[8] The Flenser was founded in 2010 by former musician Jonathan Tuite in San Francisco, who originally intended to focus the label on the American black metal scene at the time.

[12] In March 2019, the label held a two-night showcase in New York City headlined by Have a Nice Life with Planning for Burial, Wreck and Reference, Elizabeth Colour Wheel, Midwife, and Consumer.

[15][16] A Flenser showcase was planned for the 2020 edition of the Roadburn Festival in the Netherlands to celebrate the tenth anniversary of the label, but it was canceled due to the COVID-19 pandemic.

[18] The label hosted a showcase at the Oblivion Access festival in Austin, Texas in June 2023 featuring Have a Nice Life, Chat Pile, Planning for Burial, Mamaleek, Bosse de Nage, Drowse, Sprain, Ragana, Amulets, and Agriculture.

[19][20] In 2024, the label will release Your Voice is Not Enough, a Low tribute album dedicated to the late Mimi Parker, the group's drummer, which was organized before her passing.