Insights

Rapid Growth Investments Recent investments in vertical SaaS companies such as Steelhead Technologies, FieldFlo, and CourtReserve indicate strong interest in scalable SaaS solutions across diverse industries. This presents opportunities to offer tailored growth strategies, infrastructure enhancements, and innovative technology integrations to these rapidly expanding portfolio companies.

AI-Driven Initiatives The launch of Mainsail AI Labs demonstrates a commitment to leveraging artificial intelligence for operational efficiency and product development. Sales opportunities exist in providing AI tools, automation platforms, or data analytics solutions to portfolio companies aiming to accelerate innovation and competitive edge.

Focus on Niche Markets Investments in specialized sectors like metal finishing, club management, and heavy equipment dealers show a preference for niche SaaS markets. Business development efforts can target these verticals with industry-specific software enhancements, compliance solutions, and market-specific integrations.

Strategic Growth Focus With a track record of large growth capital investments reaching up to $84 million, the company indicates a capacity for substantial financial support during scale-up phases. This creates an opportunity to offer advanced enterprise solutions, customized scaling services, and strategic partnerships that align with their growth objectives.

Emphasis on Sustainable Growth Recognition as a top private equity firm suggests a focus on sustainable, long-term value creation. Sales prospects include premium SaaS security, compliance, and data governance solutions designed to support stable, compliant scaling for their portfolio companies.

Mainsail Partners Tech Stack

Mainsail Partners uses 8 technology products and services including Optimizely, WP Rocket, WordPress, and more. Explore Mainsail Partners's tech stack below.

  • Optimizely
    A/B Testing
  • WP Rocket
    Caching
  • WordPress
    Content Management System
  • Twemoji
    Font Scripts
  • Select2
    Javascript Libraries
  • Salesloft
    Sales Enablement
  • X-XSS-Protection
    Security
  • Popup Maker
    Web Platform Extensions

Media & News

Mainsail Partners's Email Address Formats

Mainsail Partners uses at least 1 format(s):
Mainsail Partners Email FormatsExamplePercentage
First@mainsailpartners.comJohn@mainsailpartners.com
68%
Last@mainsailpartners.comDoe@mainsailpartners.com
18%
FLast@mainsailpartners.comJDoe@mainsailpartners.com
12%
FirstL@mainsailpartners.comJohnD@mainsailpartners.com
2%

Frequently Asked Questions

Where is Mainsail Partners's headquarters located?

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Mainsail Partners's main headquarters is located at 500 West 5th Street, Suite 1100. The company has employees across 2 continents, including North AmericaAsia.

What is Mainsail Partners's phone number?

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You can contact Mainsail Partners's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Mainsail Partners's official website and social media links?

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Mainsail Partners's official website is mainsailpartners.com and has social profiles on LinkedIn.

What is Mainsail Partners's SIC code NAICS code?

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Mainsail Partners's SIC code is 6159 - Miscellaneous business Credit Institutions NAICS code is 52391 - Miscellaneous Intermediation.

How many employees does Mainsail Partners have currently?

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As of December 2025, Mainsail Partners has approximately 97 employees across 2 continents, including North AmericaAsia. Key team members include Chief Executive Officer: D. L.Cto-In-Residence: J. P.Chief Financial Officer: R. W.. Explore Mainsail Partners's employee directory with LeadIQ.

What industry does Mainsail Partners belong to?

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Mainsail Partners operates in the Venture Capital and Private Equity Principals industry.

What technology does Mainsail Partners use?

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Mainsail Partners's tech stack includes OptimizelyWP RocketWordPressTwemojiSelect2SalesloftX-XSS-ProtectionPopup Maker.

What is Mainsail Partners's email format?

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Mainsail Partners's email format typically follows the pattern of First@mainsailpartners.com. Find more Mainsail Partners email formats with LeadIQ.

When was Mainsail Partners founded?

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Mainsail Partners was founded in 2003.

Mainsail Partners

Venture Capital and Private Equity PrincipalsTexas, United States51-200 Employees

Mainsail Partners is a growth equity firm that invests in bootstrapped B2B software companies to help them realize their full potential. Our team is purpose-built to include experienced investors and software operators who help founders build great teams, develop industry-leading products, design data-driven and scalable infrastructure, and grow market share. Mainsail’s hands-on support and best practices are delivered with a collaborative approach that respects founder-led cultures and helps build on each company’s commitment to its people and customers.
 
With offices in Austin and San Francisco, Mainsail Partners has raised nearly $4 billion in committed capital and partnered with 100+ companies over the last 22 years. For more information, visit www.mainsailpartners.com.

Don’t miss the latest Mainsail News & SaaS Growth Insights: Subscribe at: https://mainsailpartners.com/subscribe/.

Section iconCompany Overview

Headquarters
500 West 5th Street, Suite 1100
Phone number
SIC Code
6159 - Miscellaneous business Credit Institutions
NAICS Code
52391 - Miscellaneous Intermediation
Founded
2003
Employees
51-200

Section iconFunding & Financials

  • $100M$250M

    Mainsail Partners's revenue is estimated to be in the range of $100M$250M

Section iconFunding & Financials

  • $100M$250M

    Mainsail Partners's revenue is estimated to be in the range of $100M$250M

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