Sterner AS
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Technology for
clean water

Our markets


Consolidating our experience in four key segments allows Sterner to develop leading technologies in water treatment.

We develop

Innovative technologies ensuring optimum water quality

Water is a resource we borrow from nature. It is crucial that we return it of the same quality as it was when we brought it into the system. Take a look at our comany movie, to see more of what we do here at Sterner.

Our references

Client cooperation is the basis

Close cooperation is a key part of how Sterner works. We have specialized in tailoring clients needs and challenges into solution. As a team we create smart systems that work. See our references here.
The technology of the future

A large staff of specialists with a wide experience

For more than 30 years Sterner has been developing solutions for water treatment with new technology. Today Sterner holds a large working force of engineers with broad expertise, and together we constantly strive to develop the most innovative and optimum solutions. Our highly skilled staff consists of specialists in hydraulics, energy, design, automation and biology, all in specialized fields. Read more…

We constantly develop our technology – and innovation has been the key to our success. We are always in search for new, future-oriented and sustainable solutions.

Our values

Our technology holds a strong focus on sustainability

We work continuously to develop technology that is sustainable and part of the new circular economy. There is only one future, and we should all shape it for the best of ourselves.

Our service team is always available

Quick response

With 24-hour service and on-call telephone 24/7, we are here for your support and needs

Quality products

We only use certified high quality products with documentation

High competence

Our engineers are skilled and trained to taking all challenges head on


With offices throughout Norway, we are always close by


We have a large selection of spare parts and components

Our store of spare parts and components is fully quipped All components are carefully selected to hold high quality. Spare parts and key components for water treatment are available in our online store

You will find us throughout Norway

With offices from Lofoten in the north to Porsgrunn in the south, you can be sure of a fast response and close follow-up no matter where you are located.
Work with us

Would you like to be part of our team?

At Sterner, you get to work with the solutions of the future in water treatment. We work within a wide range of disciplines, and we are engaged in four markets: aquaculture, drinking water, maritime and wastewater treatment.

Whether you are passionate about engineering work, building process solutions, crazy about electricial systems, automation or 3D construction, you may find exciting working opportunities at Sterner.

We are a large group of dedicated people, a supportive and unified force with a fine working environment. The company is growing, so we are constantly hiring people. Maybe you are the one we are looking for?