Mumzy was born and raised in Plaistow, East London, he is of Bangladeshi origin, raised in a traditional Bengali Islamic home. He is the second youngest of the six in his family. He started to be interested in music at the age of 11. He was influenced by music by his brothers' music collections. His development of his music however was not supported by much of his family and developed it secretly, but did have support from his mother. His music roots are from the underground sounds of UK garage.