Company lists · Data refreshed September 2026

Top 25 Customer retention agencies worldwide

Name: Customer retention agencies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 11,926 companies tracked

RevenueBase identified 11,926 company matches for customer retention agencies worldwide as of September 2026 and tracks 120,843 professional contacts across them, including 28,520 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for customer retention 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 September 19, 2026. Country and city lists for customer retention 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 Sep 19, 2026 How this list was built

11,926Companies

120,843Contacts tracked

28,520Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest customer retention agencies worldwide

Ranked by team size

Top 25 of 11,926 company matches for customer retention agencies 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	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
2	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
3	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
4	EXL Services LTD	Exact match	n/a	n/a	1,373 contacts →
	Exact match “Established in 1994, we provide a blend of business strategy, marketing services, behavioural change and executive coaching services and techniques to help grow the business of…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5	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
6	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
7	IKÉ Asistencia	Exact match	MexicoHQ recorded Sep 19, 2026	1,001-5,000	1,023 contacts →
	Exact match “En iké todos los días brindamos soluciones de personas hacia personas alrededor del mundo, aumentando la oferta de empresas que preocupadas por brindar respaldo, seguridad y…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8	TLC Worldwide	Exact match	London, United KingdomHQ recorded Sep 19, 2026	201-500	979 contacts →
	Exact match “TLC Worldwide is a global leader in customer engagement, loyalty, and reward solutions.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9	SEM	Exact match	Sariyer, TürkiyeHQ recorded Sep 19, 2026	n/a	883 contacts →
	Exact match “SEM is a global new generation consumer marketing and technologies brand where we combine growth consultancy, advanced analytics, digital marketing and technology services under…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10	ITA Group, INC	Exact match	West Des Moines, IA, United StatesHQ recorded Sep 19, 2026	501-1,000	868 contacts →
	Exact match “ITA Group helps leading brands around the world take action with confidence, resulting in increased sales, purchases, retention, referrals and alignment.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11	Madison Digital Experience Marketing	Exact match	Madrid, SpainHQ recorded Sep 19, 2026	1,001-5,000	741 contacts →
	Exact match “En MADISON MK prestamos servicios comerciales y de marketing para todas las fases del ciclo de vida del consumidor, acompañando a las marcas para definir la estrategia y acciones…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12	TCC Global	Exact match	Amsterdam, GermanyHQ recorded Sep 19, 2026	501-1,000	740 contacts →
	Exact match “At TCC we believe value creation is everything.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13	CXG	Exact match	Dubai, United Arab EmiratesHQ recorded Sep 19, 2026	201-500	612 contacts →
	Exact match “CXG provides innovative solutions to enhance customer experience and improve the performance of premium and luxury brands.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14	Bond Brand Loyalty	Exact match	Toronto, ON, CanadaHQ recorded Sep 19, 2026	501-1,000	610 contacts →
	Exact match “Bond is the customer-intelligence driven engagement company.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15	Vertis Communications	Exact match	Sussex, WI, United StatesHQ recorded Sep 19, 2026	10001+	605 contacts →
	Exact match “Vertis Communications was acquired by Quad/Graphics in January 2013.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16	Affinion Group	Exact match	Stamford, CT, United StatesHQ recorded Sep 19, 2026	1,001-5,000	597 contacts →
	Exact match “Affinion enables companies to connect and engage with their customers, creating rewarding relationships and enhancing brand loyalty.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17	Belltech	Exact match	Las Condes, ChileHQ recorded Sep 19, 2026	201-500	579 contacts →
	Exact match “Belltech te ayuda a entender el comportamiento de tus clientes impulsado por una estrategia basada en los datos, para poder entregar experiencias que sean personalizadas…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18	Marketdata	Exact match	Sao Paulo, BrazilHQ recorded Sep 19, 2026	201-500	547 contacts →
	Exact match “A Marketdata é uma das mais completas empresas de marketing de relacionamento do mercado latino-americano.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19	Logic, Part Of Accenture	Exact match	Bloomington, MN, United StatesHQ recorded Sep 19, 2026	1,001-5,000	496 contacts →
	Exact match “Logic works with the world’s leading retailers to help them move faster, innovate smarter, and thrive in the face of retail disruption.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20	YES Marketing	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	201-500	483 contacts →
	Exact match “Yes Marketing focuses on enabling marketers to engage, acquire and retain consumers along each stage of the consumer journey with a brand – from awareness through consideration…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21	Sg360	Exact match	Wheeling, IL, United StatesHQ recorded Sep 19, 2026	501-1,000	477 contacts →
	Exact match “sg360° can help you identify and connect with your best prospects 1:1, both offline and on.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22	Infogroup	Exact match	Dallas, TX, United StatesHQ recorded Sep 19, 2026	1,001-5,000	476 contacts →
	Exact match “Infogroup is a big data, analytics, and marketing services provider that delivers best in class data-driven customer-centric technology solutions.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23	Numberly	Exact match	Paris, FranceHQ recorded Sep 19, 2026	501-1,000	474 contacts →
	Exact match “Numberly, Marketing Technologist, is a major player in the field of data marketing.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24	Hansa Cequity	Exact match	Kurla (w), IndiaHQ recorded Sep 19, 2026	201-500	415 contacts →
	Exact match “Hansa Cequity is a data-driven, technology-enabled marketing consulting company.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25	Loylty Rewardz	Exact match	Mumbai, IndiaHQ recorded Sep 19, 2026	501-1,000	372 contacts →
	Exact match “Loylty Rewardz Mngt.” 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 retention agencies”. 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 11,926 customer retention agencies worldwide

See the full list, filter by size, metro and specialty, and access 28,520 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Customer retention agencies worldwide at a glance

As of Sep 19, 2026

23.6%Verified-email coverage

10.1Average contacts per company

1-10Median size (employees)

2.2%Largest-city concentration · London

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

8,022

11-50

2,956

51-200

661

201-500

176

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 customer retention agencies are linked below.
What qualifies: Company records worldwide whose business descriptions match “customer retention 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 28,520 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 retention agencies by location

69 lists · largest first

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

How many customer retention agencies are there worldwide?

RevenueBase identified 11,926 company matches for customer retention agencies 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?

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

Which country has the most customer retention agencies?

The United States leads with 3,648 companies, followed by the United Kingdom (764) and Brazil (555). Every customer retention agencies list by country and city is linked on this page.

Which city has the most customer retention agencies?

London leads with 258 company records, followed by Sao Paulo (180) and New York (146).

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 28,520 professional contacts with verified work emails tracked across these 11,926 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.

Ready to reach these companies? Verified emails and direct dials for all 11,926 customer retention agencies worldwide. Start with a free account, no credit card.

Download this list →

Related lists

Browse the directory

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.