Company lists · Data refreshed September 2026

Top 25 Upper middle market private equity firms based in San Francisco, United States

Name: Upper middle market private equity firms based in San Francisco, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 170 companies tracked

RevenueBase identified 170 company matches for upper middle market private equity firms associated with San Francisco, United States as of September 2026 and tracks 6,522 professional contacts across them, including 3,568 with verified work emails. Across the United States, New York is the largest hub for this category (988 companies); San Francisco has 170.

This list covers company matches for upper middle market private equity firms associated with San Francisco, United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 21, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 21, 2026 How this list was built

170Companies

6,522Contacts tracked

3,568Verified emails

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The 25 largest upper middle market private equity firms based in San Francisco, United States

Ranked by team size

Top 25 of 170 company matches for upper middle market private equity firms based in San Francisco, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	TPG	Exact match	San Francisco, CA, United StatesHQ recorded Sep 21, 2026	1,001-5,000	1,979 contacts →
	Exact match “TPG (Nasdaq: TPG) is a leading global alternative asset management firm, founded in San Francisco in 1992, with $306 billion of assets under management and investment and…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2	Sixth Street	Exact match	San Francisco, CA, United StatesHQ recorded Sep 21, 2026	501-1,000	802 contacts →
	Exact match “Sixth Street is a global investment firm with over $135 billion in assets under management and committed capital.* The firm uses its long-term flexible capital, data-enabled…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3	Alpine Investors	Exact match	San Francisco, CA, United StatesHQ recorded Sep 21, 2026	51-200	278 contacts →
	Exact match “Alpine Investors is a people-driven private equity firm that invests in software and services businesses.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4	Hellman & Friedman	Exact match	San Francisco, CA, United StatesHQ recorded Sep 21, 2026	51-200	220 contacts →
	Exact match “Founded in 1984, Hellman & Friedman (H&F) is one of the most experienced private equity investment firms operating today.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5	Francisco Partners	Exact match	San Francisco, CA, United StatesHQ recorded Sep 21, 2026	51-200	215 contacts →
	Exact match “Francisco Partners is a leading global investment firm that specializes in partnering with technology and technology-enabled businesses.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6	Gryphon Investors	Exact match	San Francisco, CA, United StatesHQ recorded Sep 21, 2026	51-200	211 contacts →
	Exact match “Gryphon Investors is a leading middle-market private investment firm focused on building and growing profitable, market-leading companies in the Business Services, Consumer…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7	FTV Capital	Exact match	San Francisco, CA, United StatesHQ recorded Sep 21, 2026	51-200	135 contacts →
	Exact match “FTV Capital is a growth equity investment firm that has raised over $10.2 billion to invest in high-growth companies offering a range of innovative solutions in financial…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8	Golden Gate Capital	Exact match	San Francisco, United StatesHQ recorded Sep 21, 2026	51-200	126 contacts →
	Exact match “Golden Gate Capital is a San Francisco-based private equity investment firm with approximately $20 billion in cumulative committed capital.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9	FFL Partners	Exact match	San Francisco, CA, United StatesHQ recorded Sep 21, 2026	11-50	118 contacts →
	Exact match “FFL Partners is a leading middle-market private equity firm that has been investing in high-quality companies since 1997.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10	US Capital	Exact match	San Francisco, CA, United StatesHQ recorded Sep 21, 2026	51-200	112 contacts →
	Exact match “Founded in 1998, US Capital Global offers a range of advanced financial solutions, including debt, equity, and investment products customized for middle-market enterprises and…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11	Turn River Capital	Exact match	San Francisco, CA, United StatesHQ recorded Sep 21, 2026	51-200	106 contacts →
	Exact match “Turn/River Capital is a private equity firm that applies a proprietary growth engineering strategy to investing, partnering with software businesses to accelerate growth and build…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12	Percheron Capital	Exact match	San Francisco, CA, United StatesHQ recorded Sep 21, 2026	51-200	96 contacts →
	Exact match “Percheron Capital is the largest private equity firm focused on essential services – the businesses that keep America running.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13	JH Partners	Exact match	San Francisco, CA, United StatesHQ recorded Sep 21, 2026	11-50	96 contacts →
	Exact match “JH Partners, LLC ("JH Partners" or "JHP") is a San Francisco-based private equity firm focused on building sustainable, long-term equity value in consumer and marketing-driven…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14	Vector Capital Management	Exact match	San Francisco, CA, United StatesHQ recorded Sep 21, 2026	51-200	89 contacts →
	Exact match “Vector Capital is a leading, San Francisco-based global private equity and credit investment firm focused on transformative investments in technology and technology-enabled…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15	Dragoneer Investment Group	Exact match	San Francisco, CA, United StatesHQ recorded Sep 21, 2026	51-200	85 contacts →
	Exact match “Dragoneer is a growth-oriented investment firm with over $35 billion in assets under management.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16	Genstar Capital	Exact match	San Francisco, CA, United StatesHQ recorded Sep 21, 2026	11-50	84 contacts →
	Exact match “Genstar Capital is a leading middle-market private equity firm, investing in high quality companies for over 30 years.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17	Mangusta Capital	Exact match	San Francisco, CA, United StatesHQ recorded Sep 21, 2026	n/a	73 contacts →
	Exact match “Mangusta is a venture capital and growth equity firm, with its origins in Italy and a global reach.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18	VMG Partners	Exact match	San Francisco, CA, United StatesHQ recorded Sep 21, 2026	51-200	61 contacts →
	Exact match “VMG is a leading investment firm that backs branded consumer product, service, and technology companies.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19	Atel Capital Group	Exact match	San Francisco, CA, United StatesHQ recorded Sep 21, 2026	51-200	56 contacts →
	Exact match “For half a century, ATEL Capital Group has financed the companies transforming our economy-deploying capital to more than businesses globally.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20	Meritage Group LP	Exact match	San Francisco, CA, United StatesHQ recorded Sep 21, 2026	51-200	47 contacts →
	Exact match “Meritage Group LP is a fundamentally oriented investment firm backed by evergreen, flexible capital.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21	Pinegrove Venture Partners	Exact match	San Francisco, CA, United StatesHQ recorded Sep 21, 2026	51-200	47 contacts →
	Exact match “Pinegrove is a venture investment platform designed to deliver tailored solutions for fund managers, founders, and limited partners in the venture capital ecosystem.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22	Banneker Partners	Exact match	San Francisco, CA, United StatesHQ recorded Sep 21, 2026	11-50	44 contacts →
	Exact match “Founded in 2016, Banneker is dedicated to empowering management teams on their journey to build exceptional software companies.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23	Architect	Exact match	San Francisco, CA, United StatesHQ recorded Sep 21, 2026	11-50	44 contacts →
	Exact match “Architect Capital is a San Francisco-based multi-strategy investment firm specialized in building novel financial infrastructure.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24	Martis Capital	Exact match	San Francisco, CA, United StatesHQ recorded Sep 21, 2026	11-50	35 contacts →
	Exact match “Martis Capital is a middle-market private equity fund focused exclusively on the North American healthcare industry.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25	Main Post Partners	Exact match	San Francisco, CA, United StatesHQ recorded Sep 21, 2026	11-50	33 contacts →
	Exact match “Main Post Partners is a private equity investment firm focused on investing $50 – $250+ million in high-growth companies across the consumer value chain.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “upper middle market private equity firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 170 upper middle market private equity firms based in San Francisco, United States

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Upper middle market private equity firms based in San Francisco, United States at a glance

As of Sep 21, 2026

54.7%Verified-email coverage

38.4Average contacts per company

1-10Median size (employees)

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Email recency for this list is measured across the whole United States list rather than for San Francisco, so it is reported there. Company counts and contact totals on this page are exact for San Francisco, over 170 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with San Francisco, United States whose business descriptions match “upper middle market private equity firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every displayed company carries at least one verified work email. RevenueBase tracks 3,568 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 21, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Upper middle market private equity firms by metro in the United States

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “upper middle market private equity firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many upper middle market private equity firms are there based in San Francisco, United States?

RevenueBase identified 170 company matches for upper middle market private equity firms associated with San Francisco, United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

TPG tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most upper middle market private equity firms?

New York leads the United States with 988 company records, followed by Chicago (333) and Dallas (294). San Francisco has 170.

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 3,568 professional contacts with verified work emails tracked across these 170 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 21, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.