Sigma Lithium Corporation engages in the exploration and development of lithium deposits in Brazil. It holds 100% interest in the Grota do Cirilo, Genipapo, Santa Clara, and São José properties comprising 27 mineral rights covering an area of approximately 191 square kilometers located in the Araçuaí and Itinga regions of the state of Minas Gerais, Brazil. The company was formerly known as Sigma Lithium Resources Corporation and changed its name to Sigma Lithium Corporation in July 2021. Sigma Lithium Corporation is headquartered in São Paulo, Brazil.