Shaping the Future of Sustainable Business Together

 From Vision to Impact: Hand's on Leadership for a Greener, Cleaner and Happier Tomorrow

Sum-E is a specialized consultancy firm with a core focus on sustainable technologies and strategies.
Built on over 20 years of international industry experience, Sum-E bridges advanced engineering, cutting-edge innovation, and forward-thinking clients. The company operates at the intersection of green innovation and pragmatic implementation, supporting businesses in making no-regret decisions toward a sustainable future.

At the heart of Sum-E is an experienced interim manager and director with a strong background in automotive engineering and organizational development. Having led an international subsidiary as Managing Director for over six years, he combines deep technical expertise with strategic leadership. His proven strengths lie in building stable organizations, optimizing processes, and driving growth — even under adverse conditions such as economic downturns, cyberattacks, and global disruptions like COVID-19.

Through a hands-on and forward-looking approach, Sum-E helps organizations navigate the energy transition with clarity and confidence.

We work internationally and are fluent in Dutch, German and English.