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LiqTech International, Inc. LIQT
$1.91 $0.042.14% NASDAQ
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Company Overview

LiqTech International, Inc. is a clean technology company specializing in advanced filtration products and systems based on proprietary silicon carbide (SiC) ceramic membrane technology. The company operates primarily in the water treatment, marine, and industrial filtration industries, providing solutions designed to improve water quality, reduce emissions, and enhance operational efficiency. Its core offerings are used in applications such as wastewater treatment, drinking water purification, and marine exhaust gas cleaning systems.

The company’s primary revenue drivers are the sale of membrane-based filtration systems, replacement membranes, and related engineering services. LiqTech serves industrial customers, municipalities, and marine operators, with a strategic focus on regulatory-driven markets requiring high-performance filtration. Founded as a technology spin-out in Denmark and later incorporated in the United States, LiqTech International became publicly listed on Nasdaq in 2011 and has since evolved from a component supplier into a systems-level solution provider with vertically integrated manufacturing capabilities.

Business Operations

LiqTech conducts its operations through vertically integrated business activities encompassing membrane manufacturing, system design, and turnkey filtration solutions. Its major operating focus is the Water Treatment segment, which includes industrial wastewater reuse, municipal water treatment, and specialty industrial applications. The company also maintains exposure to the Marine Scrubber market, supplying filtration systems used in exhaust gas cleaning systems to comply with international maritime emissions regulations.

Manufacturing of SiC membranes is primarily conducted through its Danish subsidiaries, notably LiqTech Ceramics A/S, which produces the core ceramic membrane components. System assembly, engineering, and commercial activities are supported through operations in both Europe and the United States. LiqTech generates revenue through direct system sales, long-term service agreements, and recurring replacement membrane sales, providing a mix of project-based and recurring revenue streams.

Strategic Position & Investments

LiqTech’s strategy centers on expanding adoption of its SiC membrane technology in high-growth water treatment markets where durability, chemical resistance, and lifecycle cost advantages are critical. The company has emphasized growth in municipal and industrial water reuse, supported by increasing global water scarcity and tightening environmental regulations. Management has also indicated a strategic shift toward higher-margin water treatment applications relative to the more cyclical marine scrubber market.

Historically, LiqTech has pursued targeted acquisitions and internal investments to strengthen system integration capabilities and commercial reach, particularly in Europe. Its key operating subsidiaries, including LiqTech Water A/S and LiqTech Ceramics A/S, form the backbone of its technology development and production. The company continues to invest in membrane performance improvements and system standardization to enhance scalability and profitability.

Geographic Footprint

LiqTech International is headquartered in the United States, with significant operational and manufacturing presence in Denmark, reflecting its technological origins. The company maintains sales and project activities across Europe, North America, and parts of Asia, particularly in regions with stringent environmental standards and active infrastructure investment.

Internationally, Europe represents a core market due to strong regulatory drivers for water treatment and marine emissions compliance. North America is a growing focus area, particularly for municipal and industrial water reuse projects. LiqTech’s global footprint is characterized by centralized manufacturing in Europe and geographically diversified commercial operations supporting project-based deployments worldwide.

Leadership & Governance

LiqTech is led by an executive team with experience in advanced materials, industrial manufacturing, and international operations. The company’s leadership emphasizes technology differentiation, regulatory-driven growth, and disciplined capital allocation as central elements of its strategic vision.

Key executives include:

  • Fei ChenChief Executive Officer
  • Poul R. PedersenChief Financial Officer

The company was originally founded by Danish technologists, including Bent Faurholdt, who played a significant role in the early development of its silicon carbide membrane technology. Information on additional executive roles and recent governance changes is limited in publicly available sources, and certain leadership details are data inconclusive based on available public sources.

Data complied by narrative technology. May contain errors

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