what we do

Providing global expertise in energy and commodities markets developed over decades of experience

Hartree has operated successfully around the world in global energy and commodities markets since 1997 (when we were founded as Hetco). At the forefront of the wholesale energy market, we have gained experience, in-depth knowledge and insight in a wide range of physical and financial commodities and markets. We provide this intellectual capital across a variety of services for our customers.

Discover what we do


A dynamic trading team using world-class analytics

At its core, Hartree is a global energy and commodities trading company. We are positioned at the nexus of commodity production and consumption, extracting value along the supply chain. With decades of institutional knowledge, we use macro and granular analytical techniques, deploying “big data” to create an edge in our physical and financial trading, investing and financing operations. At the same time, our flat organizational structure and strong collaborative culture mean our traders and investment professionals are empowered to act quickly and creatively, seizing opportunities that benefit the organization and our customers.


In-depth market knowledge of physical and financial commodities

We are active in a wide-range of energy, commodities, and financial markets, including:

  • Energy
  • Metals
  • Renewables
  • Ags/Softs
  • Securities
“We use in-depth market knowledge, a deeply analytical approach, and a risk management emphasis to optimize trading results. We build long-term relationships with our customers by providing them with our global trading expertise.”

Stephen Semlitz, Founding Managing Director


Offering a comprehensive and ethical solution to the complex demands of marine fuel procurement

Hartree Marine is a single source for expert guidance and responsible service so customers can make the best fueling decisions for each ship voyage.  We offer fuel from vetted suppliers around the world, and our own physical supply locations are expanding.  We focus on building a long-term partnership with our customers by providing excellent service and dynamic solutions for managing their risk and carbon footprint.

To find out more about our trading activities get in touch
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