RWO Veolia
German know-how and quality - Worldwide availability

For almost 40 years our experts develop, design, manufacture and service forward looking and cost efficient technologies for any kind of water treatment onboard ships and offshore installations; Whether for new installations or retrofitting.

Looking back on more than 30 year of experience in the marine water treatment industry and with more than 500 new references per year, RWO continuously extends its expertise while staying close to shipowners and shipyards. This leads to constant product developments based on our experience and proven technologies.

The name RWO stands for highest quality in the marine water treatment technology.

RWO’s network of more than 50 qualified sales/service stations established throughout the world ensure customer benefit from short communication links and rapid response times. Thus, our wide ranging know-how and products as well listening and catering for customer’s needs have established us as THE reliable partner in the maritime economy; more than 15,000 ships and offshore installations are equipped with water treatment systems from RWO.


Since 1975 RWO develops and produces water treatment systems for ballast-, bilge- and all other types of maritime water. As a provider of  holistic solutions for water management on board we place great importance on a comprehensive concept for our customers.

The co-operation with GeMaX completes our global approach perfectly. Moreover the export finance helps us– by offering it additionally to our customers – to create an additional benefit to invest in our high quality and reliable technology. “

Amir Dolan
Manager Business Development
RWO GmbH Marine Water Technology

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