January 2000: Five engineers with many years of experience in the water and wastewater technology create WATERLEAU. The new Environmental Solutions Provider quickly developes projects worldwide.
2001: WATERLEAU adds air treatment technology to its portfolio with the acquisition of the air treatment division of Monsanto Enviro-Chem Systems (St Louis, Missouri, USA). This first step in WATERLEAU's diversification strategy leads to the acquisition of decades of experience and hundreds of references in the air treatment domain.
Luc Vriens, CEO and inventor of the Unitank system and designer of hundreds of Unitank plants.
2007: In order to service it's clients all over the world, WATERLEAU creates At-Your-Service, it's global operations, maintenance and services division. WATERLEAU creates subsidiaries in Hong Kong and Macau in order to strenghten it's presence in the Asian market.
2008: WATERLEAU acquires Schepens Air and Solids, a specialist in the development and production of strategic parts of air treatment and sludge treatment plants. WATERLEAU opens its subsidiary in Morocco.
2009: WATERLEAU merges its Belgian legal entities. To support the growth two financial partners have invested in the young company: AQUA RESOURCES FUND Ltd (LSE) (www.aquaresourcesfund.com) and IDUFIN (www.indufin.be). Today, the founding management team still holds 100% of the shares.
2011: WATERLEAU further develops its global presence and opens subsidiaries in China, India, US, Egypt, Turkey, Algeria and Brazil.

WATERLEAU Group structure
Today, a team of more than 280 technology specialists 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 | 25 million euro |
![]() | Personnel | 280 engineers & specialists |
![]() | Turnover | 63 million euro |
![]() | Order portfolio | 200 million euro |
![]() | Export | > 85% of turnover |
![]() | Investment in R&D and Business Development | > 5% of turnover |
![]() | References | > 1,000 |
2010 data