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Insights

Growth Capital Focus Mainsail Partners invests heavily in vertical SaaS companies across various industries, indicating a strong opportunity to offer emerging enterprise software solutions and scaling tools tailored to their portfolio companies' needs.

Active Portfolio Expansion Recent investments in companies like Steelhead Technologies, FieldFlo, and CourtReserve highlight ongoing growth and technology development within their portfolio, presenting opportunities for add-on solutions, integrations, and specialized SaaS offerings.

AI Initiatives The launch of Mainsail AI Labs demonstrates their commitment to harnessing artificial intelligence, signaling potential demand for AI-driven software enhancements, automation tools, and data analytics solutions for their portfolio companies.

Leadership Promotions The recent promotion of key personnel to partner level suggests strategic scaling and increased emphasis on portfolio management, creating opportunities to present strategic consulting or enterprise solutions aligned with their growth objectives.

Enterprise Software Demand With a focus on B2B SaaS firms and companies generating revenues between $100M and $250M, Mainsail’s portfolio is primed for enterprise-grade software upgrades, integrations, and productivity tools to strengthen market positions and operational efficiencies.

Similar companies to Mainsail Partners

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 Formats	Example	Percentage
First@mainsailpartners.com	John@mainsailpartners.com	69%
Last@mainsailpartners.com	Doe@mainsailpartners.com	18%
FLast@mainsailpartners.com	JDoe@mainsailpartners.com	12%
FirstL@mainsailpartners.com	JohnD@mainsailpartners.com	1%

Frequently Asked Questions

Where is Mainsail Partners's headquarters located?

Mainsail Partners's main headquarters is located at 500 West 5th Street Suite 1100 Austin, Texas 78701 United States. The company has employees across 2 continents, including North AmericaAsia.

What is Mainsail Partners's phone number?

You can contact Mainsail Partners's main corporate office by phone at

+1-415-391-****

. 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?

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

What is Mainsail Partners's SIC code NAICS code?

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?

As of March 2026, Mainsail Partners has approximately 101 employees across 2 continents, including North AmericaAsia. Key team members include Chief Executive Officer: D. L.Cto-In-Residence: J. P.Cto-In-Residence: B. S.. Explore Mainsail Partners's employee directory with LeadIQ.

What industry does Mainsail Partners belong to?

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

What technology does Mainsail Partners use?

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

What is Mainsail Partners's email format?

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?

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/.

Company Overview

Headquarters: 500 West 5th Street Suite 1100 Austin, Texas 78701 United States
Phone number: +1-415-391-****
Website: mainsailpartners.com
SIC Code: 6159 - Miscellaneous business Credit Institutions
NAICS Code: 52391 - Miscellaneous Intermediation
Founded: 2003
Employees: 51-200

Media & News

Funding & Financials

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

Funding & Financials

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

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