LiqTech International, Inc

LiqTech International is a clean technology company that designs and manufactures ceramic silicon carbide filtration products and automated purification systems. Its core business spans liquid filtration systems, ceramic diesel particulate filters, and plastic components, with products used in water treatment, marine, industrial, chemical, and oil & gas applications.

−40,1 %

7,6 %

−51,7 %

3.38

2.01

— LiqTech International, Inc
%
Ceramic membranes and filtration media35% Proprietary silicon carbide membranes and filters used in liquid purification and separation.
Liquid filtration systems40% Integrated systems for pool water, marine scrubbers, industrial wastewater, and process fluids.
Diesel particulate filters10% Ceramic DPF components used to reduce soot and black carbon emissions from diesel engines.
Plastic components and fabrication10% Machined, welded, bent, and solvent-cemented plastic parts for industrial and life-science customers.
Aftermarket and service5% Installation support, spare parts, and service for deployed filtration systems.

LiqTech sells to commercial and industrial customers that need filtration for aggressive fluids, wastewater, or...

  • Marine and shippingprimary

    Buys scrubber and water-treatment filtration systems to meet emissions and water-quality requirements.

  • Industrial wastewater and process industriesprimary

    Buys systems for mining, steel, chemicals, petrochemicals, and heavy-metals removal.

  • Oil & gassecondary

    Buys tailored filtration for produced water and related process streams to improve compliance and reuse.

  • Commercial pool filtrationsecondary

    Buys pool water filtration systems and aftermarket support for clean-water performance.

  • Plastics fabrication customerssecondary

    Buys machined and fabricated plastic components for regulated and precision applications.

Production is centered in Denmark, with offices and operations in the Copenhagen area and Hobro, while the company also...

  • Manufacturing is centered in Denmark, where products are shipped from
  • U.S. presence includes Fort Worth and a Texas service center
  • China operations include Nantong and Shanghai, with a marine R&D facility
  • Sales are supported by distributors and agents across 25+ countries
  • International shipping and trade policy affect cost, delivery, and demand

LiqTech is focused on commercializing its silicon carbide technology across end markets with regulatory and...

01
New product and application developmentmedium-term

Broader use cases can increase the addressable market for the core silicon carbide platform.

02
Penetration of existing end marketsshort-term

The company already has reference customers in marine, pool, wastewater, and oil & gas.

03
Geographic expansion and localizationmedium-term

Local service, spare parts, and R&D can improve customer response and execution in key markets.

The company remains exposed to operating losses, working-capital pressure, and the need for additional funding, which...

high

Liquidity and going-concern pressure

The company has a history of operating losses and may need additional funding to support operations.

Scope
Cash burn, financing access, and covenant flexibility
Materiality
high
high

Trade tariffs and export restrictions

The company manufactures in Denmark and sells internationally, so tariffs can raise costs and reduce demand.

Scope
China and cross-border supply chains
Materiality
high
medium

Geopolitical and shipping disruption

War, sanctions, and Red Sea/Russia-Ukraine instability can interrupt delivery and customer service.

Scope
Global shipping lanes and multi-jurisdiction operations
Materiality
medium
medium

Energy cost volatility

Kiln operations and manufacturing are energy-intensive, so higher power prices can compress margins.

Scope
Denmark and European manufacturing base
Materiality
medium
medium

Cybersecurity and IP protection

Proprietary membrane technology and customer data create exposure to theft or disruption.

Scope
IT systems, production continuity, and intellectual property
Materiality
medium
Revenue recognition
Affects reported revenue, cost of sales, and quarterly comparability
Inventory valuation
Directly affects gross profit
Warranty reserves
Affects gross margin and operating expense estimates
Receivables allowance
Affects bad debt expense and operating results
Long-lived asset impairment
Can create non-cash impairment charges

: 28.4.2026