Company lists · Data refreshed September 2026
Top 25 Litigation support law firms based in the United States
RevenueBase identified 1,035 litigation support law firms headquartered in the United States as of September 2026 and tracks 35,046 professional contacts across them, including 16,233 with verified work emails. New York is the largest hub.
This list covers litigation support law firms 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 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.
The 25 largest litigation support law firms based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 6,335 contacts → | ||||
Partial evidence “Epiq, a global technology-enabled services leader to the legal industry and corporations, takes on large-scale, increasingly complex tasks for corporate counsel, law firms, and…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 2 | 3,406 contacts → | ||||
Indirect evidence “Consilio stands as the global leader in eDiscovery, document review, flexible legal talent, and legal advisory & transformation consulting services.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 3 | 1,198 contacts → | ||||
Partial evidence “KLDiscovery provides technology-enabled services and software to help law firms, corporations, government agencies and consumers solve complex data challenges.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 4 | 1,043 contacts → | ||||
Indirect evidence “Lighthouse is a global leader in eDiscovery, digital forensics, AI-driven analytics, and legal intelligence solutions, empowering legal teams, corporate counsel, and global brands…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 5 | 1,043 contacts → | ||||
Partial evidence “QuisLex is an award-winning alternative legal services provider (ALSP) helping corporate legal departments and law firms manage risk, control cost, and drive efficiency across…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 6 | 873 contacts → | ||||
Indirect evidence “Morae Global Corporation ("Morae") is trusted around the world for the delivery of digital and business solutions for a constantly changing legal industry.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 7 | 768 contacts → | ||||
Indirect evidence “For legal, insurance, and corporate leaders responsible for vital outcomes, Lexitas delivers highly responsive professional services paired with powerful technology to help move…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 8 | 712 contacts → | ||||
Strong evidence “DISCO is a litigation technology company that helps top law firms and corporations take on their biggest cases.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 9 | 675 contacts → | ||||
Indirect evidence “U.S.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 10 | 606 contacts → | ||||
Indirect evidence “Knobbe Martens protects the ideas that drive innovation and propel our world forward.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 11 | 538 contacts → | ||||
Indirect evidence “Everlaw keeps legal teams one step ahead of the growing demands of ediscovery by transforming how they discover the truth.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 12 | 537 contacts → | ||||
Partial evidence “Founded in 1998, DTI is an industry leading legal process outsourcing (LPO) company serving law firms and corporations around the world.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 13 | 514 contacts → | ||||
Partial evidence “MG+M is a national litigation firm with deep expertise in a wide range of practice areas.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 14 | 500 contacts → | ||||
Strong evidence “Magna Legal Services provides end-to-end legal support services to law firms, corporations and governmental agencies throughout the nation.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 15 | 492 contacts → | ||||
Indirect evidence “Reveal helps legal professionals solve complex discovery problems.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 16 | 443 contacts → | ||||
Indirect evidence “At Special Counsel, we are a leading provider of legal consulting, attorney recruiting, legal talent, legal technology and eDiscovery solutions, with a growing international…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 17 | 367 contacts → | ||||
Partial evidence “IMS Legal Strategies is a trusted partner to law firms and corporations worldwide, providing the expertise and technology needed to elevate case strategies and overcome…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 18 | 344 contacts → | ||||
Partial evidence “First Legal is the first comprehensive File Thru Trial™ solutions firm providing a single-source approach that enables us to simplify the litigation process for our clients.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 19 | 293 contacts → | ||||
Strong evidence “Array is a leading end-to-end eDiscovery and litigation technology provider, supporting legal teams globally with 30+ years of proven expertise.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 20 | 251 contacts → | ||||
Indirect evidence “JND Legal Administration ("JND") is a premier legal management and administration company led by veterans of the industry – Jennifer Keough, Neil Zola and David Isaac – who bring…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 21 | 237 contacts → | ||||
Indirect evidence “The MCS Group, Inc, a certified Women’s Business Enterprise, is a nationally-recognized provider of outsourcing services.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 22 | 236 contacts → | ||||
Partial 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 28, 2026Thanks. The Data Team will review it. | |||||
| 23 | 232 contacts → | ||||
Indirect evidence “Founded in 1998, Resolution Economics provides sophisticated economic, statistical, and financial analyses, forensic investigations, forensic technology, dispute advisory, expert…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 24 | 225 contacts → | ||||
Partial evidence “RumbergerKirk provides litigation and counseling services in product liability, commercial litigation, construction, IP litigation, employment, insurance coverage, professional…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 25 | 192 contacts → | ||||
Partial evidence “Dauntless Discovery provides law firm quality eDiscovery services at competitive pricing.” Source: RevenueBase Database · checked Sep 28, 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: litigation support law 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 litigation support law firms.
- Partial evidence
- Its own public description names part of litigation support law firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name litigation support law 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 1,035 litigation support law firms based in the United States
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Litigation support law firms based in the United States at a glance
As of Sep 28, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 1,035 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 litigation support law 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 the United States whose own description of what they do matches “litigation support law 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 litigation support law 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 litigation support law firms, 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, 16,233 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.
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 litigation support law 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 litigation support law firms are there based in the United States?
RevenueBase identified 1,035 litigation support law firms 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?
EPIQ, headquartered in New York, tops this list with the largest team on record.
Which city has the most litigation support law firms?
New York leads with 68 headquartered companies, followed by Houston (49) and Chicago (41).
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 16,233 verified decision-maker contacts tracked across these 1,035 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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Litigation support law firms by geography
- Litigation support law firms based in Chicago, United States
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- Litigation support law firms based in New York, United States
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- Litigation support law firms based in Canada
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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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