Company lists · Data refreshed November 2026

Top 25 Advertising procurement consultants worldwide

Name: Advertising procurement consultants worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 7,775 companies tracked

RevenueBase identified 7,775 company matches for advertising procurement consultants worldwide as of November 2026 and tracks 63,789 professional contacts across them, including 14,823 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for advertising procurement consultants 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 advertising procurement consultants 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

7,775Companies

63,789Contacts tracked

14,823Verified emails

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The 25 largest advertising procurement consultants worldwide

Ranked by team size

Top 25 of 7,775 company matches for advertising procurement consultants 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	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
2	Omnicom Media Group	Exact match	New York, United StatesHQ recorded Nov 6, 2026	10001+	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
3	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
4	Mediaradar, INC	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	501-1,000	633 contacts →
	Exact match “MediaRadar equips marketing, sales and analytics leaders with the intelligence they need to stay ahead.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Active International	Exact match	Pearl River, NY, United StatesHQ recorded Nov 6, 2026	501-1,000	565 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
6	Icon International, INC	Exact match	Stamford, CT, United StatesHQ recorded Nov 6, 2026	201-500	516 contacts →
	Exact match “ICON International is the largest independent principal-based media buyer in the U.S, placing nearly $2 billion annually on behalf of its clients.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	MBM	Exact match	Auckland, New ZealandHQ recorded Nov 6, 2026	51-200	385 contacts →
	Exact match “MBM was founded in 2010, and became New Zealand’s largest independent media agency with over 100 staff in its Auckland and Wellington offices.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	W3haus	Exact match	São Paulo, BrazilHQ recorded Nov 6, 2026	201-500	330 contacts →
	Exact match “cocreative native agency” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	The7stars	Exact match	London, United KingdomHQ recorded Nov 6, 2026	201-500	306 contacts →
	Exact match “the7stars is the UK’s largest independent media agency, offering the best people, the best service and the best creative media campaigns.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Newbase	Exact match	London, United KingdomHQ recorded Nov 6, 2026	501-1,000	298 contacts →
	Exact match “At NewBase we provide expert and independent marketing and advertising services across all media channels globally.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	OMD Media Direction	Exact match	Moscow, United StatesHQ recorded Nov 6, 2026	201-500	287 contacts →
	Exact match “OMD Media Direction offers a full range of media services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Media Impact Gmbh & Co. KG	Exact match	Berlin, GermanyHQ recorded Nov 6, 2026	201-500	205 contacts →
	Exact match “At Media Impact, we are the fastest and most creative customer understanding people in Germany.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Magna Global	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	10001+	199 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 · Nov 6, 2026 · View company records in RevenueBase
14	Spark Foundry Australia	Exact match	Pyrmont, AustraliaHQ recorded Nov 6, 2026	201-500	191 contacts →
	Exact match “Spark Foundry Australia is a leading media agency within Publicis Groupe ANZ, with offices in Sydney and Melbourne and a team of 300+ good humans.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Media Instinct Group	Exact match	Moscow, RussiaHQ recorded Nov 6, 2026	201-500	191 contacts →
	Exact match “Finding a better result drives everything we do for our clients!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	ALL Response Media	Exact match	London, United KingdomHQ recorded Nov 6, 2026	51-200	186 contacts →
	Exact match “All Response Media is the leading performance media planning and buying agency.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Heroiks	Exact match	Levallois-perret, FranceHQ recorded Nov 6, 2026	201-500	179 contacts →
	Exact match “Créé en 2005, Heroiks est l’un des principaux acteurs indépendants du conseil en stratégies de croissance et en activation média.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Leverate Group	Exact match	Central Jakarta, SingaporeHQ recorded Nov 6, 2026	51-200	168 contacts →
	Exact match “Leverate Group is established since 2017.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Adbuffs	Exact match	Kolkata, IndiaHQ recorded Nov 6, 2026	51-200	160 contacts →
	Exact match “We engineer Revenue for DTC brands Keen on partnering with us?” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	IVIE	Exact match	Flower Mound, IA, United StatesHQ recorded Nov 6, 2026	501-1,000	158 contacts →
	Exact match “Ivie is a global marketing company existing to provide a higher level of service at a lower cost.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Media World	Exact match	Dubai, United Arab EmiratesHQ recorded Nov 6, 2026	11-50	142 contacts →
	Exact match “A renowned force in the world of OOH advertising, Media World guarantees your brand will be on everyone’s mind.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Novus Media LLC	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	51-200	139 contacts →
	Exact match “Architects of Growth; Optimizers of Outcomes.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	R3	Exact match	London, United KingdomHQ recorded Nov 6, 2026	201-500	137 contacts →
	Exact match “R3 is now known as mediasense.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Lintas Media Group	Exact match	IndiaHQ recorded Nov 6, 2026	51-200	131 contacts →
	Exact match “Lintas Media Group is among the oldest media agencies in India.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	WAL	Exact match	Oslo, NorwayHQ recorded Nov 6, 2026	51-200	130 contacts →
	Exact match “WAL consists of over 100 individuals divided into the disciplines of advertising, media, content production, design, sponsorships & events.” 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 “advertising procurement consultants”. 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 7,775 advertising procurement consultants worldwide

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Advertising procurement consultants worldwide at a glance

As of Nov 6, 2026

23.2%Verified-email coverage

8.2Average contacts per company

1-10Median size (employees)

2.0%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

4,907

11-50

2,211

51-200

435

201-500

119

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 advertising procurement consultants are linked below.
What qualifies: Company records worldwide whose business descriptions match “advertising procurement consultants” 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 14,823 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.

Advertising procurement consultants by location

49 lists · largest first

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

How many advertising procurement consultants are there worldwide?

RevenueBase identified 7,775 company matches for advertising procurement consultants 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?

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

Which country has the most advertising procurement consultants?

The United States leads with 1,409 companies, followed by India (560) and the United Kingdom (364). Every advertising procurement consultants list by country and city is linked on this page.

Which city has the most advertising procurement consultants?

London leads with 156 company records, followed by New York (119) and Istanbul (89).

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 14,823 professional contacts with verified work emails tracked across these 7,775 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.