Company lists · Data refreshed September 2026

Top 25 Analytics transformation consulting firms worldwide

RevenueBase identified 34,109 analytics transformation consulting firms worldwide as of September 2026 and tracks 1,347,766 professional contacts across them, including 503,976 with verified work emails and 151,860 with mobile numbers. The United States is the largest market and London the largest hub.

This list covers analytics transformation 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 analytics transformation 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review
34,109Companies
1,347,766Contacts tracked
503,976Verified emails
151,860Mobile numbers
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The 25 largest analytics transformation consulting firms worldwide

Ranked by team size
Top 25 of 34,109 analytics transformation 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 analytics transformation 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceLondon, United KingdomHQ checked Sep 28, 202610001+375,085 contacts →

Indirect evidence

“EY is building a better working world by creating new value for clients, people, society, the planet, while building trust in the capital markets.”

Source: RevenueBase Database · checked Sep 28, 2026
2Strong evidenceNewtown, PA, United StatesHQ checked Sep 28, 202610001+60,211 contacts →

Strong evidence

“EPAM (NYSE:EPAM) is a global leader in AI transformation engineering and integrated consulting, serving Forbes Global companies and ambitious startups.”

Source: RevenueBase Database · checked Sep 28, 2026
3Indirect 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
4Partial evidenceParis, FranceHQ checked Sep 28, 202610001+36,960 contacts →

Partial evidence

“Sopra Steria, a major Tech player in Europe with employees in nearly 30 countries, is recognised for its consulting, digital services and solutions.”

Source: RevenueBase Database · checked Sep 28, 2026
5Indirect evidenceSouthborough, MA, United StatesHQ checked Sep 28, 202610001+29,613 contacts →

Indirect evidence

“Virtusa is a global product and platform engineering services company that makes experiences better with technology.”

Source: RevenueBase Database · checked Sep 28, 2026
6Partial 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
7Strong evidenceParis, FranceHQ checked Sep 28, 202610001+16,032 contacts →

Strong evidence

“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…”

Source: RevenueBase Database · checked Sep 28, 2026
8Indirect evidenceNew York, NY, United StatesHQ checked Sep 28, 202610001+12,820 contacts →

Indirect evidence

“At Synechron, we believe in the power of digital to transform businesses for the better.”

Source: RevenueBase Database · checked Sep 28, 2026
9Indirect evidenceChicago, IL, United StatesHQ checked Sep 28, 202610001+11,634 contacts →

Indirect evidence

“We are a global technology consultancy that delivers extraordinary impact by blending design, engineering and AI expertise.”

Source: RevenueBase Database · checked Sep 28, 2026
10Partial evidenceSão Paulo, BrazilHQ checked Sep 28, 202610001+11,491 contacts →

Partial evidence

“Global Tech Consulting Company All in One.”

Source: RevenueBase Database · checked Sep 28, 2026
11Partial evidenceSeattle, WA, United StatesHQ checked Sep 28, 202610001+10,032 contacts →

Partial evidence

“Slalom is a fiercely human business and technology consulting company that leads with outcomes to bring more value, in all ways, always.”

Source: RevenueBase Database · checked Sep 28, 2026
12Indirect evidenceSanta Clara, CA, United StatesHQ checked Sep 28, 20265,001-10,0009,674 contacts →

Indirect evidence

“Hitachi Vantara is The Data Foundation for Innovation.”

Source: RevenueBase Database · checked Sep 28, 2026
13Partial evidenceMenlo Park, CA, United StatesHQ checked Sep 28, 20265,001-10,0008,779 contacts →

Partial 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
14Indirect evidenceNew York, NY, United StatesHQ checked Sep 28, 20265,001-10,0008,037 contacts →

Indirect evidence

“We are your global partner in tech-integrated business solutions, turning AI ambition into measurable business impact.”

Source: RevenueBase Database · checked Sep 28, 2026
15Strong evidenceEast Moline, IL, United StatesHQ checked Sep 28, 20265,001-10,0007,769 contacts →

Strong evidence

“YASH Technologies is a consulting-led transformation partner with a proven track record of helping customers address their current and prospective digital transformation…”

Source: RevenueBase Database · checked Sep 28, 2026
16Partial evidenceLondon, United KingdomHQ checked Sep 28, 20265,001-10,0007,396 contacts →

Partial evidence

“Capco, a Wipro company, is a global technology and management consultancy specializing in driving digital transformation in the financial services industry.”

Source: RevenueBase Database · checked Sep 28, 2026
17Indirect evidenceMelbourne, AustraliaHQ checked Sep 28, 2026n/a6,896 contacts →

Indirect evidence

“The way people search is changing.”

Source: RevenueBase Database · checked Sep 28, 2026
18Partial evidenceSão Paulo, BrazilHQ checked Sep 28, 202610001+6,203 contacts →

Partial evidence

“Global Tech Consulting Company All in One.”

Source: RevenueBase Database · checked Sep 28, 2026
19Partial evidence100-101 Terrasse Boieldieu, FranceHQ checked Sep 28, 20261,001-5,0006,190 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
20Indirect evidenceSanta Clara, CA, United StatesHQ checked Sep 28, 20265,001-10,0006,160 contacts →

Indirect evidence

“In a world rife with complexity, we help our customers cut through uncertainty, plan strategically, and execute confidently.”

Source: RevenueBase Database · checked Sep 28, 2026
21Indirect evidenceChicago, IL, United StatesHQ checked Sep 28, 20265,001-10,0005,571 contacts →

Indirect evidence

“At Circana, we measure and accelerate demand.”

Source: RevenueBase Database · checked Sep 28, 2026
22Partial evidenceChicago, IL, United StatesHQ checked Sep 28, 20265,001-10,0005,514 contacts →

Partial 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
23Strong evidenceBarueri, BrazilHQ checked Sep 28, 20265,001-10,0005,473 contacts →

Strong evidence

“act digital is a global digital transformation consulting group.”

Source: RevenueBase Database · checked Sep 28, 2026
24Indirect evidenceFranceHQ checked Sep 28, 20265,001-10,0005,448 contacts →

Indirect evidence

“Valtech is the experience innovation company.”

Source: RevenueBase Database · checked Sep 28, 2026
25Partial evidenceSt Louis, MO, United StatesHQ checked Sep 28, 20265,001-10,0005,336 contacts →

Partial evidence

“Perficient is the global AI and technology consulting firm disrupting the traditional consulting model.”

Source: RevenueBase Database · checked Sep 28, 2026

Showing 25 of 34,109 analytics transformation consulting firms worldwide

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Analytics transformation consulting firms worldwide at a glance

As of Sep 28, 2026
37.4%Verified-email coverage
11.3%Mobile-number coverage
39.5Average contacts per company
1-10Median size (employees)
4.8%Largest-city concentration · London
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
22,513
11-50
7,761
51-200
2,553
201-500
653
501-1,000
232
1,001-5,000
238
5,001-10,000
53
10001+
58

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 analytics transformation 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
40 countries, largest first: the United States, the United Kingdom, Brazil, France, Germany, Canada, Australia, Spain, the Netherlands, Mexico and 30 more. Country and city lists for analytics transformation consulting firms are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “analytics transformation 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 analytics transformation 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 analytics transformation 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, 503,976 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.

Analytics transformation consulting firms by location

200 lists · largest first

Every Analytics transformation 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 analytics transformation 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 analytics transformation consulting firms are there worldwide?

RevenueBase identified 34,109 analytics transformation 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, headquartered in London, tops this list with the largest team on record.

Which country has the most analytics transformation consulting firms?

The United States leads with 11,675 companies, followed by the United Kingdom (3,249) and Brazil (2,448). Every analytics transformation consulting firms list by country and city is linked on this page.

Which city has the most analytics transformation consulting firms?

London leads with 1636 headquartered companies, followed by Paris (976) and Sao Paulo (842).

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 503,976 verified decision-maker contacts tracked across these 34,109 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.