Mikey Necrosis is a symphonic black metal project from Newmarket, England, formed in 2016. The project layers orchestral grandeur over fierce black metal.

Mindline is a symphonic power metal band from Jyväskylä, Finland, formed in 2011. They combine symphonic orchestration with power metal's anthemic energy.

Mirrorthrone is a progressive/symphonic black/death metal band from Lausanne/Montreux, Switzerland, formed in 2015. They forge extreme metal at the fierce intersection of black and death metal.

Misleading Ways is a symphonic gothic metal band from Schmölln, Germany, formed in 2023. They weave orchestral grandeur into gothic metal atmospheres with dramatic, cinematic compositions.

Misophonia is a symphonic and melodic death metal band from Glasgow, Scotland, formed in 2012. They layer symphonic arrangements over melodic death metal from the Scottish scene.

Missing Limb is a symphonic/progressive metal band from Assendelft, the Netherlands, formed in 2018. They craft intricate progressive compositions with technical ambition.

Mistwander is a symphonic black metal band from Oulu, Finland, formed in 2013. They layer orchestral grandeur over fierce black metal from northern Finland.

Mitigate are a melodic death metal band from Vienna, Austria, formed in January 2006 by Rene Szopinski (vocals, guitar) and Markus Foitik (vocals, bass). The band blends melodic death metal with symphonic and thrash elements, as heard on their debut 'Welcome to Our World' (2007) and the follow-up 'A New Day' (2011). They have operated independently throughout their career, releasing material through their own channels.

Mjolne is a symphonic black metal band from Norway, formed in 2025. They layer orchestral grandeur over fierce black metal foundations.