MicroVentures is an equity crowdfunding platform that connects investors with early-stage companies seeking capital. Founded in 2009 by Bill Clark in Austin, Texas, the firm has facilitated investments in over 400 companies across various industries, including technology, consumer products, healthcare, media, and telecommunications. MicroVentures operates as a registered broker-dealer with the Financial Industry Regulatory Authority (FINRA) and the Securities Investor Protection Corporation (SIPC), distinguishing itself as the only major equity crowdfunding site with this registration.

This status allows them to offer a broad range of private market investments, including primary and secondary offerings, as well as opportunities under Regulation Crowdfunding. The platform is open to both accredited and non-accredited investors, with minimum investment amounts starting as low as $100. Notable companies that have raised funds through MicroVentures include OpenAI, Stripe, and Neuralink.

The firm charges a 10% fee on successful fundraises, split equally between the company and the investors. As of April 2025, MicroVentures has transacted over $550 million, facilitated more than 1,200 investment opportunities, and attracted a community of over 200,000 investors.