Clean is the innovation space for those who develop and need to solve water and environmental challenges.
Clean is The Danish Water and Environmental Cluster and our vision is for Danish companies to be world leaders in the water and environmental field. We are the innovation space for both those who develop water and environmental solutions and those who need to solve water and environmental challenges.
The water and environmental technology sector
71.000 +
full-time jobs in the sector, of which 49,171 jobs in water and environmental technology companies
165,2 B
DKK 119.1 billion in turnover in the cluster, of which DKK 119.1 billion in water and environmental technology companies
57,4 B
DKK in exports, of which DKK 52.8 billion in water and environmental technology companies
3.7 %
of the whole Danish export comes from the water and enviornmental sector
9.700 +
scientific articles published regarding water and environmental technology from 2018 to 2023
839
water and environmental technology companies in Denmark
The Danish Water & Environmental Cluster
Clean membership
Innovation
You can expect concrete activities tailored to promote innovation in your company.
New markets
You can explore new markets and expand your company’s international presence.
Network
You’ll have the opportunity to meet your next customer, supplier, investor, or business partner.
Knowledge
As a member, you get access to unique research and the opportunity to shape the future of water and environmental technology knowledge.
Visibility
We showcase our members nationally and internationally and share your company’s success stories.
Projects
You’ll have access to a wide portfolio of projects in areas such as circular economy, water, waste and resources.
Latest news
All news
2. Mar 2026
From Reliable Pump Operations to Restoring Marine Life
26. Feb 2026
Clean Insights report : When rain becomes a system challenge
25. Feb 2026
New Interreg project to pioneer stormwater solutions across borders
19. Feb 2026
Danish experience on a Korean scale
3. Feb 2026
New recruitment methods strengthen Danish companies’ access to international specialists
16. Jan 2026
5 key EU funding programmes: Has your project found the right fit?
2. Jan 2026
From idea to testing: Vibration sensor helps RUNI predict wear on expensive machine parts
Events
All events
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