Insights

Growth Focus Mainsail Partners is a growth equity firm specializing in bootstrapped B2B software companies, signaling ongoing opportunities to engage founders and executive teams seeking scale, platform enhancements, and accelerated go-to-market strategies.

AI & Ops The firm emphasizes building data-driven infrastructure and harnessing AI to drive productivity and innovation, suggesting potential sales opportunities for AI-enabled analytics, automation, and workflow optimization within portfolio companies.

Recent Promotions Interior leadership changes include promotions to Partner, indicating active firm growth and decision-making in new investments, ideal touchpoints for introducing strategic partnerships, co-sell initiatives, or expanded capital solutions.

Portfolio Growth Recent investments in vertical SaaS and industry-specific ERP platforms (e.g., Steelhead Technologies, FieldFlo) demonstrate appetite for sector-focused software, presenting targeting opportunities in manufacturing, construction, and project management segments.

AI Labs Launch of Mainsail AI Labs shows a commitment to accelerating AI adoption across portfolio companies, offering a pathway for enterprise-grade AI products, data platforms, and technology partnerships to unlock scale.

Mainsail Partners Tech Stack

Mainsail Partners uses 8 technology products and services including Optimizely, Gravatar, RSS, and more. Explore Mainsail Partners's tech stack below.

  • Optimizely
    A/B Testing
  • Gravatar
    Audio, Video, Graphics
  • RSS
    Content Management System
  • Twemoji
    Font Scripts
  • Swiper
    Javascript Libraries
  • Yoast SEO
    Search Engines
  • HSTS
    Security
  • ProfilePress
    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
69%
Last@mainsailpartners.comDoe@mainsailpartners.com
18%
FLast@mainsailpartners.comJDoe@mainsailpartners.com
12%
FirstL@mainsailpartners.comJohnD@mainsailpartners.com
1%

Frequently Asked Questions

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.

How much revenue does Mainsail Partners generate?

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As of July 2026, Mainsail Partners's annual revenue is estimated to be $100M - $250M.

What is Mainsail Partners's SIC code NAICS code?

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Mainsail Partners's SIC code is 6371 - Pension, Health, and Welfare Funds NAICS code is 52391 - Miscellaneous Intermediation.

How many employees does Mainsail Partners have currently?

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As of July 2026, Mainsail Partners has approximately 109 employees across 2 continents, including North AmericaAsia. Key team members include Cto In Residence: R. B.Chief Financial Officer: R. W.Vice President Of Pricing: B. R.. 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 OptimizelyGravatarRSSTwemojiSwiperYoast SEOHSTSProfilePress.

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 logo

Mainsail Partners

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

Mainsail Partners is a growth equity firm that concentrates on investing in bootstrapped B2B software companies to help them scale and achieve market leadership. The team combines experienced investors with software operators who assist founders in building strong teams, developing industry-leading products, and designing data-driven, scalable infrastructure to grow market share. Mainsail maintains offices in Austin, Texas, and San Francisco, California, and has raised nearly $4 billion in committed capital and partnered with more than 100 companies over the past 22 years. The firm emphasizes a collaborative approach that respects founder-led cultures and supports the people and customers of its portfolio companies. The organization has 51 to 200 employees and maintains an online presence at mainsailpartners.com.

Section iconCompany Overview

Phone number
SIC Code
6371 - Pension, Health, and Welfare Funds
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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