Company lists · Data refreshed November 2026

Top 25 Consulting services firms worldwide

Name: Consulting services firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 195,874 companies tracked

RevenueBase identified 195,874 company matches for consulting services firms worldwide as of November 2026 and tracks 4,677,665 professional contacts across them, including 1,338,053 with verified work emails. The United States is the largest market and London the largest hub.

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

195,874Companies

4,677,665Contacts tracked

1,338,053Verified emails

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The 25 largest consulting services firms worldwide

Ranked by team size

Top 25 of 195,874 company matches for consulting services firms 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	Accenture	Exact match	Dublin 2, United KingdomHQ recorded Nov 6, 2026	10001+	590,896 contacts →
	Exact match “Accenture helps the world’s leading enterprises reinvent by building their digital core and unleashing the power of AI to create value at speed for organizations across industries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Deloitte	Exact match	United StatesHQ recorded Nov 6, 2026	10001+	511,481 contacts →
	Exact match “Deloitte drives progress.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Infosys	Exact match	Bangalore, IndiaHQ recorded Nov 6, 2026	10001+	339,644 contacts →
	Exact match “Infosys is a global leader in next-generation digital services and consulting.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Tech Mahindra	Exact match	Pune, IndiaHQ recorded Nov 6, 2026	10001+	145,360 contacts →
	Exact match “Tech Mahindra offers technology consulting and digital solutions to global enterprises across industries, enabling transformative scale at unparalleled speed.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	CGI	Exact match	Dallas, TX, ItalyHQ recorded Nov 6, 2026	10001+	91,939 contacts →
	Exact match “Insights you can act on.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	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
7	Telus Digital	Exact match	Vancouver, NV, CanadaHQ recorded Nov 6, 2026	10001+	42,677 contacts →
	Exact match “TELUS Digital crafts unique and enduring experiences for customers and employees, and creates future-focused digital transformations that stand the test of time.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	NTT Data	Exact match	Tokyo, JapanHQ recorded Nov 6, 2026	10001+	42,145 contacts →
	Exact match “NTT DATA – a part of NTT Group – IT and business services headquartered in Tokyo.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Sopra Steria	Exact match	Paris, FranceHQ recorded Nov 6, 2026	10001+	39,122 contacts →
	Exact match “Sopra Steria, a major Tech player in Europe with employees in nearly 30 countries, is recognised for its consulting, digital services and solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	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
11	Teksystems	Exact match	Hanover, MD, United StatesHQ recorded Nov 6, 2026	10001+	27,308 contacts →
	Exact match “We’re TEKsystems and TEKsystems Global Services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	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
13	NTT Data, INC	Exact match	Tokyo, JapanHQ recorded Nov 6, 2026	10001+	21,602 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	LTI	Exact match	Mumbai, IndiaHQ recorded Nov 6, 2026	10001+	20,247 contacts →
	Exact match “LTI is now LTIMindtree, and we are getting businesses to the future, faster.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Cbre Global Workplace Solutions GWS	Exact match	Dallas, TX, United StatesHQ recorded Nov 6, 2026	10001+	19,124 contacts →
	Exact match “From short-term decisions to developing a long-term strategy, CBRE Global Workplace Solutions (GWS) partners with clients to uncover solutions for unique, organizational needs and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	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
17	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
18	Capgemini Invent	Exact match	Paris, FranceHQ recorded Nov 6, 2026	10001+	16,855 contacts →
	Exact match “Capgemini Invent is the digital innovation, consulting and transformation brand of the Capgemini Group, a global business line that combines market leading expertise in strategy…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Kpmg UK	Exact match	London, United KingdomHQ recorded Nov 6, 2026	10001+	14,853 contacts →
	Exact match “Make growth happen.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	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
21	BDO	Exact match	Brussels, BelgiumHQ recorded Nov 6, 2026	10001+	14,501 contacts →
	Exact match “BDO is the leading provider of professional services within the mid-tier of our profession.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Birlasoft	Exact match	Pune, NC, IndiaHQ recorded Nov 6, 2026	10001+	14,500 contacts →
	Exact match “Navigating Change.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Softtek	Exact match	Monterrey, MexicoHQ recorded Nov 6, 2026	10001+	14,096 contacts →
	Exact match “At Softtek, we drive the strategic development of our clients through software engineering.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Synechron	Exact match	New York, United StatesHQ recorded Nov 6, 2026	10001+	13,751 contacts →
	Exact match “At Synechron, we believe in the power of digital to transform businesses for the better.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	CDW	Exact match	Vernon Hills, IL, United StatesHQ recorded Nov 6, 2026	10001+	13,669 contacts →
	Exact match “At CDW, we know how to make technology work so people can do great things.” 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 “consulting services 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 195,874 consulting services firms worldwide

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Consulting services firms worldwide at a glance

As of Nov 6, 2026

28.6%Verified-email coverage

23.9Average contacts per company

1-10Median size (employees)

2.0%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

132,076

11-50

45,467

51-200

12,239

201-500

2,872

501-1,000

894

1,001-5,000

760

5,001-10,000

161

10001+

236

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 consulting services firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “consulting services 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 1,338,053 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.

Consulting services firms by location

728 lists · largest first

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

How many consulting services firms are there worldwide?

RevenueBase identified 195,874 company matches for consulting services firms 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?

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

Which country has the most consulting services firms?

The United States leads with 35,392 companies, followed by India (12,408) and Brazil (10,767). Every consulting services firms list by country and city is linked on this page.

Which city has the most consulting services firms?

London leads with 3921 company records, followed by Sao Paulo (2942) and Paris (2436).

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 1,338,053 professional contacts with verified work emails tracked across these 195,874 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.