| Compton 1403972 · TMA749658 | an individual | 29 Meat | Registered | 2009 |
| COMPEED 1089785 · TMA604899 | an individual | 3 Cosmetics5 Pharmaceuticals20 Furniture+1 | Registered | 2004 |
| COMPEED 0841755 · TMA498300 · design | an individual | 5 Pharmaceuticals | Registered | 1998 |
| COMPEED 0598215 · TMA397431 | an individual | 5 Pharmaceuticals | Registered | 1992 |
| COMPADOR 1997186 · TMA1225741 | an individual | 5 Pharmaceuticals | Registered | 2024 |
| COMPUTOT 0706535 · TMA450441 | Owner not shown | 41 Education | Registered | 1995 |
| COMPITOX 0270739 · TMA130437 | NUFARM UK LIMITED | 5 Pharmaceuticals | Registered | 1963 |
| COMPTOIR 2336486 | an individual | 18 Leather25 Clothing | Pending | 2024 |
| COMPUTOX 0900309 | Owner not shown | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 1984 |
| compuda 2260731 · TMA1279509 | Guangzhou Bafubali Import and Export Trade Co. Ltd. | 18 Leather | Registered | 2024 |
| COMPTIA 0774674 · TMA477498 | THE COMPUTING TECHNOLOGY INDUSTRY ASSOCIATION, INC. | 35 Advertising | Registered | 1997 |
| COMPAT 0712488 · TMA438062 | Owner not shown | 10 Medical | Registered | 1995 |
| COMPET 0305877 · TMA156866 | an individual | 9 Electronics | Registered | 1968 |
| COMOBOT 2237022 | an individual | 7 Machines9 Electronics37 Construction | Pending | 2022 |
| COMPTIA 2171993 | The Computing Technology Industry Association, Inc. DBA CompTIA, Inc. a legal entity | 35 Advertising41 Education42 Science | Pending | 2022 |
| COMPETE 0915984 | MCMASTER UNIVERSITY | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 2004 |
| COMPUTRON 1980661 · TMA1094757 | an individual | 14 Jewellery | Registered | 2021 |
| COMPUDOSE 0417667 · TMA237296 | Elanco US Inc. | 5 Pharmaceuticals | Registered | 1979 |
| COMPUTERWORLD 1576615 · TMA851315 | INTERNATIONAL DATA GROUP, INC. | 42 Science | Registered | 2013 |
| COMPUTERWORLD 0424946 · TMA235747 | INTERNATIONAL DATA GROUP, INC. (ALSO TRADING AS INTERNATIONAL DATA GROUP AND AS IDG), A MASSACHUSETTS CORPORATION | 16 Paper | Registered | 1979 |
| COMPUTERWORLD 2155126 | INTERNATIONAL DATA GROUP, INC. | 35 Advertising38 Telecommunications42 Science | Pending | 2021 |
| canupdog 2342487 · TMA1285099 | Shenzhen Honghelong Trading Co. Ltd. | 9 Electronics | Registered | 2025 |
| CHAINPATROL 2249312 · TMA1268660 | Owner not listed | 9 Electronics42 Science | Registered | 2024 |
| Cinpode 2227040 · TMA1252624 | Shenzhen Hongming Innovation Co. Ltd. | 18 Leather | Registered | 2024 |
| CANFITCAN 2217310 · TMA1246689 | Guangdong Xizhongxi Technology Co.,Ltd. | 9 Electronics12 Vehicles | Registered | 2024 |