Mainsail Partners

About Mainsail Partners

Mainsail Partners is a growth equity firm that partners with bootstrapped software companies to help them scale, achieve market leadership, and accelerate growth. The firm focuses on B2B software and SaaS businesses, providing strategic guidance, capital, and resources through a founder-friendly, culture-driven approach. With offices and portfolio activity in major tech hubs, Mainsail supports portfolio companies across growth stages to optimize product, sales, and talent development. The firm emphasizes hands-on collaboration through a dedicated Growth Team and AI-enabled initiatives to drive long-term value for founders and investors.