Company lists · Data refreshed November 2026

Top 25 B2B business consultants worldwide

Name: B2B business consultants worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 139,398 companies tracked

RevenueBase identified 139,398 company matches for B2B business consultants worldwide as of November 2026 and tracks 1,292,172 professional contacts across them, including 365,086 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for B2B business consultants 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 November 6, 2026. Country and city lists for B2B business consultants 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 Nov 6, 2026 How this list was built

139,398Companies

1,292,172Contacts tracked

365,086Verified emails

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The 25 largest B2B business consultants worldwide

Ranked by team size

Top 25 of 139,398 company matches for B2B business consultants worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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	Mckinsey & Company	Exact match	n/a	10001+	52,155 contacts →
	Exact match “McKinsey & Company is a global management consulting firm.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	EXL	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	10001+	46,962 contacts →
	Exact match “Choosing a digital partner is about more than capabilities, it’s about collaboration and character.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Boston Consulting Group BCG	Exact match	Boston, MA, United StatesHQ recorded Nov 6, 2026	10001+	35,975 contacts →
	Exact match “Boston Consulting Group partners with leaders in business and society to tackle their most important challenges and capture their greatest opportunities.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Bain & Company	Exact match	Boston, MA, United StatesHQ recorded Nov 6, 2026	10001+	23,264 contacts →
	Exact match “Bain & Company is a global consultancy that helps the world’s most ambitious change makers define the future.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Ey-Parthenon	Exact match	London, IsraelHQ recorded Nov 6, 2026	10001+	19,017 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 · Nov 6, 2026 · View company records in RevenueBase
6	ZS	Exact match	Evanston, United StatesHQ recorded Nov 6, 2026	10001+	18,455 contacts →
	Exact match “ZS is a management consulting and technology firm that partners with companies to improve life and how we live it.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Alvarez & Marsal	Exact match	New York, IL, United StatesHQ recorded Nov 6, 2026	10001+	14,637 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 · Nov 6, 2026 · View company records in RevenueBase
8	Slalom	Exact match	Seattle, BC, United StatesHQ recorded Nov 6, 2026	10001+	10,313 contacts →
	Exact match “Slalom is a fiercely human business and technology consulting company that leads with outcomes to bring more value, in all ways, always.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Protiviti	Exact match	Menlo Park, United StatesHQ recorded Nov 6, 2026	5,001-10,000	9,086 contacts →
	Exact match “Protiviti is a global consulting firm that delivers deep expertise, objective insights, a tailored approach and unparalleled collaboration to help leaders confidently face the…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Bearingpoint	Exact match	Amsterdam, NetherlandsHQ recorded Nov 6, 2026	5,001-10,000	8,777 contacts →
	Exact match “BearingPoint is an independent management and technology consultancy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	HURON	Exact match	Chicago, United StatesHQ recorded Nov 6, 2026	5,001-10,000	8,328 contacts →
	Exact match “Huron is a global professional services firm that collaborates with organizations to solve complex challenges and achieve ambitious goals.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Yash Technologies	Exact match	East Moline, ON, United StatesHQ recorded Nov 6, 2026	5,001-10,000	8,131 contacts →
	Exact match “YASH Technologies is a consulting-led transformation partner with a proven track record of helping customers address their current and prospective digital transformation…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Kearney	Exact match	Chicago, United StatesHQ recorded Nov 6, 2026	5,001-10,000	7,451 contacts →
	Exact match “As one of the original firms, we’ve never lost sight of the fact that consulting is a people business.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Accenture Strategy & Consulting	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	5,001-10,000	7,199 contacts →
	Exact match “Accenture Strategy combines deep industry expertise, advanced analytics capabilities and human-led design methodologies that enable clients to act with speed and confidence.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Wavestone	Exact match	100-101 Terrasse Boieldieu, FranceHQ recorded Nov 6, 2026	1,001-5,000	6,512 contacts →
	Exact match “Wavestone is a leading consulting firm operating at the intersection of business and technology.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	AZETS	Exact match	London, United KingdomHQ recorded Nov 6, 2026	5,001-10,000	5,964 contacts →
	Exact match “Azets is an international business advisory group, with local experts in 190 locations across eight countries, backed by progressive technology.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Eficacia	Exact match	Cali, ColombiaHQ recorded Nov 6, 2026	10001+	5,573 contacts →
	Exact match “Incrementamos la productividad y eficiencia de nuestros clientes- Más de 40 años de experiencia en el mercado- Líderes en Soluciones de Mercadeo, Trade Marketing, Ventas y Gestión…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Bank Of The West	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	n/a	5,345 contacts →
	Exact match “We help businesses and nonprofits grow, communicate, and succeed, professionally and affordably.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Amaris Consulting Part Of Mantu	Exact match	Chêne-bourg, SwitzerlandHQ recorded Nov 6, 2026	5,001-10,000	5,223 contacts →
	Exact match “Amaris Consulting is an independent technology consulting firm providing guidance and solutions to businesses.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Roland Berger	Exact match	Munich, GermanyHQ recorded Nov 6, 2026	1,001-5,000	5,034 contacts →
	Exact match “Roland Berger is the only leading global strategy consultancy of European origin.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Management Solutions	Exact match	Madrid, SpainHQ recorded Nov 6, 2026	1,001-5,000	4,730 contacts →
	Exact match “Management Solutions is a leading provider of business consulting services for regulated industries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	L.E.K. Consulting	Exact match	Boston, United StatesHQ recorded Nov 6, 2026	1,001-5,000	4,270 contacts →
	Exact match “L.E.K.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	SX Negócios	Exact match	Novo Hamburgo, BrazilHQ recorded Nov 6, 2026	5,001-10,000	4,016 contacts →
	Exact match “Somos a Pulse Client Experts, uma empresa em constante evolução, impulsionados pela vontade de fazer acontecer.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Alixpartners	Exact match	New York, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,786 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Accenture Dach	Exact match	Kronberg Im Taunus, GermanyHQ recorded Nov 6, 2026	10001+	3,586 contacts →
	Exact match “Über Accenture: Wir sind die weltweit führenden Berater für Strategie, Management, Digitalisierung, Technologie, Outsourcing und Business Transformation.” Recorded in the RevenueBase company graph · Nov 6, 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 “B2B business consultants”. 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 139,398 B2B business consultants worldwide

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B2B business consultants worldwide at a glance

As of Nov 6, 2026

28.3%Verified-email coverage

9.3Average contacts per company

1-10Median size (employees)

2.1%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

104,854

11-50

26,251

51-200

5,361

201-500

1,209

501-1,000

378

1,001-5,000

287

5,001-10,000

10001+

105

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 B2B business consultants are linked below.
What qualifies: Company records worldwide whose business descriptions match “B2B business consultants” 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 365,086 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 November 6, 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.

B2B business consultants by location

519 lists · largest first

Every B2B business 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 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 “B2B business consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many B2B business consultants are there worldwide?

RevenueBase identified 139,398 company matches for B2B business consultants worldwide as of November 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?

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

Which country has the most B2B business consultants?

The United States leads with 28,088 companies, followed by the United Kingdom (8,105) and Brazil (7,927). Every B2B business consultants list by country and city is linked on this page.

Which city has the most B2B business consultants?

London leads with 2974 company records, followed by Sao Paulo (2159) and Paris (1670).

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 365,086 professional contacts with verified work emails tracked across these 139,398 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 November 6, 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.