High Purity Green and Sustainable Lithium, Responsibly Sourced
Dedicated to powering the next generation of electric vehicles
Positioning Brazil as a leader in the global supply chain of materials for the energy transition with environmentally and socially sustainable operations.
The only Global producer of Triple Zero Green Lithium: zero carbon, zero tailings, zero hazardous chemicals
One of the largest, highest grade and lowest cost hard rock lithium producers in the world.
One of the largest producers of pre-chemical lithium concentrate in the world.
Our state-of-the-art Greentech plant at Grota do Cirilo features 100% dry-stacked tailings, 100% clean energy, 100% recycled water and zero hazardous chemicals.
Ushering a New Sustainability Standard in the Battery Materials Industry
Sigma has a net-zero operation
Strong Commitment to a Positive Environmental and Social Impact
Developing best-in-class environmental practices to preserve our ecosystems and providing transformative initiatives to drive social inclusion and prosperity.
ESG Comes First
Focused on the following three pillars: sustainable development; minimizing the environmental impact of our operations; and improving the lives of those in and around the region where we operate
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Microcredit Program for Female Entrepreneurs
Targeting 10,000 female entrepreneurs with the goal of encouraging sustainable development by providing microcredit loans and providing mentorship programs
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Zero Drought / Water for Everybody Programs
Consist of the construction of 3,000 water tanks to be donated to residents without access to piped water and the construction of 2,000 rainwater capture structures in the region of mid Jequitinhonha Valley
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Homecoming Employment Program
Committed to prioritizing hiring people local to the Jequitinhonha Valley region and reuniting the local social fabric
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Latest Press Releases

Aprill 27, 2023
Sigma lithium trucks green lithium and tailings to vitoria port in preparation of 15,000 tonne shipment of each product in may

April 17, 2023
Sigma Lithium initiates production of green lithium: zero tailings and low carbon

April 10, 2023
Sigma Lithium awarded the environmental operating license with unanimous approval and scales up social initiatives; first production on schedule to commence in april 2023

April 10, 2023