Who we are

About us

Josab Water Solutions, a Swedish company, aspires to set the gold standard in providing environmentally-friendly and cost-effective drinking water and wastewater treatment solutions for municipalities, villages, and remote regions. Our commitment is to ensure access to high-quality water for all through cutting-edge, reliable, and ecologically sound technologies.

Our collaborative network spans across Europe, India, and China, forming a multicultural group united by the universal language of water. Drawing from our diverse expertise, we design and offer innovative, efficient, and practical solutions that contribute to expanding access to this essential resource and safeguarding the natural environment through clean technologies.

Josab Water Solutions has successfully implemented drinking water systems in over 25 countries, bringing clean water to regions devastated by war and natural disasters. Notably, we are the sole company globally that has built its foundation on utilizing zeolitic materials to create eco-friendly, cost-effective mobile potable water plants for villages and remote areas. As pioneers in the use of technology with minimal reagent and energy consumption, we have provided clean and safe water to the world's most underserved populations. Our unwavering dedication ensures that the price of water does not become a barrier, and we aim to offer our customers both healthy water and cost-effective solutions that can also stimulate local employment.

Supplying water is a noble endeavor that carries significant ethical, social, and environmental responsibilities, guiding our choices to ensure that our solutions benefit everyone and the planet. We prioritize collaboration with those who will operate our systems, emphasizing efficiency, durability, and simplicity, all while striving to minimize our ecological footprint.

Since April 2023, Vimab Group AB has taken a majority controlling stake in Josab. For more information about Vimab Group AB, please visit vimabgroup.com.

How it All Began

Our story began in the early 80s when Jan-Olov Sparrman traveled to Italy and discovered very special minerals named: zeolites. He found these natural materials with exceptional properties have been used since antiquity for water treatment. Jan-Olov Sparrman founded Josab in 1986 and created the most advanced water treatment process based on the use of a particular zeolite, located in Ratka in Hungary.

In the early 2000s, Josab acquired the Ratka mine in order to guarantee its supply and the constant quality of the filter media. Then, very quickly Josab became a major player in water treatment in crisis zones by providing hundreds of mobile units with the support of international organizations such as UNESCO, UNHCR and the Red Cross. We are proud to have been able to help populations in distress in Grozny, in Myanmar (Burma) and many other places in the world.

Josab expanded its international presence by establishing subsidiaries in Hungary and India and subsequently went public in 2013. In 2022, Josab Water Solutions began diversifying its technical expertise by venturing into wastewater treatment and embracing ultra-innovative and eco-friendly technologies.

This step is essential to become one of the major players worldwide in green solutions for treating water and waste.


Peter Fredell

Board member / Chairman

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Gunnar Jardelöv

Board member

Anna Bonde

Board member


Jane Jeppsson


Henry Koskela


Wilfrid Balmer


Zhiyuan Zhong


our story

A history of innovation

Who choose us
JOSAB's water treatment systems are recognized by the most important NGOs