Company lists · Data refreshed September 2026

Top 25 AI and machine learning firms based in Boston, United States

Name: AI and machine learning firms based in Boston, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 195 companies tracked

RevenueBase identified 195 AI and machine learning firms headquartered in Boston, United States as of September 2026 and tracks 23,094 professional contacts across them, including 9,281 with verified work emails. Across the United States, New York is the largest hub for this category (805 companies); Boston has 195.

This list covers AI and machine learning firms 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 28, 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 28, 2026 86% judged on-target in blind review

195Companies

23,094Contacts tracked

9,281Verified emails

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The 25 largest AI and machine learning firms based in Boston, United States

Ranked by team size

Top 25 of 195 AI and machine learning firms based in Boston, United States, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to AI and machine learning firms: 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	Publicis Sapient	Partial evidence	Boston, MA, United StatesHQ checked Sep 28, 2026	10001+	20,235 contacts →
	Partial evidence “Publicis Sapient is a technology company that provides enterprise AI platforms and services.” Source: RevenueBase Database · checked Sep 28, 2026
2	Pathai	Partial evidence	Boston, MA, United StatesHQ checked Sep 28, 2026	501-1,000	284 contacts →
	Partial evidence “PathAI's mission is to improve patient outcomes with AI-powered pathology.” Source: RevenueBase Database · checked Sep 28, 2026
3	Tcognition	Indirect evidence	Boston, MA, United StatesHQ checked Sep 28, 2026	51-200	158 contacts →
	Indirect evidence “tCognition, Inc.” Source: RevenueBase Database · checked Sep 28, 2026
4	Findability Sciences	Partial evidence	Boston, MA, United StatesHQ checked Sep 28, 2026	51-200	157 contacts →
	Partial evidence “Findability Sciences, Applied AI That Works in the Real World Recognised by Fortune as one of America's Most Innovative Companies, Findability Sciences is a global Applied AI and…” Source: RevenueBase Database · checked Sep 28, 2026
5	Focus Technology	Indirect evidence	Boston, MA, United StatesHQ checked Sep 28, 2026	51-200	150 contacts →
	Indirect evidence “Focus Technology began in 1997 as a team of skilled IT engineers and consultants with a single vision, helping companies maximize their technology to meet their business goals.” Source: RevenueBase Database · checked Sep 28, 2026
6	POSH	Partial evidence	Boston, MA, United StatesHQ checked Sep 28, 2026	51-200	134 contacts →
	Partial evidence “Posh is the operational AI layer for financial institutions - a unified platform that serves both customers and employees.” Source: RevenueBase Database · checked Sep 28, 2026
7	Lazarus AI	Partial evidence	Boston, MA, United StatesHQ checked Sep 28, 2026	11-50	83 contacts →
	Partial evidence “Lazarus AI is an AI engine company helping enterprises deploy artificial intelligence safely, reliably, and at scale.” Source: RevenueBase Database · checked Sep 28, 2026
8	Synapse XTL	Partial evidence	Boston, MA, United StatesHQ checked Sep 28, 2026	51-200	81 contacts →
	Partial evidence “At Synapse, we build high-performance, scalable solutions by uniting advanced cloud, data, security, and AI technologies, transforming your enterprise into a data-driven…” Source: RevenueBase Database · checked Sep 28, 2026
9	Bigrio	Indirect evidence	Boston, MA, United StatesHQ checked Sep 28, 2026	11-50	72 contacts →
	Indirect evidence “BigRio is a technology consulting firm empowering data to drive innovation and advanced analytics.” Source: RevenueBase Database · checked Sep 28, 2026
10	Oncorps AI	Partial evidence	Boston, MA, United StatesHQ checked Sep 28, 2026	51-200	54 contacts →
	Partial evidence “At OnCorps AI, our mission is to elevate work and performance by applying AI to handle predictable and laborious calculations, decisions, and tasks.” Source: RevenueBase Database · checked Sep 28, 2026
11	Mill5	Partial evidence	Boston, MA, United StatesHQ checked Sep 28, 2026	201-500	49 contacts →
	Partial evidence “MILL5 is a global software consulting and AI company delivering digital transformation-from cloud, data, and modern apps to cybersecurity-helping organizations innovate, scale…” Source: RevenueBase Database · checked Sep 28, 2026
12	HOS INC	Partial evidence	Boston, MA, United StatesHQ checked Sep 28, 2026	11-50	47 contacts →
	Partial evidence “hOS is an early-stage AI technology company founded in 2021 by several DataRobot alumni and former executives, including its founder Jeremy Achin.” Source: RevenueBase Database · checked Sep 28, 2026
13	Acceler8 Talent	Partial evidence	Boston, MA, United StatesHQ checked Sep 28, 2026	11-50	41 contacts →
	Partial evidence “Acceler8 connects the top AI companies with the talent to scale fast, reach milestones, and secure funding so you can launch your AI products with confidence.” Source: RevenueBase Database · checked Sep 28, 2026
14	N1 Health	Partial evidence	Boston, MA, United StatesHQ checked Sep 28, 2026	51-200	38 contacts →
	Partial evidence “N1 Health is the applied AI platform that drives measurable business results for healthcare organizations.” Source: RevenueBase Database · checked Sep 28, 2026
15	Gogloby	Partial evidence	Boston, MA, United StatesHQ checked Sep 28, 2026	11-50	27 contacts →
	Partial evidence “GoGloby is a 4x Applied AI Engineering Partner helping software engineering leaders multiply output with Applied AI Engineers, Agentic SDLC, and performance telemetry.” Source: RevenueBase Database · checked Sep 28, 2026
16	NROAD	Indirect evidence	Boston, MA, United StatesHQ checked Sep 28, 2026	11-50	26 contacts →
	Indirect evidence “At nRoad, we redefine the way businesses harness their data.” Source: RevenueBase Database · checked Sep 28, 2026
17	Catchlight	Partial evidence	Boston, MA, United StatesHQ checked Sep 28, 2026	11-50	26 contacts →
	Partial evidence “Catchlight AI is dedicated to helping wealth management firms become more efficient in their outreach, personalize at scale, and increase conversion of leads to new clients.” Source: RevenueBase Database · checked Sep 28, 2026
18	Mindgard	Partial evidence	Boston, MA, United StatesHQ checked Sep 28, 2026	11-50	24 contacts →
	Partial evidence “Mindgard is the leading provider of AI Security solutions.” Source: RevenueBase Database · checked Sep 28, 2026
19	Highpolar Software	Partial evidence	Boston, MA, United StatesHQ checked Sep 28, 2026	11-50	20 contacts →
	Partial evidence “At Highpolar Softwares, we’re shaping the future at the intersection of AI, cutting-edge technologies, and deep system innovation.” Source: RevenueBase Database · checked Sep 28, 2026
20	Agilitee	Indirect evidence	Boston, MA, United StatesHQ checked Sep 28, 2026	11-50	17 contacts →
	Indirect evidence “Most strategy consultants have never shipped code.” Source: RevenueBase Database · checked Sep 28, 2026
21	Dhauz North America	Indirect evidence	Boston, MA, United StatesHQ checked Sep 28, 2026	51-200	15 contacts →
	Indirect evidence “We are a technology and consulting firm with deep expertise in advanced analytics, artificial intelligence, data engineering, information technology, and business transformation.” Source: RevenueBase Database · checked Sep 28, 2026
22	Imaginary Space	Partial evidence	Boston, United StatesHQ checked Sep 28, 2026	11-50	15 contacts →
	Partial evidence “Imaginary Space is an AI-native product studio building operating systems for VC firms and enterprise teams.” Source: RevenueBase Database · checked Sep 28, 2026
23	Wellesley Cove Group	Partial evidence	Boston, MA, United StatesHQ checked Sep 28, 2026	11-50	14 contacts →
	Partial evidence “Wellesley Cove Group is an AI transformation and management consulting firm that helps organizations turn data, workflows, and emerging technology into measurable business…” Source: RevenueBase Database · checked Sep 28, 2026
24	Featurebyte	Partial evidence	Boston, United StatesHQ checked Sep 28, 2026	11-50	14 contacts →
	Partial evidence “Register for the FeatureByte Data Science Challenge by 1/16/26: https://challenge.featurebyte.ai FeatureByte is a Data Science Agent that helps you build smart AI agents.” Source: RevenueBase Database · checked Sep 28, 2026
25	Algorithmic Investment Models AIM	Partial evidence	Boston, MA, United StatesHQ checked Sep 28, 2026	1-10	13 contacts →
	Partial evidence “At Algorithmic Investment Models, we combine human intelligence and AI to create powerful investment strategies designed to uncover opportunities others miss.” Source: RevenueBase Database · checked Sep 28, 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: AI and machine learning firms. 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 AI and machine learning firms.
Partial evidence: Its own public description names part of AI and machine learning firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name AI and machine learning firms. 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 195 AI and machine learning firms based in Boston, United States

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AI and machine learning firms based in Boston, United States at a glance

As of Sep 28, 2026

40.2%Verified-email coverage

118.4Average contacts per company

1-10Median size (employees)

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

120

11-50

51-200

201-500

501-1,000

10001+

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 195 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 AI and machine learning firms, 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 “AI and machine learning firms”. 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 AI and machine learning firms), 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 AI and machine learning firms, 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, 9,281 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 28, 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.

AI and machine learning firms by metro in the United States

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 AI and machine learning firms, 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 AI and machine learning firms are there based in Boston, United States?

RevenueBase identified 195 AI and machine learning firms 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?

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

Which city in the United States has the most AI and machine learning firms?

New York leads the United States with 805 headquartered companies, followed by San Francisco (672) and Austin (382). Boston has 195.

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 9,281 verified decision-maker contacts tracked across these 195 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 28, 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.