Insights

Strong Investment Focus Sunstone Partners demonstrates a targeted investment strategy in technology-enabled services and software companies, especially in AI, healthcare tech, and automation sectors, highlighting potential sales opportunities in digital transformation and healthcare technology solutions.

Active Growth Engagement With recent investments in companies like Clearwatersecurity, KMS Healthcare, and Accuhealth Technologies, Sunstone is actively supporting high-growth tech firms, presenting opportunities to offer complementary products or services that can accelerate their expansion.

Founder-Friendly Reputation Consistently recognized as a founder-friendly investor, Sunstone values strong partnerships with entrepreneurs, making it receptive to innovative solutions that enhance portfolio company growth and operational efficiency.

Expansion into Industrial Assets Recent acquisitions of industrial properties in Tucson suggest an interest in diversifying asset classes or supporting physical infrastructure development, creating opportunities for equipment, facilities, or real estate service providers.

Financial Capacity and Market Position With over 1.7 billion dollars committed across multiple funds and a revenue range of 50 to 100 million dollars, Sunstone offers substantial financial capacity for strategic investments and partnership opportunities in technology sectors.

Sunstone Partners Tech Stack

Sunstone Partners uses 8 technology products and services including Squarespace, WordPress, RSS, and more. Explore Sunstone Partners's tech stack below.

  • Squarespace
    Content Management System
  • WordPress
    Content Management System
  • RSS
    Content Management System
  • Vue.js
    Javascript Frameworks
  • jQuery
    Javascript Libraries
  • Priority Hints
    Performance
  • Google Analytics
    Web Analytics
  • Apache
    Web Servers

Media & News

Sunstone Partners's Email Address Formats

Sunstone Partners uses at least 1 format(s):
Sunstone Partners Email FormatsExamplePercentage
FLast@sunstonepartners.comJDoe@sunstonepartners.com
92%
First.Last@sunstonepartners.comJohn.Doe@sunstonepartners.com
5%
First@sunstonepartners.comJohn@sunstonepartners.com
1%
FMiddleLast@sunstonepartners.comJMichaelDoe@sunstonepartners.com
2%

Frequently Asked Questions

Where is Sunstone Partners's headquarters located?

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Sunstone Partners's main headquarters is located at 400 South el Camino Real San Mateo, California United States. The company has employees across 2 continents, including North AmericaEurope.

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

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Sunstone Partners's official website is sunstonepartners.com and has social profiles on LinkedIn.

What is Sunstone Partners's SIC code NAICS code?

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Sunstone Partners's SIC code is 6211 - Security Brokers, Dealers, and Flotation Companies NAICS code is 52391 - Miscellaneous Intermediation.

How many employees does Sunstone Partners have currently?

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As of March 2026, Sunstone Partners has approximately 50 employees across 2 continents, including North AmericaEurope. Key team members include Head Of Portfolio Ops: S. L.Co-Founder And Managing Director: M. B.Partner: J. H.. Explore Sunstone Partners's employee directory with LeadIQ.

What industry does Sunstone Partners belong to?

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

What technology does Sunstone Partners use?

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Sunstone Partners's tech stack includes SquarespaceWordPressRSSVue.jsjQueryPriority HintsGoogle AnalyticsApache.

What is Sunstone Partners's email format?

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Sunstone Partners's email format typically follows the pattern of FLast@sunstonepartners.com. Find more Sunstone Partners email formats with LeadIQ.

When was Sunstone Partners founded?

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Sunstone Partners was founded in 2015.

Sunstone Partners

Venture Capital and Private Equity PrincipalsCalifornia, United States11-50 Employees

Sunstone Partners is a growth-oriented private equity firm that makes majority and minority investments in technology-enabled services and software businesses. Founded in 2015, the firm has over $1.7 billion committed to its three funds. Sunstone Partners has been recognized on Inc. Magazine’s “Founder-Friendly Investors” list* five years in a row, in 2020, 2021, 2022, 2023 and 2024.

*Inc. Founder Friendly Investors  – Awarded by Inc. Magazine in October each year. This determination is made following application from private equity / venture capital firms that have exited U.S.-based, founder-led, private portfolio companies. The submitted application includes references from portfolio companies. This award reflects Inc. Magazine’s determination each such year that Sunstone Partners is a founder friendly firm that entrepreneurs can collaborate and trust as they receive the financial support they need to help drive growth. A fee is paid to be considered for the award. The full extent of the range and scope of firms and data included in the evaluation is unknown. To compile the list, Inc. went straight to the source: entrepreneurs who have sold to private equity and venture capital firms. Founders fill out a questionnaire about their experiences partnering with private equity and venture capital firms and shared share data on how their portfolio companies have grown during these partnerships.

Section iconCompany Overview

Headquarters
400 South el Camino Real San Mateo, California United States
SIC Code
6211 - Security Brokers, Dealers, and Flotation Companies
NAICS Code
52391 - Miscellaneous Intermediation
Founded
2015
Employees
11-50

Section iconFunding & Financials

  • $50M$100M

    Sunstone Partners's revenue is estimated to be in the range of $50M$100M

Section iconFunding & Financials

  • $50M$100M

    Sunstone Partners's revenue is estimated to be in the range of $50M$100M

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