About us

GFA Entec AG, established 2014 in Switzerland, is based on a long-standing relationship between GFA Consulting Group GmbH and Entec AG.

Entec AG, founded 1993, builds on more than two decades of experience in consulting, engineering and project management.

GFA Entec completely incorporates the operational branch of Entec, including its contracts, networks, and references in consulting and engineering.

Due to its extensive experience in renewable energy development and rural electrification in Europe, Asia, Africa, and Central and South America, GFA Entec is especially qualified to deliver services in challenging environments. While executing a multitude of projects in the energy sector, GFA Entec's experts have provided exceptional results in a broad range of topics related to technology, economics, financing, management, regulatory frameworks, project design, and organizational strengthening.

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Managing Directors


Dr. Klaus Altemeier – Managing Director

Director and shareholder of GFA Consulting Group, is an economist with more than 30 years experience in development cooperation. 


Ulrich Theuerkauf Managing Director

Manager of the GFA Consulting Group energy team for Europe, Middle East and Africa, is a political scientist with more than 20 years of experience in development co-operation.