De Groene Jongens

About

Founded in 2015, De Groene Jongens is a private headquartered in Utrecht, Netherlands with approximately 10-50 employees specializing in Energy Storage.

De Groene Jongens solves sustainability challenges in the built environment through integrated advisory services. The multidisciplinary team of 14 specialists focuses on three core areas: energy efficiency, circularity, and indoor health. Services include EED energy audits, building performance calculations (BENG, MPG, LCC), certifications (BREEAM, WELL, GPR, BCI), and subsidy applications (DUMAVA, MIA/VAMIL). The firm has advised over 500 sustainability projects in approximately 8-10 years, combining early-stage design consultation with detailed technical calculations to achieve long-term business cases and CO2-neutral solutions.