Atomizator are a thrash/speed metal band from Geneva, Switzerland, formed in 2015 under the motto "Thrash 'Till Death," delivering a raw, no-frills assault of razor-sharp riffs and venomous vocals. Their debut full-length "Nuclear Booze Patrol," recorded in a Geneva bunker studio and released via Witches Brew Records in 2025, contains twelve tracks of relentless old-school thrash available on limited vinyl in black, splatter, and lime green pressings.

Newcastle's Atomkraft were pioneers of the NWOBHM and speed metal movements, delivering blistering heavy metal with a raw, uncompromising edge since reforming in 2015. Their name ('nuclear power' in German) reflects the explosive energy of their sound, which bridges the gap between classic heavy metal and early thrash.

Atomwinter is a death metal band from Gottingen, Germany, formed in 2010, whose self-described 'atomic death metal' approach is reflected in a catalog spanning albums like Death Doomination, Iron Flesh, Catacombs, and Sakrileg plus a split with Collapse Instinct. The band delivers relentless death metal from the university city in southern Lower Saxony.

Atonismen creates gothic and doom metal from Saint Petersburg since 2016. Their German-Swedish hybrid name adds a Scandinavian dimension to darkly romantic compositions from Russia's imperial city.

Stevenage's Atopia craft melodic death metal that balances intricate guitar harmonies with aggressive rhythms and powerful vocal delivery. Since 2012, they've developed a sound that draws from Scandinavian melodeath traditions while maintaining a distinctly English character.

Bury St. Edmunds' Atorc channel the spirit of ancient East Anglia through folk metal that weaves traditional melodies into heavy, driving riffs and rousing choruses. Named after a Celtic chieftain, the band's 2017 formation reflects a deep connection to Britain's pre-Roman heritage.

Atotaho delivers metalcore from the small Cantabrian town of El Astillero since 2016, proving that heavy music thrives even in Spain's most compact coastal communities. Their sound connects the region's DIY punk tradition with modern metal's heaviest tendencies.

Barrow-in-Furness black metal project Atra Mors conjure grim, northern atmospheres through tremolo-laden compositions steeped in darkness and isolation. Active since 2016, their sound channels the bleak industrial landscape of their Cumbrian hometown.

Atra Mors Kvlt practices black metal from Lviv since 2016. Their Latin-and-kvlt name — 'black death cult' — drives a decade of raw compositions from this western Ukrainian cultural jewel.