Company lists · Data refreshed November 2026

Top 25 Customer communications agencies worldwide

RevenueBase identified 26,529 company matches for customer communications agencies worldwide as of November 2026 and tracks 519,430 professional contacts across them, including 92,802 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for customer communications 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 6, 2026. Country and city lists for customer communications 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 6, 2026 How this list was built
26,529Companies
519,430Contacts tracked
92,802Verified emails
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The 25 largest customer communications agencies worldwide

Ranked by team size
Top 25 of 26,529 company matches for customer communications agencies 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 matchIrvine, CA, United StatesHQ recorded Nov 6, 202610001+56,404 contacts →

Exact match

“We’re passionate about creating customers for life by designing experiences that elevate your brand.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchParis, FranceHQ recorded Nov 6, 202610001+20,192 contacts →

Exact match

“Founded in 1926 by Marcel Bleustein-Blanchet, today Publicis Groupe is one of the largest communications groups in the world and a leader in marketing, communication, and digital…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchWinnipeg, MB, CanadaHQ recorded Nov 6, 202610001+10,812 contacts →

Exact match

“We are IntouchCX, where innovation meets industry, where dreamers meet doers, and where scale meets soul.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchNoida, IndiaHQ recorded Nov 6, 202610001+7,713 contacts →

Exact match

“We are an end-to-end Customer Experience (CX) solutions provider offering omni-channel solutions along various customer interaction touch-points from customer sales and support…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchPlantation, United StatesHQ recorded Nov 6, 202610001+6,919 contacts →

Exact match

“Everise delivers happiness to millions of customers around the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchBeyoglu, TürkiyeHQ recorded Nov 6, 202610001+6,889 contacts →

Exact match

“Bir Turkcell grup şirketi olarak yılında kurulduğumuzda amacımız hep eşsiz bir müşteri deneyimi yaşatmaktı.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchBloomington, United StatesHQ recorded Nov 6, 202610001+6,716 contacts →

Exact match

“When people reach for their phones, use laptops, or grab their tablets, Afni's contact center teams are there to provide prompt and friendly help.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Nov 6, 20265,001-10,0006,339 contacts →

Exact match

“Monks combines an extraordinary range of global marketing and technology services to accelerate business possibilities and redefine how brands and businesses interact with the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchBauru, BrazilHQ recorded Nov 6, 202610001+4,738 contacts →

Exact match

“Somos um ecossistema de soluções em outsourcing, especialistas em cobrança e atendimento.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchKarachi, PakistanHQ recorded Nov 6, 202610001+4,555 contacts →

Exact match

“ibex.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchChelmsford, MA, United StatesHQ recorded Nov 6, 20261,001-5,0004,400 contacts →

Exact match

“We are The Customer Company®, a global leader in Customer Experience (CX), Omnichannel Marketing, Data Services, Customer Care, Fulfillment, and Logistics.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchTaytay, PhilippinesHQ recorded Nov 6, 20265,001-10,0003,611 contacts →

Exact match

“In the Philippines, Quantrics by NQX is redefining customer experience by bringing together the expertise of a global leader and the passion of world-class Filipino talent.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchSao Paulo, BrazilHQ recorded Nov 6, 202610001+3,349 contacts →

Exact match

“Com uma vontade contagiante de fazer a diferença, a Contax é a única empresa do setor presente em toda a jornada de relacionamento do consumidor, com olhar humano e abordagem…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchStockholm, SwedenHQ recorded Nov 6, 20261,001-5,0003,132 contacts →

Exact match

“Sinch’s vision is to connect every business with every customer, everywhere in the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchPlano, United StatesHQ recorded Nov 6, 20261,001-5,0002,744 contacts →

Exact match

“At Diversified, we leverage the best in technology and ongoing advisory services to transform businesses.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchNew York, NY, United StatesHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
17Exact matchChicago, IL, United StatesHQ recorded Nov 6, 2026n/a2,265 contacts →

Exact match

“Marketing Werks has become Product Connections, a fully integrated engagement agency specializing in omnichannel solutions that build relationships between brands and consumers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchSao Paulo, BrazilHQ recorded Nov 6, 20261,001-5,0002,234 contacts →

Exact match

“Actionline is dedicated to connecting brands with their customers, strengthening their presence and value at every touchpoint.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchMakati City, PhilippinesHQ recorded Nov 6, 202610001+2,182 contacts →

Exact match

“Sitel Philippines (formerly SYKES).”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchWaco, United StatesHQ recorded Nov 6, 20265,001-10,0002,055 contacts →

Exact match

“Support Services Group (SSG) helps businesses accelerate growth and earn customers for life through high-touch, outsourced engagement center services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Nov 6, 2026n/a1,989 contacts →

Exact match

“Marketizon is the leader in developing innovative, multi-channel marketing technologies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchAkron, OH, United StatesHQ recorded Nov 6, 20261,001-5,0001,947 contacts →

Exact match

“InfoCision is an award-winning contact center partner trusted by leading brands for over 40 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchHampton, VA, United StatesHQ recorded Nov 6, 20261,001-5,0001,871 contacts →

Exact match

“Faneuil is now part of Continuum Global Solutions This exciting evolution marks a significant step in our commitment to delivering unmatched customer care and transforming digital…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchMontevideo, UruguayHQ recorded Nov 6, 2026n/a1,851 contacts →

Exact match

“Improfit es una agencia de comunicación corporativa y organizacional fundada en en Montevideo, Uruguay.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchBogotá, ColombiaHQ recorded Nov 6, 20261,001-5,0001,667 contacts →

Exact match

“Las conexiones más poderosas surgen de interacciones sencillas que marcan la diferencia.”

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

Showing 25 of 26,529 customer communications agencies worldwide

See the full list, filter by size, metro and specialty, and access 92,802 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Customer communications agencies worldwide at a glance

As of Nov 6, 2026
17.9%Verified-email coverage
19.6Average contacts per company
1-10Median size (employees)
2.3%Largest-city concentration · Sao Paulo
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
15,689
11-50
7,970
51-200
1,899
201-500
484
501-1,000
157
1,001-5,000
152
5,001-10,000
22
10001+
40

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 customer communications agencies are linked below.
What qualifies
Company records worldwide whose business descriptions match “customer communications 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 92,802 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.

Customer communications agencies by location

164 lists · largest first

Every Customer communications 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 “customer communications agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many customer communications agencies are there worldwide?

RevenueBase identified 26,529 company matches for customer communications 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?

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

Which country has the most customer communications agencies?

The United States leads with 4,760 companies, followed by Brazil (2,171) and the United Kingdom (1,477). Every customer communications agencies list by country and city is linked on this page.

Which city has the most customer communications agencies?

Sao Paulo leads with 607 company records, followed by London (487) and Paris (266).

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 92,802 professional contacts with verified work emails tracked across these 26,529 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.