adelphi is the leading independent think-and-do tank in Europe for climate, environment and development. We are some 350 strategists, thought leaders and practitioners working at the local and global levels to find solutions to the most urgent political, economic and social challenges of our time. As a policy consultancy, we support a just transition towards carbon neutrality and sustainable, livable societies. Our work is grounded in transdisciplinary research, evidence-based consulting and stakeholder dialogues. With these tools we shape policy agendas, facilitate political communication, inform policy processes and support decision-makers.
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The adelphi annual revenue was $14.3 million in 2026.
Sebastian Muschter is the CEO of adelphi.
200 people are employed at adelphi.
adelphi is based in Berlin, Berlin.
The NAICS codes for adelphi are [541, 54, 5417].
The SIC codes for adelphi are [87, 873].