Company lists · Data refreshed September 2026

Top 25 Advertising consulting services worldwide

Name: Advertising consulting services worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 47,099 companies tracked

RevenueBase identified 47,099 company matches for advertising consulting services worldwide as of September 2026 and tracks 283,440 professional contacts across them, including 51,456 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for advertising 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 September 21, 2026. Country and city lists for advertising 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 Sep 21, 2026 How this list was built

47,099Companies

283,440Contacts tracked

51,456Verified emails

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The 25 largest advertising consulting services worldwide

Ranked by team size

Top 25 of 47,099 company matches for advertising consulting services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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	GREY	Exact match	New York, NY, United StatesHQ recorded Sep 21, 2026	5,001-10,000	2,648 contacts →
	Exact match “Grey’s mission is to create Famously Effective ideas that move people, business, and the world forward-harnessing the power of creativity to solve business problems and deliver…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2	Horizon Media	Exact match	New York, NY, United StatesHQ recorded Sep 21, 2026	1,001-5,000	2,368 contacts →
	Exact match “Horizon Media is a leader in driving business-based outcomes for marketers.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3	Informal	Exact match	GreeceHQ recorded Sep 21, 2026	5,001-10,000	1,802 contacts →
	Exact match “informal is a company based out of Greece.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4	Omnicom	Exact match	New York, NY, United StatesHQ recorded Sep 21, 2026	10001+	1,727 contacts →
	Exact match “Omnicom is the world’s leading marketing and sales company, built for intelligent growth in the next era.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5	TBC	Exact match	Baltimore, MD, United StatesHQ recorded Sep 21, 2026	n/a	1,255 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 · Sep 21, 2026 · View company records in RevenueBase
6	IVE Group	Exact match	Sydney, AustraliaHQ recorded Sep 21, 2026	1,001-5,000	860 contacts →
	Exact match “IVE Group is Australia’s largest diversified marketing company.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7	DONER	Exact match	Southfield, MI, United StatesHQ recorded Sep 21, 2026	501-1,000	708 contacts →
	Exact match “Doner unlocks all the tools of Modern marketing to build lasting connections with every day, Main Street consumers.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8	Stream Companies	Exact match	Malvern, PA, United StatesHQ recorded Sep 21, 2026	501-1,000	572 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 · Sep 21, 2026 · View company records in RevenueBase
9	Tombras	Exact match	Knoxville, TN, United StatesHQ recorded Sep 21, 2026	201-500	496 contacts →
	Exact match “Tombras is a 450+ person, full-service agency with a digital mindset.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10	R&r Partners	Exact match	Las Vegas, NV, United StatesHQ recorded Sep 21, 2026	201-500	493 contacts →
	Exact match “R&R partners isn’t our name, it’s our promise.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11	Martin	Exact match	Richmond, VA, United StatesHQ recorded Sep 21, 2026	201-500	482 contacts →
	Exact match “We are a full-service agency with capabilities in advertising, strategic planning, direct response, digital, data analytics, design and branded content.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12	CLEAN	Exact match	Raleigh, NC, United StatesHQ recorded Sep 21, 2026	n/a	414 contacts →
	Exact match “We are CLEAN Advertising and Design, a full-service creative agency with over 28 years of experience delivering ideas that help build brand awareness, engage audiences, and…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13	Mullenlowe U.S	Exact match	Boston, CA, United StatesHQ recorded Sep 21, 2026	201-500	408 contacts →
	Exact match “We are a creatively driven full-service agency committed to always being a challenger.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14	Crispin	Exact match	New York, NY, United StatesHQ recorded Sep 21, 2026	51-200	405 contacts →
	Exact match “Crispin is the original creative business partner, challenging the industry’s established norms on behalf of our clients to create the most outrageously effective work since 1965.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15	TAGG	Exact match	São Paulo, BrazilHQ recorded Sep 21, 2026	1,001-5,000	385 contacts →
	Exact match “Composed of professionals working in the segment since TAGG offers complete solutions with a wide variety of Promotional Marketing services.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16	Pilot Group	Exact match	Hamburg, GermanyHQ recorded Sep 21, 2026	501-1,000	381 contacts →
	Exact match “pilot is one of the largest independent and owner-managed agency groups in Germany.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17	Love Advertising	Exact match	Houston, TX, United StatesHQ recorded Sep 21, 2026	51-200	374 contacts →
	Exact match “Love Advertising is a leading regional full-service advertising agency based in Houston, Texas.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18	Horizon Next	Exact match	New York, NY, United StatesHQ recorded Sep 21, 2026	201-500	355 contacts →
	Exact match “Horizon Next is one of the industry's most innovative and data-driven marketing organizations and sits at the intersection of three constantly changing landscapes: people, data…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19	Laboratory	Exact match	Toronto, ON, CanadaHQ recorded Sep 21, 2026	n/a	355 contacts →
	Exact match “We develop strategic, creative solutions that aren’t afraid of challenging tradition, because the way we see it – great marketing shouldn’t have to feel like marketing.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20	MBM	Exact match	Auckland, New ZealandHQ recorded Sep 21, 2026	51-200	345 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 · Sep 21, 2026 · View company records in RevenueBase
21	ARM Worldwide	Exact match	Gurgaon, IndiaHQ recorded Sep 21, 2026	51-200	344 contacts →
	Exact match “Established in 2013,#ARM Worldwide is a renowned digital advertising and marketing communications enterprise that specializes in developing and implementing digital strategies…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22	FCB Ulka	Exact match	IndiaHQ recorded Sep 21, 2026	501-1,000	337 contacts →
	Exact match “FCB Ulka Advertising is the flagship agency of the FCB India Network, one of the fastest growing networks in the country.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23	Goldmine Advertising	Exact match	Mumbai, IndiaHQ recorded Sep 21, 2026	51-200	335 contacts →
	Exact match “We are enriched with over two decades of experience.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24	Mckinney	Exact match	Durham, NC, United StatesHQ recorded Sep 21, 2026	201-500	328 contacts →
	Exact match “McKinney is a full-service creative agency that generates unfair attention for brands.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25	Barkley	Exact match	Kansas City, MO, United StatesHQ recorded Sep 21, 2026	501-1,000	323 contacts →
	Exact match “This page is being closed.” Recorded in the RevenueBase company graph · Sep 21, 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 consulting 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 47,099 advertising consulting services worldwide

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Advertising consulting services worldwide at a glance

As of Sep 21, 2026

18.2%Verified-email coverage

6.0Average contacts per company

1-10Median size (employees)

1.1%Largest-city concentration · London

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

32,986

11-50

11,786

51-200

1,678

201-500

402

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 consulting services are linked below.
What qualifies: Company records worldwide whose business descriptions match “advertising 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 51,456 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 September 21, 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 consulting services by location

224 lists · largest first

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

How many advertising consulting services are there worldwide?

RevenueBase identified 47,099 company matches for advertising consulting services worldwide as of September 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?

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

Which country has the most advertising consulting services?

The United States leads with 9,351 companies, followed by India (3,551) and Brazil (2,288). Every advertising consulting services list by country and city is linked on this page.

Which city has the most advertising consulting services?

London leads with 539 company records, followed by New York (490) and Sao Paulo (476).

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 51,456 professional contacts with verified work emails tracked across these 47,099 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 September 21, 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.