About LiqTech


Get to know LiqTech

Welcome to LiqTech

We are experts in advanced membrane filtration technology for the purification of liquids and gasses. We deliver the know-how you don't need to have - and deal with processes you don't need to worry about.

LiqTech is a highly specialized business. Sharply focused on the industries where we believe our technology and application expertise can make the greatest difference. Flexible set up to deliver to your special needs - where ever you are. And proud to be pioneers when it comes to solving complex filtration challenges.

Our advanced membrane filtration systems help to ensure a high-quality end product; they also work to optimize your production. By removing treatment steps and protecting other equipment upstream and downstream. Ensuring an efficient and reliable operation.

So, you might call on us to provide filtration technology. But we would like you to think of us more as your partner. The one who protects your processes and the quality of your end product. The one that helps to free up resources so you can run a profitable and sustainable business.

Your success is our success

0 locations
90 employees at LiqTech
0 years of experience

Want to Be a Part of Our Journey?

Be a part of one of the most innovative companies in the filtration industry.

We are always looking for talented employees ready for a sustainable journey.

Check out our vacancies

Investing in LiqTech

Fast-growing and innovating filtration company with focus on sustainable growth.

LiqTech is a US-listed technology company headquartered in Denmark. For more than 20 years, it has been at the leading edge in developing and marketing its proprietary products to the environmental industry.

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Your Success is Our Success

1 years of experience in the filtration industry
2499980 large vehicles retrofitted with our Diesel Particulate Filters
280 water treatment systems installed worldwide

Learn More About Our Solutions

  1. Liqtech Water Treatment Specialist

    Water Treatment Solutions

    Innovative Membrane Systems
  2. Liqtech Ceramic Membranes And Diesel Particulate Filters

    Ceramic Membranes
    & DPF

    Membranes, Housings & DPF

Our History

Follow the LiqTech timeline

  • 2000

    LiqTech was established

    LiqTech was founded and opened an office and production in Copenhagen to produce novel SiC membranes technology for liquid filtration.

  • 2000

    First membrane prototypes produced

    Fundamental research and first SiC manufacturing.

  • 2002

    High-performance DPF's developed

    A range of high-performance SiC diesel particulate filters entered the automotive market for cleaner air.

  • 2006

    SiC membrane technology development

    New membrane commercialized to meet the stringent environmental requirements.

  • 2014

    Acquisition of systems manufacturer

    In 2014, LiqTech acquired the operations of Provital Solutions A/S, a Denmark-based water solutions company.

  • April 2019

    LiqTech listed at Nasdaq

    On April 17, 2019, LiqTech was ringing the Closing Bell at the Nasdaq Stock Market in New York.

  • September 2019

    Acquisition of plastic manufacturer

    In Sep 2019, LiqTech acquired the operations of BS Plastic A/S (now LiqTech Plastics A/S). BS Plastic was founded in 1958 as a provider of machined and welded plastic parts.

  • December 2020

    Hybrid membrane technology development

    In Dec 2020, LiqTech announced the new asymmetric Hybrid Technology Membrane (HTM) that combines the desired properties of silicon carbide (SiC) and zirconia (ZrO2) ceramics.

Quality Management Team

Putting the SDGs into Practice with ISO 9001

We are ISO 9001 certified!

On top of having a superior Quality Management System and Leadership, this is a useful tool to make us rise to the challenge of contributing to an improved future. This certificate enhances our ability to develop, manufacture, and deliver products and services that comply with customer demands as well as regulatory and legal requirements.

For each of the 17 SDGs, ISO has identified the standards that contribute to the most significant impact. At LiqTech, we contribute with consensus, collaboration, and innovation of unique filtration technologies to purify liquids and gases to combat a future without clean water and healthy environments.

See LiqTech ISO 9001 Certificate
Plastic piping

In Need of Innovative Plastic Solutions?

At LiqTech Plastics, we unite humans and machines. We advise you on the best plastic solution with your needs as a starting point.

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