OCA Ventures is an early-stage venture capital firm based in Chicago, Illinois, established in 1999. The firm specializes in equity investments in companies with significant growth potential, primarily focusing on technology and highly scalable services businesses. OCA Ventures invests across various industries, with a particular emphasis on technology, financial services, education, and healthcare technology.

Over the past two decades, the firm has invested in over 45 companies through three funds, supporting innovative entrepreneurs in building market-leading companies. OCA Ventures partners with proven entrepreneurs to build market-leading companies, complementing management teams with a wide range of strategic, human, and financial resources.