Company lists · Data refreshed September 2026

Top 25 Mid-market equity firms worldwide

RevenueBase identified 14,565 company matches for mid-market equity firms worldwide as of September 2026 and tracks 185,077 professional contacts across them, including 78,017 with verified work emails. The United States is the largest market and New York the largest hub.

This list covers company matches for mid-market equity firms worldwide, 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 20, 2026. Country and city lists for mid-market equity firms follow the table.

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 20, 2026 How this list was built
14,565Companies
185,077Contacts tracked
78,017Verified emails
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The 25 largest mid-market equity firms worldwide

Ranked by team size
Top 25 of 14,565 company matches for mid-market equity firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLos Angeles, CA, United StatesHQ recorded Sep 20, 20261,001-5,0003,975 contacts →

Exact match

“Ares Management Corporation (NYSE: ARES) is a leading global alternative investment manager offering clients complementary primary and secondary investment solutions across the…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2Exact matchNew York, NY, United StatesHQ recorded Sep 20, 20261,001-5,0003,915 contacts →

Exact match

“We are a leading global investment firm that invests as long-term owners on behalf of institutions and individuals worldwide.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3Exact matchNew York, NY, United StatesHQ recorded Sep 20, 20261,001-5,0002,940 contacts →

Exact match

“Nuveen is a global investment leader, managing public and private assets for clients around the world and on behalf of TIAA, our parent company and one of the world’s largest…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4Exact matchWashington, DC, United StatesHQ recorded Sep 20, 20261,001-5,0002,515 contacts →

Exact match

“Carlyle (NASDAQ: CG) is a global investment firm with deep industry expertise that deploys private capital across three business segments: Global Private Equity, Global Credit…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5Exact matchBoston, MA, United StatesHQ recorded Sep 20, 20261,001-5,0002,068 contacts →

Exact match

“Founded in 1984, Bain Capital is one of the world’s leading private investment firms.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6Exact matchRiyadh, Saudi ArabiaHQ recorded Sep 20, 202610001+1,740 contacts →

Exact match

“Algihaz Holding is a Saudi Arabian investment group that has emerged as a leading organization since 1975.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7Exact matchParis, FranceHQ recorded Sep 20, 20261,001-5,0001,624 contacts →

Exact match

“In a world of constant evolution, Ardian stands out for its ability to anticipate, adapt, and turn challenges into opportunities.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8Exact matchEdinburgh, United KingdomHQ recorded Sep 20, 20261,001-5,0001,549 contacts →

Exact match

“We are an independent investment manager founded over a century ago in Edinburgh, owned and run by 59 partners.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9Exact match6th October City, EgyptHQ recorded Sep 20, 202610001+1,425 contacts →

Exact match

“As a distinguished investment company with a robust international footprint, Raya Holding for Financial Investments has experienced remarkable growth driven by a resilient…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10Exact matchMiami, FL, United StatesHQ recorded Sep 20, 2026501-1,0001,301 contacts →

Exact match

“H.I.G.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11Exact matchNew York, NY, United StatesHQ recorded Sep 20, 2026501-1,0001,290 contacts →

Exact match

“Warburg Pincus LLC is the pioneer of global growth investing.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12Exact matchBoston, MA, United StatesHQ recorded Sep 20, 2026501-1,0001,025 contacts →

Exact match

“Advent is a leading global private equity investor committed to working in partnership with management teams, entrepreneurs, and founders to help transform businesses.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13Exact matchBoston, MA, United StatesHQ recorded Sep 20, 2026201-500881 contacts →

Exact match

“TA is a leading global private equity firm focused on scaling growth in profitable companies.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14Exact matchAustin, TX, United StatesHQ recorded Sep 20, 2026501-1,000839 contacts →

Exact match

“Vista Equity Partners (Vista) is a leading global technology investor specializing in software.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchNew York, NY, United StatesHQ recorded Sep 20, 2026501-1,000820 contacts →

Exact match

“General Atlantic is a leading global investor with more than four and a half decades of experience providing capital and strategic support to over 830 companies throughout its…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchSan Francisco, CA, United StatesHQ recorded Sep 20, 2026501-1,000802 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 20, 2026 · View company records in RevenueBase
17Exact matchNew York, NY, United StatesHQ recorded Sep 20, 2026n/a722 contacts →

Exact match

“Founded in 1964, Alger is recognized as a pioneer of growth-style investment management.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact matchMadrid, GermanyHQ recorded Sep 20, 2026501-1,000697 contacts →

Exact match

“Alantra is an independent global financial services firm that provides investment banking and asset management services to mid-market companies, families, and investors.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchLeduc, AB, CanadaHQ recorded Sep 20, 2026501-1,000642 contacts →

Exact match

“JV Driver Investments Inc.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Sep 20, 2026501-1,000629 contacts →

Exact match

“Permira is a global investment firm that backs successful businesses with growth ambitions.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21Exact matchParis, GermanyHQ recorded Sep 20, 2026201-500624 contacts →

Exact match

“Eurazeo is a leading global investment company, with a diversified portfolio of €40 billion in assets under management, including €31 billion from third parties, invested in 600…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22Exact matchNew York, NY, United StatesHQ recorded Sep 20, 20261,001-5,000613 contacts →

Exact match

“Established in the U.S.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23Exact matchWest End, United KingdomHQ recorded Sep 20, 2026201-500553 contacts →

Exact match

“Bridgepoint Group is one of the world's leading mid-market investors, specialising in private equity, infrastructure, credit, secondaries and private wealth.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Sep 20, 202651-200536 contacts →

Exact match

“For over 40 years, LDC has been the trusted investment partner for ambitious management teams.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25Exact matchBoston, MA, United StatesHQ recorded Sep 20, 202651-200513 contacts →

Exact match

“PSG is a growth equity firm that partners with software and technology-enabled services companies to help them navigate transformational growth, capitalize on strategic…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase

Showing 25 of 14,565 mid-market equity firms worldwide

See the full list, filter by size, metro and specialty, and access 78,017 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Mid-market equity firms worldwide at a glance

As of Sep 20, 2026
42.2%Verified-email coverage
12.7Average contacts per company
1-10Median size (employees)
5.6%Largest-city concentration · New York
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
9,452
11-50
3,855
51-200
851
201-500
206
501-1,000
76
1,001-5,000
76
5,001-10,000
10
10001+
17

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for mid-market equity firms are linked below.
What qualifies
Company records worldwide whose business descriptions match “mid-market 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. 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 78,017 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 20, 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.

Mid-market equity firms by location

82 lists · largest first

Every Mid-market equity firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “mid-market equity firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many mid-market equity firms are there worldwide?

RevenueBase identified 14,565 company matches for mid-market equity firms worldwide 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?

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

Which country has the most mid-market equity firms?

The United States leads with 5,321 companies, followed by the United Kingdom (963) and Canada (565). Every mid-market equity firms list by country and city is linked on this page.

Which city has the most mid-market equity firms?

New York leads with 819 company records, followed by London (688) and Chicago (269).

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 78,017 professional contacts with verified work emails tracked across these 14,565 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 20, 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.