporation, Limited | 3 Cosmetics8 Hand9 Electronics+8 | Registered | 2023 |
| simpletaste 1878648 · TMA1067557 | 1byone Products Inc. | 11 Lighting21 Housewares | Registered | 2019 |
| SIMPLECLICK 1766486 · TMA1046460 | Sun Pharmaceutical Industries Limited | 10 Medical | Registered | 2019 |
| SIMPLEHUMAN 1748110 · TMA1006658 | Simplehuman LLC | 20 Furniture | Registered | 2018 |
| SIMPLESLIDE 1604891 · TMA935317 | PBM Nutritionals, LLC | 5 Pharmaceuticals | Registered | 2016 |
| SIMPLEE 1557274 · TMA853613 | Simplee Brands Corp. | 35 Advertising41 Education43 Restaurants | Registered | 2013 |
| SIMPLERES 1402232 · TMA765501 | Marshall Anderson Tours Ltd. | 35 Advertising39 Transport41 Education+1 | Registered | 2010 |
| SIMPLEACE 1350155 · TMA717550 | ACCEO Solutions Inc. | 9 Electronics | Registered | 2008 |
| SIMPLICE 1325491 · TMA710725 | KOHLER CO. | 11 Lighting | Registered | 2008 |
| SIMPLEHUMAN 1310857 · TMA743170 | Simplehuman LLC | 16 Paper20 Furniture21 Housewares | Registered | 2009 |
| SIMPLER 1259669 · TMA670872 | INTERNATIONAL BUSINESS MACHINES CORPORATION | 35 Advertising | Registered | 2006 |
| SIMPLEPROBE 1180217 · TMA626180 · design | Roche Diagnostics GmbH | 1 Chemicals5 Pharmaceuticals | Registered | 2004 |