Company lists · Data refreshed September 2026
Top 25 Big data developers worldwide
RevenueBase identified 3,268 big data developers worldwide as of September 2026 and tracks 67,742 professional contacts across them, including 17,299 with verified work emails. The United States is the largest market and London the largest hub.
This list covers big data developers 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 21, 2026. Country and city lists for big data developers 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.
The 25 largest big data developers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 16,096 contacts → | ||||
Partial evidence “For more than 55 years, WD has built the storage infrastructure that powers the world’s data.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 2 | 5,336 contacts → | ||||
Partial evidence “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…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 3 | 4,851 contacts → | ||||
Strong evidence “Celebal Technologies is a premier software services company in the field of Data Science, Big Data and Enterprise Cloud.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 4 | 1,633 contacts → | ||||
Partial evidence “We tackle the hardest work in data for the world's largest organizations.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 5 | 998 contacts → | ||||
Partial evidence “Mastech Digital helps enterprises ignite intelligence and transform tomorrow by turning data into real, measurable business outcomes.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 6 | 923 contacts → | ||||
Partial evidence “Couchbase's operational data platform for AI is a scalable foundation for enterprise operational, analytical, mobile and AI workloads that replaces legacy infrastructure and data…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 7 | 819 contacts → | ||||
Partial evidence “Ab Initio transforms how companies work with data, from data discovery and strategy through implementation and governance.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 8 | 453 contacts → | ||||
Partial evidence “At Wavicle Data Solutions, data is the key to driving meaningful business change.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 9 | 403 contacts → | ||||
Partial evidence “At VentureDive, we specialize in building scalable, intelligent solutions that unlock the power of Data and AI.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 10 | 390 contacts → | ||||
Partial evidence “Clairvoyant is a global technology consulting and services company that helps organizations maximize the value of data.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 11 | 382 contacts → | ||||
Indirect evidence “Genpact acquired Enquero on Jan.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 12 | 346 contacts → | ||||
Partial evidence “Modak is a solutions company that empowers enterprises to manage and utilize their data landscape effectively.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 13 | 326 contacts → | ||||
Indirect evidence “Quiénes somos En Cívica diseñamos soluciones tecnológicas que transforman negocios.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 14 | 287 contacts → | ||||
Partial evidence “Agile Lab creates value for its Clients in data-intensive environments through customizable solutions to establish performance driven processes, sustainable architectures, and…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 15 | 261 contacts → | ||||
Strong evidence “MatrixDnA is the leading company in the field of big data, BI and AI for 10 years in a row according to the STKI survey.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 16 | 258 contacts → | ||||
Partial evidence “Fusionex is a global, multi-award winning data technology provider with a strong worldwide presence.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 17 | 251 contacts → | ||||
Partial evidence “Bilvantis: Data to Decisions, Redefining Enterprise Success Bilvantis Technologies, a global leader in data and AI engineering, empowers enterprises to unleash the full potential…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 18 | 235 contacts → | ||||
Partial evidence “Go Digital Technology Consulting (GDTC) is a technology consulting and digital engineering company helping enterprises modernize, innovate, and scale through Cloud, Data, AI, and…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 19 | 233 contacts → | ||||
Strong evidence “Helming as a technically sound, one of its kind software development company, predominantly having a strong foothold in big data analytics, we at One Data are equipped to provide…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 20 | 230 contacts → | ||||
Partial evidence “At Keepler (part of Accenture), we transform data and artificial intelligence into measurable, scalable, and rapid business impact.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 21 | 223 contacts → | ||||
Partial evidence “Axis Group is a Gartner-recognized Data & Analytics consulting firm focused on helping enterprises optimize their business through data.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 22 | 211 contacts → | ||||
Partial evidence “InfoEdge is working in the design and implementation of Information Technology projects with a particular focus on business intelligence systems, business analytics, data…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 23 | 208 contacts → | ||||
Indirect evidence “1995 yılında kurulan OBASE, “Analitik Çözümler” ve “ Sektörel Çözümler” ile uzmanlaşmış Türkiye’nin öncü yazılım ve danışmanlık şirketlerindendir.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 24 | 199 contacts → | ||||
Strong evidence “Fragma Data Systems is a Big Data Analytics solutions provider for companies across all the major industries, helping them to transform their data into insights by providing end…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 25 | 195 contacts → | ||||
Indirect evidence “MM Guide werkt elke dag aan een beslissingsrijke wereld, waarin wij mensen in staat stellen om informatie in te zetten om de best mogelijke beslissing te nemen.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: big data developers. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names big data developers.
- Partial evidence
- Its own public description names part of big data developers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name big data developers. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 3,268 big data developers worldwide
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Big data developers worldwide at a glance
As of Sep 21, 2026Companies by employee count
Email recency is reported on each country list linked below.
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 big data developers, 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
- Every country. Country and city lists for big data developers are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “big data developers”. 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 big data developers), 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 big data developers, 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, 17,299 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 21, 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.
Big data developers by location
23 lists · largest firstEvery Big data developers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Big data developers based in the United States659
- Big data developers based in India314
- Big data developers based in the United Kingdom186
- Big data developers based in Brazil142
- Big data developers based in France124
- Big data developers based in Germany93
- Big data developers based in the Netherlands88
- Big data developers based in Australia85
- Big data developers based in Canada78
- Big data developers based in Spain64
- Big data developers based in Poland50
- Big data developers based in Belgium45
- Big data developers based in Türkiye42
- Big data developers based in Sweden37
- Big data developers based in Switzerland33
- Big data developers based in South Africa32
- Big data developers based in Argentina29
- Big data developers based in the United Arab Emirates27
- Big data developers based in Mexico26
- Big data developers based in Italy25
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 big data developers, 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 big data developers are there worldwide?
RevenueBase identified 3,268 big data developers 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?
WD, headquartered in San Jose, tops this list with the largest team on record.
Which country has the most big data developers?
The United States leads with 659 companies, followed by India (314) and the United Kingdom (186). Every big data developers list by country and city is linked on this page.
Which city has the most big data developers?
London leads with 86 headquartered companies, followed by Sao Paulo (51) and Paris (45).
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 17,299 verified decision-maker contacts tracked across these 3,268 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 21, 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.