Welcome to HEAS!
HEAS AG (also HEAS SA and HEAS LTD) is a Swiss stock corporation, which carries out high level training, consultancy, research and trading activities in the field of Energy and Sustainable Development in Europe and worldwide.

HEAS is a grouping of high level senior energy consultants (engineers, economists and social scientists) with a longstanding industry, consultancy and teaching experience


HEAS has recently absorbed International Energy Consultants (IEC) LLC.

All of our consultants have previously worked for major international energy companies, for international consulting companies and/or for international energy or finance organizations, and have thus acquired a unique experience which they will put at your disposal in order to help you address your specific needs.

Our particular strength consists in solving complex and interdisciplinary issues (technical, economic, (geo)political, environmental, financial, regulatory...) where our mix of high level experts is particularly useful.

Our expertise covers practically all energy sources/technologies (oil, gas, coal, electricity, nuclear, renewable energy, energy efficiency, sustainable development...) and our services include:

  • Energy transition
  • Market analysis
  • Cost benefit analysis
  • Infrastructure assessment
  • Development of energy (gas, electricity...) master plans
  • Scenario building
  • Energy and business strategy development
  • Regulatory issues
  • Financing issues
  • Oil & Gas trading

HEAS carries out energy consultancies worldwide: Europe, Russia & CIS, Middle East, Africa, Asia, North and South America.


If you are interested to know more about our services and how we can be useful to solve your problems, please contact us at:

info (at) heas.ch