Company lists · Data refreshed November 2026

Top 25 AI model validation companies worldwide

RevenueBase identified 317 company matches for AI model validation companies worldwide as of November 2026 and tracks 3,238 professional contacts across them, including 313 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for AI model validation 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 November 6, 2026. Country and city lists for AI model validation 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 Nov 6, 2026 How this list was built
317Companies
3,238Contacts tracked
313Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest AI model validation companies worldwide

Ranked by team size
Top 25 of 317 company matches for AI model validation companies 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchDE, United StatesHQ recorded Nov 6, 2026n/a736 contacts →

Exact match

“We are a global network of professionals who help leading Al labs and enterprises build accurate and reliable Al systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchMountain View, CA, United StatesHQ recorded Nov 6, 202651-200536 contacts →

Exact match

“Build Super Accurate AI with us.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact match성남시, South KoreaHQ recorded Nov 6, 2026201-50098 contacts →

Exact match

“Intelligence for Safe World" AI ··, Trustworthy AI, Physical AI, Vertical AI.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchSan Francisco Bay, CA, United StatesHQ recorded Nov 6, 202651-20090 contacts →

Exact match

“RagaAI builds AI agents for healthcare and clinical research, taking the manual, repetitive work off teams so they can focus on patients and outcomes.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchChennai, IndiaHQ recorded Nov 6, 202611-5074 contacts →

Exact match

“Tired of Software Stress?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchSingaporeHQ recorded Nov 6, 202611-5032 contacts →

Exact match

“Resaro is an independent AI assurance firm, co-headquartered in Singapore and Europe.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5032 contacts →

Exact match

“Advai is an independent AI assurance company, helping organisations unlock the potential of artificial intelligence with confidence.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchSaarbrücken, GermanyHQ recorded Nov 6, 202611-5031 contacts →

Exact match

“Unreliable AI doesn’t belong in production.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchUnited StatesHQ recorded Nov 6, 202611-5026 contacts →

Exact match

“Most AI agents never make it to production.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchNew York, NY, United StatesHQ recorded Nov 6, 202611-5024 contacts →

Exact match

“Trusted by Fortune 100s, Arthur enables you to discover every agent, enforce policies at scale, and ship reliable AI across ML, GenAI, and agentic systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchIowa City, IA, United StatesHQ recorded Nov 6, 202611-5019 contacts →

Exact match

“BABL AI Audits and Certifies AI Systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchNew York, United StatesHQ recorded Nov 6, 202611-5017 contacts →

Exact match

“Your AI is your responsibility.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchWashington, DC, United StatesHQ recorded Nov 6, 202611-5014 contacts →

Exact match

“Luminos.AI | Automated AI Governance, Testing & Compliance Platform Luminos automates AI governance, testing, and compliance to help enterprises deploy AI systems safely and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Nov 6, 2026201-50014 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchSingaporeHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“AIDX: Advancing AI Standards and Trustworthiness At AIDX Tech, we provide tailored, one-stop solutions to ensure your AI initiatives are compliant, secure, and aligned with global…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchUnited StatesHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“Humane Intelligence is a 501(c)(3) nonprofit dedicated to breaking down barriers to AI deployment for social good.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchHolloway, United KingdomHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“code4thought is a technology company with a unique purpose: to render technology transparent for large-scale software and AI-based systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchTrivandrum, IndiaHQ recorded Nov 6, 20261-1012 contacts →

Exact match

“Expertise in Product Ownership, Business Analysis, Software Testing, Test Case Auditing, Data Auditing, Data Annotation, Machine Model Output testing, Benchmark development for AI…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchFrisco, TX, United StatesHQ recorded Nov 6, 20261-1010 contacts →

Exact match

“Mayhem Shield provides independent, buyer-side AI implementation assurance for enterprises deploying AI tools into production.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchAmsterdam, NetherlandsHQ recorded Nov 6, 202611-509 contacts →

Exact match

“LangWatch | Confidence for the AI Agent Era LangWatch is the agent testing platform for teams shipping AI agents that have to work in the real world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchSaginaw, MI, United StatesHQ recorded Nov 6, 20261-109 contacts →

Exact match

“Evaluate AI Agents before launch, supervise in production, and publish human readable proof across any vendor or system.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchNew York, NY, United StatesHQ recorded Nov 6, 202611-509 contacts →

Exact match

“Citrusˣ is an AI Validation and Risk Management Platform that enables organizations to manage AI risks at scale.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchAustin, United StatesHQ recorded Nov 6, 20261-109 contacts →

Exact match

“Warden is the platform enabling HR and TA to adopt AI responsibly.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchChicago, IL, United StatesHQ recorded Nov 6, 202611-507 contacts →

Exact match

“A global Independent Verification and Validation (IV & V) firm specializing in developing and delivering products and services to optimize and streamline the validation process…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 202611-507 contacts →

Exact match

“Confident AI an AI quality platform and is the easiest way for any organization to build reliable AI.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 317 AI model validation companies worldwide

See the full list, filter by size, metro and specialty, and access 313 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

AI model validation companies worldwide at a glance

As of Nov 6, 2026
9.7%Verified-email coverage
10.2Average contacts per company
1-10Median size (employees)
4.7%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
243
11-50
57
51-200
11
201-500
4
1,001-5,000
1
10001+
1

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 AI model validation companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “AI model validation 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 313 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.

AI model validation companies by location

1 lists · largest first

Every AI model validation companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 “AI model validation companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many AI model validation companies are there worldwide?

RevenueBase identified 317 company matches for AI model validation companies 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?

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

Which country has the most AI model validation companies?

The United States leads with 90 companies. Every AI model validation companies list by country and city is linked on this page.

Which city has the most AI model validation companies?

London leads with 15 company records, followed by San Francisco (13) and New York (11).

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 313 professional contacts with verified work emails tracked across these 317 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.

Ready to reach these companies? Verified emails and direct dials for all 317 AI model validation companies worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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.