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Day One Capital operates as an early-stage technology investor, managing privately financed funds to support promising ventures. The firm primarily focuses on pre-seed and seed-stage B2B software companies with highly innovative products and demonstrated growth potential. It identifies and partners with technology-driven founders, providing capital and strategic guidance to help them scale globally.
The firm was founded in 2011 by Elek Straub, György Simó, and Csaba Kákosy. Bringing diverse backgrounds in telecommunications, IT, and finance, the founders shared an insight into the untapped potential of early-stage technological innovation within Central Eastern Europe. Their collective experience provides a foundation for identifying and nurturing startups, leveraging their entrepreneurial and corporate expertise.
Day One Capital targets exceptional founders who are developing cutting-edge solutions and aiming to shape future markets. The firm concentrates its efforts on the Central Eastern European region, recognizing its rich talent pool for world-class product development. Its overarching mission is to empower these founders with financial backing and comprehensive support, enabling them to expand their impact and achieve global market leadership.
Key people at Day One Capital.
Key people at Day One Capital.
Day One Capital has 10 tracked investments across 8 companies. The latest tracked deal is $714.0M Pre-Seed in Allonic in February 2026.