treeze Ltd. (treeze GmbH) is a specialized life cycle assessment consultancy based in Uster, Zurich, Switzerland. Led by internationally recognized LCA authority Dr. Rolf Frischknecht, the firm builds on more than two decades of foundational involvement in LCA methodology development and database architecture.
The company provides targeted, scientifically robust consulting to industry associations, manufacturing corporations, research institutions, and governmental bodies such as the Swiss Federal Office for the Environment (FOEN/BAFU) and the International Energy Agency (IEA).
treeze Ltd. has played a key role in defining national and international LCA standards, contributing extensively to the Swiss Ecological Scarcity Method (Method of Ecological Scarcity / UBP), Product Environmental Footprint (PEF) pilots, and critical reviews worldwide.