Veolia Water Technologies

Veolia Water Technologies provides the complete range of services required to design, build, maintain and upgrade water and wastewater treatment facilities and systems for industrial clients and public authorities.

The leading water treatment technologies, from a partner you can trust


Our portfolio of more than 350 technologies features everything from online diagnostic solutions to evaporation and crystallization, energy-producing sludge treatment, state-of-the-art desalination, laboratory-grade water and mobile water services.

One of our over 130 business units around the world is close to you to ensure you receive local service adapted to your culture and market needs.

Treating water and wastewater

We know how to reuse and recycle water and also extract maximum value. Our cutting-edge edge water treatment technologies:

  • treat and reuse wastewater
  • produce and recover energy
  • extract raw materials
  • create valuable byproducts



Our experts deliver the water treatment solutions that improve the quality of people’s lives in communities around the world. The performance of these installations depends on the creativity and commitment of our more than 9,000 employees. 

Our sustainable approach in reducing carbon and water footprints limits the impact on the environment and on natural resources.

That is why industrial clients and communities trust us to ensure their safety and to meet the most stringent performance standards.

Serving municipal and industrial clients worldwide, our business units:

  • deliver engineering and turnkey design & build projects
  • provide client-tailored water treatment solutions and associated services


Key Figures

  • € 1.7 billion revenue in 2018
  • Local presence with a worldwide network of experts and 130 local business units
  • 8,360 employees, of which 60% are researchers, engineers and project managers
  • Over 350 proprietary technologies

Global network & local expertise

Major Subsidiaries

These specialist subsidiaries have specific expertise or are responsible for a geographical area.

Sidem (and its subsidiary Entropie) designs and builds large desalination plants for industrial and municipal needs.

Elga, the laboratory water specialists.

RWO specializes in water treatment solutions for the maritime industry.

OTV designs, builds, maintains and/or upgrades facilities and systems for drinking water, wastewater, sludge and waste treatments. website in French only