ACO. we care for water

The family enterprise ACO is one of the world market leaders in the field of drainage technology. We protect the environment with innovative products and future-oriented system solutions.

ACO was funded by Josef-Severin Ahlmann in 1946. And now ACO has become the worldwide leading supplier in surface water management, building drainage and building material, and it is still under the management of Ahlmann family.ACO has a presence in over 40 countries, with a total of 30 production sites on five continents. With a global workforce of more than 5000.