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Pioneering research and consulting for the sustainable, secure, and fair energy system of the future
Ecofys (TNO Energy Transition) offers applied research and strategic consulting for the energy transition.
Independent B2B performance index (0–100 points) for service providers. It is calculated mathematically and without subjective influence from four verified pillars: stability and experience, aggregated feedback from publicly available online sources, documented quality and industry certifications, and transparency about services and terms. Comparable with other service providers.
BenchTrust Index weighting: Stability & experience 20 points · Customer reviews 30 points · Quality & certification 25 points · Transparency about services & terms 25 points. Without reviews a neutral average is used; a few reviews move it only slightly
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Headquarters
Anna van Buerenplein 1, 2595 DA Den Haag, Netherlands
Employees
4500
Founded
1932
Management
Tjark Tjin-A-Tsoi
Ecofys (now integrated into TNO Energy Transition) is a leading European partner for applied research and strategic consulting in the field of energy transition. Founded in 1932 and headquartered in The Hague, Netherlands, the organization combines scientific excellence with practical solutions. With an interdisciplinary team of around 4,500 experts, TNO supports governments, businesses, and NGOs in accelerating the transition to a reliable, affordable, and fair energy system. Its range of services includes in-depth system studies, techno-economic analyses, and the development of social science methods for decision-making. TNO acts as an independent innovation partner, providing non-technological tools and scenarios for climate-neutral energy systems. By combining the former Ecofys expertise with TNO's extensive research resources, the organization offers sound policy advice and market analyses along the entire energy value chain. Core areas include industrial decarbonization, the integration of renewable energies, and the design of future-proof market models.
No verified certifications (such as ISO 27001 or SOC 2) are currently listed for this provider. Information about compliance with standards such as GoBD or GDPR may still be available.
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Answers are based on the website and documents of Ecofys (TNO Energieübergang).
The latest updates from Ecofys, embedded within the TNO Energy Transition unit, highlight an increased focus on strategic decarbonization solutions and technology-driven consulting for European industrial and government stakeholders. By combining scientific research with practical market expertise, new analytical tools for the decarbonization of heating and electricity grids have been introduced. These partnerships and feature releases are specifically aimed at supporting B2B clients in complying with strict European climate regulations and ESG guidelines.
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