About Geo

About us

Geo was born from the discontent of a team of visionary entrepreneurs in the 2000s, enchanted by the advancement of biodigestion technology and aware of the vital role of biogas in the country's production chain and in reducing carbon emissions.

Since then, we have combined the concept of efficient gas generation with the potential of the Brazilian agro-industry, adapting the technology to the tropical environment and bringing the first biogas plant to the sugarcane and energy sector in Brazil.

With over a decade of experience, our technology continues to evolve constantly, achieving scale and competitiveness. Today, Geo represents the realization of a bold and innovative vision for solutions using renewable carbon, including biogas production, clean electricity generation, and advanced biofuels production, designed to meet the needs of our partners.

Furthermore, we are committed to providing renewable and biogenic carbon as high-quality raw material for other high-value products, such as Sustainable Aviation Fuel (SAF) and biomethanol.

We are shaping the future of energy from renewable sources, contributing not only to the reduction of carbon emissions but also to the development of innovative solutions.

As part of this journey of evolution, we have chosen a subtle yet significant update to our brand, now known as Geo bio gas&carbon.

We are the energy of the future, today!

Alessandro Gardemann

Alessandro Gardemann

Geo bio gas&carbon Director

Alessandro Gardemann founded Geo in 2008, when he started dedicating himself to the development of Biogas in Brazil. He was one of the founders of the Brazilian Association of Biogas (ABiogás), where he is currently the chairman of the administrative board. The executive has a degree in Business Administration from EAESP-FGV, having previously worked in the financial market.

Our vision

Our history


Come dream with us!

Be part of the revolution for a sustainable agro-industry.

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