Company lists · Data verified August 2026

Top 25 Marketing automation consultants based in the United States

Name: Marketing automation consultants based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 6,547 companies tracked

There are 6,547 marketing automation consultants headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 60,947 professional contacts across them, including 19,785 with verified work emails and 19,205 with mobile numbers. New York is the largest hub.

This list covers marketing automation consultants headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

6,547Companies

60,947Contacts tracked

19,785Verified emails

19,205Mobile numbers

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The 25 largest marketing automation consultants based in the United States

Ranked by team size

Top 25 of 6,547 marketing automation consultants based in the United States, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Klaviyo	Boston, MA	1,001-5,000	2,859	1,624
2	Zeta Global	Nashville, TN	1,001-5,000	2,570	1,644
3	Intuit Mailchimp	Oakland, CA	1,001-5,000	1,557	474
4	Localiq	New York, NY	1,001-5,000	1,541	581
5	Demandscience	Boston	1,001-5,000	1,080	423
6	Activecampaign	Chicago, IL	1,001-5,000	852	581
7	Marigold	Nashville, TN	201-500	818	147
8	Vendasta	Boston, MA	501-1,000	768	268
9	Abstrakt Marketing Group	St Louis, MO	501-1,000	724	235
10	simpli.fi	Fort Worth, TX	501-1,000	677	470
11	Movable INK	Chicago, IL	501-1,000	667	406
12	Optimove	New York, NY	501-1,000	577	88
13	Adobe Marketo	Atlanta, GA	1,001-5,000	570	109
14	Mavlers	San Jose, CA	501-1,000	488	151
15	Invoca	West Hollywood, CA	201-500	384	258
16	Simplus	Chicago, IL	501-1,000	384	198
17	Hightouch	San Francisco, CA	201-500	354	68
18	Validity INC	Tampa, FL	201-500	349	229
19	Targetbase	Raleigh, NC	201-500	317	125
20	marketing.com	Eureka, MO	1,001-5,000	308	138
21	KNOWN	Cambridge, MA	201-500	299	191
22	Listrak	Lititz, PA	201-500	298	173
23	Claritas	Cincinnati, OH	201-500	295	166
24	TSL Marketing	Elkridge, MD	201-500	252	37
25	Fusion92	Farmington Hills, MI	201-500	241	193

Showing 25 of 6,547 marketing automation consultants based in the United States

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Marketing automation consultants based in the United States at a glance

As of Aug 28, 2026

1-10Median size (employees)

New YorkLargest hub · 300 HQs

19,205Contacts with mobile numbers

140Emails re-verified in last 30 days

Companies by employee count

1-10

4,747

11-50

1,426

51-200

272

201-500

501-1,000

1,001-5,000

5,001-10,000

Marketing automation consultants by metro

Metro	Companies
Marketing automation consultants in New York	300
Marketing automation consultants in Los Angeles	155
Marketing automation consultants in Miami	153
Marketing automation consultants in San Francisco	148
Marketing automation consultants in Chicago	142
Marketing automation consultants in Atlanta	132
Marketing automation consultants in Austin	129

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “marketing automation consultants”, with match quality audited by blind human judging, and headquartered in the United States.
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: Contact records re-verify on a rolling cadence; 140 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many marketing automation consultants are there based in the United States?

There are 6,547 marketing automation consultants headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Klaviyo, headquartered in Boston, tops this list with the largest team on record.

Which city has the most marketing automation consultants?

New York leads with 300 headquartered companies, followed by Los Angeles (155) and Miami (153).

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 19,785 verified decision-maker contacts tracked across these 6,547 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.