| GUSTAVE 0901205 · design | Canadian Broadcasting Corporation / Société Radio-Canada | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 1969 |
| GUESTFOLIO 1424921 · TMA758810 | Guestfolio Communications Inc. | 9 Electronics35 Advertising39 Transport+2 | Registered | 2010 |
| GUESTFLIX 1733986 · TMA1031022 | Guest-Tek Interactive Entertainment Limited | 9 Electronics35 Advertising38 Telecommunications+1 | Registered | 2019 |
| GUESTPATH 1242264 · TMA699508 | Delaware North Companies, Inc. (a Delaware corporation) | 42 Science | Registered | 2007 |
| GUESTPATH 1242263 · TMA693743 · design | Delaware North Companies, Inc. (a Delaware corporation) | 42 Science | Registered | 2007 |
| Gustavsen 1098331 · TMA580134 | Dom International Limited | 29 Meat | Registered | 2003 |
| GUSTAVIA 0754001 · TMA451849 | an individual | 29 Meat30 Coffee | Registered | 1995 |
| Gustav 2346283 | Gustav Magenwirth GmbH & Co. KG | 12 Vehicles | Pending | 2023 |
| GUESTPATH 2319571 · design | Delaware North Companies, Inc. | 41 Education42 Science | Pending | 2024 |
| GUESTPATH 2318360 · design | Owner not listed | 41 Education42 Science | Pending | 2024 |
| GUSTAV 2072290 | Gestion d'événements Gestev inc. | 35 Advertising41 Education42 Science | Pending | 2020 |
| GUSTAV 2033762 | Owner not shown | 29 Meat30 Coffee32 Beer+3 | Pending | 2020 |
| GOCETFI 2210013 · TMA1194968 | FibroGen, Inc. | 5 Pharmaceuticals | Registered | 2023 |
| GhostFrame 2140079 · TMA1232164 | H2VR HoldCo, Inc. | 9 Electronics42 Science | Registered | 2024 |
| Gesdfwe 2121986 · TMA1185383 | Putian Maishang Electronic Commerce Co. Ltd. | 25 Clothing | Registered | 2023 |
| GHOSTOPIA 2087286 · TMA1147079 | Supersocial, Inc. | 41 Education | Registered | 2022 |
| GhostPizza 2057989 · TMA1156278 | GhostPizza Inc. | 7 Machines30 Coffee35 Advertising+2 | Registered | 2022 |
| GHOSTBOX 2042675 · TMA1163366 · design | an individual | 9 Electronics | Registered | 2023 |
| GAUSSDB 2003594 · TMA1146528 · design | HUAWEI TECHNOLOGIES CO., LTD. | 9 Electronics42 Science | Registered | 2022 |
| GHOSTBOND 1987194 · TMA1254507 | Professional Hair Products Limited | 3 Cosmetics | Registered | 2024 |
| GHOSTBED 1923034 · TMA1115537 · design | Werner Media Partners, LLC a Limited Liability Company organized in Illinois, DBA Nature's Sleep | 20 Furniture24 Textiles | Registered | 2021 |
| GHOSTFORCE 1908783 · TMA1113572 | Zag America LLC | 9 Electronics16 Paper25 Clothing+2 | Registered | 2021 |
| GEOSTEP 1893552 · TMA1093238 | an individual | 19 Building35 Advertising | Registered | 2021 |
| GUSTBUSTER 1856067 · TMA1063905 | Shur-Co, LLC | 22 Ropes | Registered | 2019 |
| GOSTEP 1783920 · TMA1045834 | HUAWEI TECHNOLOGIES CO., LTD. | 9 Electronics | Registered | 2019 |