Mainsail Partners

Private Equity

Growth equity firm founded in 2003 investing in bootstrapped, founder-led B2B software and AI-enabled companies. Headquartered in Austin and San Francisco, the firm has raised nearly $4 billion in committed capital and partnered with 100+ companies over 22+ years, pairing capital with operational support in talent, product, and go-to-market to help software companies scale into category leaders.

San Francisco, United States · 9+ investments

Growth
SaaS
Cybersecurity
Fintech
Healthcare
Headquarters
San Francisco, United States
Founded
2003
AUM
$4.0B
Total Investments
9
Last Investment
Jul 2024
Geographic Focus
United States

Investment Thesis

We invest in enterprise software and wellness companies.

Mainsail Partners is a Private Equity firm based in San Francisco, United States. It has made 9 investments in SaaS and Cybersecurity.

Investment History

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