Company lists · Data refreshed November 2026

Top 25 Marketing measurement and optimization services providers worldwide

Name: Marketing measurement and optimization services providers worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 24,673 companies tracked

RevenueBase identified 24,673 company matches for marketing measurement and optimization services providers worldwide as of November 2026 and tracks 277,653 professional contacts across them, including 82,446 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for marketing measurement and optimization services providers 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 marketing measurement and optimization services providers 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

24,673Companies

277,653Contacts tracked

82,446Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest marketing measurement and optimization services providers worldwide

Ranked by team size

Top 25 of 24,673 company matches for marketing measurement and optimization services providers 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	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
2	Epsilon	Exact match	Irving, United StatesHQ recorded Nov 6, 2026	5,001-10,000	10,260 contacts →
	Exact match “Epsilon is a global leader in data and identity with deep expertise in digital media, clean rooms, customer data platforms, loyalty and marketing services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	V4 Company	Exact match	Campinas, BrazilHQ recorded Nov 6, 2026	1,001-5,000	5,047 contacts →
	Exact match “Somos uma assessoria de marketing focada em construir e otimizar o processo de vendas através da internet conectando pessoas que geram resultados com empresas que buscam vender…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Acxiom	Exact match	Conway, NY, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,442 contacts →
	Exact match “Acxiom puts data to work, solving complex challenges for the world’s leading brands and agencies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Zeta Global	Exact match	New York, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,122 contacts →
	Exact match “At Zeta Global (NYSE: ZETA), we help enterprise brands and agencies Achieve the Impossible™ with superintelligent marketing.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Jakala	Exact match	Milan, ItalyHQ recorded Nov 6, 2026	1,001-5,000	2,732 contacts →
	Exact match “We are JAKALA.The leading European player in AI-powered, data-driven performance.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Kinesso	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	5,001-10,000	2,407 contacts →
	Exact match “KINESSO is the technology-driven performance marketing agency within Omnicom Media that provides actionable growth for both agency partners and clients.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Stackadapt	Exact match	Toronto, ON, CanadaHQ recorded Nov 6, 2026	1,001-5,000	1,833 contacts →
	Exact match “StackAdapt is the leading technology company that empowers marketers to reach, engage, and convert audiences with precision.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Power Digital Marketing	Exact match	San Diego, VA, United StatesHQ recorded Nov 6, 2026	501-1,000	1,635 contacts →
	Exact match “Power Digital is a growth marketing firm fueled by technology and driven by a talented team of consultative marketers, creatives, analysts and technologists.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Appsflyer	Exact match	San Francisco, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,583 contacts →
	Exact match “AppsFlyer is the Modern Marketing Cloud that helps businesses transform complex data into clarity and growth.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Intuit Mailchimp	Exact match	Atlanta, GA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,430 contacts →
	Exact match “The Mailchimpossibilities are endless when you create, automate, and optimize your marketing with Mailchimp.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	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
13	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
14	Centerfield	Exact match	Los Angeles, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,168 contacts →
	Exact match “Super-powered customer acquisition.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	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
16	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
17	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
18	SEM	Exact match	Sariyer, TürkiyeHQ recorded Nov 6, 2026	n/a	930 contacts →
	Exact match “SEM is a global new generation consumer marketing and technologies brand where we combine growth consultancy, advanced analytics, digital marketing and technology services under…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	WEBFX	Exact match	Harrisburg, PA, United StatesHQ recorded Nov 6, 2026	501-1,000	906 contacts →
	Exact match “We're here to be your digital marketing growth partner in the AI era.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	NP Digital	Exact match	San Diego, United StatesHQ recorded Nov 6, 2026	1,001-5,000	897 contacts →
	Exact match “Neil Patel has been recognized by the Wall Street Journal, Forbes, and the United Nations, to name a few, as one of the most influential and successful marketers and entrepreneurs…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Onemagnify	Exact match	Detroit, DE, United StatesHQ recorded Nov 6, 2026	501-1,000	867 contacts →
	Exact match “At OneMagnify, we help transformational brands turn insight into action.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Mars United Commerce	Exact match	Southfield, ON, United StatesHQ recorded Nov 6, 2026	501-1,000	832 contacts →
	Exact match “Mars United℠ Commerce is a global commerce marketing practice that aligns people, technology, and intelligence to make the business of our clients better today than it was…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	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
24	Anteriad	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	501-1,000	757 contacts →
	Exact match “Data Driven.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Cadastra	Exact match	São Paulo, BrazilHQ recorded Nov 6, 2026	501-1,000	744 contacts →
	Exact match “We are a global company that blends digital marketing services, consulting and technology.” 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 “marketing measurement and optimization services providers”. 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 24,673 marketing measurement and optimization services providers worldwide

See the full list, filter by size, metro and specialty, and access 82,446 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Marketing measurement and optimization services providers worldwide at a glance

As of Nov 6, 2026

29.7%Verified-email coverage

11.3Average contacts per company

1-10Median size (employees)

2.0%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

16,012

11-50

6,749

51-200

1,380

201-500

300

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 marketing measurement and optimization services providers are linked below.
What qualifies: Company records worldwide whose business descriptions match “marketing measurement and optimization services providers” 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 82,446 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.

Marketing measurement and optimization services providers by location

149 lists · largest first

Every Marketing measurement and optimization services providers 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 “marketing measurement and optimization services providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many marketing measurement and optimization services providers are there worldwide?

RevenueBase identified 24,673 company matches for marketing measurement and optimization services providers 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?

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

Which country has the most marketing measurement and optimization services providers?

The United States leads with 5,532 companies, followed by India (2,955) and the United Kingdom (1,244). Every marketing measurement and optimization services providers list by country and city is linked on this page.

Which city has the most marketing measurement and optimization services providers?

London leads with 496 company records, followed by New York (367) and Sao Paulo (283).

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 82,446 professional contacts with verified work emails tracked across these 24,673 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 24,673 marketing measurement and optimization services providers worldwide. Start with a free account, no credit card.

Download this list →

Related lists

Browse the directory

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.