Company lists · Data refreshed September 2026

Top 25 Custom AI software development companies worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 28,384 companies tracked

RevenueBase identified 28,384 company matches for custom AI software development companies worldwide as of September 2026 and tracks 883,142 professional contacts across them, including 254,231 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for custom AI software development 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 September 28, 2026. Country and city lists for custom AI software development 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 Sep 28, 2026 How this list was built

28,384Companies

883,142Contacts tracked

254,231Verified emails

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The 25 largest custom AI software development companies worldwide

Ranked by team size

Top 25 of 28,384 company matches for custom AI software development companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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, NJ, United StatesHQ recorded Sep 28, 2026	10001+	326,658 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 · Sep 28, 2026 · View company records in RevenueBase
2	Epam Systems	Exact match	Newtown, PA, United StatesHQ recorded Sep 28, 2026	10001+	60,211 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 · Sep 28, 2026 · View company records in RevenueBase
3	Coforge	Exact match	Noida, IndiaHQ recorded Sep 28, 2026	10001+	25,148 contacts →
	Exact match “Where AI engineering meets industry expertise.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	SAS	Exact match	Cary, NC, United StatesHQ recorded Sep 28, 2026	10001+	22,759 contacts →
	Exact match “SAS is a global leader in data and AI.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Publicis Sapient	Exact match	Boston, MA, United StatesHQ recorded Sep 28, 2026	10001+	20,235 contacts →
	Exact match “Publicis Sapient is a technology company that provides enterprise AI platforms and services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Baidu, INC	Exact match	Beijing, ChinaHQ recorded Sep 28, 2026	10001+	14,658 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 · Sep 28, 2026 · View company records in RevenueBase
7	Straive	Exact match	SingaporeHQ recorded Sep 28, 2026	10001+	11,139 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 · Sep 28, 2026 · View company records in RevenueBase
8	RWS Group	Exact match	Maidenhead, United KingdomHQ recorded Sep 28, 2026	5,001-10,000	9,843 contacts →
	Exact match “Welcome to RWS!” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	Valuelabs	Exact match	Hyderabad, United StatesHQ recorded Sep 28, 2026	5,001-10,000	8,506 contacts →
	Exact match “Founded in 1997, ValueLabs is a global Agentic AI services company.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Ascendion	Exact match	Basking Ridge, NJ, United StatesHQ recorded Sep 28, 2026	10001+	6,195 contacts →
	Exact match “Ascendion is an AI-native software engineering disruptor helping businesses innovate faster, smarter, and with greater impact.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Altimetrik	Exact match	Southfield, MI, United StatesHQ recorded Sep 28, 2026	5,001-10,000	5,969 contacts →
	Exact match “Altimetrik is an AI-native engineering company that builds systems to power the modern enterprise.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Palantir Technologies	Exact match	Miami, CO, United StatesHQ recorded Sep 28, 2026	1,001-5,000	5,403 contacts →
	Exact match “AI-powered automation for every decision.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	XEBIA	Exact match	Atlanta, GA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	5,116 contacts →
	Exact match “Xebia is a global, award-winning, AI-first consulting, software engineering, and training company.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Invisible Technologies	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	n/a	4,941 contacts →
	Exact match “Invisible Technologies makes AI work.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Compass UOL	Exact match	San Francisco, United StatesHQ recorded Sep 28, 2026	5,001-10,000	4,619 contacts →
	Exact match “We are AI/R.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Impetus	Exact match	Los Gatos, CA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	3,995 contacts →
	Exact match “Impetus Technologies is a global software-led Data and AI services company that helps enterprises make AI actually work.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Quantiphi	Exact match	Marlborough, MA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	3,965 contacts →
	Exact match “Quantiphi is an award-winning AI-first digital engineering company driven by the desire to reimagine and realize transformational opportunities at the heart of the business.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Verint	Exact match	Melville, NY, United StatesHQ recorded Sep 28, 2026	5,001-10,000	3,852 contacts →
	Exact match “Verint helps you deliver AI outcomes now to solve your most pressing CX automation challenges in the contact center and beyond.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Accolite	Exact match	Hyderabad, IndiaHQ recorded Sep 28, 2026	1,001-5,000	2,702 contacts →
	Exact match “This page has transitioned to Bounteous India.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Accion Labs	Exact match	Bridgeville, PA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	2,417 contacts →
	Exact match “Accion Labs is an - headquartered in Pittsburgh.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Mindsprint	Exact match	SingaporeHQ recorded Sep 28, 2026	1,001-5,000	2,394 contacts →
	Exact match “Mindsprint exists to responsibly engineer the next generation of enterprises- driven by insight, innovation, and passion.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	MAQ Software	Exact match	Redmond, WA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	2,323 contacts →
	Exact match “MAQ Software enables leading companies to accelerate AI and data initiatives.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Alteryx	Exact match	Irvine, CA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	2,245 contacts →
	Exact match “At Alteryx, we put data and AI to work for the Intelligent Enterprise.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Marlabs	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	1,001-5,000	2,000 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Outsystems	Exact match	Boston, MA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,957 contacts →
	Exact match “OutSystems is your agentic systems platform, unified, agile, and enterprise-proven.” Recorded in the RevenueBase company graph · Sep 28, 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 software development companies”. 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 28,384 custom AI software development companies worldwide

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Custom AI software development companies worldwide at a glance

As of Sep 28, 2026

28.8%Verified-email coverage

31.1Average contacts per company

1-10Median size (employees)

2.5%Largest-city concentration · London

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

17,822

11-50

7,902

51-200

1,939

201-500

433

501-1,000

132

1,001-5,000

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 software development companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “custom AI software development 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 254,231 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 September 28, 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 software development companies by location

144 lists · largest first

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

How many custom AI software development companies are there worldwide?

RevenueBase identified 28,384 company matches for custom AI software development companies worldwide as of September 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 software development companies?

The United States leads with 4,398 companies, followed by India (4,154) and the United Kingdom (1,242). Every custom AI software development companies list by country and city is linked on this page.

Which city has the most custom AI software development companies?

London leads with 709 company records, followed by Dubai (335) and Lahore (328).

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 254,231 professional contacts with verified work emails tracked across these 28,384 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 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 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.