Company lists · Data refreshed October 2026

Top 25 Marketing audit services worldwide

RevenueBase identified 6,153 company matches for marketing audit services worldwide as of October 2026 and tracks 33,131 professional contacts across them, including 6,410 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for marketing audit 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 October 19, 2026. Country and city lists for marketing audit 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 Oct 19, 2026 How this list was built
6,153Companies
33,131Contacts tracked
6,410Verified emails
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The 25 largest marketing audit services worldwide

Ranked by team size
Top 25 of 6,153 company matches for marketing audit services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 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 matchWestport, CT, United StatesHQ recorded Oct 19, 2026n/a1,697 contacts →

Exact match

“MCAworks is a strategic marketing consulting firm passionately dedicated to helping our clients accelerate and sustain business growth.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
2Exact matchSariyer, TürkiyeHQ recorded Oct 19, 2026n/a916 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 · Oct 19, 2026 · View company records in RevenueBase
3Exact matchNew York, NY, United StatesHQ recorded Oct 19, 2026501-1,000605 contacts →

Exact match

“MediaRadar equips marketing, sales and analytics leaders with the intelligence they need to stay ahead.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
4Exact matchClichy, FranceHQ recorded Oct 19, 2026n/a431 contacts →

Exact match

“June marketing est une agence marketing multi-expertises à forte culture « consumer-centric », issue de la fusion de MSM, Cubes et New Moon.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
5Exact matchHo Chi Minh City, VietnamHQ recorded Oct 19, 2026201-500301 contacts →

Exact match

“Founded in 2016, PMAX has been a pioneer in Performance Marketing in Vietnam, earning a strong reputation through sustainable growth strategies and a steadfast commitment to…”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
6Exact matchBogota, ColombiaHQ recorded Oct 19, 2026201-500293 contacts →

Exact match

“En Mentius transformamos la inteligencia de negocios y el marketing en motores de crecimiento rentable.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
7Exact matchSt. Louis, MO, United StatesHQ recorded Oct 19, 2026201-500277 contacts →

Exact match

“Drive Social Media takes a holistic approach to designing strategies for our clients.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
8Exact matchRiyadh, Saudi ArabiaHQ recorded Oct 19, 2026201-500258 contacts →

Exact match

“Ways Marketing Solutions began with a vision: to navigate and lead in a rapidly evolving market, where competition is fierce and new entrants emerge across every industry.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
9Exact matchHelsinki, FinlandHQ recorded Oct 19, 2026201-500243 contacts →

Exact match

“Dagmar is an insightful and high-performance marketing agency.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
10Exact matchIstanbul, TürkiyeHQ recorded Oct 19, 202651-200229 contacts →

Exact match

“We're a marketing performance company committed to delivering sharper insights,smarter ideas,stronger results driving our clients growth.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
11Exact matchNew York, NY, United StatesHQ recorded Oct 19, 2026201-500220 contacts →

Exact match

“Gain Theory is a global marketing effectiveness and foresight consultancy.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
12Exact matchBlue Ash, United StatesHQ recorded Oct 19, 202651-200203 contacts →

Exact match

“For 40 years, MarketVision Research has provided its clients with innovative design, execution and interpretation of marketing research to deliver fresh consumer insights and…”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
13Exact matchBoston, MA, United StatesHQ recorded Oct 19, 202651-200188 contacts →

Exact match

“Our passion is helping leading brands make critical decisions with confidence.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
14Exact matchХарків, UkraineHQ recorded Oct 19, 2026201-500165 contacts →

Exact match

“Promodo, найбільша маркетингова агенція повного циклу в Україні та CEE, заснована у 2004 році.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
15Exact matchLima, PeruHQ recorded Oct 19, 202651-200138 contacts →

Exact match

“Somos la consultora especializada en investigación de mercados accionable.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
16Exact matchSão Paulo, BrazilHQ recorded Oct 19, 202651-200137 contacts →

Exact match

“Líder de tecnologia de marketing e dados da América Latina!”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
17Exact matchShanghai, ChinaHQ recorded Oct 19, 2026201-500126 contacts →

Exact match

“Founded in 2007 as an insight-driven marketing consulting firm, Illuminera, an IQVIA business, has evolved into a premier data-empowered marketing consulting and solutions group…”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
18Exact matchBrentwood, TN, United StatesHQ recorded Oct 19, 202611-50122 contacts →

Exact match

“As a Google Premier and Facebook Agency Partner, LSM drives revenue growth for multi-unit businesses through scalable websites, lead generating advertising campaigns…”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
19Exact matchArlington, TX, United StatesHQ recorded Oct 19, 202651-200118 contacts →

Exact match

“Decision Analyst is a global marketing research and analytical consulting agency, serving a number of Fortune 500 corporations, advertising agencies, and management consulting…”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
20Exact matchPune, IndiaHQ recorded Oct 19, 202651-200115 contacts →

Exact match

“BrandEssence Research is a global market research and consulting firm enabling organizations to make confident strategic decisions in an increasingly dynamic business environment.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
21Exact matchCharleston, SC, United StatesHQ recorded Oct 19, 202651-200111 contacts →

Exact match

“Brandon is a full-force marketing agency engineered to outsmart, outperform, and out-create the competition.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
22Exact matchFarmington Hills, MI, United StatesHQ recorded Oct 19, 202651-200108 contacts →

Exact match

“In April of 2022, we were acquired by Fusion92.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
23Exact matchSt. Louis, MO, United StatesHQ recorded Oct 19, 202651-200107 contacts →

Exact match

“Amplified Digital Agency, LLC was born from a desire to help businesses establish a robust digital presence.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
24Exact matchPraha 8, Czech RepublicHQ recorded Oct 19, 202651-200104 contacts →

Exact match

“Před dvaceti lety jsme si položili otázku: Jak udělat kampaň, aby opravdu fungovala?”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
25Exact matchNew Delhi, IndiaHQ recorded Oct 19, 202611-50104 contacts →

Exact match

“Marketing services company specializing in marketing strategy development and business process change.”

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

Showing 25 of 6,153 marketing audit services worldwide

See the full list, filter by size, metro and specialty, and access 6,410 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Marketing audit services worldwide at a glance

As of Oct 19, 2026
19.3%Verified-email coverage
5.4Average contacts per company
1-10Median size (employees)
1.8%Largest-city concentration · London
Oct 19, 2026Page data refreshed

Companies by employee count

1-10
4,607
11-50
1,292
51-200
206
201-500
33
501-1,000
5
1,001-5,000
3
5,001-10,000
1
10001+
3

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 audit services are linked below.
What qualifies
Company records worldwide whose business descriptions match “marketing audit 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 6,410 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 October 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.

Marketing audit services by location

34 lists · largest first

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

How many marketing audit services are there worldwide?

RevenueBase identified 6,153 company matches for marketing audit services worldwide as of October 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?

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

Which country has the most marketing audit services?

The United States leads with 1,635 companies, followed by India (370) and the United Kingdom (346). Every marketing audit services list by country and city is linked on this page.

Which city has the most marketing audit services?

London leads with 113 company records, followed by Sao Paulo (76) and New York (74).

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 6,410 professional contacts with verified work emails tracked across these 6,153 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 October 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.