Company lists · Data refreshed September 2026

Top 25 Custom AI software developers worldwide

RevenueBase identified 36,330 custom AI software developers worldwide as of September 2026 and tracks 1,238,242 professional contacts across them, including 341,656 with verified work emails. The United States is the largest market and London the largest hub.

This list covers custom AI software 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 28, 2026. Country and city lists for custom AI software 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review
36,330Companies
1,238,242Contacts tracked
341,656Verified emails
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The 25 largest custom AI software developers worldwide

Ranked by team size
Top 25 of 36,330 custom AI software developers worldwide, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to custom AI software developers: 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 28, 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 28, 2026
2Partial evidenceNewark, CA, United StatesHQ checked Sep 28, 202610001+148,042 contacts →

Partial evidence

“We’re Concentrix, a Fortune 500® technology and services leader, helping the world's best brands cut through AI hype and create intelligent operations that perform in the real…”

Source: RevenueBase Database · checked Sep 28, 2026
3Partial evidenceNewtown, PA, United StatesHQ checked Sep 28, 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 28, 2026
4Partial evidenceNoida, IndiaHQ checked Sep 28, 202610001+25,148 contacts →

Partial evidence

“Where AI engineering meets industry expertise.”

Source: RevenueBase Database · checked Sep 28, 2026
5Partial evidenceCary, NC, United StatesHQ checked Sep 28, 202610001+22,759 contacts →

Partial evidence

“SAS is a global leader in data and AI.”

Source: RevenueBase Database · checked Sep 28, 2026
6Partial evidenceBoston, MA, United StatesHQ checked Sep 28, 202610001+20,235 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
7Partial evidenceBeijing, ChinaHQ checked Sep 28, 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 28, 2026
8Partial evidenceSingaporeHQ checked Sep 28, 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 28, 2026
9Partial evidenceHoboken, NJ, United StatesHQ checked Sep 28, 20265,001-10,00010,721 contacts →

Partial evidence

“NiCE is transforming the world with AI that puts people first.”

Source: RevenueBase Database · checked Sep 28, 2026
10Indirect evidenceMaidenhead, United KingdomHQ checked Sep 28, 20265,001-10,0009,843 contacts →

Indirect evidence

“Welcome to RWS!”

Source: RevenueBase Database · checked Sep 28, 2026
11Partial evidenceSan Diego, CA, United StatesHQ checked Sep 28, 202610001+9,049 contacts →

Partial evidence

“Teradata empowers enterprises to turn intelligence into autonomous action, grounding AI agents in deep business context and trusted data.”

Source: RevenueBase Database · checked Sep 28, 2026
12Partial evidenceHyderabad, United StatesHQ checked Sep 28, 20265,001-10,0008,506 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
13Indirect evidenceDubai, United Arab EmiratesHQ checked Sep 28, 202610001+7,986 contacts →

Indirect evidence

“Say hAI to iSON!”

Source: RevenueBase Database · checked Sep 28, 2026
14Indirect evidenceRidgefield Park, NJ, United StatesHQ checked Sep 28, 20265,001-10,0007,436 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
15Partial evidenceSan Jose, CA, United StatesHQ checked Sep 28, 202610001+6,538 contacts →

Partial evidence

“iMerit is a leader in expert data solutions for training, tuning and evaluating AI models and computer vision systems.”

Source: RevenueBase Database · checked Sep 28, 2026
16Strong evidenceBasking Ridge, NJ, United StatesHQ checked Sep 28, 202610001+6,195 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
17Partial evidenceSan Francisco, CA, United StatesHQ checked Sep 28, 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 28, 2026
18Partial evidenceSouthfield, MI, United StatesHQ checked Sep 28, 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 28, 2026
19Partial evidenceMiami, CO, United StatesHQ checked Sep 28, 20261,001-5,0005,403 contacts →

Partial evidence

“AI-powered automation for every decision.”

Source: RevenueBase Database · checked Sep 28, 2026
20Partial evidenceSt Louis, MO, United StatesHQ checked Sep 28, 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 28, 2026
21Strong evidenceNew York, NY, United StatesHQ checked Sep 28, 20261,001-5,0005,336 contacts →

Strong 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 28, 2026
22Partial evidenceDallas, TX, United StatesHQ checked Sep 28, 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 28, 2026
23Strong evidenceNew York, NY, United StatesHQ checked Sep 28, 20265,001-10,0005,249 contacts →

Strong evidence

“DataArt is a global software engineering firm that delivers breakthrough data, analytics, and AI platforms for the world’s most demanding organizations.”

Source: RevenueBase Database · checked Sep 28, 2026
24Partial evidenceLondon, United KingdomHQ checked Sep 28, 20265,001-10,0005,203 contacts →

Partial evidence

“Photon, a global leader in AI and digital solutions, helps clients accelerate AI adoption and embrace DigitalHyper-expansion® to ‘make tomorrow happen today’.”

Source: RevenueBase Database · checked Sep 28, 2026
25Strong evidenceAtlanta, GA, United StatesHQ checked Sep 28, 20261,001-5,0005,116 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Sep 28, 2026

Showing 25 of 36,330 custom AI software developers worldwide

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 341,656 reachable decision-makers.

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Custom AI software developers worldwide at a glance

As of Sep 28, 2026
27.6%Verified-email coverage
34.1Average contacts per company
1-10Median size (employees)
2.6%Largest-city concentration · London
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
22,839
11-50
9,988
51-200
2,489
201-500
583
501-1,000
193
1,001-5,000
133
5,001-10,000
30
10001+
41

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 custom AI software 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 custom AI software developers are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “custom AI software 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 custom AI software 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 custom AI software 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, 341,656 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 28, 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.

Custom AI software developers by location

180 lists · largest first

Every Custom AI software developers 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 custom AI software 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 custom AI software developers are there worldwide?

RevenueBase identified 36,330 custom AI software 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?

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

Which country has the most custom AI software developers?

The United States leads with 6,144 companies, followed by India (4,816) and the United Kingdom (1,643). Every custom AI software developers list by country and city is linked on this page.

Which city has the most custom AI software developers?

London leads with 941 headquartered companies, followed by Dubai (420) and New York (411).

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 341,656 verified decision-maker contacts tracked across these 36,330 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 28, 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.