“Onesto’s mission is to make sustainable homeownership accessible for everyone,” commented Hans Vermeulen, CEO of Onesto. “Joining SEFA will amplify our efforts to create flexible, eco-friendly mortgage solutions and strengthen our renovation guidance. We believe this partnership will help our customers achieve energy efficiency and long-term cost savings while contributing meaningfully to Europe’s sustainability goals.”

By tapping into SEFA’s ecosystem of financial institutions, project developers, energy service companies (ESCOs), and Cities, Onesto will benefit from collaborative efforts focused on mobilizing capital for sustainable projects, enhancing cross-sector collaboration to remove market barriers, and driving energy efficiency policy initiatives.

“We are thrilled to welcome Onesto to SEFA,” said John O’Rourke, Chairman of SEFA. “Their focus on flexible mortgage products and tailored renovation support perfectly aligns with our vision for creating a more energy-efficient and resilient housing market. We look forward to fostering new synergies that benefit both Onesto’s customers and our collective goal of driving sustainable change.”

About Onesto
Onesto is a financial services company committed to making homeownership accessible and environmentally responsible. By providing flexible mortgage solutions and expert renovation guidance, Onesto enables homeowners to optimize their properties for comfort, efficiency, and sustainability.

About SEFA
The Sustainable Energy Finance Association is a global organization dedicated to accelerating sustainable energy investments through innovative financial solutions, capacity building and policy advocacy. SEFA connects public and private stakeholders to create impactful partnerships and drive climate-neutral development.

For more information about SEFA and the Sustainable City Network, please contact Telvin Kulecho, Communications and Membership Officer, telvin@sefaeu.org