Company lists · Data refreshed September 2026

Top 25 Legal AI and machine learning companies based in the United States

Name: Legal AI and machine learning companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 4, 2026 390 companies tracked

RevenueBase identified 390 legal AI and machine learning companies headquartered in the United States as of September 2026 and tracks 18,346 professional contacts across them, including 7,068 with verified work emails and 6,590 with mobile numbers. New York is the largest hub.

This list covers legal AI and machine learning companies headquartered in the 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 4, 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 4, 2026 86% judged on-target in blind review

390Companies

18,346Contacts tracked

7,068Verified emails

6,590Mobile numbers

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The 25 largest legal AI and machine learning companies based in the United States

Ranked by team size

Top 25 of 390 legal AI and machine learning companies based in the United States, ranked by team size, largest first. Data refreshed Sep 4, 2026. RevenueBase Smart Search rates how each company's information relates to legal AI and machine learning 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Lexisnexis	Strong evidence	New York City, NC, United StatesHQ checked Sep 4, 2026	10001+	9,927 contacts →
	Strong evidence “LexisNexis is a leading innovator of private, secure, and authoritative Legal AI solutions that help legal and business professionals draft full documents with ease, make informed…” Source: RevenueBase Database · checked Sep 4, 2026
2	Relativity	Partial evidence	Chicago, NJ, United StatesHQ checked Sep 4, 2026	1,001-5,000	1,698 contacts →
	Partial evidence “Relativity is a leading legal data intelligence company that builds technology to help users organize data, discover the truth, and act on it.” Source: RevenueBase Database · checked Sep 4, 2026
3	Litera	Partial evidence	Chicago, IL, United StatesHQ checked Sep 4, 2026	501-1,000	892 contacts →
	Partial evidence “Litera has been at the forefront of legal technology for 25+ years.” Source: RevenueBase Database · checked Sep 4, 2026
4	Evenup	Partial evidence	San Francisco, CA, United StatesHQ checked Sep 4, 2026	501-1,000	723 contacts →
	Partial evidence “EvenUp is the leading proactive AI platform for personal injury law, the first of its kind, built on the largest personal injury dataset.” Source: RevenueBase Database · checked Sep 4, 2026
5	DISCO	Indirect evidence	Austin, TX, United StatesHQ checked Sep 4, 2026	501-1,000	720 contacts →
	Indirect evidence “DISCO is a litigation technology company that helps top law firms and corporations take on their biggest cases.” Source: RevenueBase Database · checked Sep 4, 2026
6	alphastream.ai	Strong evidence	New York, United StatesHQ checked Sep 4, 2026	51-200	244 contacts →
	Strong evidence “Alphastream is a leading AI platform delivering legal and financial intelligence purpose built for private markets by transforming unstructured documents into trusted, actionable…” Source: RevenueBase Database · checked Sep 4, 2026
7	Purpose Legal	Strong evidence	Dallas, TX, United StatesHQ checked Sep 4, 2026	201-500	236 contacts →
	Strong evidence “ABOUT US Purpose Legal is an AI-first legal services company delivering integrated technology, review expertise, and specialized legal staffing for law firms, corporations, and…” Source: RevenueBase Database · checked Sep 4, 2026
8	Darrow AI	Partial evidence	New York, NY, United StatesHQ checked Sep 4, 2026	51-200	197 contacts →
	Partial evidence “The legal system is one of society's most important safeguards.” Source: RevenueBase Database · checked Sep 4, 2026
9	Cimplifi	Strong evidence	Pittsburgh, PA, United StatesHQ checked Sep 4, 2026	51-200	191 contacts →
	Strong evidence “Cimplifi is a leading legal services provider and AI orchestrator, delivering trusted, outcome-driven solutions across eDiscovery and contract analytics.” Source: RevenueBase Database · checked Sep 4, 2026
10	Litify	Partial evidence	New York, LA, United StatesHQ checked Sep 4, 2026	201-500	178 contacts →
	Partial evidence “Unleash your legal team’s full potential.” Source: RevenueBase Database · checked Sep 4, 2026
11	Legalon Technologies	Strong evidence	San Francisco, CA, United StatesHQ checked Sep 4, 2026	501-1,000	151 contacts →
	Strong evidence “LegalOn is a global leader in AI for in-house legal teams.” Source: RevenueBase Database · checked Sep 4, 2026
12	Norm AI	Strong evidence	New York, NY, United StatesHQ checked Sep 4, 2026	51-200	149 contacts →
	Strong evidence “Norm Ai, the Legal Infrastructure for AI agents, has a client base with a combined $30 trillion in assets under management.” Source: RevenueBase Database · checked Sep 4, 2026
13	Orbital	Strong evidence	New York, NY, United StatesHQ checked Sep 4, 2026	51-200	97 contacts →
	Strong evidence “Orbital is purpose-built AI for real estate legal work.” Source: RevenueBase Database · checked Sep 4, 2026
14	Wordsmith AI	Partial evidence	New York, United StatesHQ checked Sep 4, 2026	51-200	86 contacts →
	Partial evidence “Built for in-house legal teams.” Source: RevenueBase Database · checked Sep 4, 2026
15	Actfore	Strong evidence	Reston, VA, United StatesHQ checked Sep 4, 2026	51-200	81 contacts →
	Strong evidence “ACTFORE delivers AI/ML-powered data mining response solutions for legal teams, insurance carriers, and corporations.” Source: RevenueBase Database · checked Sep 4, 2026
16	Recommind NOW Opentext	Indirect evidence	San Francisco, CA, United StatesHQ checked Sep 4, 2026	n/a	73 contacts →
	Indirect evidence “Recommind was acquired by OpenText in July 2016.” Source: RevenueBase Database · checked Sep 4, 2026
17	Brightleaf Solutions	Partial evidence	Brookline, MA, United StatesHQ checked Sep 4, 2026	51-200	72 contacts →
	Partial evidence “Brightleaf provides a AI-powered service to extract information from your contracts using our own proprietary semantic intelligence/natural language processing technology, our own…” Source: RevenueBase Database · checked Sep 4, 2026
18	GC AI	Strong evidence	San Mateo, CA, United StatesHQ checked Sep 4, 2026	51-200	62 contacts →
	Strong evidence “GC AI is the legal AI platform built for in-house teams that solves the workflows in-house lawyers and legal professionals face every day.” Source: RevenueBase Database · checked Sep 4, 2026
19	Legalsifter	Strong evidence	Pittsburgh, PA, United StatesHQ checked Sep 4, 2026	51-200	52 contacts →
	Strong evidence “LegalSifter is a legal AI technology and services company that helps organizations review, manage, and optimize contracts faster, more accurately, and at lower cost.” Source: RevenueBase Database · checked Sep 4, 2026
20	Cognizer INC	Strong evidence	Pleasanton, CA, United StatesHQ checked Sep 4, 2026	51-200	52 contacts →
	Strong evidence “Cognizer is a contract intelligence AI vendor servicing enterprises, SaaS vendors and Legal Service Providers.” Source: RevenueBase Database · checked Sep 4, 2026
21	Legalmation	Partial evidence	Los Angeles, CA, United StatesHQ checked Sep 4, 2026	11-50	44 contacts →
	Partial evidence “LegalMation leverages the latest artificial intelligence systems including GPT-4 to help corporate legal departments and law firms drive efficiency with straightforward and easily…” Source: RevenueBase Database · checked Sep 4, 2026
22	Unicourt	Indirect evidence	Tustin, CA, United StatesHQ checked Sep 4, 2026	51-200	41 contacts →
	Indirect evidence “UniCourt is a legaltech platform for accessing litigation data, analytics and insights, providing real-time access to over state and federal courts across 40+ states.” Source: RevenueBase Database · checked Sep 4, 2026
23	LEGA	Partial evidence	New York, United StatesHQ checked Sep 4, 2026	n/a	39 contacts →
	Partial evidence “Lega is an LLM-Governance platform specifically designed to provide law firms and enterprises with a secure and efficient way to explore, assess, and implement generative AI…” Source: RevenueBase Database · checked Sep 4, 2026
24	Precedent	Indirect evidence	Charlotte, NC, United StatesHQ checked Sep 4, 2026	51-200	37 contacts →
	Indirect evidence “Precedent gives personal injury law firms a carrier-savvy advantage.” Source: RevenueBase Database · checked Sep 4, 2026
25	Casetext, Part Of Thomson Reuters	Strong evidence	San Francisco, CA, United StatesHQ checked Sep 4, 2026	51-200	34 contacts →
	Strong evidence “Meet Casetext, the leaders of innovation in legal AI since 2013 and the developers of CoCounsel, the world's first AI legal assistant.” Source: RevenueBase Database · checked Sep 4, 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: legal AI and machine learning 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 legal AI and machine learning companies.
Partial evidence: Its own public description names part of legal AI and machine learning companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name legal AI and machine learning 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 390 legal AI and machine learning companies based in the United States

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Legal AI and machine learning companies based in the United States at a glance

As of Sep 4, 2026

38.5%Verified-email coverage

35.9%Mobile-number coverage

47.0Average contacts per company

1-10Median size (employees)

12.3%Largest-city concentration · New York

Sep 4, 2026Page data refreshed

Companies by employee count

1-10

253

11-50

51-200

201-500

501-1,000

1,001-5,000

10001+

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

00–30

57231–60

3,83461–90

2,63590–180

27180+

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 legal AI and machine learning 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 the United States whose own description of what they do matches “legal AI and machine learning 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 legal AI and machine learning 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 legal AI and machine learning companies, and records with no verified work email. Companies headquartered outside United States 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, 7,068 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 4, 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.

Legal AI and machine learning companies by metro

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 legal AI and machine learning 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 legal AI and machine learning companies are there based in the United States?

RevenueBase identified 390 legal AI and machine learning companies headquartered in the 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?

Lexisnexis, headquartered in Raleigh, tops this list with the largest team on record.

Which city has the most legal AI and machine learning companies?

New York leads with 48 headquartered companies, followed by San Francisco (41) and Los Angeles (13).

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 7,068 verified decision-maker contacts tracked across these 390 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 4, 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.