Girders is a symphonic black/death metal project from Scotland, formed in 2017. They pair orchestral symphonic elements with the aggression of both black and death metal from north of the border.

Give Up the Ghost is a symphonic/melodic death metal band from Rimini on the Adriatic coast, formed in 2016. They blend symphonic orchestration with melodic death metal from the Romagna beach city.

Glassgod is a progressive symphonic metal project from Leipzig, Germany, formed in 2023, blending complex progressive structures with orchestral symphonic elements. The project is a new addition to Leipzig's historically rich music scene.

Glasya is a symphonic metal band from Lisbon, Portugal, active since 2020 and named after the demon prince of the Ars Goetia, weaving orchestral grandeur into heavy metal. The project merges bombastic symphonic arrangements with powerful metal songwriting.

Gloomy Grim is a Finnish black metal and symphonic metal project started in 1995 by Agathon as a one-man band, driven by his will to make music on his own terms with primary inspiration drawn from horror film soundtracks. The project expanded to a full band, releasing albums including Blood, Monsters, Darkness, The Age of Aquarius, and Agathonomicon.

Gloryhammer is a symphonic power metal band from Dundee, Scotland, formed in 2013. Their bombastic, fantasy-themed approach — complete with elaborate narrative albums set in a fictional Scottish universe — has made them one of the most internationally successful and distinctive power metal acts to emerge from the UK.

Gods of Gaia is a symphonic death metal project from Germany, formed in 2024, merging symphonic orchestration with death metal's aggression in a dramatic, cinematic approach. The project is among the newest entries in the German symphonic extreme metal scene.

Godyva is a symphonic gothic metal band from Bari in Puglia, formed in 2014. They blend symphonic orchestration with gothic metal darkness from the capital of Italy's Adriatic south.

Gorech is a symphonic black metal band originally from Saint Petersburg, Russia, later relocating to Vrnjačka Banja, active since 2021. The project merges orchestral grandeur with black metal intensity across borders.