Company lists · Data refreshed September 2026

Top 25 AI machine learning staffing companies worldwide

RevenueBase identified 25,446 AI machine learning staffing companies worldwide as of September 2026 and tracks 933,274 professional contacts across them, including 252,039 with verified work emails. The United States is the largest market and London the largest hub.

This list covers AI machine learning staffing companies 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 27, 2026. Country and city lists for AI machine learning staffing companies 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 27, 2026 86% judged on-target in blind review
25,446Companies
933,274Contacts tracked
252,039Verified emails
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The 25 largest AI machine learning staffing companies worldwide

Ranked by team size
Top 25 of 25,446 AI machine learning staffing companies worldwide, ranked by team size, largest first. Data refreshed Sep 27, 2026. RevenueBase Smart Search rates how each company's information relates to AI machine learning staffing companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceTeaneck, NJ, United StatesHQ checked Sep 27, 202610001+326,658 contacts →

Partial evidence

“Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, bridging the gap between AI investment and enterprise value.”

Source: RevenueBase Database · checked Sep 27, 2026
2Partial evidenceNewtown, PA, United StatesHQ checked Sep 27, 202610001+60,211 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 27, 2026
3Partial evidenceNoida, IndiaHQ checked Sep 27, 202610001+25,148 contacts →

Partial evidence

“Where AI engineering meets industry expertise.”

Source: RevenueBase Database · checked Sep 27, 2026
4Partial evidenceBangalore, IndiaHQ checked Sep 27, 202610001+19,876 contacts →

Partial evidence

“Established in Bengaluru in 2007, Quess Corp Limited (BSE: 539978, NSE: QUESS) is India’s largest and a global leader in staffing and workforce solutions.”

Source: RevenueBase Database · checked Sep 27, 2026
5Indirect evidenceAtlanta, GA, United StatesHQ checked Sep 27, 2026n/a15,553 contacts →

Indirect evidence

“Insight Global is an international talent and consulting company that delivers business outcomes in an ever-changing world.”

Source: RevenueBase Database · checked Sep 27, 2026
6Partial evidenceBeijing, ChinaHQ checked Sep 27, 202610001+14,658 contacts →

Partial evidence

“Baidu is a leading AI company with strong Internet foundation, driven by our mission to “make the complicated world simpler through technology”.”

Source: RevenueBase Database · checked Sep 27, 2026
7Partial evidenceChicago, IL, United StatesHQ checked Sep 27, 202610001+11,634 contacts →

Partial evidence

“We are a global technology consultancy that delivers extraordinary impact by blending design, engineering and AI expertise.”

Source: RevenueBase Database · checked Sep 27, 2026
8Partial evidenceSingaporeHQ checked Sep 27, 202610001+11,139 contacts →

Partial evidence

“At Straive, we operationalize Data Analytics and AI for global enterprises, working with several Fortune 500 companies.”

Source: RevenueBase Database · checked Sep 27, 2026
9Partial evidenceSingaporeHQ checked Sep 27, 202610001+10,483 contacts →

Partial evidence

“NCS is a leading AI Tech Services company.”

Source: RevenueBase Database · checked Sep 27, 2026
10Partial evidenceHyderabad, United StatesHQ checked Sep 27, 20265,001-10,0008,506 contacts →

Partial evidence

“Founded in 1997, ValueLabs is a global Agentic AI services company.”

Source: RevenueBase Database · checked Sep 27, 2026
11Indirect evidenceRidgefield Park, NJ, United StatesHQ checked Sep 27, 20265,001-10,0007,436 contacts →

Indirect evidence

“NASDAQ: INOD) Innodata is a global data engineering company.”

Source: RevenueBase Database · checked Sep 27, 2026
12Partial evidenceBasking Ridge, NJ, United StatesHQ checked Sep 27, 202610001+6,195 contacts →

Partial evidence

“Ascendion is an AI-native software engineering disruptor helping businesses innovate faster, smarter, and with greater impact.”

Source: RevenueBase Database · checked Sep 27, 2026
13Partial evidenceNew York, United StatesHQ checked Sep 27, 20265,001-10,0006,154 contacts →

Partial evidence

“Fractal is a publicly listed global enterprise AI company with a vision to power every human decision in the enterprise.”

Source: RevenueBase Database · checked Sep 27, 2026
14Partial evidenceSan Francisco, CA, United StatesHQ checked Sep 27, 20261,001-5,0006,094 contacts →

Partial evidence

“Turing is one of the world’s fastest-growing AI companies accelerating the advancement and deployment of powerful AI systems.”

Source: RevenueBase Database · checked Sep 27, 2026
15Partial evidenceSouthfield, MI, United StatesHQ checked Sep 27, 20265,001-10,0005,969 contacts →

Partial evidence

“Altimetrik is an AI-native engineering company that builds systems to power the modern enterprise.”

Source: RevenueBase Database · checked Sep 27, 2026
16Partial evidenceZug, SwitzerlandHQ checked Sep 27, 20265,001-10,0005,633 contacts →

Partial evidence

“Evalueserve is a global Domain-led AI services company.”

Source: RevenueBase Database · checked Sep 27, 2026
17Partial evidenceSt Louis, MO, United StatesHQ checked Sep 27, 20265,001-10,0005,336 contacts →

Partial evidence

“Perficient is the global AI and technology consulting firm disrupting the traditional consulting model.”

Source: RevenueBase Database · checked Sep 27, 2026
18Partial evidenceDallas, TX, United StatesHQ checked Sep 27, 20265,001-10,0005,285 contacts →

Partial evidence

“Brillio is The Enterprise AI Accelerator helping Fortune companies move from AI ambition to scaled impact, faster.”

Source: RevenueBase Database · checked Sep 27, 2026
19Partial evidenceAtlanta, GA, United StatesHQ checked Sep 27, 20261,001-5,0005,116 contacts →

Partial evidence

“Xebia is a global, award-winning, AI-first consulting, software engineering, and training company.”

Source: RevenueBase Database · checked Sep 27, 2026
20Partial evidenceNew York, NY, United StatesHQ checked Sep 27, 2026n/a4,941 contacts →

Partial evidence

“Invisible Technologies makes AI work.”

Source: RevenueBase Database · checked Sep 27, 2026
21Strong evidenceLas Vegas, NV, United StatesHQ checked Sep 27, 202610001+4,886 contacts →

Strong evidence

“TELUS Digital AI & Data Solutions partners with a diverse and vibrant community to help our customers enhance their AI and machine learning models.”

Source: RevenueBase Database · checked Sep 27, 2026
22Partial evidenceSeoul, South KoreaHQ checked Sep 27, 20265,001-10,0004,637 contacts →

Partial evidence

“LG CNS is a leading global AI service provider specializing in AX (AI Transformation).”

Source: RevenueBase Database · checked Sep 27, 2026
23Partial evidenceSan Francisco, CA, United StatesHQ checked Sep 27, 20261,001-5,0003,009 contacts →

Partial evidence

“What Does Sama Do Sama gets your AI project to production-and helps you stay there.”

Source: RevenueBase Database · checked Sep 27, 2026
24Indirect evidenceHyderabad, IndiaHQ checked Sep 27, 20261,001-5,0002,702 contacts →

Indirect evidence

“This page has transitioned to Bounteous India.”

Source: RevenueBase Database · checked Sep 27, 2026
25Indirect evidenceNY, United StatesHQ checked Sep 27, 2026n/a2,554 contacts →

Indirect evidence

“24 Seven partners with companies to get marketing, creative, and digital work done by providing the right talent, innovation, and insights.”

Source: RevenueBase Database · checked Sep 27, 2026

Showing 25 of 25,446 AI machine learning staffing companies worldwide

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AI machine learning staffing companies worldwide at a glance

As of Sep 27, 2026
27.0%Verified-email coverage
36.7Average contacts per company
1-10Median size (employees)
3.4%Largest-city concentration · London
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
15,691
11-50
6,772
51-200
2,104
201-500
486
501-1,000
168
1,001-5,000
118
5,001-10,000
33
10001+
42

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 AI machine learning staffing companies, 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 AI machine learning staffing companies are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “AI machine learning staffing companies”. 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 AI machine learning staffing companies), 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 AI machine learning staffing companies, 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, 252,039 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 27, 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.

AI machine learning staffing companies by location

117 lists · largest first

Every AI machine learning staffing 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 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 AI machine learning staffing companies, 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 AI machine learning staffing companies are there worldwide?

RevenueBase identified 25,446 AI machine learning staffing companies 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?

Cognizant, headquartered in Teaneck, tops this list with the largest team on record.

Which country has the most AI machine learning staffing companies?

The United States leads with 6,314 companies, followed by India (3,224) and the United Kingdom (1,605). Every AI machine learning staffing companies list by country and city is linked on this page.

Which city has the most AI machine learning staffing companies?

London leads with 876 headquartered companies, followed by New York (398) and Hyderabad (329).

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 252,039 verified decision-maker contacts tracked across these 25,446 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 27, 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.