Company lists · Data refreshed November 2026

Top 25 Data consultancies worldwide

Name: Data consultancies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 56,318 companies tracked

RevenueBase identified 56,318 company matches for data consultancies worldwide as of November 2026 and tracks 964,876 professional contacts across them, including 309,816 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for data consultancies 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 data consultancies 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

56,318Companies

964,876Contacts tracked

309,816Verified emails

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The 25 largest data consultancies worldwide

Ranked by team size

Top 25 of 56,318 company matches for data consultancies 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	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
2	Nielseniq	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	10001+	27,853 contacts →
	Exact match “NielsenIQ (NIQ) is the world’s leading consumer intelligence company, delivering the most complete understanding of consumer buying behavior and revealing new pathways to growth.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	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
4	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
5	Kantar	Exact match	London, United KingdomHQ recorded Nov 6, 2026	10001+	16,459 contacts →
	Exact match “Kantar is the world’s leading marketing data and analytics business.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Databricks	Exact match	San Francisco, United StatesHQ recorded Nov 6, 2026	5,001-10,000	14,949 contacts →
	Exact match “Databricks is the Data and AI company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Straive	Exact match	Lewiston, ME, SingaporeHQ recorded Nov 6, 2026	10001+	12,953 contacts →
	Exact match “At Straive, we operationalize Data Analytics and AI for global enterprises, working with several Fortune 500 companies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	GFK	Exact match	Nuremberg, GermanyHQ recorded Nov 6, 2026	5,001-10,000	10,926 contacts →
	Exact match “Discover growth opportunities in the Consumer Durables sector with NIQ.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Hitachi Vantara	Exact match	Santa Clara, CA, United StatesHQ recorded Nov 6, 2026	5,001-10,000	9,893 contacts →
	Exact match “Hitachi Vantara is The Data Foundation for Innovation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	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
11	CAPCO	Exact match	London, United KingdomHQ recorded Nov 6, 2026	5,001-10,000	8,190 contacts →
	Exact match “Capco, a Wipro company, is a global technology and management consultancy shaping change in the financial services and energy industries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	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
13	SEO	Exact match	Melbourne, AustraliaHQ recorded Nov 6, 2026	n/a	7,062 contacts →
	Exact match “The way people search is changing.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Tiger Analytics	Exact match	Santa Clara, United StatesHQ recorded Nov 6, 2026	5,001-10,000	6,964 contacts →
	Exact match “In a world rife with complexity, we help our customers cut through uncertainty, plan strategically, and execute confidently.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Circana	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	5,001-10,000	6,003 contacts →
	Exact match “At Circana, we measure and accelerate demand.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	IHS Markit	Exact match	London, United KingdomHQ recorded Nov 6, 2026	10001+	5,597 contacts →
	Exact match “IHS Markit has merged with S&P Global.” 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	Ness Digital Engineering	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	1,001-5,000	5,488 contacts →
	Exact match “Ness Digital Engineering is a global provider of Intelligent Data and Software Engineering services, specializing in data, AI, and cloud-powered solutions that drive innovation…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Celebal Technologies	Exact match	Jaipur, IndiaHQ recorded Nov 6, 2026	1,001-5,000	4,891 contacts →
	Exact match “Celebal Technologies is a premier software services company in the field of Data Science, Big Data and Enterprise Cloud.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Merkle	Exact match	Columbia, MD, United StatesHQ recorded Nov 6, 2026	10001+	4,725 contacts →
	Exact match “Merkle, a dentsu company, powers the experience economy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	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
22	Dynata	Exact match	Westport, CT, United StatesHQ recorded Nov 6, 2026	5,001-10,000	4,268 contacts →
	Exact match “At Dynata, we deliver the highest quality first-party data to help businesses around the world gain precise insights, activate the right audiences, and confidently measure impact.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	TALAN	Exact match	Paris, FranceHQ recorded Nov 6, 2026	5,001-10,000	3,809 contacts →
	Exact match “Founded in France, Talan has grown into an international group that supports our clients in their end-to-end Data & AI transformation by combining management consulting with…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	QLIK	Exact match	King Of Prussia, PA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,589 contacts →
	Exact match “Qlik helps teams get more out of AI with data they can rely on and control.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Acxiom	Exact match	Conway, NY, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,442 contacts →
	Exact match “Acxiom puts data to work, solving complex challenges for the world’s leading brands and agencies.” 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 “data consultancies”. 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 56,318 data consultancies worldwide

See the full list, filter by size, metro and specialty, and access 309,816 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Data consultancies worldwide at a glance

As of Nov 6, 2026

32.1%Verified-email coverage

17.1Average contacts per company

1-10Median size (employees)

4.3%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

37,592

11-50

13,320

51-200

3,777

201-500

843

501-1,000

287

1,001-5,000

222

5,001-10,000

10001+

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 data consultancies are linked below.
What qualifies: Company records worldwide whose business descriptions match “data consultancies” 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 309,816 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.

Data consultancies by location

301 lists · largest first

Every Data consultancies 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 “data consultancies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many data consultancies are there worldwide?

RevenueBase identified 56,318 company matches for data consultancies 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?

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

Which country has the most data consultancies?

The United States leads with 9,902 companies, followed by the United Kingdom (5,308) and India (4,406). Every data consultancies list by country and city is linked on this page.

Which city has the most data consultancies?

London leads with 2423 company records, followed by Sao Paulo (888) and Paris (803).

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 309,816 professional contacts with verified work emails tracked across these 56,318 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.