Company lists · Data refreshed November 2026

Top 25 Online marketing systems worldwide

Name: Online marketing systems worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 36,480 companies tracked

RevenueBase identified 36,480 company matches for online marketing systems worldwide as of November 2026 and tracks 328,018 professional contacts across them, including 78,633 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for online marketing systems 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 online marketing systems 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

36,480Companies

328,018Contacts tracked

78,633Verified emails

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The 25 largest online marketing systems worldwide

Ranked by team size

Top 25 of 36,480 company matches for online marketing systems 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	Hubspot	Exact match	Cambridge, United StatesHQ recorded Nov 6, 2026	5,001-10,000	11,646 contacts →
	Exact match “HubSpot is a leading agentic customer platform that provides software and support to help businesses grow better.” 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	HIBU	Exact match	Cedar Rapids, IA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	4,702 contacts →
	Exact match “Hibu is a leading provider of technology-driven, integrated digital marketing solutions for America’s local businesses, trusted by tens of thousands of local business owners.” 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	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
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	DEXYP	Exact match	Dallas, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,922 contacts →
	Exact match “2019 Thryv, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Best Version Media	Exact match	Brookfield, WI, United StatesHQ recorded Nov 6, 2026	n/a	2,470 contacts →
	Exact match “Best Version Media simplifies local marketing by offering small and midsize businesses a complete mix of solutions to keep them top-of-mind, from community magazine ads to digital…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	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
10	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
11	Constant Contact	Exact match	Waltham, MA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,716 contacts →
	Exact match “We deliver for small businesses with powerful tools to simplify and amplify digital marketing.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Optimizely	Exact match	New York, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,642 contacts →
	Exact match “Optimizely is the AI platform for marketing, built for the experience-makers who shape how brands show up in the world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	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
14	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
15	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
16	YELL	Exact match	Reading, United KingdomHQ recorded Nov 6, 2026	501-1,000	1,353 contacts →
	Exact match “Since 1966, we’ve been helping UK businesses grow – from printed ads in the Yellow Pages to powerful, AI-driven digital marketing that delivers real results.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	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
18	Scorpion	Exact match	Draper, UT, United StatesHQ recorded Nov 6, 2026	501-1,000	1,186 contacts →
	Exact match “Scorpion is the leader in helping local businesses succeed by focusing on what truly matters-driving revenue.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	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
20	Mediaocean	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,111 contacts →
	Exact match “Mediaocean is powering the future of the advertising ecosystem with technology that empowers brands and agencies to deliver impactful omnichannel marketing experiences.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	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
22	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
23	SEM	Exact match	Sariyer, TürkiyeHQ recorded Nov 6, 2026	n/a	930 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 · Nov 6, 2026 · View company records in RevenueBase
24	Netcore	Exact match	Mumbai, IndiaHQ recorded Nov 6, 2026	1,001-5,000	928 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 · Nov 6, 2026 · View company records in RevenueBase
25	Logical Position	Exact match	Lake Oswego, NC, United StatesHQ recorded Nov 6, 2026	501-1,000	907 contacts →
	Exact match “Logical Position (LP) is an Inc.” 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 “online marketing systems”. 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 36,480 online marketing systems worldwide

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Online marketing systems worldwide at a glance

As of Nov 6, 2026

24.0%Verified-email coverage

9.0Average contacts per company

1-10Median size (employees)

1.5%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

23,738

11-50

9,819

51-200

2,005

201-500

480

501-1,000

145

1,001-5,000

113

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 online marketing systems are linked below.
What qualifies: Company records worldwide whose business descriptions match “online marketing systems” 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 78,633 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.

Online marketing systems by location

176 lists · largest first

Every Online marketing systems 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 “online marketing systems”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many online marketing systems are there worldwide?

RevenueBase identified 36,480 company matches for online marketing systems 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?

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

Which country has the most online marketing systems?

The United States leads with 7,786 companies, followed by India (5,416) and the United Kingdom (1,680). Every online marketing systems list by country and city is linked on this page.

Which city has the most online marketing systems?

London leads with 565 company records, followed by New Delhi (395) and Pune (392).

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 78,633 professional contacts with verified work emails tracked across these 36,480 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.