Flex Capital

Flex Capital is a venture capital firm founded by experienced CEOs who are also active investors. The firm focuses on early-stage companies, from seed to Series B, with a commitment to empowering founders. Their portfolio includes over 200 companies, such as Chime, Coinbase, Niantic, StockX, GetYourGuide, Marqeta, and Datavant. Flex Capital emphasizes trust and growth over control, aiming to be the first call for founders seeking to transform breakthrough ideas into world-changing companies.

Flex Capital is a $200 million early-stage venture firm led by founder-CEOs, investing in bold, technical teams at pre-seed and seed stages. Founded in 2008, the firm is based in San Francisco, California, and has made 44 investments across 40 portfolio organizations. Their most recent investment was on July 15, 2025, when Heron Data raised an undisclosed amount. The firm has raised a total of $199.6 million across two funds, with their latest being Flex Capital Fund II, L.P.

Flex Capital's investment strategy is to partner with world-class founders across various domains, focusing on big visions that push the boundaries of what is technically possible. They are generalists, investing in companies across every domain, and make decisions in under a week to respect founders' time. The firm is committed to supporting founders by introducing them to customers, strategic angels, and top-tier investors for future rounds, and by not burdening entrepreneurs with cumbersome requests or legal fees. Their average check size is $500,000, and they reserve a significant part of their $150 million Fund II for follow-on investments.