Company lists · Data refreshed November 2026

Top 25 Machine learning data preparation companies worldwide

RevenueBase identified 1,434 company matches for machine learning data preparation companies worldwide as of November 2026 and tracks 24,777 professional contacts across them, including 3,810 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for machine learning data preparation companies 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 machine learning data preparation companies 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
1,434Companies
24,777Contacts tracked
3,810Verified emails
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The 25 largest machine learning data preparation companies worldwide

Ranked by team size
Top 25 of 1,434 company matches for machine learning data preparation companies 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 matchNew York, NY, United StatesHQ recorded Nov 5, 2026n/a4,746 contacts →

Exact match

“Invisible Technologies makes AI work.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchBangalore, IndiaHQ recorded Nov 5, 20261,001-5,0001,647 contacts →

Exact match

“With over two decades of experience in Big Data and Data Science Solutions, Molecular Connections (MC) has been using AI-powered proprietary models to help customers achieve…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchAmerican Fork, UT, United StatesHQ recorded Nov 5, 2026501-1,0001,229 contacts →

Exact match

“Strengthen your entire data journey with Domo’s AI and data products.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchNew York, NY, United StatesHQ recorded Nov 5, 20261,001-5,0001,087 contacts →

Exact match

“provides ML data operations support with Human-in-the-loop for LLMs and autonomous systems, focusing on AI/ML model training and annotation services.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchNew York, United StatesHQ recorded Nov 5, 20261,001-5,000777 contacts →

Exact match

“Cogito Tech is a global managed service provider specializing in scalable data development tailored for AI model development.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchUnited StatesHQ recorded Nov 5, 20261,001-5,000748 contacts →

Exact match

“With 27+ years of experience, Welo Data is the human-centered infrastructure for globally effective AI.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchCastlebar, IrelandHQ recorded Nov 5, 2026n/a498 contacts →

Exact match

“Peroptyx is a provider of location-based machine learning (ML) training data and model evaluation solutions to global consumer technology brands.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchPalo Alto, United StatesHQ recorded Nov 5, 202651-200316 contacts →

Exact match

“Abaka AI delivers human intelligence data for frontier AI, helping power advanced systems through a trustworthy data platform.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchParsippany, NJ, United StatesHQ recorded Nov 5, 2026201-500307 contacts →

Exact match

“Ganit is a full stack data company founded in 2017 with a mission to decipher the transformative power of artificial intelligence for businesses.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchSan Jose, United StatesHQ recorded Nov 5, 20261,001-5,000230 contacts →

Exact match

“Lifewood Data Technology is a global AI data services company headquartered in Hong Kong.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchChennai, IndiaHQ recorded Nov 5, 202651-200214 contacts →

Exact match

“We provide accurate and reliable machine learning products and solutions (on-premises) for the Government and Private sector players.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchSeattle, WA, United StatesHQ recorded Nov 5, 202651-200207 contacts →

Exact match

“Defined.ai is the leading provider of ethical AI data, offering the world’s biggest ethical AI data marketplace alongside subscriptions for flexible data access and custom…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchKuala Lumpur, MalaysiaHQ recorded Nov 5, 2026n/a191 contacts →

Exact match

“Supahands provides fully managed data labelling services for machine learning.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchCharlottesville, NC, United StatesHQ recorded Nov 5, 202651-200173 contacts →

Exact match

“With three decades at the forefront of applied AI and machine learning, Elder Research, a MANTECH company, gives large organizations and government agencies a surefire way to…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchWilmington, United StatesHQ recorded Nov 5, 2026201-500160 contacts →

Exact match

“Label Your Data is a specialist AI training data provider for teams building AI systems in complex environments.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchSan Francisco, United StatesHQ recorded Nov 5, 202651-200143 contacts →

Exact match

“Saturam is a global & fast-growing Augmented Data Engineering company operated by experienced leaders and experts in Big-DataOps and Machine Learning.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchNewark, DE, United StatesHQ recorded Nov 5, 2026201-500142 contacts →

Exact match

“Wow AI | Powered by AIxBlock - is an.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchZug, SwitzerlandHQ recorded Nov 5, 202651-200137 contacts →

Exact match

“Redslim is a trusted partner for CMI, Data teams and BI professionals who depend on diverse data sources for their critical decision-making.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchBangalore, NY, IndiaHQ recorded Nov 5, 202651-200136 contacts →

Exact match

“BDB.ai is a Gartner 30 ranked Unified Data Analytics and Machine Learning platform, developed by the former R&D team of BusinessObjects, Paris.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchSan Francisco, DE, United StatesHQ recorded Nov 5, 2026201-500127 contacts →

Exact match

“Since 2018, Odetta has been helping organizations of all sizes reap the benefits of clean, reliable data to make better decisions, drive growth, and measure the results.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchNew York, NY, United StatesHQ recorded Nov 5, 202651-200124 contacts →

Exact match

“Aretove Technologies is a data focused company, headquartered in NYC, providing Software Services in Data Engineering, Enterprise Application Integration and Agentic AI.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchIstanbul, TürkiyeHQ recorded Nov 5, 2026n/a123 contacts →

Exact match

“Prosessor.AI is a high-grade AI/ML data provider company for a smarter world.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchPune, IndiaHQ recorded Nov 5, 202651-200119 contacts →

Exact match

“AlgoAnalytics, combines advanced AI with in-depth industry knowledge to drive innovation.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchKensington, United KingdomHQ recorded Nov 5, 202651-200118 contacts →

Exact match

“Light IT Global is a Data Science company that provides custom web and mobile software development services that include, IT consulting, design, market research, quality…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchPozuelo De Alarcón, SpainHQ recorded Nov 5, 202651-200117 contacts →

Exact match

“Solutions and expertise focused on Big Data technologies and Analytics techniques for processing large volumes of heterogeneous data in real time.”

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

Showing 25 of 1,434 machine learning data preparation companies worldwide

See the full list, filter by size, metro and specialty, and access 3,810 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Machine learning data preparation companies worldwide at a glance

As of Nov 5, 2026
15.4%Verified-email coverage
17.3Average contacts per company
1-10Median size (employees)
2.2%Largest-city concentration · London
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
866
11-50
393
51-200
124
201-500
29
501-1,000
9
1,001-5,000
9
5,001-10,000
1

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 machine learning data preparation companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “machine learning data preparation companies” 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 3,810 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.

Machine learning data preparation companies by location

11 lists · largest first

Every Machine learning data preparation companies 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 “machine learning data preparation companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many machine learning data preparation companies are there worldwide?

RevenueBase identified 1,434 company matches for machine learning data preparation companies 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?

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

Which country has the most machine learning data preparation companies?

The United States leads with 315 companies, followed by India (195) and the United Kingdom (55). Every machine learning data preparation companies list by country and city is linked on this page.

Which city has the most machine learning data preparation companies?

London leads with 32 company records, followed by New York (30) and Bangalore (28).

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 3,810 professional contacts with verified work emails tracked across these 1,434 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.