Company lists · Data refreshed September 2026

Top 25 Digital transformation consulting service providers worldwide

RevenueBase identified 52,352 digital transformation consulting service providers worldwide as of September 2026 and tracks 3,290,253 professional contacts across them, including 1,047,679 with verified work emails and 276,048 with mobile numbers. The United States is the largest market and London the largest hub.

This list covers digital transformation consulting service providers 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 29, 2026. Country and city lists for digital transformation consulting service providers 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 29, 2026 86% judged on-target in blind review
52,352Companies
3,290,253Contacts tracked
1,047,679Verified emails
276,048Mobile numbers
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The 25 largest digital transformation consulting service providers worldwide

Ranked by team size
Top 25 of 52,352 digital transformation consulting service providers worldwide, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to digital transformation consulting service providers: 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
1Partial evidenceDublin 2, IrelandHQ checked Sep 29, 202610001+551,347 contacts →

Partial evidence

“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.”

Source: RevenueBase Database · checked Sep 29, 2026
2Partial evidenceParis, FranceHQ checked Sep 29, 202610001+284,286 contacts →

Partial evidence

“Capgemini is an AI-powered global business and technology transformation partner, delivering tangible business value.”

Source: RevenueBase Database · checked Sep 29, 2026
3Strong evidence95877 Bezons, FranceHQ checked Sep 29, 202610001+82,557 contacts →

Strong evidence

“Atos Group is a global leader in digital transformation with c.”

Source: RevenueBase Database · checked Sep 29, 2026
4Strong evidenceNewtown, PA, United StatesHQ checked Sep 29, 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 29, 2026
5Partial evidenceKawasaki, JapanHQ checked Sep 29, 202610001+48,199 contacts →

Partial evidence

“Fujitsu is a global leader in digital services that transform organizations and the world around us.”

Source: RevenueBase Database · checked Sep 29, 2026
6Partial evidenceNew York, NY, United StatesHQ checked Sep 29, 202610001+40,100 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
7Strong evidenceVancouver, BC, CanadaHQ checked Sep 29, 202610001+38,300 contacts →

Strong evidence

“TELUS Digital crafts unique and enduring experiences for customers and employees, and creates future-focused digital transformations that stand the test of time.”

Source: RevenueBase Database · checked Sep 29, 2026
8Strong evidenceParis, FranceHQ checked Sep 29, 202610001+36,960 contacts →

Strong 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 29, 2026
9Strong evidenceAliso Viejo, CA, United StatesHQ checked Sep 29, 202610001+34,875 contacts →

Strong evidence

“UST is a global digital transformation solutions provider.”

Source: RevenueBase Database · checked Sep 29, 2026
10Partial evidenceFlorham Park, NJ, United StatesHQ checked Sep 29, 202610001+30,315 contacts →

Partial evidence

“Conduent delivers digital business solutions and services spanning the commercial, government and transportation spectrum – creating valuable outcomes for its clients and the…”

Source: RevenueBase Database · checked Sep 29, 2026
11Indirect evidenceSouthborough, MA, United StatesHQ checked Sep 29, 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 29, 2026
12Indirect evidenceSanta Clara, CA, United StatesHQ checked Sep 29, 202610001+28,867 contacts →

Indirect evidence

“ServiceNow (NYSE: NOW) makes the world work better for everyone.”

Source: RevenueBase Database · checked Sep 29, 2026
13Partial evidenceSan Francisco, CA, United StatesHQ checked Sep 29, 202610001+26,919 contacts →

Partial evidence

“At Globant, we create the digitally-native products that people love.”

Source: RevenueBase Database · checked Sep 29, 2026
14Indirect evidenceHanover, MD, United StatesHQ checked Sep 29, 202610001+24,693 contacts →

Indirect evidence

“We’re TEKsystems and TEKsystems Global Services.”

Source: RevenueBase Database · checked Sep 29, 2026
15Indirect evidencePlano, TX, United StatesHQ checked Sep 29, 202610001+22,390 contacts →

Indirect evidence

“NTT DATA, Inc.”

Source: RevenueBase Database · checked Sep 29, 2026
16Indirect evidenceMunich, GermanyHQ checked Sep 29, 202610001+18,676 contacts →

Indirect evidence

“Nagarro helps future-proof your business through a forward-thinking, fluidic, and CARING mindset.”

Source: RevenueBase Database · checked Sep 29, 2026
17Partial evidenceSt.-ouen, United StatesHQ checked Sep 29, 202610001+18,512 contacts →

Partial evidence

“Inetum is a European leader in digital services.”

Source: RevenueBase Database · checked Sep 29, 2026
18Indirect evidenceBoulogne-billancourt Cedex, FranceHQ checked Sep 29, 202610001+17,044 contacts →

Indirect evidence

“ALTEN is committed to meeting the expectations of its stakeholders and anticipating their requirements in the fields of innovation, R&D, and technological information systems.”

Source: RevenueBase Database · checked Sep 29, 2026
19Indirect evidenceAlcobendas, SpainHQ checked Sep 29, 202610001+15,041 contacts →

Indirect evidence

“We are one of the world's leading consultancies in technological services for companies and the public sector.”

Source: RevenueBase Database · checked Sep 29, 2026
20Partial evidencePlano, TX, United StatesHQ checked Sep 29, 20265,001-10,00014,467 contacts →

Partial evidence

“We help organizations of all sizes digitally transform using software, hardware and services from the Siemens Xcelerator business platform.”

Source: RevenueBase Database · checked Sep 29, 2026
21Strong evidenceSaint Quentin En Yvelines, ItalyHQ checked Sep 29, 202610001+13,436 contacts →

Strong evidence

“Expleo is a global engineering, technology and consulting service provider that partners with leading organisations to guide them through their business transformation, helping…”

Source: RevenueBase Database · checked Sep 29, 2026
22Indirect evidenceChandler, AZ, United StatesHQ checked Sep 29, 202610001+12,899 contacts →

Indirect evidence

“Insight Enterprises, Inc.”

Source: RevenueBase Database · checked Sep 29, 2026
23Indirect evidenceRockville, MD, United StatesHQ checked Sep 29, 202610001+12,891 contacts →

Indirect evidence

“Infinite is a.”

Source: RevenueBase Database · checked Sep 29, 2026
24Partial evidenceNew York, NY, United StatesHQ checked Sep 29, 202610001+12,820 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
25Indirect evidenceBoston, MA, United StatesHQ checked Sep 29, 20265,001-10,00012,575 contacts →

Indirect evidence

“PTC (NASDAQ: PTC) unleashes industrial innovation with award-winning, market-proven solutions that enable companies to differentiate their products and services, improve…”

Source: RevenueBase Database · checked Sep 29, 2026

Showing 25 of 52,352 digital transformation consulting service providers worldwide

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Digital transformation consulting service providers worldwide at a glance

As of Sep 29, 2026
31.8%Verified-email coverage
8.4%Mobile-number coverage
62.8Average contacts per company
1-10Median size (employees)
4.3%Largest-city concentration · London
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
30,624
11-50
13,183
51-200
5,424
201-500
1,542
501-1,000
632
1,001-5,000
567
5,001-10,000
109
10001+
184

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 digital transformation consulting service providers, 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
42 countries, largest first: the United States, Germany, the United Kingdom, France, Brazil, Canada, Australia, Spain, Italy, the Netherlands and 32 more. Country and city lists for digital transformation consulting service providers are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “digital transformation consulting service providers”. 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 digital transformation consulting service providers), 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 digital transformation consulting service providers, 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, 1,047,679 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 29, 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.

Digital transformation consulting service providers by location

275 lists · largest first

Every Digital transformation consulting service providers 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 digital transformation consulting service providers, 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 digital transformation consulting service providers are there worldwide?

RevenueBase identified 52,352 digital transformation consulting service providers 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?

Accenture, headquartered in Worldwide, tops this list with the largest team on record.

Which country has the most digital transformation consulting service providers?

The United States leads with 13,570 companies, followed by Germany (5,037) and the United Kingdom (4,818). Every digital transformation consulting service providers list by country and city is linked on this page.

Which city has the most digital transformation consulting service providers?

London leads with 2271 headquartered companies, followed by Paris (1492) and Sao Paulo (1036).

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 1,047,679 verified decision-maker contacts tracked across these 52,352 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 29, 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.