Company lists · Data refreshed November 2026

Top 25 Media buying consulting services worldwide

RevenueBase identified 14,236 company matches for media buying consulting services worldwide as of November 2026 and tracks 199,198 professional contacts across them, including 52,770 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for media buying consulting 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 media buying consulting 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
14,236Companies
199,198Contacts tracked
52,770Verified emails
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The 25 largest media buying consulting services worldwide

Ranked by team size
Top 25 of 14,236 company matches for media buying consulting 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLondon, United KingdomHQ recorded Nov 6, 202610001+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
2Exact matchVentura, United StatesHQ recorded Nov 6, 20261,001-5,0004,635 contacts →

Exact match

“It's more than just clicks.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchLondon, IL, United KingdomHQ recorded Nov 6, 20265,001-10,0004,405 contacts →

Exact match

“Zenith is the ROI Agency.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchNew York, NY, United StatesHQ recorded Nov 6, 202610001+4,396 contacts →

Exact match

“IPG Mediabrands is the media and marketing solutions division of Interpublic Group (NYSE: IPG).”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchBankside, United KingdomHQ recorded Nov 6, 20261,001-5,0004,197 contacts →

Exact match

“Welcome to PHD.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchToronto, FL, CanadaHQ recorded Nov 6, 2026n/a3,078 contacts →

Exact match

“Other.™ is a modern integrated media agency built for marketers who need more from their agency partner.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchNY, United StatesHQ recorded Nov 6, 20261,001-5,0003,019 contacts →

Exact match

“As one of the fastest-growing global media agency networks, Spark Foundry is not beholden to legacy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchNew York, NY, United StatesHQ recorded Nov 6, 20261,001-5,0002,506 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
9Exact matchNew York, United StatesHQ recorded Nov 6, 202610001+2,447 contacts →

Exact match

“Omnicom Media Group (OMG), the media services division of Omnicom Group Inc, delivers transformational experiences for consumers, clients, and talent.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchBaltimore, MD, United StatesHQ recorded Nov 6, 2026n/a1,328 contacts →

Exact match

“TBC is an independently owned, full-service branding, advertising and strategic communications agency with headquarters in Baltimore, Maryland, USA.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchNew York, NY, United StatesHQ recorded Nov 6, 20261,001-5,0001,260 contacts →

Exact match

“Tinuiti is a media agency that not only builds brands, but architects business outcomes.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchNew York, NY, United StatesHQ recorded Nov 6, 20261,001-5,0001,111 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
13Exact matchUnited StatesHQ recorded Nov 6, 2026501-1,000953 contacts →

Exact match

“We’re Magnite (NASDAQ: MGNI), the world’s largest independent sell-side advertising company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchHelsinki, FinlandHQ recorded Nov 6, 2026501-1,000922 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
15Exact matchCopenhagen, DenmarkHQ recorded Nov 6, 2026501-1,000881 contacts →

Exact match

“Adform is the most powerful and safe media buying platform in the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchMunich, GermanyHQ recorded Nov 6, 20261,001-5,000872 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
17Exact matchMumbai, IndiaHQ recorded Nov 6, 2026201-500809 contacts →

Exact match

“MullenLowe Lintas Group is one of India’s largest and most admired communication groups.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchAtlanta, KS, United StatesHQ recorded Nov 6, 2026501-1,000788 contacts →

Exact match

“Cox Media is now Spectrum Reach.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchBrighton And Hove, United KingdomHQ recorded Nov 6, 2026n/a672 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Nov 6, 2026501-1,000651 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
21Exact matchNew York, United StatesHQ recorded Nov 6, 20261,001-5,000624 contacts →

Exact match

“Mediahub is an award-winning global media agency and part of Omnicom Media.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchMalvern, CA, United StatesHQ recorded Nov 6, 2026501-1,000600 contacts →

Exact match

“Stream Companies is a full service advertising agency that specializes in launching, positioning, and long term management of brands on full service contracts and a…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchStockholm, SwedenHQ recorded Nov 6, 2026201-500571 contacts →

Exact match

“Precis is a modern, tech-powered digital marketing agency specialising in media buying, analytics, creative, and proprietary technology.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchLos Angeles, CA, United StatesHQ recorded Nov 6, 2026201-500566 contacts →

Exact match

“Named one of Ad Age’s 2026 Top 10 Best Places to Work, Canvas Worldwide is an independent media agency that provides innovative marketing solutions for brands looking to challenge…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchPearl River, NY, United StatesHQ recorded Nov 6, 2026501-1,000565 contacts →

Exact match

“Active International, the corporate trade leader for over four decades, enables companies to maximize the value they receive for assets, increase their return on ad spend, and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 14,236 media buying consulting services worldwide

See the full list, filter by size, metro and specialty, and access 52,770 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Media buying consulting services worldwide at a glance

As of Nov 6, 2026
26.5%Verified-email coverage
14.0Average contacts per company
1-10Median size (employees)
2.1%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
8,037
11-50
4,674
51-200
1,033
201-500
285
501-1,000
58
1,001-5,000
44
5,001-10,000
18
10001+
24

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 media buying consulting services are linked below.
What qualifies
Company records worldwide whose business descriptions match “media buying consulting 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 52,770 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.

Media buying consulting services by location

102 lists · largest first

Every Media buying consulting 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 “media buying consulting services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many media buying consulting services are there worldwide?

RevenueBase identified 14,236 company matches for media buying consulting 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?

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

Which country has the most media buying consulting services?

The United States leads with 2,987 companies, followed by India (1,176) and the United Kingdom (621). Every media buying consulting services list by country and city is linked on this page.

Which city has the most media buying consulting services?

London leads with 292 company records, followed by New York (261) and Sao Paulo (152).

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 52,770 professional contacts with verified work emails tracked across these 14,236 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.