Find Swedish Cleantech companies

The Käppala Association treats wastewater from over 500 000 inhabitants in eleven municipalities located north and east of Stockholm. Our treatment plant, the Käppala wastewater treatment plant, is Sweden’s third-largest, and employs a very effective treatment process.

Before the Käppala plant started operating, huge amounts of raw sewage were discharged into local watercourses, lakes and the Stockholm archipelago. This caused problems involving disease transmission and environmental pollution.

Laqua Treatment AB offers soil-plant systems and filter systems.

Leif Åhl Verkstad develops and markets equipment for purification of contaminated water, small wastewater plants and systems for purification of hydraulic oil directly during ongoing operation.

Leksand Environmental Protection’s mission is to perform sludge handling and flushing of sewers. This is done to 80 percent on behalf of Leksand, Rättviks and Gagnefs municipalities through the municipal jointly owned company Dala Water Company.

Wash & Circulation Systems of Scandinavia AB has developed a system where residue products and used wash water are treated as a resource instead of waste problems.

“Our Vision is to improve the quality of life for people who live in developing countries” through provision of Biochar cookstoves, Biochar water filters and affordable means of electrification (charging of phones and light).

Malmberg is a clean-tech company with a global focus on pure energy, clean water in the field of biogas, water treatment and geoenergy.

Marinfloc AB supplies water treatment solutions to the marine and offshore market.

Matseco AB is a company that has specializes in offering energy-saving, environment purification solutions.

Medins Biologi is one of the leaders on the Swedish market in the field of environmental consulting, specialising in investigations and surveys of ecosystems in streams, lakes and seas.

Mellifiq is a multi-awarded environmental service company group, that since the early nineties has evolved into a world leading system and solution provider with multiple groundbreaking applications for industrial, municipal, and real estate clients. Mellifiq supplies cutting-edge technologies to manage the most sophisticated air, water, and energy challenges.

Mercatus has Europe’s broadest programme for the purification of coolants, oily water, dye water, washwater, condensation and water from biological purification.