Company lists · Data refreshed September 2026

Top 25 Multi-channel marketing platforms based in the United States

Name: Multi-channel marketing platforms based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 5, 2026 1,944 companies tracked

RevenueBase identified 1,944 multi-channel marketing platforms headquartered in the United States as of September 2026 and tracks 69,868 professional contacts across them, including 27,411 with verified work emails and 21,651 with mobile numbers. New York is the largest hub.

This list covers multi-channel marketing platforms headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 5, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 5, 2026 86% judged on-target in blind review

1,944Companies

69,868Contacts tracked

27,411Verified emails

21,651Mobile numbers

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The 25 largest multi-channel marketing platforms based in the United States

Ranked by team size

Top 25 of 1,944 multi-channel marketing platforms based in the United States, ranked by team size, largest first. Data refreshed Sep 5, 2026. RevenueBase Smart Search rates how each company's information relates to multi-channel marketing platforms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Hubspot	Partial evidence	Cambridge, MA, United StatesHQ checked Sep 5, 2026	5,001-10,000	11,077 contacts →
	Partial evidence “HubSpot is a leading agentic customer platform that provides software and support to help businesses grow better.” Source: RevenueBase Database · checked Sep 5, 2026
2	Epsilon	Strong evidence	Irving, TX, United StatesHQ checked Sep 5, 2026	5,001-10,000	9,953 contacts →
	Strong evidence “Epsilon is a global leader in data and identity with deep expertise in digital media, clean rooms, customer data platforms, loyalty and marketing services.” Source: RevenueBase Database · checked Sep 5, 2026
3	HIBU	Partial evidence	Cedar Rapids, IA, United StatesHQ checked Sep 5, 2026	1,001-5,000	4,426 contacts →
	Partial evidence “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.” Source: RevenueBase Database · checked Sep 5, 2026
4	BRAZE	Partial evidence	New York, NY, United StatesHQ checked Sep 5, 2026	1,001-5,000	2,142 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 5, 2026
5	Constant Contact	Partial evidence	Waltham, MA, United StatesHQ checked Sep 5, 2026	1,001-5,000	1,611 contacts →
	Partial evidence “We deliver for small businesses with powerful tools to simplify and amplify digital marketing.” Source: RevenueBase Database · checked Sep 5, 2026
6	Intuit Mailchimp	Partial evidence	Atlanta, GA, United StatesHQ checked Sep 5, 2026	1,001-5,000	1,483 contacts →
	Partial evidence “The Mailchimpossibilities are endless when you create, automate, and optimize your marketing with Mailchimp.” Source: RevenueBase Database · checked Sep 5, 2026
7	Centro	Partial evidence	Chicago, IL, United StatesHQ checked Sep 5, 2026	501-1,000	1,178 contacts →
	Partial evidence “Basis Technologies is a global provider of workflow automation, intelligence and programmatic trading software for the marketing enterprise.” Source: RevenueBase Database · checked Sep 5, 2026
8	Demandscience	Partial evidence	Boston, United StatesHQ checked Sep 5, 2026	1,001-5,000	1,087 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 5, 2026
9	Centerfield	Indirect evidence	Los Angeles, CA, United StatesHQ checked Sep 5, 2026	1,001-5,000	1,063 contacts →
	Indirect evidence “Super-powered customer acquisition.” Source: RevenueBase Database · checked Sep 5, 2026
10	Mediaocean	Partial evidence	New York, NY, United StatesHQ checked Sep 5, 2026	1,001-5,000	1,050 contacts →
	Partial evidence “Mediaocean is powering the future of the advertising ecosystem with technology that empowers brands and agencies to deliver impactful omnichannel marketing experiences.” Source: RevenueBase Database · checked Sep 5, 2026
11	Activecampaign	Strong evidence	Chicago, IL, United StatesHQ checked Sep 5, 2026	1,001-5,000	863 contacts →
	Strong evidence “ActiveCampaign is the AI-first autonomous marketing platform built to transform how marketers, agencies, and entrepreneurs work.” Source: RevenueBase Database · checked Sep 5, 2026
12	Marigold	Partial evidence	Nashville, TN, United StatesHQ checked Sep 5, 2026	201-500	820 contacts →
	Partial evidence “Marigold is a global marketing technology company focused on delivering relationship marketing solutions for growing organizations.” Source: RevenueBase Database · checked Sep 5, 2026
13	Khoros	Partial evidence	Austin, TX, United StatesHQ checked Sep 5, 2026	501-1,000	763 contacts →
	Partial evidence “Khoros' award-winning enterprise software makes it easier for complex brands to engage with customers at scale across digital, social, and brand-owned channels.” Source: RevenueBase Database · checked Sep 5, 2026
14	simpli.fi	Partial evidence	Fort Worth, TX, United StatesHQ checked Sep 5, 2026	501-1,000	680 contacts →
	Partial evidence “Simpli.fi is a real-world media platform that connects digital intent with physical movement, helping brands reach audiences in the right place, at the right moment, to drive…” Source: RevenueBase Database · checked Sep 5, 2026
15	Movable INK	Indirect evidence	New York, NY, United StatesHQ checked Sep 5, 2026	501-1,000	672 contacts →
	Indirect evidence “Movable Ink helps marketers create more relevant customer experiences across email, mobile, and web through data activation, AI-powered decisioning, and personalization at scale.” Source: RevenueBase Database · checked Sep 5, 2026
16	Vertis Communications	Indirect evidence	Sussex, WI, United StatesHQ checked Sep 5, 2026	10001+	605 contacts →
	Indirect evidence “Vertis Communications was acquired by Quad/Graphics in January 2013.” Source: RevenueBase Database · checked Sep 5, 2026
17	Optimove	Partial evidence	New York, NY, United StatesHQ checked Sep 5, 2026	501-1,000	588 contacts →
	Partial evidence “Optimove, the creator of Positionless Marketing, frees marketing teams from the limitations of fixed roles, giving every marketer the power to execute any marketing task instantly…” Source: RevenueBase Database · checked Sep 5, 2026
18	Adobe Marketo	Partial evidence	San Jose, CA, United StatesHQ checked Sep 5, 2026	1,001-5,000	572 contacts →
	Partial evidence “Adobe Marketo Engage offers the leading Engagement Platform that empowers marketers to build brand value, grow revenue, and prove impact.” Source: RevenueBase Database · checked Sep 5, 2026
19	SKAI	Partial evidence	San Francisco, CA, United StatesHQ checked Sep 5, 2026	501-1,000	551 contacts →
	Partial evidence “Skai is the leading omnichannel platform for commerce media, enabling brands and agencies to connect data, insights, and execution across the world’s largest publishers and…” Source: RevenueBase Database · checked Sep 5, 2026
20	Acoustic	Indirect evidence	Conway, AR, United StatesHQ checked Sep 5, 2026	501-1,000	539 contacts →
	Indirect evidence “Acoustic, L.P.” Source: RevenueBase Database · checked Sep 5, 2026
21	Quartile	Partial evidence	New York, NY, United StatesHQ checked Sep 5, 2026	201-500	468 contacts →
	Partial evidence “Quartile, the world's largest retail media optimization platform, is a trusted partner for multichannel e-commerce success.” Source: RevenueBase Database · checked Sep 5, 2026
22	Madwire	Partial evidence	Fort Collins, CO, United StatesHQ checked Sep 5, 2026	501-1,000	404 contacts →
	Partial evidence “Madwire® is a technology company that provides business management and marketing software and services for SMBs and franchises.” Source: RevenueBase Database · checked Sep 5, 2026
23	HCL Unica	Partial evidence	Sunnyvale, CA, United StatesHQ checked Sep 5, 2026	10001+	381 contacts →
	Partial evidence “Collaborate, innovate and drive the business forward with HCLSoftware's Digital Transformation marketing software solution.” Source: RevenueBase Database · checked Sep 5, 2026
24	Hightouch	Strong evidence	San Francisco, CA, United StatesHQ checked Sep 5, 2026	201-500	358 contacts →
	Strong evidence “Hightouch is an Agentic Marketing Platform powered by the industry-leading Composable CDP.” Source: RevenueBase Database · checked Sep 5, 2026
25	Soci, INC	Partial evidence	San Diego, CA, United StatesHQ checked Sep 5, 2026	501-1,000	338 contacts →
	Partial evidence “SOCi is the leading CoMarketing Cloud for multi-location enterprises.” Source: RevenueBase Database · checked Sep 5, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: multi-channel marketing platforms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names multi-channel marketing platforms.
Partial evidence: Its own public description names part of multi-channel marketing platforms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name multi-channel marketing platforms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 1,944 multi-channel marketing platforms based in the United States

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Multi-channel marketing platforms based in the United States at a glance

As of Sep 5, 2026

39.2%Verified-email coverage

31.0%Mobile-number coverage

35.9Average contacts per company

1-10Median size (employees)

6.0%Largest-city concentration · New York

Sep 5, 2026Page data refreshed

Companies by employee count

1-10

1,016

11-50

598

51-200

206

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

25,6090–30

1,56231–60

2961–90

2190–180

190180+

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among multi-channel marketing platforms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in the United States whose own description of what they do matches “multi-channel marketing platforms”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names multi-channel marketing platforms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among multi-channel marketing platforms, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 27,411 across the full list. 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 5, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Multi-channel marketing platforms by metro

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names multi-channel marketing platforms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many multi-channel marketing platforms are there based in the United States?

RevenueBase identified 1,944 multi-channel marketing platforms headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Hubspot, headquartered in Cambridge, tops this list with the largest team on record.

Which city has the most multi-channel marketing platforms?

New York leads with 116 headquartered companies, followed by San Francisco (45) and Austin (41).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 27,411 verified decision-maker contacts tracked across these 1,944 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 5, 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 Smart Search, 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.