Company lists · Data refreshed September 2026

Top 25 Data transformation consultancies worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 23,292 companies tracked

RevenueBase identified 23,292 company matches for data transformation consultancies worldwide as of September 2026 and tracks 1,290,465 professional contacts across them, including 387,216 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 September 28, 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 Sep 28, 2026 How this list was built

23,292Companies

1,290,465Contacts tracked

387,216Verified 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 23,292 company matches for data transformation consultancies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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	Infosys	Exact match	Bangalore, IndiaHQ recorded Sep 28, 2026	10001+	323,099 contacts →
	Exact match “Infosys is a global leader in next-generation digital services and consulting.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Accenture In India	Exact match	Bengaluru, IndiaHQ recorded Sep 28, 2026	10001+	74,008 contacts →
	Exact match “Accenture is a global professional services company with leading capabilities in digital, cloud and security.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Epam Systems	Exact match	Newtown, PA, United StatesHQ recorded Sep 28, 2026	10001+	60,211 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 · Sep 28, 2026 · View company records in RevenueBase
4	Mphasis	Exact match	Bangalore, IndiaHQ recorded Sep 28, 2026	10001+	43,484 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 · Sep 28, 2026 · View company records in RevenueBase
5	EXL	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	10001+	40,100 contacts →
	Exact match “Choosing a digital partner is about more than capabilities, it’s about collaboration and character.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Sopra Steria	Exact match	Paris, FranceHQ recorded Sep 28, 2026	10001+	36,960 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 · Sep 28, 2026 · View company records in RevenueBase
7	UST	Exact match	Aliso Viejo, CA, United StatesHQ recorded Sep 28, 2026	10001+	34,875 contacts →
	Exact match “UST is a global digital transformation solutions provider.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Teksystems	Exact match	Hanover, MD, United StatesHQ recorded Sep 28, 2026	10001+	24,693 contacts →
	Exact match “We’re TEKsystems and TEKsystems Global Services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	Nagarro	Exact match	Munich, GermanyHQ recorded Sep 28, 2026	10001+	18,676 contacts →
	Exact match “Nagarro helps future-proof your business through a forward-thinking, fluidic, and CARING mindset.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Synechron	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	10001+	12,820 contacts →
	Exact match “At Synechron, we believe in the power of digital to transform businesses for the better.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Stefanini Brasil	Exact match	São Paulo, BrazilHQ recorded Sep 28, 2026	10001+	11,491 contacts →
	Exact match “Global Tech Consulting Company All in One.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Bearingpoint	Exact match	Amsterdam, NetherlandsHQ recorded Sep 28, 2026	5,001-10,000	8,106 contacts →
	Exact match “BearingPoint is an independent management and technology consultancy.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Yash Technologies	Exact match	East Moline, IL, United StatesHQ recorded Sep 28, 2026	5,001-10,000	7,769 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 · Sep 28, 2026 · View company records in RevenueBase
14	CAPCO	Exact match	London, United KingdomHQ recorded Sep 28, 2026	5,001-10,000	7,396 contacts →
	Exact match “Capco, a Wipro company, is a global technology and management consultancy specializing in driving digital transformation in the financial services industry.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Stefanini Group	Exact match	São Paulo, BrazilHQ recorded Sep 28, 2026	10001+	6,203 contacts →
	Exact match “Global Tech Consulting Company All in One.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Wavestone	Exact match	100-101 Terrasse Boieldieu, FranceHQ recorded Sep 28, 2026	1,001-5,000	6,190 contacts →
	Exact match “Wavestone is a leading consulting firm operating at the intersection of business and technology.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Tiger Analytics	Exact match	Santa Clara, CA, United StatesHQ recorded Sep 28, 2026	5,001-10,000	6,160 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 · Sep 28, 2026 · View company records in RevenueBase
18	Seidor	Exact match	Barcelona, SpainHQ recorded Sep 28, 2026	5,001-10,000	6,133 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 · Sep 28, 2026 · View company records in RevenueBase
19	SII Poland	Exact match	Warszawa, PolandHQ recorded Sep 28, 2026	5,001-10,000	5,519 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 · Sep 28, 2026 · View company records in RevenueBase
20	ACT Digital	Exact match	Barueri, BrazilHQ recorded Sep 28, 2026	5,001-10,000	5,473 contacts →
	Exact match “act digital is a global digital transformation consulting group.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Ness Digital Engineering	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	1,001-5,000	5,336 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 · Sep 28, 2026 · View company records in RevenueBase
22	Groupe SII	Exact match	Paris, FranceHQ recorded Sep 28, 2026	10001+	4,928 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 · Sep 28, 2026 · View company records in RevenueBase
23	Merkle	Exact match	Columbia, MD, United StatesHQ recorded Sep 28, 2026	10001+	4,731 contacts →
	Exact match “Merkle, a dentsu company, powers the experience economy.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Incedo INC	Exact match	Florham Park, NJ, United StatesHQ recorded Sep 28, 2026	1,001-5,000	4,261 contacts →
	Exact match “Incedo is a global AI and data transformation specialist empowering companies to realize sustainable business impact from their digital investments by delivering ROI from AI@Scale.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Accenture Dach	Exact match	Kronberg Im Taunus, GermanyHQ recorded Sep 28, 2026	10001+	3,644 contacts →
	Exact match “Über Accenture: Wir sind die weltweit führenden Berater für Strategie, Management, Digitalisierung, Technologie, Outsourcing und Business Transformation.” Recorded in the RevenueBase company graph · Sep 28, 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 transformation 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 23,292 data transformation consultancies worldwide

See the full list, filter by size, metro and specialty, and access 387,216 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 Sep 28, 2026

30.0%Verified-email coverage

55.4Average contacts per company

1-10Median size (employees)

3.7%Largest-city concentration · London

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

13,402

11-50

6,338

51-200

2,369

201-500

575

501-1,000

239

1,001-5,000

227

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 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 387,216 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 September 28, 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

146 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 23,292 company matches for data transformation consultancies worldwide as of September 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 3,144 companies, followed by India (1,956) and the United Kingdom (1,882). 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 867 company records, followed by Paris (613) and Sao Paulo (329).

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 387,216 professional contacts with verified work emails tracked across these 23,292 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 September 28, 2026.

Ready to reach these companies? Verified emails and direct dials for all 23,292 data transformation consultancies worldwide. Start with a free account, no credit card.

Download this list →

Related lists

Browse the directory

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.