Company lists · Data refreshed September 2026

Top 25 Advertising effectiveness research worldwide

RevenueBase identified 153 company matches for advertising effectiveness research worldwide as of September 2026 and tracks 1,935 professional contacts across them, including 451 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for advertising effectiveness research 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 19, 2026. Country and city lists for advertising effectiveness research 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 19, 2026 How this list was built
153Companies
1,935Contacts tracked
451Verified emails
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The 25 largest advertising effectiveness research worldwide

Ranked by team size
Top 25 of 153 company matches for advertising effectiveness research worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 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 matchNew York, NY, United StatesHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
2Exact matchLeamington Spa, United KingdomHQ recorded Sep 19, 202651-200131 contacts →

Exact match

“If nobody notices your advertising, is it even advertising?”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3Exact matchGhent, BelgiumHQ recorded Sep 19, 202651-200110 contacts →

Exact match

“Ipsos Belgium is the largest market research agency in the country, offering its services through its locations in Antwerp, Ghent, and Louvain.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4Exact matchWestbury, NY, United StatesHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Sep 19, 202611-5066 contacts →

Exact match

“Research that helps brands glow and grow’ is the simple expression of everything we do.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6Exact matchAmsterdam, NetherlandsHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
7Exact matchUnited StatesHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
8Exact matchAustin, TX, United StatesHQ recorded Sep 19, 202651-20036 contacts →

Exact match

“MediaScience is the leader in media context research - quantifying how audience, content, platform, and format shape advertising effectiveness and the viewer experience.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9Exact matchSt. Gallen, SwitzerlandHQ recorded Sep 19, 202611-5028 contacts →

Exact match

“The Institute for Marketing and Customer Insight is one of the leading institutions in marketing and consumer research in Europe.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10Exact matchSurfside, FL, United StatesHQ recorded Sep 19, 202611-5026 contacts →

Exact match

“Triangulum is a marketing analytics and insights consultancy.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11Exact matchMadrid, SpainHQ recorded Sep 19, 202611-5026 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12Exact matchPetah-tikva, IsraelHQ recorded Sep 19, 2026201-50023 contacts →

Exact match

“Marketing Research Group.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13Exact matchMedellín, ColombiaHQ recorded Sep 19, 202611-5020 contacts →

Exact match

“We specialize in market research and social research from various scientific perspectives, aiming to innovate in brand or identity development and audience relationship-building.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14Exact matchParis, FranceHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
15Exact matchRamat Gan, IsraelHQ recorded Sep 19, 202611-5017 contacts →

Exact match

“The leading market research agency in Israel.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16Exact matchMumbai, IndiaHQ recorded Sep 19, 202611-5015 contacts →

Exact match

“What makes advertising tick has and always will be fundamental.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17Exact matchMelbourne, United StatesHQ recorded Sep 19, 202611-5012 contacts →

Exact match

“It is harder than ever to make advertising that works.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18Exact matchEnglewood, NJ, United StatesHQ recorded Sep 19, 202611-5011 contacts →

Exact match

“Signet Research is a market research firm that offers the most innovative research tools and solutions to support media brands with their advertising, content and multi-platform…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19Exact matchAlbuquerque, NM, United StatesHQ recorded Sep 19, 202611-5011 contacts →

Exact match

“Marketing and the markets keep evolving.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20Exact matchWhite Plains, NY, United StatesHQ recorded Sep 19, 202611-509 contacts →

Exact match

“For over 25 years, ABX Advertising Benchmark Index has led the way in major ad effectiveness solutions.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21Exact matchOviedo, FL, United StatesHQ recorded Sep 19, 202611-509 contacts →

Exact match

“C3Research has unique DNA.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22Exact matchCali, ColombiaHQ recorded Sep 19, 20261-109 contacts →

Exact match

“We are a Marketing Science agency that seeks to strengthen the Equity of our clients' brands through understanding their consumers and finding transforming insights.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23Exact matchAtlanta, GA, United StatesHQ recorded Sep 19, 20261-107 contacts →

Exact match

“Research for branding, communications and product development.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24Exact matchAtlanta, United StatesHQ recorded Sep 19, 20261-106 contacts →

Exact match

“The Academy of Marketing is an institute devoted to studying the fundamentals of Consumer Behavior and marketing, and teaching media companies, marketers, and advertising agencies…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25Exact matchSao Paulo, BrazilHQ recorded Sep 19, 202611-506 contacts →

Exact match

“Na Pragma, as ideias trabalham pra valer.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase

Showing 25 of 153 advertising effectiveness research worldwide

See the full list, filter by size, metro and specialty, and access 451 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Advertising effectiveness research worldwide at a glance

As of Sep 19, 2026
23.3%Verified-email coverage
12.6Average contacts per company
1-10Median size (employees)
3.3%Largest-city concentration · London
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
81
11-50
49
51-200
11
201-500
8
1,001-5,000
1
5,001-10,000
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 advertising effectiveness research are linked below.
What qualifies
Company records worldwide whose business descriptions match “advertising effectiveness research” 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 451 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 19, 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.

Advertising effectiveness research by location

1 lists · largest first

Every Advertising effectiveness research 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 “advertising effectiveness research”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many advertising effectiveness research are there worldwide?

RevenueBase identified 153 company matches for advertising effectiveness research 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?

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

Which country has the most advertising effectiveness research?

The United States leads with 35 companies. Every advertising effectiveness research list by country and city is linked on this page.

Which city has the most advertising effectiveness research?

London leads with 5 company records, followed by Paris (4) and Sao Paulo (4).

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 451 professional contacts with verified work emails tracked across these 153 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 19, 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.