A clean and safe environment

Our goal is to make solving environmental problems easy. We offer the latest and most advanced solutions for remediating contaminated sites and producing renewable energy.


International forerunner

We work passionately with over 20 years of successful history. In the core of our operations is creating value for our clients by solving environmental problems.




  • Large selection of technologies
  • Experienced personnel
  • Over 20 years track record




  • Over 800 successful projects
  • Recommended by 9/10 clients
  • Hundreds of satisfied customers




  • Continuously evolving forerunner
  • Two key divisions:
    • Contaminated sites
    • Renewable energy


Jeppo Biogas Oy Ab biogas plant

The biogas plant, designed and delivered by Doranova Oy in co-operation with the german Weltec Biopower GmbH was commissioned in fall 2013. The biogas plant receives 90.000 tonnes of waste […]

Learn more

Biokymppi Oy biogas plant

BioKymppi’s biogas plant located in Kitee, Finland is processing different sort of biodegradable waste and energy plants. By digesting organic raw materials the plant produces biogas from which the energy […]

Learn more
Find more references here
Toteutus: unfair.fi & varikas.fi