Company lists · Data refreshed September 2026

Top 25 Ad testing companies worldwide

RevenueBase identified 260 company matches for ad testing companies worldwide as of September 2026 and tracks 2,836 professional contacts across them, including 918 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for ad testing 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 21, 2026. Country and city lists for ad testing 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 21, 2026 How this list was built
260Companies
2,836Contacts tracked
918Verified emails
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The 25 largest ad testing companies worldwide

Ranked by team size
Top 25 of 260 company matches for ad testing companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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 matchLondon, United KingdomHQ recorded Sep 21, 2026501-1,000625 contacts →

Exact match

“Ebiquity is the independent authority in Marketing Effectiveness.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2Exact matchNew York, NY, United StatesHQ recorded Sep 21, 202610001+218 contacts →

Exact match

“MAGNA is the media intelligence unit within IPG Mediabrands and the driving force behind advertising forecasts, understanding consumer behavior, marketplace insights, and…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3Exact matchNew Delhi, IndiaHQ recorded Sep 21, 202651-20086 contacts →

Exact match

“ETML is a partner of choice for brands that are chasing sustainable growth in today’s world of go big or go home.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4Exact matchWestbury, NY, United StatesHQ recorded Sep 21, 202651-20071 contacts →

Exact match

“We’re a full-service marketing research agency with our core competencies in foundational strategy work, creative development and quantification, modeling and forecasting, through…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5Exact matchNew York, NY, United StatesHQ recorded Sep 21, 202651-20065 contacts →

Exact match

“NCS’s mission is to help marketers and media companies measure and improve advertising performance by accurately linking what consumers watch, see, or hear with what they buy.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6Exact matchAmsterdam, NetherlandsHQ recorded Sep 21, 202611-5055 contacts →

Exact match

“MeMo² a Kantar company - is a globally recognized leader in the field of marketing and business consulting.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7Exact matchNew York, NY, United StatesHQ recorded Sep 21, 202651-20050 contacts →

Exact match

“Swayable | Persuasion Intelligence.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8Exact matchRhinebeck, NY, United StatesHQ recorded Sep 21, 202651-20050 contacts →

Exact match

“Phoenix Marketing International is now MarketCast!”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9Exact matchOmaha, NE, United StatesHQ recorded Sep 21, 202651-20050 contacts →

Exact match

“The MSR Group is your full-service research partner.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10Exact matchSan Francisco, CA, United StatesHQ recorded Sep 21, 202651-20049 contacts →

Exact match

“Upwave is the Brand Outcomes Measurement Platform.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11Exact matchUnited StatesHQ recorded Sep 21, 202651-20047 contacts →

Exact match

“Исследования, необходимые для развития брендов, разработки маркетинговой поддержки и оценки ее эффективности – основное направление нашей работы.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12Exact matchNew York, United StatesHQ recorded Sep 21, 20261,001-5,00047 contacts →

Exact match

“Competitrack, a Market Track company, is a full service competitive advertising tracking firm.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13Exact matchBuenos Aires, ArgentinaHQ recorded Sep 21, 202611-5042 contacts →

Exact match

“Mega Research una agencia de investigación y estrategia de mercados con sedes en México, Brasil, Argentina y España.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14Exact matchSan Marcos, TX, United StatesHQ recorded Sep 21, 202651-20041 contacts →

Exact match

“CRI is a full service Market Research firm with 15 years of experience.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15Exact matchLevallois-perret, FranceHQ recorded Sep 21, 202651-20037 contacts →

Exact match

“MarketingScan, société spécialisée dans la grande consommation, accompagne les industriels, les distributeurs, les agences media et les régies publicitaires dans l’aide à la…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16Exact matchDubai, United Arab EmiratesHQ recorded Sep 21, 202611-5032 contacts →

Exact match

“Game ads are our main interest, making sure all ads comply with your Regulations.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17Exact matchBrisbane City, AustraliaHQ recorded Sep 21, 202611-5030 contacts →

Exact match

“Don’t buy media, buy your audience.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18Exact matchSurfside, FL, United StatesHQ recorded Sep 21, 202611-5026 contacts →

Exact match

“Triangulum is a marketing analytics and insights consultancy.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19Exact matchMadrid, SpainHQ recorded Sep 21, 202611-5026 contacts →

Exact match

“Somos especialistas en análisis y control para la eficacia publicitaria.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20Exact matchPetah-tikva, IsraelHQ recorded Sep 21, 2026201-50023 contacts →

Exact match

“Marketing Research Group.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21Exact matchSt.-Denis, FranceHQ recorded Sep 21, 202651-20023 contacts →

Exact match

“Adot accompagne plus de 500 marques dans leurs activations media en France et à l'international et dans l'analyse de leur audience en s'appuyant sur 4 piliers - Un dataset…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22Exact matchCriciúma, BrazilHQ recorded Sep 21, 202611-5020 contacts →

Exact match

“A Alldaya, como nossa própria essência diz, é criada pela necessidade de estarmos 24h conectados, anunciando, testando e realizando as mais diversas estratégias, tudo em prol dos…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23Exact matchParis, FranceHQ recorded Sep 21, 202611-5019 contacts →

Exact match

“iligo is an award-winning research agency and consultancy focused on understanding new consumer behaviors and assessing the effectiveness of marketing activities for brand…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24Exact matchBogotá, ColombiaHQ recorded Sep 21, 202611-5018 contacts →

Exact match

“Compañía de investigación de medios y mercados.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25Exact matchMadrid, SpainHQ recorded Sep 21, 202611-5017 contacts →

Exact match

“We are experts in generating profitability in the media investments of advertisers, developing new and innovative tools to achieve this.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

Showing 25 of 260 ad testing companies worldwide

See the full list, filter by size, metro and specialty, and access 918 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Ad testing companies worldwide at a glance

As of Sep 21, 2026
32.4%Verified-email coverage
10.9Average contacts per company
1-10Median size (employees)
2.7%Largest-city concentration · London
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
155
11-50
75
51-200
20
201-500
6
501-1,000
1
1,001-5,000
2
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 ad testing companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “ad testing 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 918 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 21, 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.

Ad testing companies by location

1 lists · largest first

Every Ad testing 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 “ad testing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many ad testing companies are there worldwide?

RevenueBase identified 260 company matches for ad testing 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?

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

Which country has the most ad testing companies?

The United States leads with 67 companies. Every ad testing companies list by country and city is linked on this page.

Which city has the most ad testing companies?

London leads with 7 company records, followed by Madrid (6) and New York (6).

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 918 professional contacts with verified work emails tracked across these 260 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 21, 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.