Astrogence is a progressive death metal band from Denkendorf in Baden-Wurttemberg, Germany, formed in 2010, navigating the complex interplay of technical songwriting and death metal brutality. The band brings progressive ambition to the Swabian metal scene.

London's Astrohenge fuse progressive metal complexity with sludge metal weight, creating expansive compositions that shift between intricate time signatures and crushing, distorted heaviness. Active since 2010, their cosmic-themed approach blends the cerebral ambition of prog with the visceral power of sludge.

Asylum Pyre has explored progressive and power metal from Paris since 2009, building a strong reputation through several albums of technically ambitious, dynamically varied compositions. Their theatrical name suits the dramatic flair they bring to the French progressive metal landscape.

At Night I Fly has explored progressive metal's expansive sonic territory from Budapest since 2012. Their evocative name suggests nocturnal transcendence, which their ambitious compositions seek to capture through complex arrangements and dynamic shifts.

Atlantis Rising emerges from the Asturian industrial city of Avilés with progressive metal that reaches for mythological depths since 2022. Their ambitious approach to the genre reflects the creative aspirations of northern Spain's newest generation of prog-metal artists.

Atmosfearia creates power and progressive metal from Jämjö in Blekinge since 2018. Their atmosphere-realm name drives compositions that build entire worlds from the southeastern Swedish coast.

AtomA is a Swedish post-metal and progressive metal band from Stockholm, formed in 2011 from the remnants of the dissolved doom/death group Slumber, with members including vocalist Christian Älvestam and guitarist Siavosh Bigonah. Their music blends heavy atmospheric post-metal with ambient, electronic, and symphonic elements, ranging widely in texture and dynamics. The band released three albums on Napalm Records—Skylight (2012), Then Came the Wave, and Divina—before going quiet.

Athens' Atomic Blast combine progressive metal ambition with thrash metal aggression, creating technically accomplished compositions that balance cerebral complexity with visceral impact. Active since 2012, they represent the more adventurous side of Greek thrash.

Atomic Breath are a death/progressive metal band from Innsbruck whose music extends beyond the genre's conventional brutality to incorporate dynamic shifts, complex song structures, and technically ambitious instrumental passages. Their Tyrolean origins place them in a regional scene with strong traditions of craftsmanship, which is reflected in their meticulous approach to heaviness.