Company lists · Data refreshed November 2026

Top 25 Data transformation consultancies worldwide

RevenueBase identified 39,092 company matches for data transformation consultancies worldwide as of November 2026 and tracks 1,671,905 professional contacts across them, including 512,874 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for data transformation 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 5, 2026. Country and city lists for data transformation 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 5, 2026 How this list was built
39,092Companies
1,671,905Contacts tracked
512,874Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest data transformation consultancies worldwide

Ranked by team size
Top 25 of 39,092 company matches for data transformation consultancies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchBangalore, IndiaHQ recorded Nov 5, 202610001+339,644 contacts →

Exact match

“Infosys is a global leader in next-generation digital services and consulting.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchBangalore, IndiaHQ recorded Nov 5, 202610001+78,030 contacts →

Exact match

“Accenture is a global professional services company with leading capabilities in digital, cloud and security.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchNewtown, United StatesHQ recorded Nov 5, 202610001+64,515 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchNew York, NY, United StatesHQ recorded Nov 5, 202610001+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 5, 2026 · View company records in RevenueBase
5Exact matchBangalore, IndiaHQ recorded Nov 5, 202610001+46,102 contacts →

Exact match

“A leading applied technology services company, we innovate to deliver service excellence and successful outcomes across sales, delivery and development.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchParis, FranceHQ recorded Nov 5, 202610001+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 5, 2026 · View company records in RevenueBase
7Exact matchAliso Viejo, United StatesHQ recorded Nov 5, 202610001+36,699 contacts →

Exact match

“UST is a global digital transformation solutions provider.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchHanover, MD, United StatesHQ recorded Nov 5, 202610001+27,308 contacts →

Exact match

“We’re TEKsystems and TEKsystems Global Services.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchMunich, GermanyHQ recorded Nov 5, 202610001+19,952 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchEvanston, United StatesHQ recorded Nov 5, 202610001+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 5, 2026 · View company records in RevenueBase
11Exact matchParis, FranceHQ recorded Nov 5, 202610001+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 5, 2026 · View company records in RevenueBase
12Exact matchNew York, United StatesHQ recorded Nov 5, 202610001+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 5, 2026 · View company records in RevenueBase
13Exact matchSão Paulo, BrazilHQ recorded Nov 5, 202610001+12,326 contacts →

Exact match

“Global Tech Consulting Company All in One.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchAmsterdam, NetherlandsHQ recorded Nov 5, 20265,001-10,0008,777 contacts →

Exact match

“BearingPoint is an independent management and technology consultancy.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Nov 5, 20265,001-10,0008,190 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 5, 2026 · View company records in RevenueBase
16Exact matchEast Moline, ON, United StatesHQ recorded Nov 5, 20265,001-10,0008,131 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 5, 2026 · View company records in RevenueBase
17Exact matchBarcelona, SpainHQ recorded Nov 5, 20265,001-10,0007,012 contacts →

Exact match

“At SEIDOR we help drive the transformation and competitiveness of our clients through technology and innovation, always focusing on the human value and prioritizing talents and…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchSanta Clara, United StatesHQ recorded Nov 5, 20265,001-10,0006,964 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 5, 2026 · View company records in RevenueBase
19Exact matchSão Paulo, BrazilHQ recorded Nov 5, 202610001+6,752 contacts →

Exact match

“Global Tech Consulting Company All in One.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact match100-101 Terrasse Boieldieu, FranceHQ recorded Nov 5, 20261,001-5,0006,512 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchBarueri, BrazilHQ recorded Nov 5, 20265,001-10,0006,033 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchWarsaw, PolandHQ recorded Nov 5, 20265,001-10,0005,657 contacts →

Exact match

“With over 7 500 Power People, Sii is Poland’s #1 partner for technology consulting, AI-driven digital transformation, engineering, and business services, empowering companies to…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchNew York, NY, United StatesHQ recorded Nov 5, 20261,001-5,0005,488 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 5, 2026 · View company records in RevenueBase
24Exact matchParis, FranceHQ recorded Nov 5, 202610001+5,212 contacts →

Exact match

“Le groupe SII est une société d’ingénierie et de conseil en technologies (ICT) et une entreprise de services numériques (ESN) créée en 1979 par Bernard HUVÉ, ingénieur de…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchJaipur, IndiaHQ recorded Nov 5, 20261,001-5,0004,891 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 5, 2026 · View company records in RevenueBase

Showing 25 of 39,092 data transformation consultancies worldwide

See the full list, filter by size, metro and specialty, and access 512,874 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Data transformation consultancies worldwide at a glance

As of Nov 5, 2026
30.7%Verified-email coverage
42.8Average contacts per company
1-10Median size (employees)
3.2%Largest-city concentration · London
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
23,103
11-50
10,536
51-200
3,689
201-500
900
501-1,000
341
1,001-5,000
298
5,001-10,000
53
10001+
93

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 transformation consultancies are linked below.
What qualifies
Company records worldwide whose business descriptions match “data transformation 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 512,874 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 5, 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 transformation consultancies by location

243 lists · largest first

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

How many data transformation consultancies are there worldwide?

RevenueBase identified 39,092 company matches for data transformation 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?

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

Which country has the most data transformation consultancies?

The United States leads with 6,736 companies, followed by India (3,432) and the United Kingdom (2,711). Every data transformation consultancies list by country and city is linked on this page.

Which city has the most data transformation consultancies?

London leads with 1247 company records, followed by Paris (779) and Sao Paulo (509).

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 512,874 professional contacts with verified work emails tracked across these 39,092 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 5, 2026.

Ready to reach these companies? Verified emails and direct dials for all 39,092 data transformation consultancies worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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.