S28 Capital

S28 Capital is an early-stage venture fund based in San Francisco, California, focusing on investing in software and technology B2B businesses. The firm primarily targets product-driven applications, developer tools, and infrastructure stacks such as data and security. They write checks ranging from $1 million to $5 million, typically leading or co-leading Seed rounds, and also participate in follow-on rounds including Series A, B, and beyond. Their portfolio includes companies like Plangrid, Mattermost, Rippling, Reflektive, Gravitational, Social Construct, and Perpetua.

The team comprises operators and entrepreneurs who have built and scaled consumer and enterprise startups, collectively hiring thousands of employees, raising over $200 million in venture capital, and creating over $2 billion in enterprise value. They have a global perspective, having invested in regions such as the United States, Canada, United Kingdom, Poland, Israel, Turkey, France, and Asia.

S28 Capital's investment philosophy centers on supporting founders through all stages of their journey, leveraging their experience in managing hyper-growth and navigating challenges like layoffs. They aim to be a venture firm that founders wish they had when building their companies, offering not just capital but also strategic guidance and operational support.