Company lists · Data refreshed September 2026

Top 21 AI legal assistant software companies based in San Francisco, United States

RevenueBase identified 52 company matches for AI legal assistant software companies associated with San Francisco, United States as of September 2026 and tracks 2,551 professional contacts across them, including 1,214 with verified work emails and 986 with mobile numbers. Across the United States, New York is the largest hub for this category (65 companies); San Francisco follows with 52.

This list covers company matches for AI legal assistant software companies associated with San Francisco, 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 14, 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 14, 2026 How this list was built
52Companies
2,551Contacts tracked
1,214Verified emails
986Mobile numbers
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The 21 largest AI legal assistant software companies based in San Francisco, United States

Ranked by team size
Top 21 of 52 company matches for AI legal assistant software companies based in San Francisco, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 14, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchSan Francisco, CA, United StatesHQ recorded Sep 14, 2026501-1,000826 contacts →

Exact match

“Harvey is domain-specific AI for legal and professional services.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
2Exact matchSan Francisco, CA, United StatesHQ recorded Sep 14, 2026501-1,000707 contacts →

Exact match

“EvenUp is the leading proactive AI platform for personal injury law, the first of its kind, built on the largest personal injury dataset.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
3Exact matchSan Francisco, CA, United StatesHQ recorded Sep 14, 2026201-500561 contacts →

Exact match

“Ontra is the leader in AI-powered solutions for the private markets.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
4Exact matchSan Francisco, CA, United StatesHQ recorded Sep 14, 2026501-1,000154 contacts →

Exact match

“LegalOn is a global leader in AI for in-house legal teams.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
5Exact matchSan Francisco, CA, United StatesHQ recorded Sep 14, 202651-20034 contacts →

Exact match

“Meet Casetext, the leaders of innovation in legal AI since 2013 and the developers of CoCounsel, the world's first AI legal assistant.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
6Exact matchSan Francisco, CA, United StatesHQ recorded Sep 14, 202611-5034 contacts →

Exact match

“AI-Native Legal Infrastructure.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
7Exact matchSan Francisco, CA, United StatesHQ recorded Sep 14, 202611-5011 contacts →

Exact match

“Our mission is to transform the way professional service providers work, freeing them up to focus on the most creative and intellectual parts of their business.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
8Exact matchSan Francisco, CA, United StatesHQ recorded Sep 14, 202611-5011 contacts →

Exact match

“Jora uses AI and a few magic tricks to automate, guide, and validate the conveyancing process, enabling you and your team to close more transactions in less time with less mess.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
9Exact matchSan Francisco, United StatesHQ recorded Sep 14, 20261-1011 contacts →

Exact match

“Transform your legal operations.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
10Exact matchSan Francisco, CA, United StatesHQ recorded Sep 14, 202611-509 contacts →

Exact match

“Deliberately.ai automates intake, organizes facts, and drafts documents - so you can focus on strategy, not paperwork.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
11Exact matchSan Francisco, CA, United StatesHQ recorded Sep 14, 20261-109 contacts →

Exact match

“CaseMark is an AI platform built for practicing attorneys.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
12Exact matchSan Francisco, CA, United StatesHQ recorded Sep 14, 20261-107 contacts →

Exact match

“AlphaLit is a San Francisco–based legal technology company that uses voice AI and algorithmic scoring of fact patterns to identify, conduct intake on, and evaluate legal claims at…”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
13Exact matchSan Francisco, CA, United StatesHQ recorded Sep 14, 202611-506 contacts →

Exact match

“A team of engineers and lawyers who have created Agent Marko.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
14Exact matchSan Francisco, CA, United StatesHQ recorded Sep 14, 202611-506 contacts →

Exact match

“Maxime is a private large language model interface for law firms.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
15Exact matchSan Francisco, CA, United StatesHQ recorded Sep 14, 20261-106 contacts →

Exact match

“TrialBase is a technology-driven legal services company focused on modern litigation support.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
16Exact matchSan Francisco, CA, United StatesHQ recorded Sep 14, 20261-106 contacts →

Exact match

“Full‑stack AI platform for personal‑injury & mass‑tort litigation, delivering “law‑firm” results without the law‑firm overhead • No predictable lead flow for PI & MT firms •…”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
17Exact matchSan Francisco, CA, United StatesHQ recorded Sep 14, 20261-106 contacts →

Exact match

“LexText is the AI platform for litigation, built for high-stakes legal work.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
18Exact matchSan Francisco, United StatesHQ recorded Sep 14, 20261-105 contacts →

Exact match

“Making legals simple.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
19Exact matchSan Francisco, CA, United StatesHQ recorded Sep 14, 20261-104 contacts →

Exact match

“Transform your legal research experience with our AI-driven access to millions of legal decisions from federal and state courts.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
20Exact matchSan Francisco, CA, United StatesHQ recorded Sep 14, 20261-104 contacts →

Exact match

“Focus on crafting a brilliant argument and leave the rest to us.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
21Exact matchSan Francisco, CA, United StatesHQ recorded Sep 14, 202611-504 contacts →

Exact match

“Legal-ease, Simplified Cimphony integrates AI with dedicated legal specialists to deliver unparalleled quality with speed.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase

Showing 21 of 52 AI legal assistant software companies based in San Francisco, United States

See the full list, filter by size, metro and specialty, and access 1,214 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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AI legal assistant software companies based in San Francisco, United States at a glance

As of Sep 14, 2026
47.6%Verified-email coverage
38.7%Mobile-number coverage
49.1Average contacts per company
1-10Median size (employees)
Sep 14, 2026Page data refreshed

Companies by employee count

1-10
30
11-50
17
51-200
1
201-500
1
501-1,000
3

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 17.0d

Company record updated

Median 51.0d

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 San Francisco, United States whose business descriptions match “AI legal assistant software companies” 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 1,214 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 14, 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.

AI legal assistant software companies 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 “AI legal assistant software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many AI legal assistant software companies are there based in San Francisco, United States?

RevenueBase identified 52 company matches for AI legal assistant software companies associated with San Francisco, 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?

Harvey 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 AI legal assistant software companies?

New York leads the United States with 65 company records, followed by San Francisco (52) and Los Angeles (15).

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 1,214 professional contacts with verified work emails tracked across these 52 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 14, 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.