Midnight Force

Heavy Metal - United-Kingdom

Midnight Messiah

Heavy Metal - United-Kingdom

Midnight Prophecy

Power Metal - United-Kingdom

Midnight Realm

Melodic Death - United-Kingdom

Midnite City

Hard Rock - United-Kingdom

Milk

Grunge - United-Kingdom

Milk Teeth

Grunge - United-Kingdom

Millennium (UK)

NWOBHM - United-Kingdom

Millicent Grove

Hardcore - United-Kingdom

Million Dead

Hardcore - United-Kingdom

Mimir

Black Metal - United-Kingdom

Mind Doctors

Hard Rock - United-Kingdom

Mind Set A Threat

Screamo - United-Kingdom

Mindfeed

Progressive Metal - United-Kingdom

Mindlapse

Melodic Death - United-Kingdom

Minethorn

Industrial Metal - United-Kingdom

Minion (UK)

Thrash Metal - United-Kingdom

Minister Bonesaw

Death Metal - United-Kingdom

Minor Planet

Heavy Rock - United-Kingdom

Minus Inferno

Heavy Metal - United-Kingdom

Miocene

Nu Metal - United-Kingdom

Mirage (UK)

NWOBHM - United-Kingdom

Miranda Sex Garden

Gothic Dark - United-Kingdom

Mire (UK)

Atmospheric Black - United-Kingdom

Mireau

Metalcore - United-Kingdom

Miroist

Progressive Metal - United-Kingdom

Mirror Black

Heavy Metal - United-Kingdom

Misanthropic Existence

Black Death - United-Kingdom

Miscreant (UK)

Hardcore - United-Kingdom

Miseria Visage

Experimental Metal - United-Kingdom

Misericorde

Doom Metal - United-Kingdom

Misertus

Atmospheric Black - United-Kingdom

Misery (UK)

Black Metal - United-Kingdom

Misha Calvin

Hard Rock - United-Kingdom

Misophonia (UK)

Symphonic Death - United-Kingdom

Mistborne

Symphonic Metal - United-Kingdom

Mister Sister Fister

Deathcore - United-Kingdom

Mistress (UK)

Sludge Metal - United-Kingdom

Mists Of Poveglia

Ambiant Black - United-Kingdom

Mithrandir (UK)

NWOBHM - United-Kingdom

Mithras

Experimental Metal - United-Kingdom

MiXE1

Industrial Metal - United-Kingdom

Mogg Way

Hard Rock - United-Kingdom

Moggs Motel

Hard Rock - United-Kingdom

Mogul Thrash

Heavy Rock - United-Kingdom

Moloch (UK)

Sludge Doom - United-Kingdom

Momentum (UK)

Crust - United-Kingdom

Monachopsis

Technical Death - United-Kingdom

Monad

Death Metal - United-Kingdom

Monasteries

Deathcore - United-Kingdom

Monday Massacre

Nu Metal - United-Kingdom

Money (UK)

NWOBHM - United-Kingdom

Möngöl Hörde

Noise Hardcore - United-Kingdom

Monolith (UK)

Death Metal - United-Kingdom

Monolith Cult

Doom Metal - United-Kingdom

Monolithian

Doom Black - United-Kingdom

Monsters Among Us

Thrash Speed - United-Kingdom

Monsterworks

Progressive Metal - United-Kingdom

Monument (UK)

Heavy Metal - United-Kingdom

Monumentomb

Death Metal - United-Kingdom

Monuments

Progressive Metal - United-Kingdom

Moon Chamber

Melodic Heavy - United-Kingdom

Moon Reaper

Doom Black - United-Kingdom

Moose

Thrash Neo - United-Kingdom

Moose Cult

Death Doom - United-Kingdom

Morag Tong

Stoner Doom - United-Kingdom

Moralslip

Hardcore - United-Kingdom

Morana (UK)

Dungeon Synth - United-Kingdom

Moratorium (UK)

Death Metal - United-Kingdom

Morbicus (USA)

Death Doom - United-Kingdom

Morbid Remains

Death Metal - United-Kingdom

Morbid Symphony (UK)

Death Metal - United-Kingdom

Mordraaneth

Dungeon Synth - United-Kingdom

More (UK)

NWOBHM - United-Kingdom

More Than Life

Hardcore - United-Kingdom

Morgawr

Folk black - United-Kingdom

Morgue Orgy

Melodic Death - United-Kingdom

Morgueazm

Thrash Death - United-Kingdom

Moriarti And The Sith

Gothic Metal - United-Kingdom

Moritz

Hard FM - United-Kingdom

Morkret

Progressive Death - United-Kingdom

Morlich

Folk black - United-Kingdom

Morose (UK)

Avantgardiste Black - United-Kingdom

Morpheus Rising

Heavy Metal - United-Kingdom

Morphine

Doom Black - United-Kingdom

Morrow (UK)

Crust - United-Kingdom

Mors Voluntaria

Black Metal - United-Kingdom

Morstice

Death Metal - United-Kingdom

Mort (UK)

Black Metal - United-Kingdom

Mortad

Death Metal - United-Kingdom

Mortal (UK)

Thrash Death - United-Kingdom

Mortal Remains (UK)

Death Metal - United-Kingdom

Mortal Torment (UK)

Death Metal - United-Kingdom

Mortalitas UK

Gothic Doom - United-Kingdom

Mortaryon

Black Death - United-Kingdom

Morte Lune (UK)

Black Metal - United-Kingdom

Mörti Viventi

Thrash Metal - United-Kingdom

Mortirion

Black Metal - United-Kingdom

Mortuary Spawn

Death Metal - United-Kingdom

Mortum Insignia

Death Doom - United-Kingdom