Company lists · Data refreshed November 2026

Top 25 Ad intelligence services worldwide

Name: Ad intelligence services worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 7,652 companies tracked

RevenueBase identified 7,652 company matches for ad intelligence services worldwide as of November 2026 and tracks 184,382 professional contacts across them, including 53,928 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for ad intelligence 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 ad intelligence 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

7,652Companies

184,382Contacts tracked

53,928Verified emails

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The 25 largest ad intelligence services worldwide

Ranked by team size

Top 25 of 7,652 company matches for ad intelligence 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	Nielsen	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	10001+	26,152 contacts →
	Exact match “Nielsen shapes the world’s media and content as a global leader in audience insights, data and analytics.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Kantar	Exact match	London, United KingdomHQ recorded Nov 6, 2026	10001+	16,459 contacts →
	Exact match “Kantar is the world’s leading marketing data and analytics business.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Publicis Media	Exact match	London, United KingdomHQ recorded Nov 6, 2026	10001+	7,259 contacts →
	Exact match “Publicis Media harnesses the power of modern media through leading agency brands Dysrupt, Infinite Roar, Publicis Collective, Publicis Health Media, Spark Foundry, Starcom and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	PHD	Exact match	Bankside, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	4,197 contacts →
	Exact match “Welcome to PHD.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Kantar Ibope Media	Exact match	Sao Paulo, BrazilHQ recorded Nov 6, 2026	1,001-5,000	2,953 contacts →
	Exact match “Kantar IBOPE Media agora é Ibope.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Horizon Media	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,506 contacts →
	Exact match “Horizon Media is a leader in driving business-based outcomes for marketers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Cision	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,200 contacts →
	Exact match “Cision is the global leader in consumer and media intelligence, engagement, and communication solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Doubleverify	Exact match	New York, United StatesHQ recorded Nov 6, 2026	501-1,000	1,406 contacts →
	Exact match “DoubleVerify is a leading software platform for digital media measurement and analytics.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Similarweb	Exact match	NY, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,378 contacts →
	Exact match “We power businesses with the best digital data.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Comscore, INC	Exact match	Reston, VA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,331 contacts →
	Exact match “Comscore (NASDAQ: SCOR) is a global, trusted partner for planning, transacting and evaluating media across platforms.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Kantar Media	Exact match	London, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	1,171 contacts →
	Exact match “Kantar Media is now Fifty5Blue.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Mediaocean	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,111 contacts →
	Exact match “Mediaocean is powering the future of the advertising ecosystem with technology that empowers brands and agencies to deliver impactful omnichannel marketing experiences.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Brainlabs	Exact match	New York, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,066 contacts →
	Exact match “Brainlabs is an independent, AI-native media agency built to grow client revenue and prove the impact of every dollar spent on media.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	MMA Marketing Management Analytics	Exact match	Norwalk, NY, United StatesHQ recorded Nov 6, 2026	201-500	1,045 contacts →
	Exact match “Ipsos MMA is committed to enabling our clients to achieve significant brand and marketplace advantages by synergistically leveraging unified marketing & commercial measurement and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Integral AD Science	Exact match	New York, United StatesHQ recorded Nov 6, 2026	501-1,000	1,020 contacts →
	Exact match “Integral Ad Science (IAS) is a leading global platform that connects AI-powered media quality to real business outcomes, from brand perception to sales lift.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Onclusive	Exact match	London, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	930 contacts →
	Exact match “Onclusive is the global benchmark for integrated media content, turning enriched data into actionable insight across every channel - online, print, broadcast and social.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Smartly	Exact match	Helsinki, FinlandHQ recorded Nov 6, 2026	501-1,000	922 contacts →
	Exact match “Smartly is the AI-powered advertising technology company transforming ad experiences for brands and their consumers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Isentia	Exact match	Sydney, AustraliaHQ recorded Nov 6, 2026	501-1,000	879 contacts →
	Exact match “For over 40 years, Isentia has been Asia-Pacific's most trusted name in media intelligence.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Mediaplus Group	Exact match	Munich, GermanyHQ recorded Nov 6, 2026	1,001-5,000	872 contacts →
	Exact match “Mediaplus is one of Europe’s largest independent, partner-owned media agencies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Brandwatch	Exact match	London, United KingdomHQ recorded Nov 6, 2026	501-1,000	841 contacts →
	Exact match “Understand and engage with your customers at the speed of social.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Kepler	Exact match	New York, PA, United StatesHQ recorded Nov 6, 2026	501-1,000	820 contacts →
	Exact match “We’re on a mission to clarify the digital universe.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	CARMA	Exact match	Dubai, United Arab EmiratesHQ recorded Nov 6, 2026	501-1,000	763 contacts →
	Exact match “CARMA is the world’s most experienced media intelligence service provider.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	TAM Media Research Pvt. LTD	Exact match	Mumbai, IndiaHQ recorded Nov 6, 2026	501-1,000	721 contacts →
	Exact match “TAM Media Research, is a 50:50 joint venture between two global media research organizations, Nielsen & Kantar Media Research.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Vertis Communications	Exact match	Sussex, WI, United StatesHQ recorded Nov 6, 2026	10001+	710 contacts →
	Exact match “Vertis Communications was acquired by Quad/Graphics in January 2013.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Ebiquity PLC	Exact match	London, United KingdomHQ recorded Nov 6, 2026	501-1,000	651 contacts →
	Exact match “Ebiquity is the independent authority in Marketing Effectiveness.” 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 “ad intelligence 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 7,652 ad intelligence services worldwide

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Ad intelligence services worldwide at a glance

As of Nov 6, 2026

29.2%Verified-email coverage

24.1Average contacts per company

11-50Median size (employees)

2.9%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

3,784

11-50

2,694

51-200

812

201-500

191

501-1,000

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 ad intelligence services are linked below.
What qualifies: Company records worldwide whose business descriptions match “ad intelligence 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 53,928 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.

Ad intelligence services by location

70 lists · largest first

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

How many ad intelligence services are there worldwide?

RevenueBase identified 7,652 company matches for ad intelligence 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?

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

Which country has the most ad intelligence services?

The United States leads with 1,647 companies, followed by India (672) and the United Kingdom (382). Every ad intelligence services list by country and city is linked on this page.

Which city has the most ad intelligence services?

London leads with 220 company records, followed by New York (198) and Sao Paulo (116).

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 53,928 professional contacts with verified work emails tracked across these 7,652 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.