Sergey Perminov was born on 16 September 1968 in Leningrad. In 1995, he graduated from the Adyghe State University. From 2000 to 2012, he worked as a lawyer at the St. Petersburg City Bar Association. From 2008 to 2010, Perminov served as a representative of the Legislative Assembly of Saint Petersburg in the qualification commission of the Bar Association of St. Petersburg. In 2013, he became the Vice Governor of Leningrad Oblast. On 17 September 2020, he became the senator from Leningrad Oblast.
