Company lists · Data refreshed August 2026

Top 25 Cloud AI service providers worldwide

RevenueBase identified 9,732 cloud AI service providers worldwide as of August 2026 and tracks 950,639 professional contacts across them, including 245,538 with verified work emails and 126,486 with mobile numbers. The United States is the largest market and London the largest hub.

This list covers cloud AI service providers 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 August 31, 2026. Country and city lists for cloud AI service providers 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 RevenueBase Smart Search rating on every row Refreshed Aug 31, 2026 86% judged on-target in blind review
9,732Companies
950,639Contacts tracked
245,538Verified emails
126,486Mobile numbers
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The 25 largest cloud AI service providers worldwide

Ranked by team size
Top 25 of 9,732 cloud AI service providers worldwide, ranked by team size, largest first. Data refreshed Aug 31, 2026. RevenueBase Smart Search rates how each company's information relates to cloud AI service providers: 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 evidenceBuenos Aires, AR10001+326,145 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 Aug 31, 2026
2Partial evidenceVancouver, BC, CA10001+155,676 contacts →

Partial evidence

“Launched in 2006, Amazon Web Services (AWS) began exposing key infrastructure services to businesses in the form of web services - now widely known as cloud computing.”

Source: RevenueBase Database · checked Aug 31, 2026
3Strong evidenceRocklin, CA, US10001+143,599 contacts →

Strong evidence

“Oracle is a global leader in AI, delivering the cloud infrastructure, data, and applications that organizations across the world trust to successfully achieve business outcomes at…”

Source: RevenueBase Database · checked Aug 31, 2026
4Partial evidenceSydney, AU10001+24,834 contacts →

Partial evidence

“Where AI engineering meets industry expertise.”

Source: RevenueBase Database · checked Aug 31, 2026
5Partial evidenceBoston, MA, US10001+20,439 contacts →

Partial evidence

“Publicis Sapient is a technology company that provides enterprise AI platforms and services.”

Source: RevenueBase Database · checked Aug 31, 2026
6Partial evidenceBeijing, ChinaHQ checked Aug 31, 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 Aug 31, 2026
7Indirect evidenceRosario, AR5,001-10,0009,529 contacts →

Indirect evidence

“Welcome to RWS!”

Source: RevenueBase Database · checked Aug 31, 2026
8Partial evidenceHyderabad, United StatesHQ checked Aug 31, 20265,001-10,0008,506 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Aug 31, 2026
9Indirect evidenceRidgefield Park, NJ, US5,001-10,0007,236 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Aug 31, 2026
10Strong evidenceReston, VA, US5,001-10,0007,106 contacts →

Strong evidence

“Rackspace Technology® is the operator of the full enterprise AI stack from governed private cloud to AI inference and agents in production.”

Source: RevenueBase Database · checked Aug 31, 2026
11Partial evidenceBangalore, IndiaHQ checked Aug 31, 20261,001-5,0006,103 contacts →

Partial evidence

“Shaping Intelligent Enterprises with AI-first, Platform led, tech infrastructure services.”

Source: RevenueBase Database · checked Aug 31, 2026
12Partial evidenceToronto, ON, CA5,001-10,0006,064 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 Aug 31, 2026
13Partial evidenceSan Francisco, CA, US1,001-5,0005,900 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 Aug 31, 2026
14Strong evidenceLewisville, TX, US5,001-10,0005,410 contacts →

Strong evidence

“Mastek Limited is a global provider of enterprise AI, digital, and cloud services, enabling clients to achieve measurable and sustainable returns on their technology investments.”

Source: RevenueBase Database · checked Aug 31, 2026
15Partial evidenceEdison, NJ, US5,001-10,0005,302 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Aug 31, 2026
16Partial evidenceLas Vegas, NV, US10001+4,747 contacts →

Partial 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 Aug 31, 2026
17Partial evidenceSouthlake, TX, US5,001-10,0004,657 contacts →

Partial evidence

“We are AI/R.”

Source: RevenueBase Database · checked Aug 31, 2026
18Partial evidenceSeoul, South KoreaHQ checked Aug 31, 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 Aug 31, 2026
19Partial evidenceSydney, AU1,001-5,0003,447 contacts →

Partial evidence

“Qlik helps teams get more out of AI with data they can rely on and control.”

Source: RevenueBase Database · checked Aug 31, 2026
20Indirect evidenceHyderabad, IndiaHQ checked Aug 31, 20261,001-5,0002,702 contacts →

Indirect evidence

“This page has transitioned to Bounteous India.”

Source: RevenueBase Database · checked Aug 31, 2026
21Partial evidenceToronto, CA1,001-5,0002,074 contacts →

Partial evidence

“Marlabs is your trusted AI transformation partner with 30 years of experience solving modern challenges, with a proven track record of delivering complex technology solutions to…”

Source: RevenueBase Database · checked Aug 31, 2026
22Strong evidenceBroomfield, CO, US1,001-5,0002,020 contacts →

Strong evidence

“DigitalOcean is the AI-Native Cloud purpose-built for the inference and agentic era.”

Source: RevenueBase Database · checked Aug 31, 2026
23Partial evidenceGurgaon, IndiaHQ checked Aug 31, 20261,001-5,0001,943 contacts →

Partial evidence

“We aim to help build high-quality AI models by providing high-quality data and model evaluations.”

Source: RevenueBase Database · checked Aug 31, 2026
24Strong evidenceNew York, NY, US1,001-5,0001,833 contacts →

Strong evidence

“CoreWeave is the Essential Cloud for AI.”

Source: RevenueBase Database · checked Aug 31, 2026
25Indirect evidenceNoida, United StatesHQ checked Aug 31, 20261,001-5,0001,832 contacts →

Indirect evidence

“We are an, helping businesses.”

Source: RevenueBase Database · checked Aug 31, 2026

Showing 25 of 9,732 cloud AI service providers worldwide

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Cloud AI service providers worldwide at a glance

As of Aug 31, 2026
25.8%Verified-email coverage
13.3%Mobile-number coverage
97.7Average contacts per company
1-10Median size (employees)
4.0%Largest-city concentration · London
Aug 31, 2026Page data refreshed

Companies by employee count

1-10
5,326
11-50
3,053
51-200
892
201-500
257
501-1,000
78
1,001-5,000
61
5,001-10,000
21
10001+
31

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 cloud AI service providers, 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
49 countries, largest first: the United States, India, the United Kingdom, Canada, Germany, Brazil, France, Pakistan, Australia, Spain and 39 more. Country and city lists for cloud AI service providers are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “cloud AI service providers”. 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 cloud AI service providers), 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 cloud AI service providers, 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, 245,538 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 between August 31, 2026 and September 14, 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.

Cloud AI service providers by location

87 lists · largest first

Every Cloud AI service providers 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 cloud AI service providers, 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 cloud AI service providers are there worldwide?

RevenueBase identified 9,732 cloud AI service providers worldwide as of August 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 Buenos Aires, tops this list with the largest team on record.

Which country has the most cloud AI service providers?

The United States leads with 2,552 companies, followed by India (1,808) and the United Kingdom (661). Every cloud AI service providers list by country and city is linked on this page.

Which city has the most cloud AI service providers?

London leads with 389 headquartered companies, followed by San Francisco (176) and Hyderabad (159).

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 245,538 verified decision-maker contacts tracked across these 9,732 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled from the company graph between August 31, 2026 and September 14, 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.