Sofi Filtration
Overview
Sofi Filtration is a Finnish clean-tech company specializing in advanced water filtration technologies aimed at industrial applications. Founded in 2011 by Pertti Rantala, Ville Hakala, and Simo Aho, the company is headquartered in Espoo, Finland. Sofi Filtration is renowned for its innovative solutions that focus on resource efficiency and sustainability, particularly within the mining and industrial sectors. As of November 2025, the company has raised a total of approximately €3.52 million in funding, with significant investments from entities like EIT RawMaterials.
Recent Developments
- November 2025: Sofi Filtration secured a €900,000 investment from EIT RawMaterials. This funding, aimed at accelerating industrial pilots and international expansion, is part of the ERMA Booster and Fast Track programs. The investment will help the company penetrate markets in Türkiye and North America, enhancing their ultrasound-based filtration technology.
- November 2025: The company's groundbreaking Sofi Alchemist technology earned second place in the prestigious EIT Venture Award. This system, the first of its kind to incorporate ultrasound-powered self-cleaning, captures ultra-fine particles down to 0.3 micrometers and is pivotal in recovering valuable minerals from mining sidestreams.
- October 2025: At Terrafame, a Finnish battery chemical manufacturer, Sofi Filtration implemented its Sofi Prima system to enhance nickel sulphate production, demonstrating its filtration technology's role in improving process efficiencies and reducing impurities in battery chemical recovery.
- September 2025: A pilot of the Sofi Alchemist system was successfully conducted at the Pampalo gold mine, operated by Endomines, achieving a significant boost in gold recovery rates, demonstrating the system's applicability in real-world mining operations.
- May 2025: The company participated in the Raw Materials Summit 2025, highlighting its commitment to securing Europe’s access to critical raw materials through sustainable technologies.
Company Information
| Attribute | Information |
|---|---|
| Founding Date | 2011 |
| Headquarters | Espoo, Finland |
| Founders | Pertti Rantala, Ville Hakala, Simo Aho |
| Revenue | Not publicly disclosed |
| Profits | Not publicly disclosed |
| Key Investors | EIT RawMaterials, Voima Ventures |
| Industry | CleanTech, Water Filtration |
| Number of Employees | Not publicly disclosed |
Early History
Sofi Filtration was established in 2011 by Finnish innovators Pertti Rantala, Ville Hakala, and Simo Aho. The founders recognized a growing need for advanced filtration technologies that could efficiently handle the increasing demand for water resource management in industrial settings. Starting with their Sofi Prima technology, they developed an advanced microfiltration system capable of handling fine particles with superior efficiency. The technology caught the attention of industries seeking sustainable and cost-effective water treatment solutions. By focusing on refining their core technologies, Sofi Filtration quickly gained traction and solidified its reputation as a leader in the niche of industrial water filtration.
Company Profile and Achievements
Sofi Filtration has built its reputation on innovative, sustainable water treatment solutions. The company's flagship product, the Sofi Prima, employs advanced ultra-fine filtration to clean industrial process waters effectively. In 2025, they introduced the Sofi Alchemist system, which marked a technical leap by integrating ultrasound-powered self-cleaning into their filtration technology, significantly enhancing the recovery of critical minerals from mining processes. Major milestones include:
- Winning EIT RawMaterials investment: Received €900,000 in 2025 to expand and validate their technologies.
- EIT Venture Award Achievement: Secured second place for the Sofi Alchemist, emphasizing its breakthrough in sustainable mining practices.
- Partnerships and Deployments: Collaborated with major Finnish corporations like Terrafame to refine their battery chemical productions.
- Proven Technological Impact: Demonstrated substantial improvements in resource recovery and process efficiency in real-world mining applications.
Current Operations and Market Position
Sofi Filtration remains at the forefront of the water filtration industry, particularly in sectors requiring advanced mineral recovery solutions. Their technology is instrumental in enhancing resource efficiency and reducing environmental impact in mining and other industrial applications. The company’s market position is bolstered by its strong partnerships and continued growth supported by strategic investments. With a commitment to circular economy principles, Sofi Filtration is poised to expand further into global markets, including Türkiye and North America, where they seek to strengthen their industrial footprint and secure critical mineral supplies.
Conclusion
Sofi Filtration is a pivotal player in the CleanTech space, known for pushing the boundaries of how industries manage water resources sustainably. With innovative solutions like the Sofi Alchemist, the company is not only improving industrial efficiency but also addressing broader environmental challenges. As industries worldwide prioritize sustainability, Sofi Filtration’s technologies position the company to have a substantial impact on the global stage. Future trajectories see them continuing to expand technologically and geographically, potentially becoming a leader in global mineral recovery markets through sustainable practices.