S.L.U.T. have been hammering out thrash and groove metal from Munich since 1996, making them veterans of the Bavarian heavy music underground. Their nearly three decades of activity reflect an unwavering commitment to aggressive, groove-laden metal.

Sa-da-ko blends melodic death metal, groove metal, and metalcore from Liverpool since 2010. Named after the vengeful spirit from Japanese horror folklore, their compositions merge Merseyside's musical intensity with multi-genre metallic aggression.

Sacrificed with a Scythe deliver groove-laced thrash metal and hardcore from Zurich, with releases like the "Bitter End" EP showcasing their crossover intensity. Their sound hammers together pit-ready breakdowns with razor-sharp thrash riffing.

Sadatus blend gothic and groove metal from the Ostrobothnian city of Kokkola, combining dark romantic atmospheres with rhythmic heaviness. Formed in 2020, they bring bilingual Finnish-Swedish cultural fusion to their metal.

Sadmarkyl deliver groove metal from the Auvergne city of Clermont-Ferrand, channeling rhythmic heaviness from the volcanic heart of France. Active since 2015, they bring Massif Central groove to the French metal scene.

Sadraen craft progressive and groove metal from the Picardy city of Amiens, building intricate compositions from northern France. Active since 2014, they bring cathedral-city ambition to the French progressive scene.

Sakeo deliver thrash and groove metal from the Navarrese capital of Pamplona, combining aggressive velocity with headbang-inducing grooves. Formed in 2023, they bring the running-of-the-bulls energy to their thrash compositions.

Sami Anttila crafts melodic death and groove metal from the Finnish underground, building engaging compositions as a solo project. Active since 2008, his work brings personal artistic vision to the Finnish metal landscape.

Hailing from St. Niklaus with their tongue firmly in cheek, Santaclaws play groove metal under the motto "Death Rides a Sleigh," with albums like "She Who Birthed Me Unto Death" and "Pink Plague" blending macabre humor with genuinely heavy riffing. Their Christmas-themed death metal aesthetic makes them one of Switzerland's most distinctive underground acts.