30 years
of experience in the energy sector
150 clients
for strong and sustainable partnerships worldwide
500 projects
national and international successfully completed



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We shape the energy transition for you
We focus on energy efficiency and a sustainable transformation in many areas of renewable energy. For us, the energy transition is a fundamental and fascinating milestone for people and the environment.


Innovation in action: explore our project highlights
We use our innovative strength to realise demanding and sustainable customer projects. By combining our experience and knowledge, we master even the most difficult challenges. But why not look beneath the surface for yourself?
Growing together, thriving individually: Your career with us!
The continuous development and satisfaction of our employees are very important to us. We quench their thirst for knowledge, arouse curiosity and encourage creativity. In this way, we ensure that everyone can contribute their individual skills to the team and surpass themselves at all times.

Real experience, real satisfaction
“Together with ESK as technical project manager, we were able to successfully implement the major natural gas conversion project in Osnabrück on schedule.”
Christian Lüttkemöller
Head of Business Process and Project Development, Project Manager Market Area Conversion at SWO Netz GmbH
Project figures:
Technical project management for 50.000 meter points, survey and adaptation for 7.000 meter points; 25 switching times between April and October 2019; characteristics of the projects: close switching times and overlapping of switching districts, challenge of a large city
“The good balance between process adherence and pragmatism was just as important for the success of the project as the strong team spirit across all company boundaries.”
Matthias Kramer
Grid Engineer MS/NS/gas, Grid Development Planning, Project Manager Market Area Conversion, Syna GmbH
Project figures
Technical project management, survey and adaptation for 45.000 meter points; switching times in 2020 and 2021; characteristics of the projects: large grid area, peak of the corona pandemic at switching times
“ESK's wealth of experience as a project manager has provided the best starting conditions for our project.”
Michael Bußmann
Technical Director, Project Manager Market area conversion, SWTE Netz GmbH & Co. KG
Project figures
Technical project management for 20.000 meter points; survey and adaptation for 8.500 meter points; 2 switching times in 2020; characteristics of the projects: concession changes during ongoing project, overall responsibility for sub-project management
“The ESK team provided us with optimum support in all processes and ensured that the market area conversion from high to low calorific gas went smoothly.”
Bernd Possehl
Project Manager Market Area Conversion, T.W.O. Technische Werke Osning GmbH
Project figures
Technical project management, survey and adaptation for 5.000 meter points; 2 switching times in 2019; characteristics of the projects: complex stakeholder management, pilot phase for today's material process
“The high degree of flexibility in dealing with challenges at ESK as well as the constructive and solution-oriented cooperation has resulted in active improvement of processes constantly being optimised.”
Julia Schade
Project Manager Market Area Conversion, Rhein-Sieg Netz GmbH
Project figures
Technical project management for 70.000 meter points, survey and adaptation for 40.000 meter points; 10 switching times 2019 and 2022; characteristics of the projects: combination of urban and rural areas, temporal overlap of survey and adaptation phase
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Certified competence: focus on our quality!


Contact Us!
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Feel free to call us or write us an email.