blue activity offers the industry’s only fully biozid-free solution at industrial scale for treating cooling water in industrial applications. The company positions its biology-based approach as safer for equipment, cheaper for customers and better for the environment. It serves a market the article cites as worth $14.5 billion. blue activity recently raised €8.5M in a Seed round from Wind Capital and Venture Stars. With the new funding the company is preparing for a Series A, building internal structures and processes, and recruiting a Co-Founder / Co-CEO to help lead the next growth stage.

Total raised

$10M

Funding rounds

1

Latest round

Seed

Latest activity

Mar 2026