Mainsail Partners
Overview
Mainsail Partners is a growth equity firm that invests in bootstrapped B2B software companies to help them realize their full potential.
Investments
| Company | Date | Stage | Lead |
|---|---|---|---|
| Boostlingo | Aug 2021 | Growth Equity | Lead |
| TEXO | Nov 2023 | Growth Equity | Lead |
| FieldFlo | Oct 2025 | Growth Equity | Lead |
| Extensiv | Apr 2021 | Growth Equity | Lead |
| Red Oak Compliance Solutions | Jun 2023 | Growth Equity | Lead |
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Key People
C. Jason Payne
Co-founder & Senior Advisor
Chris Cassidy
Operating Partner
Anthony Hayes
Partner
David Farsai
Partner
Jason Frankel
Partner
Phil Stern
Partner
Duke Skarda
CTO Mentor Board Advisor
William Salisbury
Partner, Chief Financial Officer and Chief Compliance Officer
Garret Jackson
Vice President
Tollie Brown
Vice President
Heather Booms
Principal, Finance
KC Wulff
Principal
Andrew Fay
Software Investor
Gary Shetye
Software Investor
Justin Streicher
Software Investor
Paul Meyer
Growth Equity Investor
For institutional investors. Book with your work email.
Sector & Stage Mix
Industry, funding stage, and valuation band breakdowns.
FAQ
Where is Mainsail Partners based?
Mainsail Partners is headquartered in Austin, Texas, United States.
When was Mainsail Partners founded?
Mainsail Partners was founded in 2003.
How many portfolio companies does Mainsail Partners have?
Mainsail Partners has 34 portfolio companies in Caplight's dataset.
What are some companies in Mainsail Partners's portfolio?
Portfolio companies visible on Caplight include Boostlingo, TEXO, FieldFlo, Extensiv, Red Oak Compliance Solutions.
What was Mainsail Partners's most recent investment shown here?
Mainsail Partners's most recent investment in this portfolio sample was in FieldFlo in 2025.
What sectors does Mainsail Partners focus on?
Mainsail Partners focuses on Enterprise Software, Enterprise Software, Enterprise Software, Enterprise Software, Enterprise Software, Healthcare & Life Sciences, Enterprise Software, Enterprise Software, Enterprise Software, Enterprise Software, Enterprise Software, Enterprise Software, Enterprise Software, Enterprise Software, Cybersecurity, Enterprise Software, Enterprise Software, Enterprise Software, Enterprise Software, Enterprise Software, Enterprise Software, Enterprise Software, FinTech, Healthcare & Life Sciences, Enterprise Software, Enterprise Software, FinTech, Enterprise Software, Enterprise Software, Enterprise Software, FinTech, Real Estate & PropTech, Real Estate & PropTech, Mobility, Transportation & Logistics, Enterprise Software, Enterprise Software, Enterprise Software, Enterprise Software, Mobility, Transportation & Logistics, Real Estate & PropTech, Enterprise Software, FinTech, Consumer & Commerce, Frontier & Industrial Tech, Healthcare & Life Sciences, Enterprise Software, Enterprise Software, Frontier & Industrial Tech, Enterprise Software, Real Estate & PropTech, FinTech, Real Estate & PropTech, Frontier & Industrial Tech, Frontier & Industrial Tech, Mobility, Transportation & Logistics, Mobility, Transportation & Logistics, Mobility, Transportation & Logistics, Frontier & Industrial Tech, AI, Data & Cloud Infrastructure, AI, Data & Cloud Infrastructure, Real Estate & PropTech, FinTech, FinTech, Frontier & Industrial Tech, Cybersecurity, AI, Data & Cloud Infrastructure, Consumer & Commerce, Frontier & Industrial Tech.
What company stages does Mainsail Partners focus on?
Mainsail Partners typically invests at the Late stage.
What is Mainsail Partners's AUM?
Mainsail Partners's assets under management are estimated between $1.0B and $10.0B.