Company lists · Data refreshed September 2026
Top 25 B2B consultant marketing automation companies based in Boston, United States
RevenueBase identified 81 B2B consultant marketing automation companies headquartered in Boston, United States as of September 2026 and tracks 4,542 professional contacts across them, including 2,195 with verified work emails. New York is the largest hub.
This list covers B2B consultant marketing automation companies headquartered in Boston, 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 21, 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.
The 25 largest B2B consultant marketing automation companies based in Boston, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,789 contacts → | ||||
Indirect evidence “Klaviyo (NYSE: KVYO) is the autonomous B2C CRM.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 2 | 1,087 contacts → | ||||
Indirect 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 21, 2026Thanks. The Data Team will review it. | |||||
| 3 | 124 contacts → | ||||
Indirect evidence “We help companies turn AI strategy into measurable business outcomes.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 4 | 51 contacts → | ||||
Indirect evidence “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.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 5 | 46 contacts → | ||||
Strong evidence “Most B2B marketing teams are running paid media, brand, and customer expansion as three disconnected efforts, three budgets, three sets of metrics, nobody connecting them.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 6 | 27 contacts → | ||||
Indirect evidence “OpFocus was started in 2006 with the goal of helping companies run their businesses better.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 7 | 23 contacts → | ||||
Indirect evidence “Demand Generation consulting for high growth tech.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 8 | 19 contacts → | ||||
Partial evidence “Convertiv is the marketing agency that delivers for businesses that demand high performance, efficiency and digital (design) excellence.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 9 | 15 contacts → | ||||
Partial evidence “Not your average marketing team.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 10 | 14 contacts → | ||||
Strong evidence “Aimtal is an independent, B2B digital marketing agency.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 11 | 14 contacts → | ||||
Partial evidence “Customer Portfolios is a marketing technology leader that empowers its global clients to maximize the value of each customer.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 12 | 9 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 13 | 9 contacts → | ||||
Partial evidence “At Mpire Solutions, we specialize in leveraging HubSpot’s comprehensive suite to streamline your marketing, sales, and service processes.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 14 | 7 contacts → | ||||
Indirect evidence “DEMANDBRIGHT is a modern growth accelerator for marketers.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 15 | 6 contacts → | ||||
Indirect evidence “Buyer Personalization Drives Revenue Generate more qualified leads that close and upsell faster from each buyer or customer interaction.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 16 | 5 contacts → | ||||
Partial evidence “Our award-winning team of marketing and sales experts will work with you to develop a robust growth solution that is unique for your business.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 17 | 5 contacts → | ||||
Strong evidence “At Bridge Builder, we specialize in helping organizations optimize their Salesforce and marketing automation ecosystems with a hands-on, strategic approach.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 18 | 3 contacts → | ||||
Partial evidence “KoMarketing, A Walker Sands Company, helps B2B organizations get found online, drive more leads, and build brand visibility.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 19 | 2 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 20 | 2 contacts → | ||||
Partial evidence “At Growth Steps, our forte lies in tailoring marketing strategies to the unique needs of local service-based companies.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 21 | 2 contacts → | ||||
Indirect evidence “Nobis Link is a technical HubSpot consulting firm focused on optimizing, integrating and extending the HubSpot platform.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 22 | 2 contacts → | ||||
Partial evidence “Fractional Marketing Leadership from Strategy to Execution Limited in-house resources shouldn’t limit your business success.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 23 | 1 contacts → | ||||
Indirect evidence “Driven by data.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 24 | 1 contacts → | ||||
Strong evidence “Repackaged is a product marketing and analyst relations consultancy for European B2B SaaS companies entering or scaling in the United States.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 25 | 1 contacts → | ||||
Strong evidence “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…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
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: B2B consultant marketing automation companies. 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 B2B consultant marketing automation companies.
- Partial evidence
- Its own public description names part of B2B consultant marketing automation companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name B2B consultant marketing automation companies. 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 81 B2B consultant marketing automation companies based in Boston, United States
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B2B consultant marketing automation companies based in Boston, United States at a glance
As of Sep 21, 2026Companies by employee count
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 81 companies.
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 B2B consultant marketing automation companies, 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 Boston, United States whose own description of what they do matches “B2B consultant marketing automation companies”. 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 B2B consultant marketing automation companies), 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 B2B consultant marketing automation companies, and records with no verified work email. Companies headquartered outside Boston 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, 2,195 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 21, 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.
B2B consultant marketing automation companies by metro in the United States
- B2B consultant marketing automation companies in New York291
- B2B consultant marketing automation companies in San Francisco161
- B2B consultant marketing automation companies in Austin155
- B2B consultant marketing automation companies in Chicago151
- B2B consultant marketing automation companies in Miami145
- B2B consultant marketing automation companies in Los Angeles141
- B2B consultant marketing automation companies in Atlanta126
- B2B consultant marketing automation companies in Dallas110
- B2B consultant marketing automation companies in Denver101
- B2B consultant marketing automation companies in Houston99
- B2B consultant marketing automation companies in Sheridan91
- B2B consultant marketing automation companies in San Diego86
- B2B consultant marketing automation companies in Boston81
- B2B consultant marketing automation companies in Las Vegas71
- B2B consultant marketing automation companies in Seattle67
- B2B consultant marketing automation companies in Orlando62
- B2B consultant marketing automation companies in Tampa59
- B2B consultant marketing automation companies in Minneapolis56
- B2B consultant marketing automation companies in Charlotte55
- B2B consultant marketing automation companies in Phoenix55
- B2B consultant marketing automation companies in Portland53
- B2B consultant marketing automation companies in Philadelphia44
- B2B consultant marketing automation companies in San Jose42
- B2B consultant marketing automation companies in Salt Lake City36
- B2B consultant marketing automation companies in Scottsdale35
- B2B consultant marketing automation companies in Wilmington34
- B2B consultant marketing automation companies in Washington32
- B2B consultant marketing automation companies in Raleigh31
- B2B consultant marketing automation companies in Fort Lauderdale30
- B2B consultant marketing automation companies in Irvine30
- B2B consultant marketing automation companies in Dover28
- B2B consultant marketing automation companies in San Antonio28
- B2B consultant marketing automation companies in Cincinnati27
- B2B consultant marketing automation companies in Nashville27
- B2B consultant marketing automation companies in Cheyenne26
- B2B consultant marketing automation companies in Jacksonville25
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 B2B consultant marketing automation companies, 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 B2B consultant marketing automation companies are there based in Boston, United States?
RevenueBase identified 81 B2B consultant marketing automation companies headquartered in Boston, 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?
Klaviyo, headquartered in Boston, tops this list with the largest team on record.
Which city has the most B2B consultant marketing automation companies?
New York leads with 291 headquartered companies, followed by San Francisco (161) and Austin (155).
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 2,195 verified decision-maker contacts tracked across these 81 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 21, 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.
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