Company lists · Data refreshed November 2026

Top 25 Telecom advertising agencies worldwide

RevenueBase identified 38,582 company matches for telecom advertising agencies worldwide as of November 2026 and tracks 381,733 professional contacts across them, including 71,131 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for telecom advertising agencies 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 5, 2026. Country and city lists for telecom advertising agencies 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 5, 2026 How this list was built
38,582Companies
381,733Contacts tracked
71,131Verified emails
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The 25 largest telecom advertising agencies worldwide

Ranked by team size
Top 25 of 38,582 company matches for telecom advertising agencies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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 matchNew York, NY, United StatesHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
2Exact matchNew York, United StatesHQ recorded Nov 5, 20265,001-10,0003,822 contacts →

Exact match

“J.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchLondon, NY, United KingdomHQ recorded Nov 5, 20265,001-10,0003,500 contacts →

Exact match

“Hello.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchNew York, United StatesHQ recorded Nov 5, 20265,001-10,0002,800 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 · Nov 5, 2026 · View company records in RevenueBase
5Exact matchNew York, United StatesHQ recorded Nov 5, 20261,001-5,0002,785 contacts →

Exact match

“You can either adapt to change, ignore it or lead it.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchNew York, NY, United StatesHQ recorded Nov 5, 202610001+2,664 contacts →

Exact match

“McCann Worldgroup, part of the Interpublic Group (NYSE: IPG), is the irrefutable leader in the business of creativity.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchNew York, NY, United StatesHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
8Exact matchNew York, NY, United StatesHQ recorded Nov 5, 20265,001-10,0001,655 contacts →

Exact match

“Do Big Things”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchMumbai, IndiaHQ recorded Nov 5, 20261,001-5,0001,606 contacts →

Exact match

“Schbang is a Creative, Media & Technology Transformation Company founded in 2015 by Harshil Karia & , Sohil Karia.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchBaltimore, MD, United StatesHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
11Exact matchMinato-ku, United StatesHQ recorded Nov 5, 20261,001-5,0001,310 contacts →

Exact match

“Founded in 1895, Hakuhodo Inc.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchSão Paulo, BrazilHQ recorded Nov 5, 20261,001-5,0001,047 contacts →

Exact match

“Monks is the global, data-driven, digital-native operating brand of S4 Capital plc.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchMumbai, IndiaHQ recorded Nov 5, 20261,001-5,0001,022 contacts →

Exact match

“Madison World, for the last 36 years has been helping clients solve their marketing challenges and generate sustainable profits.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchSydney, AustraliaHQ recorded Nov 5, 20261,001-5,000933 contacts →

Exact match

“IVE Group is Australia’s largest diversified marketing company.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchCaracas, VenezuelaHQ recorded Nov 5, 20261,001-5,000862 contacts →

Exact match

“Responsable de actividades de Mercadeo, Publicidad, Comunicaciones Corporativas, Calidad y Gestión Comercial de la Red de 122 agencias a Nivel Nacional.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchMumbai, IndiaHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
17Exact matchToronto, ON, CanadaHQ recorded Nov 5, 2026n/a794 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 · Nov 5, 2026 · View company records in RevenueBase
18Exact matchSussex, WI, United StatesHQ recorded Nov 5, 202610001+710 contacts →

Exact match

“Vertis Communications was acquired by Quad/Graphics in January 2013.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchMumbai, IndiaHQ recorded Nov 5, 2026501-1,000707 contacts →

Exact match

“ting is an integrated creative agency established in 2009, built for brands that want strategy, ideas, media and production working as one.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchBrighton And Hove, United KingdomHQ recorded Nov 5, 2026n/a672 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchSao Paulo, BrazilHQ recorded Nov 5, 2026501-1,000651 contacts →

Exact match

“A BETC foi fundada em Paris em 1994 e segue sendo reconhecida como uma das agências mais criativas e premiadas do mundo.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchKansas City, MO, United StatesHQ recorded Nov 5, 2026501-1,000649 contacts →

Exact match

“BarkleyOKRP is one of the largest independent ad agencies in the U.S, matching scale with soul to help build brands like Burger King, Corona Premier, Metro by T-Mobile, Planet…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Nov 5, 2026n/a628 contacts →

Exact match

“Form Worldwide is a London-based global marketing communications agency with a digital edge.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchCape Town, South AfricaHQ recorded Nov 5, 2026501-1,000617 contacts →

Exact match

“In 1948, David Ogilvy founded the agency that would become Ogilvy & Mather.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchMalvern, CA, United StatesHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase

Showing 25 of 38,582 telecom advertising agencies worldwide

See the full list, filter by size, metro and specialty, and access 71,131 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Telecom advertising agencies worldwide at a glance

As of Nov 5, 2026
18.6%Verified-email coverage
9.9Average contacts per company
1-10Median size (employees)
1.2%Largest-city concentration · Sao Paulo
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
22,140
11-50
13,212
51-200
2,259
201-500
497
501-1,000
102
1,001-5,000
75
5,001-10,000
20
10001+
26

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 telecom advertising agencies are linked below.
What qualifies
Company records worldwide whose business descriptions match “telecom advertising agencies” 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 71,131 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 5, 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.

Telecom advertising agencies by location

215 lists · largest first

Every Telecom advertising agencies 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 “telecom advertising agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many telecom advertising agencies are there worldwide?

RevenueBase identified 38,582 company matches for telecom advertising agencies 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?

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

Which country has the most telecom advertising agencies?

The United States leads with 5,727 companies, followed by India (3,878) and Brazil (2,214). Every telecom advertising agencies list by country and city is linked on this page.

Which city has the most telecom advertising agencies?

Sao Paulo leads with 479 company records, followed by London (464) and Mumbai (460).

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 71,131 professional contacts with verified work emails tracked across these 38,582 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 5, 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.