Weefin

WeeFin is revolutionizing sustainable finance. Our SaaS platform empowers financial institutions to build and scale high-impact sustainability strategies—faster, smarter, and with confidence. By unifying ESG data into a single source of truth and enabling seamless collaboration across teams, we help our clients turn regulatory pressure into strategic advantage. Since launching of the platform in 2021, WeeFin has earned the trust of over 40 clients managing nearly billion in assets. Backed by an international team based in Paris and London, we’re active in 10 countries and growing fast. In 2025, we raised a €25 million Series B to accelerate our growth, expand our product offering, and scale our impact across global markets. 🥇 Recognized as Best Technological Innovation for ESG (Agefi), Member of the Impact 120 Index (Mouvement Impact France), and awarded Best Data Management Initiative for ESG (Data Management Insight A-team)