Company lists · Data refreshed November 2026

Top 25 Data modernization consulting firms worldwide

RevenueBase identified 29,221 company matches for data modernization consulting firms worldwide as of November 2026 and tracks 1,279,473 professional contacts across them, including 373,415 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for data modernization consulting firms 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 modernization consulting firms 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
29,221Companies
1,279,473Contacts tracked
373,415Verified emails
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The 25 largest data modernization consulting firms worldwide

Ranked by team size
Top 25 of 29,221 company matches for data modernization consulting firms 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 matchAshburn, VA, United StatesHQ recorded Nov 5, 202610001+86,844 contacts →

Exact match

“DXC Technology helps global companies run their mission-critical systems and operations while modernizing IT, optimizing data architectures, and ensuring security and scalability…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact 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
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 matchPune, IndiaHQ recorded Nov 5, 202610001+29,855 contacts →

Exact match

“We are an AI-led, platform-driven Digital Engineering and Enterprise Modernization partner, combining deep technical expertise and industry experience to help our clients…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchSan Jose, United StatesHQ recorded Nov 5, 202610001+18,673 contacts →

Exact match

“Build an intelligent data infrastructure with NetApp that brings it all together, a smarter way to let data thrive.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact 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
9Exact matchBangalore, IndiaHQ recorded Nov 5, 20265,001-10,0007,815 contacts →

Exact match

“Sonata Software Limited is a leading Modernization engineering company, headquartered in Bangalore.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact 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
11Exact 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
12Exact matchNew Delhi, IndiaHQ recorded Nov 5, 20261,001-5,0004,945 contacts →

Exact match

“Our story began in 1987, when our founder, Ranjan Chopra, an alumnus of IIT Kanpur, set out to bridge the gap between business needs and IT solutions in India.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact 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
14Exact matchParis, FranceHQ recorded Nov 5, 20265,001-10,0003,809 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 5, 2026 · View company records in RevenueBase
15Exact matchBolingbrook, IL, United StatesHQ recorded Nov 5, 20261,001-5,0003,615 contacts →

Exact match

“CES is a global technology and transformation partner empowering enterprises to modernize operations, unlock innovation, and create sustainable growth.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchDowners Grove, IL, United StatesHQ recorded Nov 5, 20261,001-5,0003,542 contacts →

Exact match

“Ensono is an expert technology adviser and managed service provider.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchChicago, IL, United StatesHQ recorded Nov 5, 20261,001-5,0003,490 contacts →

Exact match

“AHEAD accelerates strategy into execution by engineering integrated solutions across infrastructure, applications, data, and security.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchAustin, TX, United StatesHQ recorded Nov 5, 20261,001-5,0003,432 contacts →

Exact match

“At Quest Software, we help organizations build modern, trusted foundations for AI.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchUnited StatesHQ recorded Nov 5, 20265,001-10,0003,376 contacts →

Exact match

“To navigate the future with confidence, organizations need to make and act upon the right choices: clear, timely and inspirational choices that deliver growth in a dynamic…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchStreetman, TX, United StatesHQ recorded Nov 5, 2026n/a3,026 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchWaltham, United StatesHQ recorded Nov 5, 20261,001-5,0002,797 contacts →

Exact match

“As a global technology leader, Rocket Software is the partner of choice for organizations transforming their IT from core systems to the cloud.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchJakarta, IndonesiaHQ recorded Nov 5, 20261,001-5,0002,734 contacts →

Exact match

“Mitra Integrasi Informatika (“MII”), established in 1996 as a subsidiary of the publicly listed PT Metrodata Electronics, Tbk.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchSão Paulo, BrazilHQ recorded Nov 5, 202610001+2,710 contacts →

Exact match

“Global Tech Consulting Company All in One.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchAlbuquerque, United StatesHQ recorded Nov 5, 20261,001-5,0002,668 contacts →

Exact match

“Speridian Technologies is a global consulting and technology services firm that helps enterprises and public sector organizations modernize operations, enhance customer experience…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchAmsterdam, JapanHQ recorded Nov 5, 20261,001-5,0002,659 contacts →

Exact match

“We help companies modernize business operations, adopt intelligent automation, deliver real-time performance insights and connect the enterprise – accelerating the impact of…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 25 of 29,221 data modernization consulting firms worldwide

See the full list, filter by size, metro and specialty, and access 373,415 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Data modernization consulting firms worldwide at a glance

As of Nov 5, 2026
29.2%Verified-email coverage
43.8Average contacts per company
1-10Median size (employees)
2.3%Largest-city concentration · London
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
16,652
11-50
8,274
51-200
2,968
201-500
713
501-1,000
249
1,001-5,000
217
5,001-10,000
34
10001+
48

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 modernization consulting firms are linked below.
What qualifies
Company records worldwide whose business descriptions match “data modernization consulting firms” 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 373,415 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 modernization consulting firms by location

195 lists · largest first

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

How many data modernization consulting firms are there worldwide?

RevenueBase identified 29,221 company matches for data modernization consulting firms 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 modernization consulting firms?

The United States leads with 6,345 companies, followed by India (3,020) and the United Kingdom (1,507). Every data modernization consulting firms list by country and city is linked on this page.

Which city has the most data modernization consulting firms?

London leads with 674 company records, followed by Paris (528) and Bangalore (385).

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 373,415 professional contacts with verified work emails tracked across these 29,221 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.

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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.