Mainsail Partners

Provider of growth equity to bootstrapped, founder-led, business-to-business software companies

placeSan Francisco, California, United States calendar_todayFounded 2003 groups76 employees language mainsailpartners.com

Social engagement: 14.5K social following, 9 posts in the last 12 months — around the industry typical range.

1 investor on record.

Investor type	Count	Share
Private equity	1	100%

1 Jul 2026

Recognition

17 Jun 2026

Partnership

Mainsail AI Labs

4 Jun 2026

Event

Leading an AI-First Company: build for trust, not magic

Coming soon