Company lists · Data refreshed September 2026

Top 25 Private equity consulting companies based in the United States

Name: Private equity consulting companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 5, 2026 3,920 companies tracked

RevenueBase identified 3,920 private equity consulting companies headquartered in the United States as of September 2026 and tracks 41,371 professional contacts across them, including 18,251 with verified work emails and 14,935 with mobile numbers. New York is the largest hub.

This list covers private equity consulting companies headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 5, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 5, 2026 86% judged on-target in blind review

3,920Companies

41,371Contacts tracked

18,251Verified emails

14,935Mobile numbers

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The 25 largest private equity consulting companies based in the United States

Ranked by team size

Top 25 of 3,920 private equity consulting companies based in the United States, ranked by team size, largest first. Data refreshed Sep 5, 2026. RevenueBase Smart Search rates how each company's information relates to private equity consulting companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	L.E.K. Consulting	Indirect evidence	Boston, MA, United StatesHQ checked Sep 5, 2026	1,001-5,000	4,093 contacts →
	Indirect evidence “L.E.K.” Source: RevenueBase Database · checked Sep 5, 2026
2	Lazard	Indirect evidence	New York, NY, United StatesHQ checked Sep 5, 2026	1,001-5,000	3,912 contacts →
	Indirect evidence “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.” Source: RevenueBase Database · checked Sep 5, 2026
3	Lincoln International	Strong evidence	Chicago, IL, United StatesHQ checked Sep 5, 2026	1,001-5,000	1,489 contacts →
	Strong evidence “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…” Source: RevenueBase Database · checked Sep 5, 2026
4	Riveron	Strong evidence	Dallas, TX, United StatesHQ checked Sep 5, 2026	1,001-5,000	1,160 contacts →
	Strong evidence “With over 1,200 professionals across 18 international offices, Riveron delivers tailored solutions for CFOs, private equity firms, and key stakeholders.” Source: RevenueBase Database · checked Sep 5, 2026
5	Nassau Street Partners	Indirect evidence	New York, NY, United StatesHQ checked Sep 5, 2026	n/a	904 contacts →
	Indirect evidence “Nassau Street Partners is an independent capital advisory firm focused on mergers and acquisitions, capital markets advisory, and strategic financial solutions for early-stage and…” Source: RevenueBase Database · checked Sep 5, 2026
6	TA Associates	Strong evidence	Boston, MA, United StatesHQ checked Sep 5, 2026	201-500	881 contacts →
	Strong evidence “TA is a leading global private equity firm focused on scaling growth in profitable companies.” Source: RevenueBase Database · checked Sep 5, 2026
7	BDT & MSD Partners	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 5, 2026	201-500	504 contacts →
	Indirect evidence “BDT & MSD Partners is a merchant bank serving founders, family business owners, and long-term strategic investors.” Source: RevenueBase Database · checked Sep 5, 2026
8	Siri Infosolutions, INC	Strong evidence	Edison, NJ, United StatesHQ checked Sep 5, 2026	501-1,000	423 contacts →
	Strong evidence “Siri InfoSolutions is a private equity consortium firm that specializes in providing IT staffing services to Fortune 500 clients throughout the United States.” Source: RevenueBase Database · checked Sep 5, 2026
9	W Capital Partners	Strong evidence	New York, NY, United StatesHQ checked Sep 5, 2026	n/a	337 contacts →
	Strong evidence “W Capital Partners is a private equity firm that provides secondary liquidity to shareholders in private businesses and growth capital for those companies.” Source: RevenueBase Database · checked Sep 5, 2026
10	Shore Capital Partners	Strong evidence	Chicago, IL, United StatesHQ checked Sep 5, 2026	51-200	327 contacts →
	Strong evidence “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…” Source: RevenueBase Database · checked Sep 5, 2026
11	Geller	Partial evidence	New York, NY, United StatesHQ checked Sep 5, 2026	51-200	310 contacts →
	Partial evidence “Geller provides financial services and strategic advisory to private companies and not-for-profit organizations.” Source: RevenueBase Database · checked Sep 5, 2026
12	Alpha Alternatives	Strong evidence	New York, United StatesHQ checked Sep 5, 2026	201-500	301 contacts →
	Strong evidence “Alpha Alternatives is the specialist alternatives consulting division of Alpha FMC, dedicated to creating value for private markets clients-including Private Equity, Private Debt…” Source: RevenueBase Database · checked Sep 5, 2026
13	JM Search	Strong evidence	King Of Prussia, PA, United StatesHQ checked Sep 5, 2026	201-500	290 contacts →
	Strong evidence “JM Search is the leading retained executive search firm for private equity, and other growth-oriented private and public organizations.” Source: RevenueBase Database · checked Sep 5, 2026
14	GGG Partners, LLC Previously Grisanti, Galef & Goldress	Indirect evidence	Atlanta, GA, United StatesHQ checked Sep 5, 2026	n/a	283 contacts →
	Indirect evidence “Partners, LLC has transformed under-performing companies into high performance operations for more than 60 years.” Source: RevenueBase Database · checked Sep 5, 2026
15	Capstone Partners	Indirect evidence	Boston, MA, United StatesHQ checked Sep 5, 2026	51-200	276 contacts →
	Indirect evidence “For over 20 years, Capstone Partners has been a trusted advisor to leading middle market companies, offering a fully integrated range of investment banking and financial advisory…” Source: RevenueBase Database · checked Sep 5, 2026
16	Williamsmarston	Indirect evidence	Boston, MA, United StatesHQ checked Sep 5, 2026	201-500	259 contacts →
	Indirect evidence “WilliamsMarston is a national leader in complex accounting, tax, technology, transaction and valuation advisory services.” Source: RevenueBase Database · checked Sep 5, 2026
17	Bridgepoint Consulting	Partial evidence	Austin, TX, United StatesHQ checked Sep 5, 2026	201-500	250 contacts →
	Partial evidence “Bridgepoint Consulting, an Addison Group company, is a leading management consulting firm that offers a full suite of services and solutions to help companies navigate the…” Source: RevenueBase Database · checked Sep 5, 2026
18	Ducker Carlisle	Partial evidence	Troy, MI, United StatesHQ checked Sep 5, 2026	51-200	238 contacts →
	Partial evidence “Named one of America's Top Management Consulting Firms 2026 by Business Insider, Ducker Carlisle is a global market research, strategy consulting and M&A advisory firm that helps…” Source: RevenueBase Database · checked Sep 5, 2026
19	Generational Group	Indirect evidence	Richardson, TX, United StatesHQ checked Sep 5, 2026	201-500	228 contacts →
	Indirect evidence “Since its beginning in 2005, Generational Group has grown to be one of the leading M&A firms in North America.” Source: RevenueBase Database · checked Sep 5, 2026
20	Marshberry	Partial evidence	Woodmere, OH, United StatesHQ checked Sep 5, 2026	201-500	213 contacts →
	Partial evidence “MarshBerry – Helping Clients Learn, Improve & Realize Value MarshBerry is a global leader in investment banking and consulting dedicated to helping insurance brokerages, and firms…” Source: RevenueBase Database · checked Sep 5, 2026
21	Livingstone	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 5, 2026	51-200	207 contacts →
	Indirect evidence “Livingstone is an international mid-market M&A and debt advisory firm with offices in Amsterdam, Beijing, Chicago, Düsseldorf, Frankfurt, Hamburg, London, Los Angeles, Madrid…” Source: RevenueBase Database · checked Sep 5, 2026
22	Dpo&co.	Strong evidence	Chicago, IL, United StatesHQ checked Sep 5, 2026	51-200	187 contacts →
	Strong evidence “DPO & Co specializes in helping Private Equity firms and their portfolio companies gain fact-based insights during the diligence process and realize post-close synergies and value…” Source: RevenueBase Database · checked Sep 5, 2026
23	LCG Advisors	Indirect evidence	Tampa, FL, United StatesHQ checked Sep 5, 2026	51-200	181 contacts →
	Indirect evidence “Maximizing Value.” Source: RevenueBase Database · checked Sep 5, 2026
24	Portage Point Partners	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 5, 2026	201-500	173 contacts →
	Indirect evidence “Portage Point is a business advisory, interim management and investment banking firm intensely focused on the middle market.” Source: RevenueBase Database · checked Sep 5, 2026
25	Investor Group Services IGS	Indirect evidence	Boston, MA, United StatesHQ checked Sep 5, 2026	51-200	168 contacts →
	Indirect evidence “For over 25 years, IGS has helped investors and management teams make better, faster decisions, from commercial due diligence, to growth strategy, pricing, and go-to-market…” Source: RevenueBase Database · checked Sep 5, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: private equity consulting companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names private equity consulting companies.
Partial evidence: Its own public description names part of private equity consulting companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name private equity consulting companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 3,920 private equity consulting companies based in the United States

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Private equity consulting companies based in the United States at a glance

As of Sep 5, 2026

44.1%Verified-email coverage

36.1%Mobile-number coverage

10.6Average contacts per company

1-10Median size (employees)

12.6%Largest-city concentration · New York

Sep 5, 2026Page data refreshed

Companies by employee count

1-10

2,923

11-50

812

51-200

138

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

16,9970–30

1,16131–60

1461–90

990–180

70180+

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among private equity consulting companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in the United States whose own description of what they do matches “private equity consulting companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names private equity consulting companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among private equity consulting companies, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 18,251 across the full list. 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 5, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Private equity consulting companies by metro

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names private equity consulting companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many private equity consulting companies are there based in the United States?

RevenueBase identified 3,920 private equity consulting companies headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

L.E.K. Consulting, headquartered in Boston, tops this list with the largest team on record.

Which city has the most private equity consulting companies?

New York leads with 494 headquartered companies, followed by Chicago (180) and Los Angeles (114).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 18,251 verified decision-maker contacts tracked across these 3,920 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 5, 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 Smart Search, 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.