| RENTSCORE 1275052 · TMA727976 | Rent Bureau of Canada Ltd. | 16 Paper35 Advertising36 Finance+1 | Registered | 2008 |
| Rentschler 2081959 | Dr. Rentschler Holding GmbH & Co.KG | 1 Chemicals5 Pharmaceuticals40 Treatment+2 | Pending | 2020 |
| RENTCAFE 1522944 · TMA877758 | YARDI SYSTEMS, INC. | 9 Electronics36 Finance42 Science | Registered | 2014 |
| RENTACRATE 1514584 · TMA899386 | Rentacrate Enterprises, LLC | 12 Vehicles20 Furniture37 Construction+3 | Registered | 2015 |
| REYNATIS 2259966 · TMA1277942 | FURYU CORPORATION | 9 Electronics | Registered | 2024 |
| Reniteco 2246373 · TMA1264508 | NANJING HIP HOP DOG INTERNATIONAL TRADE CO. LTD | 21 Housewares | Registered | 2024 |
| RINOTEC 2225415 · TMA1241911 | PRO FARM GROUP, INC. | 5 Pharmaceuticals | Registered | 2024 |
| RuenTech 2218066 · TMA1246782 | an individual | 14 Jewellery | Registered | 2024 |
| RENDEZVOUS 2210327 · TMA1282870 | A-L Outdoors, LLC | 5 Pharmaceuticals28 Toys | Registered | 2025 |
| RenataX 2199768 · TMA1237613 | an individual | 8 Hand | Registered | 2024 |
| RENTDESK 2199707 · TMA1241243 | Cityscape Real Estate Ltd | 35 Advertising36 Finance42 Science | Registered | 2024 |
| ROMTECH 2168794 · TMA1212476 | ROM Technologies, Inc. | 10 Medical28 Toys | Registered | 2023 |
| ROMITAKE 2080619 · TMA1165969 | an individual | 9 Electronics | Registered | 2023 |
| RUNTZ 2067805 · TMA1148143 · design | 3615 Market, LLC | 35 Advertising | Registered | 2022 |
| RENDESVOUZ 2067660 · TMA1180081 · design | Calgary Seton Hotel Investment LP | 43 Restaurants | Registered | 2023 |
| ROOMETTES 2058407 · TMA1155200 · design | an individual | 28 Toys | Registered | 2022 |
| ROMITAZ 2058263 · TMA1169852 | an individual | 9 Electronics | Registered | 2023 |
| Randoseru 2049087 · TMA1283903 | HARIZURY CO. LTD | 18 Leather22 Ropes | Registered | 2025 |
| RENDS 2037423 · TMA1170722 · design | RENDS CO., LTD. | 10 Medical | Registered | 2023 |
| ROOMMATES 2023143 · TMA1273570 | York Wallcoverings, Inc. | 27 Carpets35 Advertising | Registered | 2024 |
| RAINTEC 1995596 · TMA1115017 | Mackintosh Limited | 24 Textiles | Registered | 2021 |
| RAMIDUS 1980669 · TMA1111249 | RAMIDUS Inc. | 18 Leather25 Clothing | Registered | 2021 |
| RhinoTech 1932932 · TMA1107279 | Big Time Products, LLC | 9 Electronics25 Clothing | Registered | 2021 |
| RENTECH 1913350 · TMA1110403 · design | Rentech Boiler Systems, Inc. | 11 Lighting37 Construction40 Treatment+1 | Registered | 2021 |
| RENTECH 1912770 · TMA1115806 | Rentech Boiler Systems, Inc. | 11 Lighting37 Construction40 Treatment+1 | Registered | 2021 |