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About us

Breaking Barriers in Geothermal. Engineering What’s Next.

We are GA Drilling - a pioneering force in hard-rock drilling and geothermal well construction. We exist to break through the geological, technical, and economic barriers holding deep geothermal back. With bold engineering, autonomous systems, and real-world deployment, we’re unlocking a scalable, 24/7 renewable energy source the world can rely on.
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Our mission
Deliver clean energy 
solutions that power humanity for generations to come.
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Our Values

What Drives Us

Most geothermal development today is constrained by where conventional drilling can reach. Our technology changes that.
Creativity
We think big and push boundaries, always seeking fresh perspectives and new paths that others might miss.
Ownership
We take personal responsibility for our actions and outcomes, driving results and delivering impact.
Courage
We take bold steps, embrace challenges, and learn from setbacks, forging ahead no matter what.
Trust
Trust is our foundation. We empower each other to take bold steps, knowing we can rely on mutual respect, transparency, and shared goals.
Exceptionality
We deliver excellence in the things that truly matter, setting ourselves apart in the world of energy and innovation.
The team

Our Team
& Founders

Antony Branch
President of Global Operations
30+ years in the energy sector with a track record in regional expansion and scaling global operations for major producers.
Igor Kočiš
Chairman and Founder
20+ years of engineering, business, and leadership experience. Serial entrepreneur in energy and IT. Named among Europe’s Top 100 Innovators.
Tomáš Krištofič
Co-Founder / CTO
20+ years leading R&D in automation, electronics, and embedded systems. Specialist in downhole communications and harsh-environment reliability.
Dušan Kočiš
Co-Founder / COO
Business development and operations leader. Oversees day-to-day execution and strategic partnerships.
Liam Lines
Senior Director of Engineering and Technology
15+ years in downhole tool engineering and deployment. Expert in managing international tech teams.
Strategically Placed.
Globally Positioned.
Headquarters – Technology Center
Bratislava, Slovakia
Office
Houston (USA)
Office
Bristol (UK)
Office
Rio de Janeiro (Brazil)
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REcognitions

Proven.
Protected.
Recognized.

20+ Patents Filed and Granted
Covering breakthrough innovations in plasma drilling, downhole anchoring, coiled tubing deployment, and autonomous control systems.
Solar Impulse Foundation
Recognized as a clean, profitable, and feasible solution with positive environmental impact.
European Horizon 2020 Programme
Awarded the Seal of Excellence for innovation and societal relevance.
FPAL Achilles Programme
Verified supplier for Health & Safety, Quality Management, and Competency Training.
ISO Certified
Certified Quality and Environmental Management Systems in R&D for natural sciences.

Ready to Future-Proof Your Energy?

Want to see how geothermal can deliver reliable, low-carbon power for your operations?
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