Company lists · Data refreshed September 2026

Top 25 Middle market management consulting firms worldwide

Name: Middle market management consulting firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 41,055 companies tracked

RevenueBase identified 41,055 middle market management consulting firms worldwide as of September 2026 and tracks 272,041 professional contacts across them, including 76,845 with verified work emails. The United States is the largest market and London the largest hub.

This list covers middle market management consulting firms worldwide, 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 28, 2026. Country and city lists for middle market management consulting firms follow the table.

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 RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review

41,055Companies

272,041Contacts tracked

76,845Verified emails

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The 25 largest middle market management consulting firms worldwide

Ranked by team size

Top 25 of 41,055 middle market management consulting firms worldwide, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to middle market management consulting firms: 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	Ey-Parthenon	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	10001+	17,070 contacts →
	Indirect evidence “Our unique combination of transformative strategy, transactions and corporate finance delivers real-world value – solutions that work in practice, not just on paper.” Source: RevenueBase Database · checked Sep 28, 2026
2	Alvarez & Marsal	Indirect evidence	New York, NY, United StatesHQ checked Sep 28, 2026	10001+	13,099 contacts →
	Indirect evidence “Alvarez & Marsal is a leading global professional services firm dedicated to helping organizations tackle their most complex business issues, maximize stakeholder value, and…” Source: RevenueBase Database · checked Sep 28, 2026
3	Kearney	Partial evidence	Chicago, IL, United StatesHQ checked Sep 28, 2026	5,001-10,000	6,978 contacts →
	Partial evidence “As one of the original firms, we’ve never lost sight of the fact that consulting is a people business.” Source: RevenueBase Database · checked Sep 28, 2026
4	Wavestone	Partial evidence	100-101 Terrasse Boieldieu, FranceHQ checked Sep 28, 2026	1,001-5,000	6,190 contacts →
	Partial evidence “Wavestone is a leading consulting firm operating at the intersection of business and technology.” Source: RevenueBase Database · checked Sep 28, 2026
5	Strategy	Indirect evidence	New York, NY, United StatesHQ checked Sep 28, 2026	1,001-5,000	5,082 contacts →
	Indirect evidence “From strategy to execution.” Source: RevenueBase Database · checked Sep 28, 2026
6	L.E.K. Consulting	Indirect evidence	Boston, MA, United StatesHQ checked Sep 28, 2026	1,001-5,000	4,093 contacts →
	Indirect evidence “L.E.K.” Source: RevenueBase Database · checked Sep 28, 2026
7	Alixpartners	Indirect evidence	New York, NY, United StatesHQ checked Sep 28, 2026	1,001-5,000	3,583 contacts →
	Indirect evidence “For more than forty years, AlixPartners has helped businesses around the world respond quickly and decisively to their most critical challenges – circumstances as diverse as…” Source: RevenueBase Database · checked Sep 28, 2026
8	Monitor Deloitte	Indirect evidence	United StatesHQ checked Sep 28, 2026	5,001-10,000	3,116 contacts →
	Indirect evidence “To navigate the future with confidence, organizations need to make and act upon the right choices: clear, timely and inspirational choices that deliver growth in a dynamic…” Source: RevenueBase Database · checked Sep 28, 2026
9	MCA	Strong evidence	Westport, CT, United StatesHQ checked Sep 28, 2026	n/a	1,650 contacts →
	Strong evidence “MCAworks is a strategic marketing consulting firm passionately dedicated to helping our clients accelerate and sustain business growth.” Source: RevenueBase Database · checked Sep 28, 2026
10	EXL Services LTD	Partial evidence	n/a	n/a	1,373 contacts →
	Partial evidence “Established in 1994, we provide a blend of business strategy, marketing services, behavioural change and executive coaching services and techniques to help grow the business of…” Source: RevenueBase Database · checked Sep 28, 2026
11	Riveron	Indirect evidence	Dallas, TX, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,160 contacts →
	Indirect 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 28, 2026
12	W3global	Partial evidence	Frisco, TX, United StatesHQ checked Sep 28, 2026	501-1,000	1,149 contacts →
	Partial evidence “W3Global is a leading provider of end-to-end consulting services, empowering businesses to achieve their strategic goals and optimize their operations.” Source: RevenueBase Database · checked Sep 28, 2026
13	Alpha FMC	Strong evidence	London, IndiaHQ checked Sep 28, 2026	1,001-5,000	1,041 contacts →
	Strong evidence “Alpha Financial Markets Consulting is a leading global consultancy to the financial services industry.” Source: RevenueBase Database · checked Sep 28, 2026
14	Porsche Consulting	Indirect evidence	Stuttgart, GermanyHQ checked Sep 28, 2026	501-1,000	988 contacts →
	Indirect evidence “As a leading consultancy for putting strategies into practice, we have a clear mission: we generate competitive advantage on the basis of measurable results.” Source: RevenueBase Database · checked Sep 28, 2026
15	Eight Advisory	Partial evidence	Paris, FranceHQ checked Sep 28, 2026	501-1,000	895 contacts →
	Partial evidence “Eight Advisory, Europe's leading independent advisory firm specialising in financial, operational and strategy consulting, is involved in transactions, restructuring and…” Source: RevenueBase Database · checked Sep 28, 2026
16	Conseil Départemental	Indirect evidence	FranceHQ checked Sep 28, 2026	n/a	873 contacts →
	Indirect evidence “M&C Consultants est une entreprise spécialisée dans le champ du Conseil en gestion et développement de l'entreprise.” Source: RevenueBase Database · checked Sep 28, 2026
17	Argon & CO	Partial evidence	Levallois-perret, FranceHQ checked Sep 28, 2026	1,001-5,000	858 contacts →
	Partial evidence “Argon & Co is a global management consultancy that specialises in operations strategy and transformation.” Source: RevenueBase Database · checked Sep 28, 2026
18	デロイトトーマツコンサルティング(合同)	Strong evidence	千代田区, JapanHQ checked Sep 28, 2026	501-1,000	696 contacts →
	Strong evidence “is a management consulting company based out of, Japan.” Source: RevenueBase Database · checked Sep 28, 2026
19	SEI	Strong evidence	Cincinnati, OH, United StatesHQ checked Sep 28, 2026	501-1,000	618 contacts →
	Strong evidence “SEI is a management consulting firm delivering fresh perspectives and reliable results.” Source: RevenueBase Database · checked Sep 28, 2026
20	Julhiet Sterwen	Strong evidence	Neuilly Sur Seine, FranceHQ checked Sep 28, 2026	501-1,000	551 contacts →
	Strong evidence “julhiet sterwen is a key player in management, human resources and operational consulting.” Source: RevenueBase Database · checked Sep 28, 2026
21	Sc&h	Partial evidence	Hunt Valley, MD, United StatesHQ checked Sep 28, 2026	201-500	500 contacts →
	Partial evidence “SC & H is an employee-owned, global consulting and financial services firm driving business, technology, and teams forward.” Source: RevenueBase Database · checked Sep 28, 2026
22	GVA	Indirect evidence	Paris, FranceHQ checked Sep 28, 2026	51-200	499 contacts →
	Indirect evidence “Créé en 1975, GVA est composé de 80 personnes, pour près de 10 millions de chiffre d’affaires.” Source: RevenueBase Database · checked Sep 28, 2026
23	Protiviti Italia	Indirect evidence	Milano, ItalyHQ checked Sep 28, 2026	10001+	405 contacts →
	Indirect evidence “Protiviti, parte del gruppo Robert Half, offre a livello globale servizi di consulenza direzionale per aiutare le aziende ad affrontare con fiducia le sfide e i cambiamenti…” Source: RevenueBase Database · checked Sep 28, 2026
24	Kaiser Associates	Indirect evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	51-200	397 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 28, 2026
25	YHB Cpas & Consultants	Indirect evidence	Winchester, VA, United StatesHQ checked Sep 28, 2026	201-500	376 contacts →
	Indirect evidence “We Are All About You That is why we take a holistic approach to assisting clients with growing, managing, and protecting their hard work.” Source: RevenueBase Database · checked Sep 28, 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: middle market management consulting firms. 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 middle market management consulting firms.
Partial evidence: Its own public description names part of middle market management consulting firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name middle market management consulting firms. 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 41,055 middle market management consulting firms worldwide

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Middle market management consulting firms worldwide at a glance

As of Sep 28, 2026

28.2%Verified-email coverage

6.6Average contacts per company

1-10Median size (employees)

1.8%Largest-city concentration · London

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

32,581

11-50

6,779

51-200

1,142

201-500

257

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

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among middle market management consulting firms, 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.
Coverage: Every country. Country and city lists for middle market management consulting firms are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “middle market management consulting firms”. 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 middle market management consulting firms), 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 middle market management consulting firms, and records with no verified work email.
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, 76,845 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 28, 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.

Middle market management consulting firms by location

166 lists · largest first

Every Middle market management 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 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 middle market management consulting firms, 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 middle market management consulting firms are there worldwide?

RevenueBase identified 41,055 middle market management consulting firms worldwide 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?

Ey-Parthenon, headquartered in London, tops this list with the largest team on record.

Which country has the most middle market management consulting firms?

The United States leads with 9,522 companies, followed by Brazil (2,468) and the United Kingdom (2,274). Every middle market management consulting firms list by country and city is linked on this page.

Which city has the most middle market management consulting firms?

London leads with 759 headquartered companies, followed by Sao Paulo (734) and Paris (572).

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 76,845 verified decision-maker contacts tracked across these 41,055 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 28, 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.