Company lists · Data refreshed September 2026

Top 25 Portfolio company consulting firms worldwide

Name: Portfolio company consulting firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 29, 2026 26,603 companies tracked

RevenueBase identified 26,603 company matches for portfolio company consulting firms worldwide as of September 2026 and tracks 204,429 professional contacts across them, including 71,470 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for portfolio company consulting 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 29, 2026. Country and city lists for portfolio company consulting 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 29, 2026 How this list was built

26,603Companies

204,429Contacts tracked

71,470Verified emails

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The 25 largest portfolio company consulting firms worldwide

Ranked by team size

Top 25 of 26,603 company matches for portfolio company consulting firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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	Ey-Parthenon	Exact match	London, United KingdomHQ recorded Sep 29, 2026	10001+	17,070 contacts →
	Exact match “Our unique combination of transformative strategy, transactions and corporate finance delivers real-world value – solutions that work in practice, not just on paper.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2	Alvarez & Marsal	Exact match	New York, NY, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
3	L.E.K. Consulting	Exact match	Boston, MA, United StatesHQ recorded Sep 29, 2026	1,001-5,000	4,093 contacts →
	Exact match “L.E.K.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4	Lazard	Exact match	New York, NY, United StatesHQ recorded Sep 29, 2026	1,001-5,000	3,912 contacts →
	Exact match “Founded in 1848, Lazard is the preeminent financial advisory and asset management firm, with operations in North and South America, Europe, the Middle East, Asia, and Australia.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5	TENEO	Exact match	New York City, NY, United StatesHQ recorded Sep 29, 2026	1,001-5,000	1,930 contacts →
	Exact match “Teneo is the global CEO advisory firm.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6	Lincoln International	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	1,001-5,000	1,489 contacts →
	Exact match “Lincoln International, Inc.(NYSE: LCLN) is a trusted investment banking advisor to business owners and senior executives of leading private equity firms and their portfolio…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7	Riveron	Exact match	Dallas, TX, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
8	Advent	Exact match	Boston, MA, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
9	Eight Advisory	Exact match	Paris, FranceHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
10	Perella Weinberg	Exact match	New York, NY, United StatesHQ recorded Sep 29, 2026	501-1,000	883 contacts →
	Exact match “Perella Weinberg is a leading global independent financial services firm, founded in 2006 to address the need for experienced, trusted and unconflicted advice in the financial…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11	TA Associates	Exact match	Boston, MA, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
12	Accuracy	Exact match	Paris, SingaporeHQ recorded Sep 29, 2026	501-1,000	868 contacts →
	Exact match “Accuracy is a wholly independent international consulting firm providing advice to company management and shareholders for their strategic or critical decisions, notably in…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13	FRP Advisory	Exact match	London, United KingdomHQ recorded Sep 29, 2026	501-1,000	731 contacts →
	Exact match “FRP is a leading national business advisory firm.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14	デロイトトーマツコンサルティング(合同)	Exact match	千代田区, JapanHQ recorded Sep 29, 2026	501-1,000	696 contacts →
	Exact match “is a management consulting company based out of, Japan.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15	Centerview Partners	Exact match	New York, NY, United StatesHQ recorded Sep 29, 2026	501-1,000	693 contacts →
	Exact match “Centerview Partners is a premier provider of independent investment-banking advisory services.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16	Hilco Global	Exact match	Northbrook, IL, United StatesHQ recorded Sep 29, 2026	501-1,000	528 contacts →
	Exact match “Hilco Global is a privately held diversified financial services company and the world’s preeminent authority on maximizing the value of assets for both healthy and distressed…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17	Virtual Connection	Exact match	Sao Paulo, BrazilHQ recorded Sep 29, 2026	1,001-5,000	504 contacts →
	Exact match “A Virtual Connection é uma empresa empreendedora, com espírito inovativo que constantemente busca alavancar resultados financeiros em nossos clientes através de ferramentas como…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18	Benchmark International	Exact match	Tampa, FL, United StatesHQ recorded Sep 29, 2026	201-500	503 contacts →
	Exact match “Benchmark International is a global M&A firm that provides business owners with creative, value-maximizing solutions for growing and exiting their businesses.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19	Sc&h	Exact match	Hunt Valley, MD, United StatesHQ recorded Sep 29, 2026	201-500	500 contacts →
	Exact match “SC & H is an employee-owned, global consulting and financial services firm driving business, technology, and teams forward.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20	GVA	Exact match	Paris, FranceHQ recorded Sep 29, 2026	51-200	499 contacts →
	Exact match “Créé en 1975, GVA est composé de 80 personnes, pour près de 10 millions de chiffre d’affaires.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21	Privet Capital LLP	Exact match	London, United KingdomHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
22	APAX	Exact match	London, United KingdomHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
23	Valueonshore 'vos' Advisors	Exact match	San Jose, CA, United StatesHQ recorded Sep 29, 2026	501-1,000	429 contacts →
	Exact match “Valueonshore (‘VOS’) Advisors is a global business advisory services firm of Big 4 alumni and industry executives.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24	Kaiser Associates	Exact match	Washington, DC, United StatesHQ recorded Sep 29, 2026	51-200	397 contacts →
	Exact match “Kaiser Associates was founded in 1981 with a simple yet powerful mission: to help executives make more informed strategic and operational decisions by incorporating external…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25	Cd&r	Exact match	New York, NY, United StatesHQ recorded Sep 29, 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 29, 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 “portfolio company consulting 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 26,603 portfolio company consulting firms worldwide

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Portfolio company consulting firms worldwide at a glance

As of Sep 29, 2026

35.0%Verified-email coverage

7.7Average contacts per company

1-10Median size (employees)

3.3%Largest-city concentration · London

Sep 29, 2026Page data refreshed

Companies by employee count

1-10

20,417

11-50

5,003

51-200

798

201-500

184

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 portfolio company consulting firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “portfolio company consulting 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 71,470 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 29, 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.

Portfolio company consulting firms by location

130 lists · largest first

Every Portfolio company consulting 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 “portfolio company consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many portfolio company consulting firms are there worldwide?

RevenueBase identified 26,603 company matches for portfolio company consulting 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?

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

Which country has the most portfolio company consulting firms?

The United States leads with 7,862 companies, followed by the United Kingdom (1,764) and France (1,100). Every portfolio company consulting firms list by country and city is linked on this page.

Which city has the most portfolio company consulting firms?

London leads with 889 company records, followed by New York (801) and Sao Paulo (483).

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 71,470 professional contacts with verified work emails tracked across these 26,603 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 29, 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.