We purify water based on state-of-the art nanotechnology.

VTA – the abbreviation stands for ‘Verfahrens Technologische Abwasseraufbereitung’, meaning ‘wastewater treatment driven by process engineering’

VTA is an Austrian group which is successful all over the world. We develop and create innovative system products and technologies which set standards in the waste water and environmental engineering sector. These high-performance, cost-efficient and sustainable solutions are inspired by nature and its cycles.


Treatment of the wastewater produced daily by more than 250 million people.
Current annual production of over 130,000 tonnes.
Individual complete solutions precisely tailored to specific customer requirements
Supply of thousands of municipal and industrial wastewater plants
Innovative technologies and years of experience with over 70 patents
More than 450 employees worldwide.

No distance is too far for VTA!

The VTA Group already operates successfully in more than 65 countries. We supply thousands of municipal wastewater treatment plants as well as numerous customers in various industries worldwide.

At its headquarters in Rottenbach (Austria) and at six other locations in Europe, VTA produces ecologically fully compatible high-end processes for the safe, sustainable and economical optimization of wastewater treatment.

VTA Weltkarte


VTA AUSTRIA GMBH was honoured with a bronze medal from EcoVadis, an award given to the top 35% of companies. This reflects the quality of the company's sustainability management system and demonstrates its commitment to promoting transparency along the value chain.

12. Kitzbühel Water & Energy Symposium



On October 16 and 17, 2024, Kitzbühel will be transformed into a hotspot for visionaries and movers and shakers in the wastewater and energy sector.

New top location: 

A breathtaking environment for inspiration and networking. 

Burning issues:

Climate, energy, CO2 balance, replacement of the 4th purification stage - the key issues for the future. 

Top celebrity speakers:

Be inspired by the best minds in the industry. Who are they?
That remains our closely guarded secret. Perhaps it will be revealed in the next Info!       

Don't miss your chance to be part of this exclusive event.    

Register now and secure your place at this highlight! 

Price of the contribution towards expenses:
€ 85,00 (We have kept the price from last year and decided not to increase it)

Price of the rooms: 
Single room € 179,00
Double room € 199,00

Register now!     

VTA - we clean water

Our purity requirements

More than 30 years of experience

Seal icon


VTA is an ‘Austrian Model Company’. Our company has now won this award from Quality Austria (ÖQA, the Austrian Association for the Promotion of Quality) ten times in succession. The first-class quality of VTA products is endorsed by the ‘Austria Quality Seal’.

Austrian Model Company

Creditworthiness certificate

The Creditreform creditworthiness certificate confirms VTA's economic strength as well as its solid and healthy corporate situation.

Ing. Mag. Dr. h. c. Ulrich Kubinger
Managing Director / CEO VTA Group

‘At VTA, we think in cycles. We not only treat wastewater, we also pay attention to the environment as a whole.’