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Finnish CleanTech startup Sofi Filtration raises €900k for critical-mineral recovery technology, supported by EIT RawMaterials to accelerate industrial pilots and international expansion.

PRIVATENov 28, 2025

Amount Raised

€900,000

Round Type

Funding Round

EspooManufacturingWater

Investors

EIT RawMaterials

Description

Sofi Filtration has raised €900k from EIT RawMaterials to advance its ultrasound-based water filtration technology. The funds include €600k from the 'ERMA Booster' programme and €300k from the 'Fast Track' programme. The investment will aid in industrial pilot projects and support international growth into markets like Türkiye and North America. CEO Riina Salmimies highlighted the significance of this funding for commercialisation efforts.

Quick answer

Sofi Filtration raised €900,000 in a Funding Round round, dated November 28, 2025. Investors: EIT RawMaterials. Sofi Filtration is based in Espoo, Uusimaa, Finland.

How much did Sofi Filtration raise?
Sofi Filtration raised €900,000 in a Funding Round round on November 28, 2025.
Who invested in Sofi Filtration?
EIT RawMaterials is named as investors in this round.
What does Sofi Filtration do?
Sofi Filtration specializes in advanced fine filtration, using our patented technology across mining and mineral processing, power plants, construction, and the pulp & paper industry.
Where is Sofi Filtration based and how big is it?
Sofi Filtration is based in Espoo, Uusimaa, Finland.
Who are the decision-makers at Sofi Filtration?
Fundz holds 1 contact at Sofi Filtration. Names and contact details are shown to Fundz members.

Source: Fundz verified event record.

Who else raised in Water and Manufacturing around the same time

Companies in the same sectors as Sofi Filtration that raised within 45 days of this round, from Fundz verified event records.

  • Hadrian raised $131M on December 19, 2025.
  • Vital Lyfe raised $24M (Seed) on December 16, 2025.
  • Hello Klean raised $2M (Debt Financing) on November 24, 2025.
  • SUPWAT raised $1.3M (Pre-Series A) on January 12, 2026.
  • Avenue Biosciences raised $5.7M (Seed) on January 12, 2026.
  • Polar Light Technologies raised $5.8M (Funding Round) on January 12, 2026.

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Company Information

Company

Sofi Filtration

Location

Espoo, Uusimaa, Finland

About

Sofi Filtration specializes in advanced fine filtration, using our patented technology across mining and mineral processing, power plants, construction, and the pulp & paper industry. We help customers overcome persistent (ultra)fine filtration challenges—improving valuable material recovery, reducing chemical consumption, and increasing water efficiency. Our innovative mechanical self-cleaning technology enables highly efficient filtration with minimal intervention and no chemical use, ensuring reliable and consistent performance.

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Sofi Filtration raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.

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