Colsen, founded by Joop Colsen in 1989, has developed into an international expert in the field of water, sustainable energy and the environment in recent years. With offices in the Netherlands, Italy, Spain and South Africa and a global partner network, we can provide local support, driven by our desire to find solutions. Short lines of communication, flexibility and innovation come first in all the branches of this family business. By working with technology experts, designers and project teams, we provide our customers with sustainable, tailor-made solutions, working on today’s practice and tomorrow’s innovation.