Company lists · Data refreshed November 2026

Top 25 Marketing integration services worldwide

Name: Marketing integration services worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 26,663 companies tracked

RevenueBase identified 26,663 company matches for marketing integration services worldwide as of November 2026 and tracks 245,530 professional contacts across them, including 57,493 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for marketing integration services 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 marketing integration services 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

26,663Companies

245,530Contacts tracked

57,493Verified emails

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The 25 largest marketing integration services worldwide

Ranked by team size

Top 25 of 26,663 company matches for marketing integration services 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	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
2	Xdbs Worldwide	Exact match	Dubai, United Arab EmiratesHQ recorded Nov 6, 2026	1,001-5,000	3,609 contacts →
	Exact match “At XDBS, we primarily work with media agencies, publishers and marketing companies looking to leverage marketing automation and digital marketing capacity and capability to…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	DEPT	Exact match	Amsterdam, NetherlandsHQ recorded Nov 6, 2026	1,001-5,000	3,470 contacts →
	Exact match “DEPT® is a Growth Invention company built to help the world’s most ambitious brands grow faster.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	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
5	Digitas North America	Exact match	Boston, MA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,860 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Grazitti Interactive	Exact match	Mountain View, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,568 contacts →
	Exact match “Grazitti Interactive is a digital innovation leader with offices in India, USA, Australia, and Singapore.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	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
8	Centro	Exact match	Chicago, WA, United StatesHQ recorded Nov 6, 2026	501-1,000	1,259 contacts →
	Exact match “Basis Technologies is a global provider of workflow automation, intelligence and programmatic trading software for the marketing enterprise.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	CLAY	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	201-500	1,191 contacts →
	Exact match “The creative tool for growth \| Go to market with unique data - and the ability to act on it” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	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
11	Quadcubes	Exact match	Kozhikode, IndiaHQ recorded Nov 6, 2026	n/a	1,056 contacts →
	Exact match “We're not that yet another, ordinary marketing agency!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Archway Marketing Services	Exact match	Maple Grove, MN, United StatesHQ recorded Nov 6, 2026	1,001-5,000	988 contacts →
	Exact match “Archway is the preferred partner in marketing execution for well-known brands.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	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
14	WEBFX	Exact match	Harrisburg, PA, United StatesHQ recorded Nov 6, 2026	501-1,000	906 contacts →
	Exact match “We're here to be your digital marketing growth partner in the AI era.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Mediaplus Group	Exact match	Munich, GermanyHQ recorded Nov 6, 2026	1,001-5,000	872 contacts →
	Exact match “Mediaplus is one of Europe’s largest independent, partner-owned media agencies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Activecampaign	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	1,001-5,000	867 contacts →
	Exact match “ActiveCampaign is the AI-first autonomous marketing platform built to transform how marketers, agencies, and entrepreneurs work.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	SEO Discovery Private Limited	Exact match	Mohali, IndiaHQ recorded Nov 6, 2026	201-500	802 contacts →
	Exact match “SEO Discovery is a global leader in next-generation digital marketing services, solutions, and consulting.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Interactive Avenues	Exact match	Mumbai, IndiaHQ recorded Nov 6, 2026	501-1,000	785 contacts →
	Exact match “Interactive Avenues is India’s leading full-service digital marketing company with offices in Mumbai (headquarters), Gurugram, Bengaluru, Chennai and Kolkata.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	MBS	Exact match	Melville, CA, United StatesHQ recorded Nov 6, 2026	n/a	781 contacts →
	Exact match “As the leading provider of agile marketing solutions for multichannel marketers on a national and global scale, MBS partners with retailers and others to manage the avalanche of…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Digitas UK	Exact match	London, MA, United KingdomHQ recorded Nov 6, 2026	501-1,000	766 contacts →
	Exact match “We are Digitas.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Anteriad	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	501-1,000	757 contacts →
	Exact match “Data Driven.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Cadastra	Exact match	São Paulo, BrazilHQ recorded Nov 6, 2026	501-1,000	744 contacts →
	Exact match “We are a global company that blends digital marketing services, consulting and technology.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	SCI	Exact match	Miami, FL, United StatesHQ recorded Nov 6, 2026	501-1,000	717 contacts →
	Exact match “SCI was merged and sold to WPP in 2010.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Vertis Communications	Exact match	Sussex, WI, United StatesHQ recorded Nov 6, 2026	10001+	710 contacts →
	Exact match “Vertis Communications was acquired by Quad/Graphics in January 2013.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Linney	Exact match	Mansfield, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	689 contacts →
	Exact match “We’re Linney, a connected marketing partner helping brands turn complexity into clarity across digital, physical and ecommerce channels.” 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 “marketing integration services”. 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 26,663 marketing integration services worldwide

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Marketing integration services worldwide at a glance

As of Nov 6, 2026

23.4%Verified-email coverage

9.2Average contacts per company

1-10Median size (employees)

1.7%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

17,650

11-50

7,142

51-200

1,298

201-500

293

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 marketing integration services are linked below.
What qualifies: Company records worldwide whose business descriptions match “marketing integration services” 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 57,493 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.

Marketing integration services by location

146 lists · largest first

Every Marketing integration services 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 “marketing integration services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many marketing integration services are there worldwide?

RevenueBase identified 26,663 company matches for marketing integration services 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?

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

Which country has the most marketing integration services?

The United States leads with 5,782 companies, followed by India (3,002) and the United Kingdom (1,277). Every marketing integration services list by country and city is linked on this page.

Which city has the most marketing integration services?

London leads with 460 company records, followed by Sao Paulo (299) and Bangalore (261).

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 57,493 professional contacts with verified work emails tracked across these 26,663 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.