| GUEST 1869304 · TMA1050453 | Navico Group Americas LLC | 9 Electronics11 Lighting | Registered | 2019 |
| GUEST 0490335 · TMA278351 | Smucker Foods of Canada Corp. (Corp. de Produits Alimentaires Smucker du Canada) | 29 Meat | Registered | 1983 |
| GUEST 0248113 · TMA118409 | Sobeys Capital Incorporated | 30 Coffee | Registered | 1960 |
| GOWESTY 1504771 · TMA850640 | PE Enterprises, Inc. DBA GOWESTY Camper Products a California corporation | 6 Metal7 Machines8 Hand+11 | Registered | 2013 |
| GUSTO 2046847 · TMA1236834 · design | an individual | 30 Coffee | Registered | 2024 |
| GUSTO 1950736 · TMA1255589 | Vins Arterra Canada, division Québec, Inc. | 33 Wine | Registered | 2024 |
| GESTYA 1846101 · TMA1069066 | an individual | 9 Electronics38 Telecommunications | Registered | 2020 |
| GESTA 1791568 · TMA1007646 | The Society of Obstetricians and Gynaecologists of Canada | 9 Electronics16 Paper35 Advertising+4 | Registered | 2018 |
| GUSTO 1765851 · TMA1083524 | Gusto, Inc. | 9 Electronics35 Advertising36 Finance+1 | Registered | 2020 |
| GUSTO 1678445 · TMA939799 | an individual | 6 Metal7 Machines9 Electronics+8 | Registered | 2016 |
| GUSTO!! 1639183 · TMA1054402 | an individual | 4 Oils7 Machines8 Hand+11 | Registered | 2019 |
| GUST 1607623 · TMA871301 | Koei Tecmo Games Co. Ltd. | 9 Electronics | Registered | 2014 |
| GESTO 1502489 · TMA841706 | Gesto Forno Bread and Pizza Ltd. | 29 Meat30 Coffee32 Beer+3 | Registered | 2013 |
| GUSTO 1375974 · TMA744088 | Greenhouse Grown Foods Inc. | 31 Fresh | Registered | 2009 |
| GUSTI 0596197 · TMA350538 | 7265841 Canada Inc. | 3 Cosmetics5 Pharmaceuticals6 Metal+15 | Registered | 1989 |
| Gusti 2184654 | Gusti Leder GmbH | 16 Paper18 Leather25 Clothing | Pending | 2022 |
| GOZATO 2250948 · TMA1270068 | an individual | 28 Toys | Registered | 2024 |
| GACATA 2243797 · TMA1261830 | an individual | 20 Furniture | Registered | 2024 |
| GHAZAWET 2240241 · TMA1284644 | Quanzhou Jiaza Weite Trading Co. Ltd. | 21 Housewares | Registered | 2025 |
| GOOZADA 2194412 · TMA1235097 | an individual | 9 Electronics | Registered | 2024 |
| GHOST 2181487 · TMA1200598 · design | M. Lemieux inc | 3 Cosmetics7 Machines8 Hand+8 | Registered | 2023 |
| ghostea 2164260 · TMA1188888 | Cookie Bluff inc. | 30 Coffee | Registered | 2023 |
| Geyecete 2151598 · TMA1217351 | Guangzhou Huiyun Trading Co. Ltd. | 18 Leather | Registered | 2024 |
| GHOST 2147189 · TMA1200448 | Snap Inc. | 35 Advertising36 Finance | Registered | 2023 |
| GigaWhite 2125288 · TMA1232117 | NICHIA CORPORATION | 9 Electronics10 Medical11 Lighting | Registered | 2024 |