About us


ZZENCO - ENGINEERING EXCELLENC e.U. was founded in 2016 by Dipl.-Ing. Dr. Johannes Zunzer as an international Engineering- and Consulting company.

Firm name

ZZENCO stands for ZUNZER ENGINEERING CONSULTING - the adding ENGINEERING EXCELLENCE at this time is our mission.


The success of your company is our focus - we want to accompany your way as a partner.


ENGINEERING EXCELLENCE - High quality services are our concerns.


ZZENCO stands for open and respectful conduct towards stakeholders - hearing, understanding, act.




Market & clients

Our market is not strictly defined - the services of ZZENCO focusses on firms and people, looking for external support in the fields of project management, engineering and consulting in the area of industrial engineering. we have experience in renewable and fossil fired energy production, oil & gas and pulp & paper.

What's out business

We provide services in the area of project management, engineering and consulting based on economic and techncial experience.

Who we are

We are experience and well educated engineers, working in the business areas energy, pulp & paper as well as in the oil & gas industry. We are focussed on our strength. A network of experienced and partner brings us in the position to provide services from one source.