Company lists · Data refreshed September 2026

Top 21 B2B marketing analytics software companies based in Boston, United States

RevenueBase identified 51 B2B marketing analytics software companies headquartered in Boston, United States as of September 2026 and tracks 5,035 professional contacts across them, including 2,514 with verified work emails. Across the United States, New York is the largest hub for this category (164 companies); Boston has 51.

This list covers B2B marketing analytics software 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 27, 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 27, 2026 86% judged on-target in blind review
51Companies
5,035Contacts tracked
2,514Verified emails
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The 21 largest B2B marketing analytics software companies based in Boston, United States

Ranked by team size
Top 21 of 51 B2B marketing analytics software companies based in Boston, United States, ranked by team size, largest first. Data refreshed Sep 27, 2026. RevenueBase Smart Search rates how each company's information relates to B2B marketing analytics software companies: 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceBoston, MA, United StatesHQ checked Sep 27, 20261,001-5,0002,789 contacts →

Indirect evidence

“Klaviyo (NYSE: KVYO) is the autonomous B2C CRM.”

Source: RevenueBase Database · checked Sep 27, 2026
2Indirect evidenceBoston, United StatesHQ checked Sep 27, 20261,001-5,0001,087 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 27, 2026
3Strong evidenceBoston, MA, United StatesHQ checked Sep 27, 2026201-500359 contacts →

Strong evidence

“Lusha is the B2B data and sales intelligence system used by sales, marketing, recruiting, RevOps teams, and AI agents to find contacts, enrich records, and track real-world buying…”

Source: RevenueBase Database · checked Sep 27, 2026
4Indirect evidenceBoston, MA, United StatesHQ checked Sep 27, 2026201-500345 contacts →

Indirect evidence

“Validity created the AI platform behind the world's most successful email programs.”

Source: RevenueBase Database · checked Sep 27, 2026
5Indirect evidenceBoston, MA, United StatesHQ checked Sep 27, 202651-20063 contacts →

Indirect evidence

“Cybba helps brands turn advertising into measurable business outcomes.”

Source: RevenueBase Database · checked Sep 27, 2026
6Strong evidenceBoston, MA, United StatesHQ checked Sep 27, 202611-5046 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 27, 2026
7Indirect evidenceBoston, MA, United StatesHQ checked Sep 27, 202611-5029 contacts →

Indirect evidence

“S2N Health empowers medtech success with AI-driven, expert-curated market intelligence.”

Source: RevenueBase Database · checked Sep 27, 2026
8Partial evidenceBoston, United StatesHQ checked Sep 27, 20261-1024 contacts →

Partial evidence

“M-Squared is a marketing attribution community and marketplace that provides businesses with the tools and resources they need to solve their attribution challenges.”

Source: RevenueBase Database · checked Sep 27, 2026
9Partial evidenceBoston, MA, United StatesHQ checked Sep 27, 20261,001-5,00023 contacts →

Partial evidence

“In 2009, dataxu® was founded on the premise that data science could help make marketing better.”

Source: RevenueBase Database · checked Sep 27, 2026
10Partial evidenceBoston, MA, United StatesHQ checked Sep 27, 202611-5014 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 27, 2026
11Indirect evidenceBoston, MA, United StatesHQ checked Sep 27, 20261-1010 contacts →

Indirect evidence

“Call Attribution shouldn’t be that hard… At Nimbata, we have been obsessed with revolutionizing the way you track, analyze, and leverage your phone leads - since 2013.”

Source: RevenueBase Database · checked Sep 27, 2026
12Partial evidenceBoston, MA, United StatesHQ checked Sep 27, 202611-503 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 27, 2026
13Indirect evidenceBoston, MA, United StatesHQ checked Sep 27, 20261-103 contacts →

Indirect evidence

“Successful enterprises and startups rely on data to measure, learn, grow, and profit.”

Source: RevenueBase Database · checked Sep 27, 2026
14Strong evidenceBoston, MA, United StatesHQ checked Sep 27, 20261-102 contacts →

Strong evidence

“AirPilot specializes in providing white-labeled custom client reporting and analytics services for marketing and advertising companies.”

Source: RevenueBase Database · checked Sep 27, 2026
15Indirect evidenceBoston, MA, United StatesHQ checked Sep 27, 202651-2001 contacts →

Indirect evidence

“Driven by data.”

Source: RevenueBase Database · checked Sep 27, 2026
16Partial evidenceBoston, MA, United StatesHQ checked Sep 27, 202611-501 contacts →

Partial evidence

“Zeenk is a customizable data analytics platform built for advertising agencies.”

Source: RevenueBase Database · checked Sep 27, 2026
17Strong evidenceBoston, United StatesHQ checked Sep 27, 20261-101 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 27, 2026
18Partial evidenceBoston, MA, United StatesHQ checked Sep 27, 20261-101 contacts →

Partial evidence

“StoryMetrix is a small consulting business that publishes, instructs, and consults on instrumenting the B2B customer journey.”

Source: RevenueBase Database · checked Sep 27, 2026
19Strong evidenceBoston, MA, United StatesHQ checked Sep 27, 20261-101 contacts →

Strong evidence

“What we Do: We do data mining of Marketing Automation and Listening Platforms and web logs and then use Predictive Analytics and Machine Learning to build Customer LifeCycle…”

Source: RevenueBase Database · checked Sep 27, 2026
20Indirect evidenceBoston, MA, United StatesHQ checked Sep 27, 20261-101 contacts →

Indirect evidence

“Every continuation vehicle asks the same question: can this revenue compound for another hold?”

Source: RevenueBase Database · checked Sep 27, 2026
21Strong evidenceBoston, MA, United StatesHQ checked Sep 27, 20261-101 contacts →

Strong evidence

“CamCo Demand is a boutique B2B marketing firm specializing in demand generation strategy and execution for tech companies.”

Source: RevenueBase Database · checked Sep 27, 2026

Showing 21 of 51 B2B marketing analytics software companies based in Boston, United States

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B2B marketing analytics software companies based in Boston, United States at a glance

As of Sep 27, 2026
49.9%Verified-email coverage
98.7Average contacts per company
11-50Median size (employees)
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
22
11-50
17
51-200
6
201-500
2
1,001-5,000
4

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 51 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 marketing analytics software 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 marketing analytics software 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 marketing analytics software 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 marketing analytics software 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, 2,514 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 27, 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.

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 marketing analytics software 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 marketing analytics software companies are there based in Boston, United States?

RevenueBase identified 51 B2B marketing analytics software 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 in the United States has the most B2B marketing analytics software companies?

New York leads the United States with 164 headquartered companies, followed by San Francisco (120) and Austin (63). Boston has 51.

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 2,514 verified decision-maker contacts tracked across these 51 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 27, 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.