featured expertise
WHO WE ARE

Team of multifunctional problem solvers.

About the company

We’re more than a manufacturer of advanced water treatment systems, we’re your partner in performance accountability, shared liability and progress.

Rethink Aqua is a forward-thinking company based in Portugal that specializes in sustainable water management solutions. Established in 2022 with a commitment to addressing the global water crisis and enhancing regional water resilience, Rethink Aqua collaborates with customers and strategic partners to resolve complex water challenges.
The acquisition of Aqua Unique in Norway in 2023, an advanced water treatment technology company group with over 35 years of experience in water management, has further strengthened Rethink Aqua’s capabilities and focus.
This has also allowed strengthening of sustainable practices to other key areas such as biosecurity and wastewater handling for hospital, food and aquaculture applications as well as handling of micropollutants in intake and discharge water in a range of applications cross industries.

Rethink Aqua is dedicated to provide sustainable solutions that not only address immediate water challenges but also promote long-term environmental stewardship. Our strategic initiatives are designed to foster collaboration and innovation, ensuring that we meet the diverse needs of our clients while contributing to the broader goals of sustainability.

Corporate Integrity and Long-Term Strategic Outlook

Rethink Aqua is built on a foundation of corporate integrity and sustainable business practices. Transparency, ethical operations and a strong commitment to environmental stewardship are at the heart of its culture.
With an eye on long-term growth, it invests significantly in modernizing its technology and fostering global partnerships. In 2025 a new Aqua Unique Unipessoal Lda entity was established in Portugal to ensure further focus on providing intelligent and industry 4.0 integrated solutions across all our business sectors.

Our forward-thinking strategic initiatives are designed to expand our global reach while ensuring water treatment solutions evolve alongside regulatory requirements and the broader challenges of water scarcity.

By continuously refining our methods and leveraging our consolidated expertise of over 35 years, we aim to secure a leading role in shaping the future of sustainable water management.

Innovation and Customer Engagement

Rethink Aqua champions continuous research and development to stay at the forefront of the water treatment sector. Our dedicated R&D team leverages advanced technologies ranging from next-generation membrane filtration and UV disinfection systems to smart Industry 4.0 digital monitoring to continually enhance water quality and system efficiency.

We work closely with academic institutions, industry partners, contract manufacturing organizations (CMOs) and local stakeholders to tailor solutions that address specific water challenges. This collaborative approach not only refines our technology but also ensures that each treatment system is both effective and adaptable to diverse operational demands.

Our CTS (Challenge, Think & Solve) approach to bring continious improvement

Challenge
Every great solution starts with identifying the problem correctly. In this phase, we question assumptions, uncover obstacles and define the challenge with clarity. By understanding the core issue, we set the foundation for effective problem-solving and long-term success.
Think
With the challenge defined, it’s time to explore possibilities. This step focuses on critical thinking, creativity and strategy, allowing us to analyze data, brainstorm ideas and evaluate potential solutions. The goal is to develop a roadmap that leads to real impact and measurable success.
Solve
Execution is everything. Armed with insights, we implement solutions, optimize strategies and measure results. Our approach ensures that challenges are transformed into opportunities while helping clients achieve their business and project outcomes, creating sustainable success for the future.

Our mission is to drive water circularity, minimize waste and promote long-term environmental stewardship for a better tomorrow.

Rethink Aqua is committed to revolutionizing water treatment through innovation, expertise and sustainability. With over 35 years of consolidated experience, we deliver efficient, safe and reliable water solutions that empower proccess industries and aquaculture alike.
By integrating advanced technologies, strategic partnerships and responsible practices, we enable sustainable water management across diverse sectors. Our approach is designed to reduce environmental footprints, strengthen local resilience and promote global sustainability in water usage.

rethink aqua at a glance 
PER HENRIKSEN, FOUNDER CEO

We are grateful to all our customers, partners and not least our employees, for joining us on our journey to create a better future.