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Mainsail Partners
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Mainsail Partners

https://mainsailpartners.com
Last activity: 11.02.2026
Active
Invests in categories: SoftwareManagementServiceBusinessFinTechPlatformDataHealthTechIndustryTechnology
Mainsail Partners is a growth equity firm with offices in Austin and San Francisco that invests exclusively in fast-growing, bootstrapped software companies. The firm has raised over $1.3 billion and invested in more than 50 growing companies since 2003. Mainsail prioritizes investments in B2B software companies with compelling business models in growing markets. The firm’s approach to driving value creation is anchored in a dedicated Operations Team that is purpose-built to help founders scale their businesses and accelerate growth. These women and men include former software company operators who leverage real-world experience, well-established best practices, and a true partnership ethos to support management teams. For more information, visit https://mainsailpartners.com.
Portfolio
55
Persons
24
Mentions
75
Location: United States, California, San Francisco
Employees: 51-200
Founded date: 2003
Investment Type: Venture Capital
Investment Stage: Private Equity

Portfolio 55

DateNameWebsiteTotal RaisedLocation
27.10.2025FieldFlofieldflo.com$35M-
24.10.2025CourtReser...courtreserve.com$54M-
15.10.2025Flyntlokflyntlok.com$36MUnited Sta...
26.08.2024Rentvinerentvine.com$74MUnited Sta...
01.08.2024INNERGYinnergy.com$44MUnited Sta...
21.03.2024Teamfrontteamfront.com-United Sta...
17.11.2023LinenMaste...linenmaster.com-United Sta...
20.07.2023ProShop ER...proshoperp.com$32MCanada, Br...
20.07.2023Red Oak Co...redoakcompliance.com-United Sta...
14.12.2022Instinct S...instinct.vet-United Sta...
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Persons 24

DateFirst NameLast NameTitleLinkedInLocation
-ReginaRiojasAssociatelinkedin.c...-
-TaylorMcKinleyPartnerlinkedin.c...-
-ColtenHabeckerAssociatelinkedin.c...-
-HannahYerexAssociatelinkedin.c...-
-HenryPrenticeAssociatelinkedin.c...-
-AniaFurtakDirector o...linkedin.c...-
-CleoNguyenDeputy Chi...linkedin.c...-
-JaclynZaleskySenior Ope...linkedin.c...-
-RebeccaGlattSenior Dir...linkedin.c...-
-GavinTurnerManaging P...linkedin.c...-
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Mentions in press and media 75

DateTitleDescription
11.02.2026GrowthCap Announces The Top Growth Equity Firms of 2025GrowthCap is pleased to announce The Top Growth Equity Firms of 2025. NEW YORK, Feb. 11, 2026 /PRNewswire-PRWeb/ -- GrowthCap is pleased to announce The Top Growth Equity Firms of 2025. In a market that's more competitive and complex than e...
14.12.2025Steelhead Technologies: $84 Million Growth Investment Raised From Mainsail PartnersSteelhead Technologies has raised $84 million in growth capital from Mainsail Partners as the company looks to expand its cloud-based ERP platform for metal finishing and fabrication shops and accelerate the development of AI-driven capabil...
11.12.2025Steelhead Technologies Receives $84M Investment from Mainsail PartnersSteelhead Technologies, a Calumet, Michigan-based provider of an ERP software platform for metal finishers and fabricators, received an $84m growth investment from Mainsail Partners. The company intends to use the funds to expand the platfo...
27.10.2025FieldFlo Receives $35M Growth Investment from Mainsail PartnersFieldFlo, a Denver, CO-based provider of project and safety management software for specialty subcontractors, raised $35m in growth funding. Mainsail Partners, a growth equity firm investing in vertical SaaS companies, made the investment. ...
25.10.2025Sports Tech Innovator CourtReserve Secures $54M Growth CapitalCourtReserve, a top club management software for racquet and paddle sports, secured a significant $54 million growth investment from Mainsail Partners. This capital infusion will propel accelerated product development, enhance AI-powered fe...
25.10.2025FieldFlo: $35 Million Growth Investment Raised To Advance Project And Safety Management InnovationFieldFlo, a rapidly growing provider of project and safety management software for specialty subcontractors, has announced a $35 million growth investment from Mainsail Partners, a leading growth equity firm focused on vertical SaaS busines...
24.10.2025CourtReserve Receives $54M Investment from Mainsail PartnersCourtReserve, a St. Augustine, FL — based club management software platform provider, received a $54m strategic growth investment from Mainsail Partners. The company intends to use the funds to accelerate product development, enhance custom...
22.10.2025CourtReserve: $54 Million Growth Investment Raised For Advancing Racquet And Paddle Club SoftwareCourtReserve, a leading club management software provider for racquet and paddle sports facilities, has announced a $54 million strategic growth investment from Mainsail Partners. This growth equity firm specializes in scaling vertical SaaS...
16.10.2025Flyntlok Secures $36M for AI-Driven Heavy Equipment Dealer InnovationFlyntlok secured a $36 million growth investment from Mainsail Partners, fueling advanced AI and product innovation for heavy equipment dealers. The Anchorage-based company's cloud-based dealer management system (DMS) streamlines complex op...
15.10.2025Flyntlok: $36 Million Raised For Advancing AI-Driven Innovation For Heavy Equipment DealersFlyntlok, a provider of cloud-based dealer management software for heavy equipment and related industries, has secured a $36 million growth investment from Mainsail Partners. The funding will be used to expand Flyntlok’s artificial intellig...
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