Mainsail Partners
An Austin and San Francisco growth firm with a $1.535B seventh fund, investing $10M to $75M exclusively in bootstrapped B2B software companies. If a founder never raised venture money, Mainsail's entire model is built for that conversation.
| Headquarters | Austin, Texas |
|---|---|
| Fund size / AUM | Fund VII $1.535B (2025) |
| Check size / target EBITDA | Equity investments $10M-$75M |
| Sector focus | B2B software (vertical software, fintech, security, healthcare IT, select horizontal) |
| Strategy | Growth |
| Add-on acquisitions | Active add-on acquirer |
| Website | mainsailpartners.com |
Compiled from Mainsail Partners's website and public announcements. Numbers change as new funds close; treat this as a starting point, not a term sheet. Report a correction.
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