Company lists · Data refreshed November 2026

Top 25 Personalization marketing firms worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 14,025 companies tracked

RevenueBase identified 14,025 company matches for personalization marketing firms worldwide as of November 2026 and tracks 269,287 professional contacts across them, including 82,992 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for personalization 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 November 6, 2026. Country and city lists for personalization 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 Nov 6, 2026 How this list was built

14,025Companies

269,287Contacts tracked

82,992Verified emails

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The 25 largest personalization marketing firms worldwide

Ranked by team size

Top 25 of 14,025 company matches for personalization marketing firms 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Kantar	Exact match	London, United KingdomHQ recorded Nov 6, 2026	10001+	16,459 contacts →
	Exact match “Kantar is the world’s leading marketing data and analytics business.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Epsilon	Exact match	Irving, United StatesHQ recorded Nov 6, 2026	5,001-10,000	10,260 contacts →
	Exact match “Epsilon is a global leader in data and identity with deep expertise in digital media, clean rooms, customer data platforms, loyalty and marketing services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	MONKS	Exact match	London, United KingdomHQ recorded Nov 6, 2026	5,001-10,000	6,339 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
4	Zoominfo	Exact match	Vancouver, MA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	4,262 contacts →
	Exact match “ZoomInfo (NASDAQ: GTM) is the go-to-market platform that helps businesses find, acquire and grow their customers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Acxiom	Exact match	Conway, NY, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,442 contacts →
	Exact match “Acxiom puts data to work, solving complex challenges for the world’s leading brands and agencies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Zeta Global	Exact match	New York, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,122 contacts →
	Exact match “At Zeta Global (NYSE: ZETA), we help enterprise brands and agencies Achieve the Impossible™ with superintelligent marketing.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Klaviyo	Exact match	Boston, MA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,980 contacts →
	Exact match “Klaviyo (NYSE: KVYO) is the autonomous B2C CRM.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Jakala	Exact match	Milan, ItalyHQ recorded Nov 6, 2026	1,001-5,000	2,732 contacts →
	Exact match “We are JAKALA.The leading European player in AI-powered, data-driven performance.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	MRM	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,660 contacts →
	Exact match “MRM is a modern relationship marketing agency that builds enduring brand relationships.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Kinesso	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	5,001-10,000	2,407 contacts →
	Exact match “KINESSO is the technology-driven performance marketing agency within Omnicom Media that provides actionable growth for both agency partners and clients.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	BRAZE	Exact match	New York, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,328 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 · Nov 6, 2026 · View company records in RevenueBase
12	Caci LTD	Exact match	London, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	1,903 contacts →
	Exact match “From our headquarters in London, CACI empowers organisations to make bold, strategic decisions through the intelligent use of data and technology.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Stackadapt	Exact match	Toronto, ON, CanadaHQ recorded Nov 6, 2026	1,001-5,000	1,833 contacts →
	Exact match “StackAdapt is the leading technology company that empowers marketers to reach, engage, and convert audiences with precision.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Sitecore	Exact match	Manchester, NH, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,777 contacts →
	Exact match “Sitecore creates digital experiences so powerful they connect the world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Appsflyer	Exact match	San Francisco, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,583 contacts →
	Exact match “AppsFlyer is the Modern Marketing Cloud that helps businesses transform complex data into clarity and growth.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Localiq	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,550 contacts →
	Exact match “Grow your business with digital marketing powered by AI and local expertise.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Intuit Mailchimp	Exact match	Atlanta, GA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,430 contacts →
	Exact match “The Mailchimpossibilities are endless when you create, automate, and optimize your marketing with Mailchimp.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Hearts & Science	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,278 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 · Nov 6, 2026 · View company records in RevenueBase
19	Dialog Direct	Exact match	Highland Park, TX, United StatesHQ recorded Nov 6, 2026	10001+	1,265 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 · Nov 6, 2026 · View company records in RevenueBase
20	Annalect	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	5,001-10,000	1,173 contacts →
	Exact match “Over a decade ago, Omnicom created Annalect to reimagine the future of marketing, at the crossroads of data, tech, analytics, and AI.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Centerfield	Exact match	Los Angeles, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,168 contacts →
	Exact match “Super-powered customer acquisition.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Data Axle	Exact match	Dallas, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,143 contacts →
	Exact match “Data Axle helps clients create a foundation of clean data, find new leads, develop winning strategies, design beautiful campaigns, and can handle all day-to-day execution needs” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Demandscience	Exact match	Boston, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,108 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 · Nov 6, 2026 · View company records in RevenueBase
24	Moengage	Exact match	San Francisco, CA, United StatesHQ recorded Nov 6, 2026	501-1,000	962 contacts →
	Exact match “MoEngage is an agentic customer engagement platform for the customer-obsessed marketers and product owners.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Verticurl A WPP Company	Exact match	SingaporeHQ recorded Nov 6, 2026	1,001-5,000	932 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 · Nov 6, 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 “personalization 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 14,025 personalization marketing firms worldwide

See the full list, filter by size, metro and specialty, and access 82,992 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Personalization marketing firms worldwide at a glance

As of Nov 6, 2026

30.8%Verified-email coverage

19.2Average contacts per company

1-10Median size (employees)

2.7%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

7,729

11-50

4,377

51-200

1,318

201-500

335

501-1,000

112

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 personalization marketing firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “personalization 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 82,992 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.

Personalization marketing firms by location

101 lists · largest first

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

How many personalization marketing firms are there worldwide?

RevenueBase identified 14,025 company matches for personalization marketing firms 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?

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

Which country has the most personalization marketing firms?

The United States leads with 3,976 companies, followed by India (1,308) and the United Kingdom (837). Every personalization marketing firms list by country and city is linked on this page.

Which city has the most personalization marketing firms?

London leads with 378 company records, followed by New York (268) and Sao Paulo (197).

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 82,992 professional contacts with verified work emails tracked across these 14,025 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.