Company lists · Data refreshed September 2026

Top 25 Boutique management consultants worldwide

RevenueBase identified 100,674 boutique management consultants worldwide as of September 2026 and tracks 811,824 professional contacts across them, including 279,644 with verified work emails and 134,323 with mobile numbers. The United States is the largest market and London the largest hub.

This list covers boutique management consultants 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 boutique management consultants 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review
100,674Companies
811,824Contacts tracked
279,644Verified emails
134,323Mobile numbers
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The 25 largest boutique management consultants worldwide

Ranked by team size
Top 25 of 100,674 boutique management consultants worldwide, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to boutique management consultants: 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceNew York, NY, United StatesHQ checked Sep 28, 202610001+40,100 contacts →

Indirect evidence

“Choosing a digital partner is about more than capabilities, it’s about collaboration and character.”

Source: RevenueBase Database · checked Sep 28, 2026
2Indirect evidenceBoston, MA, United StatesHQ checked Sep 28, 202610001+38,730 contacts →

Indirect evidence

“Boston Consulting Group partners with leaders in business and society to tackle their most important challenges and capture their greatest opportunities.”

Source: RevenueBase Database · checked Sep 28, 2026
3Indirect evidenceLondon, United KingdomHQ checked Sep 28, 202610001+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
4Partial evidenceEvanston, IL, United StatesHQ checked Sep 28, 202610001+16,896 contacts →

Partial evidence

“ZS is a management consulting and technology firm that partners with companies to improve life and how we live it.”

Source: RevenueBase Database · checked Sep 28, 2026
5Indirect evidenceLos Angeles, CA, United StatesHQ checked Sep 28, 202610001+13,486 contacts →

Indirect evidence

“Korn Ferry is a global consulting firm that powers performance.”

Source: RevenueBase Database · checked Sep 28, 2026
6Indirect evidenceNew York, NY, United StatesHQ checked Sep 28, 202610001+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
7Indirect evidenceMenlo Park, CA, United StatesHQ checked Sep 28, 20265,001-10,0008,779 contacts →

Indirect evidence

“Protiviti is a global consulting firm that delivers deep expertise, objective insights, a tailored approach and unparalleled collaboration to help leaders confidently face the…”

Source: RevenueBase Database · checked Sep 28, 2026
8Indirect evidenceNew York, NY, United StatesHQ checked Sep 28, 20265,001-10,0008,230 contacts →

Indirect evidence

“At Oliver Wyman, a Marsh business, we bring deep industry insight, bold innovation, and a collaborative approach that cuts through complexity to help organizations navigate their…”

Source: RevenueBase Database · checked Sep 28, 2026
9Strong evidenceAmsterdam, NetherlandsHQ checked Sep 28, 20265,001-10,0008,106 contacts →

Strong evidence

“BearingPoint is an independent management and technology consultancy.”

Source: RevenueBase Database · checked Sep 28, 2026
10Indirect evidenceChicago, IL, United StatesHQ checked Sep 28, 20265,001-10,0006,978 contacts →

Indirect 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
11Indirect evidence100-101 Terrasse Boieldieu, FranceHQ checked Sep 28, 20261,001-5,0006,190 contacts →

Indirect evidence

“Wavestone is a leading consulting firm operating at the intersection of business and technology.”

Source: RevenueBase Database · checked Sep 28, 2026
12Indirect evidenceChicago, IL, United StatesHQ checked Sep 28, 20265,001-10,0005,514 contacts →

Indirect evidence

“Accenture Strategy combines deep industry expertise, advanced analytics capabilities and human-led design methodologies that enable clients to act with speed and confidence.”

Source: RevenueBase Database · checked Sep 28, 2026
13Indirect evidenceNew York, NY, United StatesHQ checked Sep 28, 20261,001-5,0005,082 contacts →

Indirect evidence

“From strategy to execution.”

Source: RevenueBase Database · checked Sep 28, 2026
14Partial evidenceMunich, GermanyHQ checked Sep 28, 20261,001-5,0004,632 contacts →

Partial evidence

“Roland Berger is the only leading global strategy consultancy of European origin.”

Source: RevenueBase Database · checked Sep 28, 2026
15Partial evidenceMadrid, SpainHQ checked Sep 28, 20261,001-5,0004,468 contacts →

Partial evidence

“Management Solutions is a leading provider of business consulting services for regulated industries.”

Source: RevenueBase Database · checked Sep 28, 2026
16Indirect evidenceBoston, MA, United StatesHQ checked Sep 28, 20261,001-5,0004,093 contacts →

Indirect evidence

“L.E.K.”

Source: RevenueBase Database · checked Sep 28, 2026
17Partial evidenceKronberg Im Taunus, GermanyHQ checked Sep 28, 202610001+3,644 contacts →

Partial evidence

“Über Accenture: Wir sind die weltweit führenden Berater für Strategie, Management, Digitalisierung, Technologie, Outsourcing und Business Transformation.”

Source: RevenueBase Database · checked Sep 28, 2026
18Indirect evidenceNew York, NY, United StatesHQ checked Sep 28, 20261,001-5,0003,583 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
19Indirect evidenceChicago, IL, United StatesHQ checked Sep 28, 20261,001-5,0003,376 contacts →

Indirect evidence

“Heidrick & Struggles is the premier provider of executive search, corporate culture and leadership consulting services.”

Source: RevenueBase Database · checked Sep 28, 2026
20Indirect evidenceSomerset, NJ, United StatesHQ checked Sep 28, 2026n/a3,285 contacts →

Indirect evidence

“For over 25 years, eTeam has been trusted by global organizations to lead high-stakes programs where execution matters as much as strategy.”

Source: RevenueBase Database · checked Sep 28, 2026
21Indirect evidenceSan Antonio, TX, United StatesHQ checked Sep 28, 20261,001-5,0002,330 contacts →

Indirect evidence

“For over six decades, Frost & Sullivan has helped the world’s top companies toward transformational growth journeys that result in a stream of innovative growth opportunities.”

Source: RevenueBase Database · checked Sep 28, 2026
22Indirect evidenceBrussels, BelgiumHQ checked Sep 28, 20261,001-5,0002,186 contacts →

Indirect evidence

“As people, organizations and societies embrace change at pace, its leaders must anticipate, innovate and transform ever faster.”

Source: RevenueBase Database · checked Sep 28, 2026
23Indirect evidenceLondon, United KingdomHQ checked Sep 28, 20261,001-5,0002,179 contacts →

Indirect evidence

“Baringa is a global consulting firm that helps leaders drive meaningful change and create value.”

Source: RevenueBase Database · checked Sep 28, 2026
24Indirect evidenceJericho, NY, PalestineHQ checked Sep 28, 20261,001-5,0001,954 contacts →

Indirect evidence

“J.S.”

Source: RevenueBase Database · checked Sep 28, 2026
25Indirect evidenceNew York City, NY, United StatesHQ checked Sep 28, 20261,001-5,0001,930 contacts →

Indirect evidence

“Teneo is the global CEO advisory firm.”

Source: RevenueBase Database · checked Sep 28, 2026

Showing 25 of 100,674 boutique management consultants worldwide

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Boutique management consultants worldwide at a glance

As of Sep 28, 2026
34.4%Verified-email coverage
16.5%Mobile-number coverage
8.1Average contacts per company
1-10Median size (employees)
3.3%Largest-city concentration · London
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
81,570
11-50
15,057
51-200
2,802
201-500
541
501-1,000
221
1,001-5,000
148
5,001-10,000
24
10001+
48

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 boutique management consultants, 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
41 countries, largest first: the United States, Brazil, the United Kingdom, France, Germany, Canada, Australia, Spain, the Netherlands, Mexico and 31 more. Country and city lists for boutique management consultants are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “boutique management consultants”. 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 boutique management consultants), 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 boutique management consultants, 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, 279,644 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.

Boutique management consultants by location

386 lists · largest first

Every Boutique management consultants 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 boutique management consultants, 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 boutique management consultants are there worldwide?

RevenueBase identified 100,674 boutique management consultants 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?

EXL, headquartered in New York, tops this list with the largest team on record.

Which country has the most boutique management consultants?

The United States leads with 34,444 companies, followed by Brazil (8,880) and the United Kingdom (8,577). Every boutique management consultants list by country and city is linked on this page.

Which city has the most boutique management consultants?

London leads with 3356 headquartered companies, followed by Sao Paulo (2607) and Paris (2219).

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 279,644 verified decision-maker contacts tracked across these 100,674 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.