Company lists · Data refreshed November 2026

Top 25 Custom AI development services worldwide

Name: Custom AI development services worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 49,308 companies tracked

RevenueBase identified 49,308 company matches for custom AI development services worldwide as of November 2026 and tracks 1,412,573 professional contacts across them, including 363,126 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for custom AI development services 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 6, 2026. Country and city lists for custom AI development services 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 6, 2026 How this list was built

49,308Companies

1,412,573Contacts tracked

363,126Verified emails

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The 25 largest custom AI development services worldwide

Ranked by team size

Top 25 of 49,308 company matches for custom AI development services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Cognizant	Exact match	Teaneck, United StatesHQ recorded Nov 6, 2026	10001+	342,560 contacts →
	Exact match “Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, bridging the gap between AI investment and enterprise value.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Concentrix	Exact match	Newark, CA, United StatesHQ recorded Nov 6, 2026	10001+	170,725 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Epam Systems	Exact match	Newtown, United StatesHQ recorded Nov 6, 2026	10001+	64,515 contacts →
	Exact match “EPAM (NYSE:EPAM) is a global leader in AI transformation engineering and integrated consulting, serving Forbes Global companies and ambitious startups.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Sutherland	Exact match	Pittsford (rochester), United StatesHQ recorded Nov 6, 2026	10001+	52,558 contacts →
	Exact match “Artificial Intelligence.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Coforge	Exact match	Noida, IndiaHQ recorded Nov 6, 2026	10001+	29,538 contacts →
	Exact match “Where AI engineering meets industry expertise.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Publicis Sapient	Exact match	Boston, MA, United StatesHQ recorded Nov 6, 2026	10001+	20,551 contacts →
	Exact match “Publicis Sapient, the global technology hub of Publicis Groupe, provides enterprise AI platforms and services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Baidu, INC	Exact match	Beijing, ChinaHQ recorded Nov 6, 2026	10001+	15,752 contacts →
	Exact match “Baidu is a leading AI company with strong Internet foundation, driven by our mission to “make the complicated world simpler through technology”.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Straive	Exact match	Lewiston, ME, SingaporeHQ recorded Nov 6, 2026	10001+	12,953 contacts →
	Exact match “At Straive, we operationalize Data Analytics and AI for global enterprises, working with several Fortune 500 companies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	NCS Group	Exact match	Hong Kong, SingaporeHQ recorded Nov 6, 2026	10001+	11,590 contacts →
	Exact match “NCS is a leading AI Tech Services company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	RWS	Exact match	Maidenhead, United KingdomHQ recorded Nov 6, 2026	5,001-10,000	10,474 contacts →
	Exact match “Welcome to RWS!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Innodata INC	Exact match	Ridgefield Park, NJ, United StatesHQ recorded Nov 6, 2026	5,001-10,000	9,017 contacts →
	Exact match “NASDAQ: INOD) Innodata is a global data engineering company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Valuelabs	Exact match	Hyderabad, IndiaHQ recorded Nov 6, 2026	5,001-10,000	8,873 contacts →
	Exact match “Founded in 1997, ValueLabs is a global Agentic AI services company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Ison Xperiences	Exact match	Dubai, United Arab EmiratesHQ recorded Nov 6, 2026	10001+	8,496 contacts →
	Exact match “Say hAI to iSON!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Ascendion	Exact match	Basking Ridge, United StatesHQ recorded Nov 6, 2026	10001+	7,250 contacts →
	Exact match “Ascendion is a global AI-native software engineering company delivering trusted business outcomes – capital unlock, innovation velocity, lower risk – to 250+ enterprise clients.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Altimetrik	Exact match	Southfield, CA, United StatesHQ recorded Nov 6, 2026	5,001-10,000	7,248 contacts →
	Exact match “Altimetrik is an AI-native engineering company that builds systems to power the modern enterprise.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Turing	Exact match	San Francisco, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	6,778 contacts →
	Exact match “Turing is one of the world’s fastest-growing AI companies accelerating the advancement and deployment of powerful AI systems.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Fractal	Exact match	Chennai, United StatesHQ recorded Nov 6, 2026	5,001-10,000	6,624 contacts →
	Exact match “Fractal is a publicly listed global enterprise AI company with a vision to power every human decision in the enterprise.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Palantir Technologies	Exact match	Miami, United StatesHQ recorded Nov 6, 2026	1,001-5,000	5,923 contacts →
	Exact match “AI-powered automation for every decision.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Perficient	Exact match	St. Louis, United StatesHQ recorded Nov 6, 2026	5,001-10,000	5,606 contacts →
	Exact match “Perficient is the global AI and technology consulting firm disrupting the traditional consulting model.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Dataart	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	5,001-10,000	5,522 contacts →
	Exact match “DataArt is a global software engineering firm that delivers breakthrough data, analytics, and AI platforms for the world’s most demanding organizations.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Brillio	Exact match	Dallas, United StatesHQ recorded Nov 6, 2026	5,001-10,000	5,522 contacts →
	Exact match “Brillio is The Enterprise AI Accelerator helping Fortune companies move from AI ambition to scaled impact, faster.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Photon	Exact match	London, United KingdomHQ recorded Nov 6, 2026	5,001-10,000	5,450 contacts →
	Exact match “Photon, a global leader in AI and digital solutions, helps clients accelerate AI adoption and embrace DigitalHyper-expansion® to ‘make tomorrow happen today’.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Telus Digital AI Data Solutions	Exact match	Las Vegas, NV, United StatesHQ recorded Nov 6, 2026	10001+	5,427 contacts →
	Exact match “TELUS Digital AI & Data Solutions partners with a diverse and vibrant community to help our customers enhance their AI and machine learning models.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	XEBIA	Exact match	Atlanta, United StatesHQ recorded Nov 6, 2026	1,001-5,000	5,327 contacts →
	Exact match “Xebia is a global, award-winning, AI-first consulting, software engineering, and training company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	LG CNS	Exact match	Seoul, South KoreaHQ recorded Nov 6, 2026	5,001-10,000	5,089 contacts →
	Exact match “LG CNS is a leading global AI service provider specializing in AX (AI Transformation).” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “custom AI development services”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 49,308 custom AI development services worldwide

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Custom AI development services worldwide at a glance

As of Nov 6, 2026

25.7%Verified-email coverage

28.6Average contacts per company

1-10Median size (employees)

2.6%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

33,882

11-50

11,634

51-200

2,735

201-500

576

501-1,000

178

1,001-5,000

137

5,001-10,000

10001+

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 custom AI development services are linked below.
What qualifies: Company records worldwide whose business descriptions match “custom AI development services” 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 363,126 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 6, 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.

Custom AI development services by location

197 lists · largest first

Every Custom AI development services 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 “custom AI development services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many custom AI development services are there worldwide?

RevenueBase identified 49,308 company matches for custom AI development services 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?

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

Which country has the most custom AI development services?

The United States leads with 8,154 companies, followed by India (6,474) and the United Kingdom (2,236). Every custom AI development services list by country and city is linked on this page.

Which city has the most custom AI development services?

London leads with 1281 company records, followed by Bangalore (835) and New York (622).

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 363,126 professional contacts with verified work emails tracked across these 49,308 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 6, 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.