Mantarok

Black Metal - United-Kingdom

Mantas (UK)

Industrial Death - United-Kingdom

Mantlet

Hardcore - United-Kingdom

Mantra (UK)

Thrash Metal - United-Kingdom

Manufactured God

Death Metal - United-Kingdom

Many Suffer

Doom Black - United-Kingdom

Many Things Untold

Metalcore - United-Kingdom

Marabbecca

Black Metal - United-Kingdom

Marc Hudson

Power Metal - United-Kingdom

Margaret Read

Black Metal - United-Kingdom

Margarita Witch Cult

Stoner Doom - United-Kingdom

Marmozets

Metalcore - United-Kingdom

Marquis De Sade

NWOBHM - United-Kingdom

Marseille

NWOBHM - United-Kingdom

Marshall Law (UK)

Power Metal - United-Kingdom

Martyr Defiled

Deathcore - United-Kingdom

Marw

Black Metal - United-Kingdom

Marzuraan

Drone - United-Kingdom

Masada (UK)

Groove Metal - United-Kingdom

Masai

NWOBHM - United-Kingdom

Maschine

Progressive Metal - United-Kingdom

Mask Of Bees

Fusion - United-Kingdom

Mask Of Judas

Progressive Metal - United-Kingdom

Mask Of Virtue

Experimental Metal - United-Kingdom

Masque (UK)

Heavy Metal - United-Kingdom

Mass Coma

Grindcore - United-Kingdom

Massacre On Privet Drive

Deathcore - United-Kingdom

Massacre On The Fjords

Progressive Death - United-Kingdom

Massive Bereavement

Drone - United-Kingdom

Massless

Metal - United-Kingdom

Master Charger

Stoner Doom - United-Kingdom

Master's Call

Black Death - United-Kingdom

Mastermind (UK)

Hardcore - United-Kingdom

Masticated

Technical Death - United-Kingdom

Mastiff (UK)

Sludge Doom - United-Kingdom

Matanuska

Hard Rock - United-Kingdom

Mathias

Heavy Metal - United-Kingdom

Matricyde

Thrash Metal - United-Kingdom

Matron (UK)

Death Metal - United-Kingdom

Mausoleum (UK)

Thrash Death - United-Kingdom

Maverick (UK)

Hard Rock - United-Kingdom

Maxdmyz

Industrial Metal - United-Kingdom

May Blitz

Hard Rock - United-Kingdom

McCoy

NWOBHM - United-Kingdom

McQueen

Hard Rock - United-Kingdom

Me Against The World

Metal - United-Kingdom

Meadows (UK)

Sludge Metal - United-Kingdom

Meanders

Doom Metal - United-Kingdom

Meathook Seed

Industrial Death - United-Kingdom

Mechanism (UK)

Thrash Heavy - United-Kingdom

Mechanized Dirge

Technical Death - United-Kingdom

Mechromorph

Brutal Death - United-Kingdom

Meconium

Thrash Death - United-Kingdom

Medraut

Black Metal - United-Kingdom

Medulla Nocte

Crossover - United-Kingdom

Medusa (UK-1)

NWOBHM - United-Kingdom

Medusa (UK-2)

Hard Rock - United-Kingdom

Medusa Touch

NWOBHM - United-Kingdom

Megaton (UK-1)

NWOBHM - United-Kingdom

Megaton (UK-2)

Hard Rock - United-Kingdom

Meggido

Heavy Metal - United-Kingdom

Megiddo (UK)

Black Metal - United-Kingdom

Memorare

Symphonic Black - United-Kingdom

Memoriam

Death Metal - United-Kingdom

Memories Of Old

Symphonic power - United-Kingdom

Men Of Munga

Stoner - United-Kingdom

Mên Scryfa

Doom Metal - United-Kingdom

Men That Follow Hell

Stoner - United-Kingdom

Menace (UK)

Experimental Metal - United-Kingdom

Mendeed

Metalcore - United-Kingdom

Mendes Prey

NWOBHM - United-Kingdom

Menturas

Thrash Metal - United-Kingdom

Menzoberranzan

Black Metal - United-Kingdom

Mephisto (UK)

Black Death - United-Kingdom

Mera

Cyber Metal - United-Kingdom

Merciless Fail

Thrash Heavy - United-Kingdom

Merciless Savage

Black Death - United-Kingdom

Merciless Terror

Thrash Death - United-Kingdom

Mercury Killed Newton

Metalcore - United-Kingdom

Mercury Rain

Gothic Metal - United-Kingdom

Mere Mortal (UK)

Crossover - United-Kingdom

Meresburg

Pagan Black - United-Kingdom

Meridian (UK)

Symphonic Metal - United-Kingdom

Merihim (UK)

Brutal Death - United-Kingdom

Meta-Stasis

Technical Death - United-Kingdom

Metal Castle

Folk Metal - United-Kingdom

Metal Duck

Thrash Metal - United-Kingdom

Metal Messiah (UK)

Thrash Metal - United-Kingdom

Metal Mirror

NWOBHM - United-Kingdom

Metal Virgins

Heavy Metal - United-Kingdom

Metalhead (UK)

Heavy Metal - United-Kingdom

MetalTech

Cyber Metal - United-Kingdom

Metaprism

Melodic Heavy - United-Kingdom

Methuselah (UK)

Heavy Rock - United-Kingdom

Mia Hope

Hardcore - United-Kingdom

Miasma And The Carousel Of Headless Horses

Experimental Metal - United-Kingdom

Mick Jones

Hard FM - United-Kingdom

Microtonal

Thrash Death - United-Kingdom

Midas (UK)

NWOBHM - United-Kingdom

Middenheim

Melodic Black - United-Kingdom