Mainsail invests exclusively in bootstrapped companies. Why do we focus on bootstrapped companies? We believe founders and management teams of bootstrapped businesses possess a unique level of passion, commitment and work ethic. We respect the culture of discipline and capital efficiency required to build a business with minimal outside capital. We appreciate that your business was built with highly valued products and services at its core. We believe in your business because we have been in your shoes.
200 California Street
San Francisco, CA 94111