Company lists · Data refreshed September 2026

Top 25 Customer engagement marketing firms worldwide

Name: Customer engagement marketing firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 42,959 companies tracked

RevenueBase identified 42,959 company matches for customer engagement marketing firms worldwide as of September 2026 and tracks 396,498 professional contacts across them, including 86,085 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for customer engagement marketing firms 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 19, 2026. Country and city lists for customer engagement marketing firms 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 19, 2026 How this list was built

42,959Companies

396,498Contacts tracked

86,085Verified emails

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The 25 largest customer engagement marketing firms worldwide

Ranked by team size

Top 25 of 42,959 company matches for customer engagement marketing firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 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	QUAD	Exact match	Sussex, WI, United StatesHQ recorded Sep 19, 2026	10001+	9,567 contacts →
	Exact match “Quad (NYSE: QUAD) is a global marketing experience company that helps brands make direct consumer connections, from household to in-store to online.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2	V4 Company	Exact match	Campinas, BrazilHQ recorded Sep 19, 2026	1,001-5,000	5,079 contacts →
	Exact match “Somos uma assessoria de marketing focada em construir e otimizar o processo de vendas através da internet conectando pessoas que geram resultados com empresas que buscam vender…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3	Merkle	Exact match	Columbia, MD, United StatesHQ recorded Sep 19, 2026	10001+	4,731 contacts →
	Exact match “Merkle, a dentsu company, powers the experience economy.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4	Ibex. Pakistan	Exact match	Karachi, PakistanHQ recorded Sep 19, 2026	10001+	4,161 contacts →
	Exact match “ibex.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5	Mosaic North America	Exact match	Toronto, ON, CanadaHQ recorded Sep 19, 2026	5,001-10,000	3,014 contacts →
	Exact match “At Mosaic, we change the way people experience brands and make moments that stick.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6	Dunnhumby	Exact match	Brook Green, United StatesHQ recorded Sep 19, 2026	1,001-5,000	2,857 contacts →
	Exact match “dunnhumby helps businesses grow through faster, better decision making, as the essential intelligence layer connecting the world’s leading retailers and brands.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7	MRM	Exact match	New York, NY, United StatesHQ recorded Sep 19, 2026	1,001-5,000	2,627 contacts →
	Exact match “MRM is a modern relationship marketing agency that builds enduring brand relationships.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8	Marketing Werks	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	n/a	2,182 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 · Sep 19, 2026 · View company records in RevenueBase
9	BRAZE	Exact match	New York, NY, United StatesHQ recorded Sep 19, 2026	1,001-5,000	2,142 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10	Actionline	Exact match	Sao Paulo, BrazilHQ recorded Sep 19, 2026	1,001-5,000	1,921 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 · Sep 19, 2026 · View company records in RevenueBase
11	BI Worldwide	Exact match	Minneapolis, MN, United StatesHQ recorded Sep 19, 2026	1,001-5,000	1,905 contacts →
	Exact match “BI WORLDWIDE is a global engagement agency that uses the principles of behavioral economics to produce measurable business results by designing and delivering solutions that…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12	Razorfish	Exact match	New York, NY, United StatesHQ recorded Sep 19, 2026	1,001-5,000	1,763 contacts →
	Exact match “Hi there!” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13	Constant Contact	Exact match	Waltham, MA, United StatesHQ recorded Sep 19, 2026	1,001-5,000	1,611 contacts →
	Exact match “We deliver for small businesses with powerful tools to simplify and amplify digital marketing.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14	Power Digital Marketing	Exact match	San Diego, CA, United StatesHQ recorded Sep 19, 2026	501-1,000	1,570 contacts →
	Exact match “Power Digital is a growth marketing firm fueled by technology and driven by a talented team of consultative marketers, creatives, analysts and technologists.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15	Localiq	Exact match	New York, NY, United StatesHQ recorded Sep 19, 2026	1,001-5,000	1,534 contacts →
	Exact match “Grow your business with digital marketing powered by AI and local expertise.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16	BRM S.A.S	Exact match	Bogotá, ColombiaHQ recorded Sep 19, 2026	1,001-5,000	1,363 contacts →
	Exact match “Las conexiones más poderosas surgen de interacciones sencillas que marcan la diferencia.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17	Hearts & Science	Exact match	New York, NY, United StatesHQ recorded Sep 19, 2026	1,001-5,000	1,359 contacts →
	Exact match “Hearts & Science, an Omnicom Media Group agency, transforms data signals into meaningful connections between brands and consumers that drive exponential growth.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18	Birdeye	Exact match	Palo Alto, CA, United StatesHQ recorded Sep 19, 2026	1,001-5,000	1,343 contacts →
	Exact match “Birdeye is the #1 Agentic Marketing Platform for Multi-location Brands, purpose-built for multi-location brands.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19	Concilig	Exact match	Bauru, BrazilHQ recorded Sep 19, 2026	5,001-10,000	1,279 contacts →
	Exact match “A Concilig construiu uma reputação inquestionável com grandes empresas brasileiras por ser embasada por muita tecnologia e por eficácia na prestação de serviços que oferece.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20	Netcore	Exact match	Mumbai, IndiaHQ recorded Sep 19, 2026	1,001-5,000	1,265 contacts →
	Exact match “Netcore offers a Comprehensive Customer Engagement & Experience Suite that empowers marketers to create personalised customer experiences.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21	Verticurl A WPP Company	Exact match	SingaporeHQ recorded Sep 19, 2026	1,001-5,000	1,256 contacts →
	Exact match “Verticurl, a division of Ogilvy, was established in 2006 with the mission to be the world’s leading marketing technology services agency for multinational organizations.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22	MCI	Exact match	Geneva, United KingdomHQ recorded Sep 19, 2026	1,001-5,000	1,229 contacts →
	Exact match “The power of people united in purpose is unstoppable.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23	Dialog Direct	Exact match	Highland Park, MI, United StatesHQ recorded Sep 19, 2026	10001+	1,138 contacts →
	Exact match “Dialog Direct helps brands manage and personalize their multichannel, multi-touch customer journeys using data-driven marketing and customer engagement solutions.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24	Demandscience	Exact match	Boston, United StatesHQ recorded Sep 19, 2026	1,001-5,000	1,087 contacts →
	Exact match “With proprietary data and omni-channel activation like events, content, programmatic and chat, we cut through the noise to reach entire buyer groups, driving engagement and impact…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25	Insider	Exact match	Istanbul, TürkiyeHQ recorded Sep 19, 2026	1,001-5,000	1,036 contacts →
	Exact match “Insider-one platform for individualized, cross-channel experiences-enables enterprise marketers to connect customer data across channels and systems, predict their future behavior…” Recorded in the RevenueBase company graph · Sep 19, 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 “customer engagement marketing firms”. 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 42,959 customer engagement marketing firms worldwide

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Customer engagement marketing firms worldwide at a glance

As of Sep 19, 2026

21.7%Verified-email coverage

9.2Average contacts per company

1-10Median size (employees)

2.2%Largest-city concentration · London

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

28,960

11-50

11,034

51-200

2,117

201-500

503

501-1,000

140

1,001-5,000

123

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 customer engagement marketing firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “customer engagement marketing firms” 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 86,085 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 19, 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 engagement marketing firms by location

166 lists · largest first

Every Customer engagement marketing firms 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 engagement marketing firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many customer engagement marketing firms are there worldwide?

RevenueBase identified 42,959 company matches for customer engagement marketing firms 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?

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

Which country has the most customer engagement marketing firms?

The United States leads with 11,199 companies, followed by India (4,305) and the United Kingdom (2,570). Every customer engagement marketing firms list by country and city is linked on this page.

Which city has the most customer engagement marketing firms?

London leads with 925 company records, followed by New York (539) and Sao Paulo (466).

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 86,085 professional contacts with verified work emails tracked across these 42,959 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 19, 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.