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Sumner Group Mining (SGM) is an emerging gold producer in Brazil focused on the development and operation of mining assets and processing (tolling) plants in mineral-rich regions, close to other established global mining companies.

Sumner Group Mining has assembled a network of mining professionals with the track record of building, developing and expanding mining operations in South America.

Operational Excellence

  • Seasoned and experienced multi-disciplinary board and advisors.


  • Committed to operating to the highest safety and environmental standards and creating value for all those impacted by our work on the ground.


Capital Discipline

  • Our management team has a proven track record of developing and commercialising businesses across the globe, as well as in-depth knowledge of capital markets.

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