Company lists · Data refreshed September 2026

Top 25 Operational improvement equity firms worldwide

Name: Operational improvement equity firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 9,869 companies tracked

RevenueBase identified 9,869 company matches for operational improvement equity firms worldwide as of September 2026 and tracks 95,661 professional contacts across them, including 42,909 with verified work emails. The United States is the largest market and New York the largest hub.

This list covers company matches for operational improvement 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 operational improvement 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

9,869Companies

95,661Contacts tracked

42,909Verified emails

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The 25 largest operational improvement equity firms worldwide

Ranked by team size

Top 25 of 9,869 company matches for operational improvement 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	Alvarez & Marsal	Exact match	New York, NY, United StatesHQ recorded Sep 20, 2026	10001+	13,099 contacts →
	Exact match “Alvarez & Marsal is a leading global professional services firm dedicated to helping organizations tackle their most complex business issues, maximize stakeholder value, and…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2	L.E.K. Consulting	Exact match	Boston, MA, United StatesHQ recorded Sep 20, 2026	1,001-5,000	4,093 contacts →
	Exact match “L.E.K.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3	Propia AB	Exact match	Norrköping, SwedenHQ recorded Sep 20, 2026	n/a	2,448 contacts →
	Exact match “Propia is a Consultant Company offering competence and proven methodology within Operational Excellence.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4	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
5	Riveron	Exact match	Dallas, TX, United StatesHQ recorded Sep 20, 2026	1,001-5,000	1,160 contacts →
	Exact match “With over 1,200 professionals across 18 international offices, Riveron delivers tailored solutions for CFOs, private equity firms, and key stakeholders.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6	Advent	Exact match	Boston, MA, United StatesHQ recorded Sep 20, 2026	501-1,000	1,025 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
7	Eight Advisory	Exact match	Paris, FranceHQ recorded Sep 20, 2026	501-1,000	895 contacts →
	Exact match “Eight Advisory, Europe's leading independent advisory firm specialising in financial, operational and strategy consulting, is involved in transactions, restructuring and…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8	TA Associates	Exact match	Boston, MA, United StatesHQ recorded Sep 20, 2026	201-500	881 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
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	SPARQ	Exact match	Atlanta, GA, United StatesHQ recorded Sep 20, 2026	501-1,000	487 contacts →
	Exact match “Sparq is an economic performance engineering partner, built for the age of AI.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11	Privet Capital LLP	Exact match	London, United KingdomHQ recorded Sep 20, 2026	n/a	469 contacts →
	Exact match “We identify the hidden value in companies that are often in challenging or complex situations, but have a strong core offering.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12	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
13	Cd&r	Exact match	New York, NY, United StatesHQ recorded Sep 20, 2026	51-200	385 contacts →
	Exact match “Founded in 1978, CD & R is an investment firm with an investment strategy predicated on building stronger, more profitable businesses.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14	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
15	PAI Partners	Exact match	Paris, FranceHQ recorded Sep 20, 2026	201-500	329 contacts →
	Exact match “PAI Partners is a leading private equity firm.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16	Aurelius	Exact match	London, United KingdomHQ recorded Sep 20, 2026	201-500	328 contacts →
	Exact match “AURELIUS is a global alternative investor, distinguished and widely recognised for its operational approach.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17	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
18	Nordic Capital	Exact match	Stockholm, SwedenHQ recorded Sep 20, 2026	201-500	315 contacts →
	Exact match “Nordic Capital is a leading international private equity investor and subsector specialist dedicated to building stronger, more sustainable businesses through operational…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19	Meotec	Exact match	Boulogne-Billancourt, FranceHQ recorded Sep 20, 2026	501-1,000	310 contacts →
	Exact match “Since 2005, Meotec's vision has been to position itself as an operational consulting firm evolving between strategy consulting firms and engineering companies.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20	Alpha Alternatives	Exact match	New York, United StatesHQ recorded Sep 20, 2026	201-500	301 contacts →
	Exact match “Alpha Alternatives is the specialist alternatives consulting division of Alpha FMC, dedicated to creating value for private markets clients-including Private Equity, Private Debt…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21	MV	Exact match	København V, DenmarkHQ recorded Sep 20, 2026	n/a	288 contacts →
	Exact match “MV (MV A/S) is a control oriented private equity firm specializing in acquiring and partnering with businesses that can benefit from our operational expertise and flexible capital…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22	Jeavio	Exact match	Boston, United StatesHQ recorded Sep 20, 2026	201-500	287 contacts →
	Exact match “Jeavio is a tech-enabled services firm purpose-built for Private Equity firms and their portfolio companies.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23	GGG Partners, LLC Previously Grisanti, Galef & Goldress	Exact match	Atlanta, GA, United StatesHQ recorded Sep 20, 2026	n/a	283 contacts →
	Exact match “Partners, LLC has transformed under-performing companies into high performance operations for more than 60 years.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24	Alpine Investors	Exact match	San Francisco, CA, United StatesHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
25	Clearlake Capital Group	Exact match	Santa Monica, CA, United StatesHQ recorded Sep 20, 2026	51-200	266 contacts →
	Exact match “Clearlake Capital is a leading global alternative asset manager founded in 2006 with over $185 billion of assets under management.” 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 “operational improvement 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 9,869 operational improvement equity firms worldwide

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Operational improvement equity firms worldwide at a glance

As of Sep 20, 2026

44.9%Verified-email coverage

9.7Average contacts per company

1-10Median size (employees)

4.4%Largest-city concentration · New York

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

7,258

11-50

2,045

51-200

397

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 operational improvement equity firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “operational improvement 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 42,909 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.

Operational improvement equity firms by location

48 lists · largest first

Every Operational improvement 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 “operational improvement equity firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many operational improvement equity firms are there worldwide?

RevenueBase identified 9,869 company matches for operational improvement 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?

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

Which country has the most operational improvement equity firms?

The United States leads with 4,010 companies, followed by the United Kingdom (518) and Brazil (417). Every operational improvement equity firms list by country and city is linked on this page.

Which city has the most operational improvement equity firms?

New York leads with 432 company records, followed by London (307) and Chicago (218).

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 42,909 professional contacts with verified work emails tracked across these 9,869 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.