Company lists · Data refreshed September 2026

Top 25 Lower middle market equity firms worldwide

Name: Lower middle market equity firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 8,278 companies tracked

RevenueBase identified 8,278 company matches for lower middle market equity firms worldwide as of September 2026 and tracks 80,482 professional contacts across them, including 34,672 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for lower middle 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 lower middle 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

8,278Companies

80,482Contacts tracked

34,672Verified emails

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The 25 largest lower middle market equity firms worldwide

Ranked by team size

Top 25 of 8,278 company matches for lower middle 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Bain Capital	Exact match	Boston, MA, United StatesHQ recorded Sep 20, 2026	1,001-5,000	2,068 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
2	H.I.G. Capital	Exact match	Miami, FL, United StatesHQ recorded Sep 20, 2026	501-1,000	1,301 contacts →
	Exact match “H.I.G.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3	Warburg Pincus LLC	Exact match	New York, NY, United StatesHQ recorded Sep 20, 2026	501-1,000	1,290 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
4	General Atlantic	Exact match	New York, NY, United StatesHQ recorded Sep 20, 2026	501-1,000	820 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
5	JV Driver Investments	Exact match	Leduc, AB, CanadaHQ recorded Sep 20, 2026	501-1,000	642 contacts →
	Exact match “JV Driver Investments Inc.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6	Eurazeo	Exact match	Paris, GermanyHQ recorded Sep 20, 2026	201-500	624 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
7	Bridgepoint Group	Exact match	West End, United KingdomHQ recorded Sep 20, 2026	201-500	553 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
8	LDC	Exact match	London, United KingdomHQ recorded Sep 20, 2026	51-200	536 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
9	PSG	Exact match	Boston, MA, United StatesHQ recorded Sep 20, 2026	51-200	513 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
10	BDT & MSD Partners	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	201-500	504 contacts →
	Exact match “BDT & MSD Partners is a merchant bank serving founders, family business owners, and long-term strategic investors.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11	The Riverside Company	Exact match	New York City, NY, United StatesHQ recorded Sep 20, 2026	201-500	447 contacts →
	Exact match “The Riverside Company is a global investment firm focused on being one of the leading private capital options for business owners and employees at the smaller end of the middle…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12	APAX	Exact match	London, United KingdomHQ recorded Sep 20, 2026	201-500	438 contacts →
	Exact match “Apax Partners LLP ("Apax") is a global private equity advisory firm investing in mid-market businesses across the Technology, Services, and Internet/Consumer sectors.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13	BLOOM	Exact match	SingaporeHQ recorded Sep 20, 2026	n/a	360 contacts →
	Exact match “bloom.CAPITAL is an operationally-focused private equity firm that invests in small to mid-market companies in the industrial sector.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14	3i Group PLC	Exact match	London, United KingdomHQ recorded Sep 20, 2026	201-500	337 contacts →
	Exact match “3i is a leading international investment company with two complementary businesses, Private Equity and Infrastructure, specialising in core investment markets in northern Europe…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15	W Capital Partners	Exact match	New York, NY, United StatesHQ recorded Sep 20, 2026	n/a	337 contacts →
	Exact match “W Capital Partners is a private equity firm that provides secondary liquidity to shareholders in private businesses and growth capital for those companies.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16	Shore Capital Partners	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	51-200	327 contacts →
	Exact match “Shore Capital, a Chicago-based private equity firm with an office in Nashville, is an investor in lower-middle market companies in the Healthcare, Food and Beverage, Business…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17	Altamarcam Partners	Exact match	Madrid, SpainHQ recorded Sep 20, 2026	201-500	314 contacts →
	Exact match “AltamarCAM is a leading investment manager in private markets whose main objective is to provide institutional investors, including insurance companies, pension funds and…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18	Epic Investment Partners	Exact match	London, United KingdomHQ recorded Sep 20, 2026	201-500	301 contacts →
	Exact match “EPIC Investment Partners is an independent investment, administration and advisory firm.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19	AMG	Exact match	West Palm Beach, FL, United StatesHQ recorded Sep 20, 2026	201-500	297 contacts →
	Exact match “AMG is a leading partner to independent investment management firms globally.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20	BGF	Exact match	London, United KingdomHQ recorded Sep 20, 2026	51-200	276 contacts →
	Exact match “BGF is the most active and influential investor in small and mid-sized businesses in the UK.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21	IK Partners	Exact match	London, United KingdomHQ recorded Sep 20, 2026	201-500	273 contacts →
	Exact match “IK Partners (“IK”) is a European private equity firm focused on investments in the Benelux, DACH, France, Nordics and the UK.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22	Haywood Securities INC	Exact match	Vancouver, BC, CanadaHQ recorded Sep 20, 2026	201-500	268 contacts →
	Exact match “Haywood Securities is an investment firm that values its independence and its entrepreneurial spirit.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23	Carlsquare	Exact match	Hamburg, GermanyHQ recorded Sep 20, 2026	51-200	255 contacts →
	Exact match “Carlsquare is a partner-led investment bank that supports companies and their shareholders to implement their strategic goals.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24	Berkshire Partners	Exact match	Boston, MA, United StatesHQ recorded Sep 20, 2026	201-500	255 contacts →
	Exact match “Berkshire Partners is a 100% employee-owned, multi-sector specialist investor in private and public equity, with a focus on North American-based, middle-market companies.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25	Needham & Company	Exact match	New York, NY, United StatesHQ recorded Sep 20, 2026	51-200	250 contacts →
	Exact match “Needham & Company, LLC is a nationally recognized investment banking and asset management Firm focused solely on growth companies and their investors.” Recorded in the RevenueBase company graph · Sep 20, 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 “lower middle market 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 8,278 lower middle market equity firms worldwide

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Lower middle market equity firms worldwide at a glance

As of Sep 20, 2026

43.1%Verified-email coverage

9.7Average contacts per company

1-10Median size (employees)

5.4%Largest-city concentration · London

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

5,611

11-50

2,066

51-200

407

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 lower middle market equity firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “lower middle 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 34,672 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.

Lower middle market equity firms by location

63 lists · largest first

Every Lower middle 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 “lower middle market equity firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many lower middle market equity firms are there worldwide?

RevenueBase identified 8,278 company matches for lower middle 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?

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

Which country has the most lower middle market equity firms?

The United States leads with 2,805 companies, followed by the United Kingdom (669) and Germany (263). Every lower middle market equity firms list by country and city is linked on this page.

Which city has the most lower middle market equity firms?

London leads with 449 company records, followed by New York (410) and Chicago (169).

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 34,672 professional contacts with verified work emails tracked across these 8,278 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.