Company lists · Data refreshed September 2026

Top 25 Marketing automation agencies based in Boston, United States

Name: Marketing automation agencies based in Boston, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 60 companies tracked

RevenueBase identified 60 company matches for marketing automation agencies associated with Boston, United States as of September 2026 and tracks 4,807 professional contacts across them, including 2,402 with verified work emails. Across the United States, New York is the largest hub for this category (335 companies); Boston has 60.

This list covers company matches for marketing automation agencies associated with Boston, United States, 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 September 17, 2026.

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 Sep 17, 2026 How this list was built

60Companies

4,807Contacts tracked

2,402Verified emails

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The 25 largest marketing automation agencies based in Boston, United States

Ranked by team size

Top 25 of 60 company matches for marketing automation agencies based in Boston, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 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	Klaviyo	Exact match	Boston, MA, United StatesHQ recorded Sep 17, 2026	1,001-5,000	2,789 contacts →
	Exact match “Klaviyo (NYSE: KVYO) is the autonomous B2C CRM.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	Demandscience	Exact match	Boston, United StatesHQ recorded Sep 17, 2026	1,001-5,000	1,087 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 · Sep 17, 2026 · View company records in RevenueBase
3	Validity INC	Exact match	Boston, MA, United StatesHQ recorded Sep 17, 2026	201-500	345 contacts →
	Exact match “Validity created the AI platform behind the world's most successful email programs.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Rapiddev	Exact match	Boston, United StatesHQ recorded Sep 17, 2026	51-200	124 contacts →
	Exact match “We help companies turn AI strategy into measurable business outcomes.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Tier 11	Exact match	Boston, MA, United StatesHQ recorded Sep 17, 2026	51-200	52 contacts →
	Exact match “On average, we have found that 76% of digital advertising budgets are wasted.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Revotas	Exact match	Boston, MA, United StatesHQ recorded Sep 17, 2026	11-50	51 contacts →
	Exact match “Revotas is an insights-led customer experience platform trusted by over global consumer brands such as Miele, Beşiktaş, Little Caesars, Toyota, Elite World Hotels and more.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	Nowspeed Marketing	Exact match	Boston, MA, United StatesHQ recorded Sep 17, 2026	11-50	32 contacts →
	Exact match “Nowspeed is an AI-enabled digital marketing agency that helps growth-focused organizations turn marketing spend into measurable pipeline.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Dataxu	Exact match	Boston, MA, United StatesHQ recorded Sep 17, 2026	1,001-5,000	23 contacts →
	Exact match “In 2009, dataxu® was founded on the premise that data science could help make marketing better.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	Convertiv	Exact match	Boston, MA, United StatesHQ recorded Sep 17, 2026	11-50	19 contacts →
	Exact match “Convertiv is the marketing agency that delivers for businesses that demand high performance, efficiency and digital (design) excellence.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	Customer Portfolios	Exact match	Boston, MA, United StatesHQ recorded Sep 17, 2026	11-50	14 contacts →
	Exact match “Customer Portfolios is a marketing technology leader that empowers its global clients to maximize the value of each customer.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Whatarmy	Exact match	Boston, MA, United StatesHQ recorded Sep 17, 2026	1-10	11 contacts →
	Exact match “Unleash your brand's potential!” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Ideometry	Exact match	Boston, MA, United StatesHQ recorded Sep 17, 2026	1-10	10 contacts →
	Exact match “Connect with Ideometry, a Boston-based agency that jump-starts your marketing, extends your brand, and builds full-scale campaign strategies that create engagement, generate…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Faster	Exact match	Boston, United StatesHQ recorded Sep 17, 2026	11-50	9 contacts →
	Exact match “Faster is a business workspace where people and AI use the same tools, permissions, customer context, and review flows to run websites, bookings, payments, follow-up, and growth…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Demandbright	Exact match	Boston, MA, United StatesHQ recorded Sep 17, 2026	1-10	7 contacts →
	Exact match “DEMANDBRIGHT is a modern growth accelerator for marketers.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Charisma 18 SEO Digital Marketing Agency	Exact match	Boston, MA, United StatesHQ recorded Sep 17, 2026	1-10	5 contacts →
	Exact match “At Charisma 18, we empower wellness and service professionals-like mental health clinics, physical therapists, and consultants-to thrive online.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Loop7 Media	Exact match	Boston, MA, United StatesHQ recorded Sep 17, 2026	1-10	5 contacts →
	Exact match “Loop7 Media has a simple vision: to provide 1st class digital marketing services.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Darby Digital	Exact match	Boston, MA, United StatesHQ recorded Sep 17, 2026	1-10	2 contacts →
	Exact match “As a business leader with a vision for success, you recognize the importance of having a reliable partner who can navigate the complexities of the digital age, drive growth, and…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	WOW Connections, LLC	Exact match	Boston, MA, United StatesHQ recorded Sep 17, 2026	11-50	2 contacts →
	Exact match “WOW CONNECTIONS, LLC is an agency with a distinctive style that provides growth through a highly strategic and customized marketing system to produce high-quality leads and…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Growcomma Marketing	Exact match	Boston, MA, United StatesHQ recorded Sep 17, 2026	1-10	2 contacts →
	Exact match “Growcomma Marketing specializes in helping businesses succeed in the digital landscape.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Celerity Is, INC	Exact match	Boston, MA, United StatesHQ recorded Sep 17, 2026	51-200	1 contacts →
	Exact match “Driven by data.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Promark AI	Exact match	Boston, United StatesHQ recorded Sep 17, 2026	1-10	1 contacts →
	Exact match “ProMark AI is a cutting-edge software company focused on using artificial intelligence (beta) and automation (live) to help businesses optimize their marketing and sales…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	L2l Creative Group	Exact match	Boston, MA, United StatesHQ recorded Sep 17, 2026	1-10	1 contacts →
	Exact match “L2L Creative Group (formerly Leave it to Lindsay) is a Boston-based social media agency offering social media strategy, email marketing, and Constant Contact services businesses.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Flux Flow	Exact match	Boston, MA, United StatesHQ recorded Sep 17, 2026	1-10	1 contacts →
	Exact match “Your Formula For Scalable Growth We're an agile growth marketing agency that designs strategies to accelerate customer acquisition, increase conversion rates and improve customer…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	Echosurge Marketing	Exact match	Boston, United StatesHQ recorded Sep 17, 2026	1-10	1 contacts →
	Exact match “Echosurge is a digital marketing company that specializes in web design, email marketing, social media marketing and content generation.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Growth Science Agency	Exact match	Boston, MA, United StatesHQ recorded Sep 17, 2026	1-10	1 contacts →
	Exact match “The Growth Science Agency is a collective of growth-minded marketers using automation to consistently deliver high value B2B leads to our clients.” Recorded in the RevenueBase company graph · Sep 17, 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 automation agencies”. 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 60 marketing automation agencies based in Boston, United States

See the full list, filter by size, metro and specialty, and access 2,402 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Marketing automation agencies based in Boston, United States at a glance

As of Sep 17, 2026

50.0%Verified-email coverage

80.1Average contacts per company

1-10Median size (employees)

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

Email recency for this list is measured across the whole United States list rather than for Boston, so it is reported there. Company counts and contact totals on this page are exact for Boston, over 60 companies.

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.
What qualifies: Company records associated with Boston, United States whose business descriptions match “marketing automation agencies” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 2,402 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 September 17, 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 automation agencies by metro in the United States

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 automation agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many marketing automation agencies are there based in Boston, United States?

RevenueBase identified 60 company matches for marketing automation agencies associated with Boston, United States as of September 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?

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

Which city in the United States has the most marketing automation agencies?

New York leads the United States with 335 company records, followed by Los Angeles (173) and Miami (164). Boston has 60.

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 2,402 professional contacts with verified work emails tracked across these 60 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 September 17, 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.