Competitive Landscape
Competitors of Mainsail Partners
The leading market alternatives to Mainsail Partners in 2026 include ABS Capital, Five Elms Capital, Level Equity and further verified platforms. Comparative intelligence benchmarks verified product capabilities, monetization models, and ecosystem positioning.
Direct Competitors
Verified direct market alternatives and primary competitors of Mainsail Partners.
Growth equity investor focused on B2B software and tech-enabled services.
United States · Est. 1990 · 10–49 team
Growth equity investor focused on software businesses.
4801 Main Street, Suite 700, Kansas City, MO 64112 · 50–200 team
Growth equity firm for lower middle-market software businesses.
140 East 45th Street, 29th Floor, New York, NY 10017 · Est. 2009 · 50–200 team
Software-focused private equity investor and strategic capital provider.
2180 Sand Hill Road, Suite 300, Menlo Park, CA (as listed on LinkedIn) · Est. 2000 · 50–200 team
Nordic B2B software private equity investor and active portfolio developer.
Sweden
Growth equity investor for durable growth-stage technology companies.
1131 4th Avenue South, Suite 440, Nashville, TN 37210 · Est. 1986 · 10–49 team
Software-focused private equity and venture investment firm.
1114 Avenue of the Americas, 36th Floor, New York, NY 10036, US · Est. 1995 · 501–1,000 team
Growth investor focused on B2B software and applied AI.
8 Spadina Ave Suite 2100, Toronto, ON M5V 0S8 · Est. 2008 · 50–200 team
Companies in the same market segment
The following companies operate within the same market segment ("Vertical B2B Software Private Equity"). Category assignment is verified; this does not imply a direct competitive relationship.
Private investment firm focused on high-growth B2B SaaS companies.
800 Newport Center Drive, Suite 100, Newport Beach, CA 92660, United States · Est. 2019 · <10 team
Growth equity firm backing software and internet businesses.
551 Madison Avenue, New York, NY 10022 · Est. 2019 · 10–49 team
Growth equity investor with in-house operating support.
590 Pacific Avenue, San Francisco, CA 94133 (principal business office reported in SEC filings). · Est. 2018 · 50–200 team
US venture capital firm investing across software and infrastructure.
United States
Growth equity investor in B2B software and AI companies.
535 Boylston Street, Suite 601, Boston, MA 02116 · Est. 2016 · <10 team
Early-stage venture capital firm backing software founders.
11100 NE 8th St, Suite 200, Bellevue, WA 98004 · 10–49 team
Seed-stage venture firm focused on B2B software startups.
11611 San Vicente Blvd, #650, Los Angeles, California 90049, United States · Est. 2017 · 10–49 team
Early-stage venture capital for software and internet companies.
447 Broadway, 2nd Floor, New York, NY 10013 · Est. 2013 · 10–49 team
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