CLEAN is a world-leading cleantech cluster based in Denmark with an international focus. Our mission is to accelerate the green and sustainable transition while realising growth for the Danish cleantech sector.


CLEAN vision is clear: Danish companies shall be world leading within the cleantech sector. We are the innovation room for those who develop clean-tech solutions and for those who need a solution.


We work closely with the Danish environmental ecosystem consisting of companies, knowledge institutions, public actors and others such as industry associations, financial actors and different innovation and business promotion actors. CLEAN work together with our members and the ecosystem in our focus areas: “Water”, “Climate adaptation”, “Air”, “Waste, resources & materials”, and “Soil, water & nature”. We let SMEs, municipalities, entrepreneurs, and knowledge institutions meet and collaborate towards our vision through our focus areas.