Company lists · Data refreshed September 2026

Top 25 Digital customer communications agencies worldwide

RevenueBase identified 33,705 digital customer communications agencies worldwide as of September 2026 and tracks 412,498 professional contacts across them, including 103,236 with verified work emails. The United States is the largest market and London the largest hub.

This list covers digital customer communications agencies worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 21, 2026. Country and city lists for digital customer communications agencies follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 21, 2026 86% judged on-target in blind review
33,705Companies
412,498Contacts tracked
103,236Verified emails
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The 25 largest digital customer communications agencies worldwide

Ranked by team size
Top 25 of 33,705 digital customer communications agencies worldwide, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to digital customer communications agencies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceSan Francisco, CA, United StatesHQ checked Sep 21, 202610001+26,919 contacts →

Partial evidence

“At Globant, we create the digitally-native products that people love.”

Source: RevenueBase Database · checked Sep 21, 2026
2Strong evidenceParis, FranceHQ checked Sep 21, 202610001+18,255 contacts →

Strong evidence

“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…”

Source: RevenueBase Database · checked Sep 21, 2026
3Strong evidenceWashington, DC, United StatesHQ checked Sep 21, 202610001+15,457 contacts →

Strong evidence

“ibex delivers innovative business process outsourcing (BPO), smart digital marketing, online acquisition technology, and end-to-end customer engagement solutions to help companies…”

Source: RevenueBase Database · checked Sep 21, 2026
4Strong evidenceSingaporeHQ checked Sep 21, 202610001+13,640 contacts →

Strong evidence

“Singapore-headquartered TDCX provides transformative digital CX solutions, enabling world-leading and disruptive brands to acquire new customers, to build customer loyalty, and to…”

Source: RevenueBase Database · checked Sep 21, 2026
5Partial evidenceSan Francisco, CA, United StatesHQ checked Sep 21, 20265,001-10,0006,047 contacts →

Partial evidence

“Today's leading companies trust Twilio's Customer Engagement Platform (CEP) to build direct, personalized relationships with their customers everywhere in the world.”

Source: RevenueBase Database · checked Sep 21, 2026
6Partial evidenceNorcross, GA, United StatesHQ checked Sep 21, 202610001+4,785 contacts →

Partial evidence

“At Fusion CX, we revolutionize customer experience by blending innovative technology and human connection.”

Source: RevenueBase Database · checked Sep 21, 2026
7Indirect evidenceColumbia, MD, United StatesHQ checked Sep 21, 202610001+4,731 contacts →

Indirect evidence

“Merkle, a dentsu company, powers the experience economy.”

Source: RevenueBase Database · checked Sep 21, 2026
8Indirect evidenceKarachi, PakistanHQ checked Sep 21, 202610001+4,161 contacts →

Indirect evidence

“ibex.”

Source: RevenueBase Database · checked Sep 21, 2026
9Indirect evidenceHerentals, BelgiumHQ checked Sep 21, 20261,001-5,0003,670 contacts →

Indirect evidence

“iO is an AI-native partner in marketing and technology, with experts across 12 campuses in Belgium, the Netherlands, Sweden, Denmark and Bulgaria.”

Source: RevenueBase Database · checked Sep 21, 2026
10Partial evidenceStockholm, SwedenHQ checked Sep 21, 20261,001-5,0002,934 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
11Indirect evidenceBoston, MA, United StatesHQ checked Sep 21, 20261,001-5,0002,789 contacts →

Indirect evidence

“Klaviyo (NYSE: KVYO) is the autonomous B2C CRM.”

Source: RevenueBase Database · checked Sep 21, 2026
12Strong evidenceLevallois-perret, FranceHQ checked Sep 21, 20261,001-5,0002,682 contacts →

Strong evidence

“As leading European customer experience and digital transformation services group, SQLI empowers international brands to generate value through digital innovation.”

Source: RevenueBase Database · checked Sep 21, 2026
13Partial evidenceBoston, MA, United StatesHQ checked Sep 21, 20261,001-5,0002,654 contacts →

Partial evidence

Digitas is the Networked Experience Agency, built on the vision that we create magnetic experiences that earn the right for brands to exist in human networks.”

Source: RevenueBase Database · checked Sep 21, 2026
14Indirect evidenceNew York, NY, United StatesHQ checked Sep 21, 20261,001-5,0002,531 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
15Partial evidenceLondon, United KingdomHQ checked Sep 21, 20265,001-10,0002,366 contacts →

Partial evidence

“iProspect, a dentsu company, is a leading global digital-first media agency.”

Source: RevenueBase Database · checked Sep 21, 2026
16Partial evidenceNew York, NY, United StatesHQ checked Sep 21, 20261,001-5,0002,142 contacts →

Partial evidence

“Braze is the leading customer engagement platform that empowers brands to Be Absolutely Engaging.™ Braze allows any marketer to collect and take action on any amount of data from…”

Source: RevenueBase Database · checked Sep 21, 2026
17Partial evidenceSao Paulo, BrazilHQ checked Sep 21, 20261,001-5,0001,921 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
18Indirect evidenceNew York, NY, United StatesHQ checked Sep 21, 20261,001-5,0001,763 contacts →

Indirect evidence

“Hi there!”

Source: RevenueBase Database · checked Sep 21, 2026
19Partial evidenceBhopal, IndiaHQ checked Sep 21, 20261,001-5,0001,762 contacts →

Partial evidence

“Transforming Customer Experiences Worldwide** At Technotask, we've embarked on a journey of exponential growth and innovation since our inception in March 2020.”

Source: RevenueBase Database · checked Sep 21, 2026
20Partial evidenceScottsdale, AZ, United StatesHQ checked Sep 21, 20261,001-5,0001,638 contacts →

Partial evidence

“Build amazing customer experiences with Nextiva’s AI-powered platform.”

Source: RevenueBase Database · checked Sep 21, 2026
21Partial evidenceFort Mill, SC, United StatesHQ checked Sep 21, 20261,001-5,0001,300 contacts →

Partial evidence

“Mood Media leverages cutting-edge digital technology, curated and original creative content, and design expertise to create personalized, engaging encounters in every guest…”

Source: RevenueBase Database · checked Sep 21, 2026
22Indirect evidenceMunich, GermanyHQ checked Sep 21, 20265,001-10,0001,298 contacts →

Indirect evidence

“Serviceplan Group is the largest independent, partner-led agency group in Europe.”

Source: RevenueBase Database · checked Sep 21, 2026
23Partial evidenceNew York, United StatesHQ checked Sep 21, 20261,001-5,0001,287 contacts →

Partial evidence

“Attentive® knows personalized customer experiences require both powerful technology and the right people behind it.”

Source: RevenueBase Database · checked Sep 21, 2026
24Indirect evidenceCuritiba, BrazilHQ checked Sep 21, 20265,001-10,0001,267 contacts →

Indirect evidence

“Solucionar, humanizar, conectar e personalizar são o que definem a jornada oferecida pela SoftMarketing.”

Source: RevenueBase Database · checked Sep 21, 2026
25Partial evidenceMumbai, IndiaHQ checked Sep 21, 20261,001-5,0001,265 contacts →

Partial evidence

“Netcore offers a Comprehensive Customer Engagement & Experience Suite that empowers marketers to create personalised customer experiences.”

Source: RevenueBase Database · checked Sep 21, 2026

Showing 25 of 33,705 digital customer communications agencies worldwide

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 103,236 reachable decision-makers.

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Digital customer communications agencies worldwide at a glance

As of Sep 21, 2026
25.0%Verified-email coverage
12.2Average contacts per company
1-10Median size (employees)
2.0%Largest-city concentration · London
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
22,070
11-50
9,325
51-200
1,667
201-500
371
501-1,000
93
1,001-5,000
98
5,001-10,000
12
10001+
21

Email recency is reported on each country list linked below.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among digital customer communications agencies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for digital customer communications agencies are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “digital customer communications agencies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names digital customer communications agencies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among digital customer communications agencies, and records with no verified work email.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 103,236 across the full list. 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.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Digital customer communications agencies by location

140 lists · largest first

Every Digital 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 Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names digital customer communications agencies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many digital customer communications agencies are there worldwide?

RevenueBase identified 33,705 digital customer communications agencies worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Globant, headquartered in San Francisco, tops this list with the largest team on record.

Which country has the most digital customer communications agencies?

The United States leads with 3,484 companies, followed by India (2,797) and Brazil (2,306). Every digital customer communications agencies list by country and city is linked on this page.

Which city has the most digital customer communications agencies?

London leads with 677 headquartered companies, followed by Sao Paulo (566) and Paris (453).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 103,236 verified decision-maker contacts tracked across these 33,705 companies.

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 Smart Search, 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.