In January 2000 Waterleau was created by 5 motivated and driven engineers with many years of experience in water and wastewater technology. Waterleau quickly developed projects worldwide. Nowadays, most of its activity is export oriented, making Waterleau a repeated winner of the 'Lion of the export' trophy.
In 2001 air treatment was added to the technology portfolio by acquisition of the air treatment division of Monsanto Enviro-Chem Systems (St Louis, Missouri, USA), including decades of experience and hundreds of references.
Luc Vriens, inventor of the Unitank system and designer of hundreds of Unitank plants.
The start up of At-Your-Service in 2007, global operations, maintenance and services division.
The acquisition in 2008 of a specialised technology, product and installation comanpy, Schepens Air and Solids.
To support the growth two financial partners have invested in the young company: Erdevel Europa (www.erdevel.com) and Indufin (www.indufin.be). Today, the founding management team still holds 100% of the shares.

Waterleau Group structure
In this way a strong group with more than 225 technology specialists was formed that is working from the heart of Europe through an extensive network of local companies and representative offices (Paris, Beijing, Mumbai, Hong Kong, Macau, Riyadh, Cairo, Porto, Shanghai, Washington,...) and is at home everywhere in the world, close to its clients.
![]() | Equity and quasi equity of the group | 15 million euro |
![]() | Personnel | 225 engineers & specialists |
![]() | Turnover | 55 million euro |
![]() | Order portfolio | 70 million euro |
![]() | Export | > 80% of turnover |
![]() | Investment in R&D and Business Development | > 5% of turnover |
![]() | References | > 1,000 |
2006 data