Company lists · Data refreshed September 2026

Top 25 Discovery consulting firms worldwide

RevenueBase identified 3,030 company matches for discovery consulting firms worldwide as of September 2026 and tracks 33,949 professional contacts across them, including 12,671 with verified work emails. The United States is the largest market and New York the largest hub.

This list covers company matches for discovery consulting firms worldwide, 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 28, 2026. Country and city lists for discovery consulting firms follow the table.

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 28, 2026 How this list was built
3,030Companies
33,949Contacts tracked
12,671Verified emails
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The 25 largest discovery consulting firms worldwide

Ranked by team size
Top 25 of 3,030 company matches for discovery consulting firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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 matchWashington, DC, United StatesHQ recorded Sep 28, 20261,001-5,0003,406 contacts →

Exact match

“Consilio stands as the global leader in eDiscovery, document review, flexible legal talent, and legal advisory & transformation consulting services.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2Exact matchUnited StatesHQ recorded Sep 28, 20265,001-10,0003,116 contacts →

Exact match

“To navigate the future with confidence, organizations need to make and act upon the right choices: clear, timely and inspirational choices that deliver growth in a dynamic…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3Exact matchParis, FranceHQ recorded Sep 28, 20261,001-5,0001,577 contacts →

Exact match

“In a world that too often follows currents, Abylsen has been opening itself up to new directions.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4Exact matchSan Francisco, CA, United StatesHQ recorded Sep 28, 2026501-1,0001,248 contacts →

Exact match

“At Cornerstone Research, we attribute our success to a unique combination of resources: a creative and energetic staff, cutting-edge technology and research, and our work with…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5Exact matchEden Prairie, MN, United StatesHQ recorded Sep 28, 20261,001-5,0001,198 contacts →

Exact match

“KLDiscovery provides technology-enabled services and software to help law firms, corporations, government agencies and consumers solve complex data challenges.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6Exact matchNew York, NY, United StatesHQ recorded Sep 28, 2026501-1,000765 contacts →

Exact match

“The Vertex Companies, LLC is a global consulting firm that provides strategic advisory, project management, and dispute resolution services for organizations that face complex…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7Exact matchOakland, CA, United StatesHQ recorded Sep 28, 2026501-1,000538 contacts →

Exact match

“Everlaw keeps legal teams one step ahead of the growing demands of ediscovery by transforming how they discover the truth.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 28, 2026501-1,000500 contacts →

Exact match

“Magna Legal Services provides end-to-end legal support services to law firms, corporations and governmental agencies throughout the nation.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9Exact matchJacksonville, FL, United StatesHQ recorded Sep 28, 2026201-500443 contacts →

Exact match

“At Special Counsel, we are a leading provider of legal consulting, attorney recruiting, legal talent, legal technology and eDiscovery solutions, with a growing international…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchNew York, NY, United StatesHQ recorded Sep 28, 2026201-500423 contacts →

Exact match

“Keystone is an innovative strategy, economics, and technology consulting firm delivering transformative ideas and novel solutions to global brands and law firms on leading-edge…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11Exact matchDallas, TX, United StatesHQ recorded Sep 28, 2026201-500367 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Sep 28, 2026201-500347 contacts →

Exact match

“At Iota Analytics we’re bringing together the very best of tech and consulting to serve law firms, legal counsels and intellectual property managers.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13Exact matchAustin, PA, United StatesHQ recorded Sep 28, 202651-200293 contacts →

Exact match

“Array is a leading end-to-end eDiscovery and litigation technology provider, supporting legal teams globally with 30+ years of proven expertise.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchUnited StatesHQ recorded Sep 28, 202610001+262 contacts →

Exact match

“Conduent is the world's largest pure-play business process services leader.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 28, 2026501-1,000237 contacts →

Exact match

“The MCS Group, Inc, a certified Women’s Business Enterprise, is a nationally-recognized provider of outsourcing services.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16Exact matchLos Angeles, CA, United StatesHQ recorded Sep 28, 2026201-500232 contacts →

Exact match

“Founded in 1998, Resolution Economics provides sophisticated economic, statistical, and financial analyses, forensic investigations, forensic technology, dispute advisory, expert…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17Exact matchLisbon, PortugalHQ recorded Sep 28, 2026201-500230 contacts →

Exact match

“LCG provides consulting services, using their multidisciplinary skills in the areas of strategic and operational management, information systems, management support, business…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchLos Angeles, United StatesHQ recorded Sep 28, 2026201-500222 contacts →

Exact match

“ProSearch is a leading provider of comprehensive discovery solutions to corporate legal departments and law firms, empowering them to better manage their portfolio of matters for…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19Exact matchNorth Kansas City, United StatesHQ recorded Sep 28, 2026201-500218 contacts →

Exact match

“Data-Focused Discovery Lineal is an innovative eDiscovery and legal technology solutions company and empowers law firms and corporations with modern data management and review…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchMumbai, IndiaHQ recorded Sep 28, 202651-200209 contacts →

Exact match

“Native connects people and organisations so that they grow effortlessly.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21Exact matchUnited StatesHQ recorded Sep 28, 2026501-1,000196 contacts →

Exact match

“Esquire, an Alexander Gallo Holdings Company, offers a service area for each stage of litigation - staffed with specialists dedicated to their field.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22Exact matchRaleigh, NC, United StatesHQ recorded Sep 28, 2026501-1,000192 contacts →

Exact match

“Dauntless Discovery provides law firm quality eDiscovery services at competitive pricing.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 28, 2026201-500190 contacts →

Exact match

“For over 30 years, Reliable has been the trusted and cost-effective services provider to leading law firms, corporations, and other businesses throughout the United States.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24Exact matchHouston, TX, United StatesHQ recorded Sep 28, 2026201-500189 contacts →

Exact match

“Founded in 1985, the Marker Group is the nation’s most trusted name in record collection, medical review, data analysis, and many other litigation support services.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25Exact matchNovi, MI, United StatesHQ recorded Sep 28, 202651-200182 contacts →

Exact match

“TRANSFORMING INFORMATION INTO INTELLIGENCE NITS Solutions unlocks what you already know.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

Showing 25 of 3,030 discovery consulting firms worldwide

See the full list, filter by size, metro and specialty, and access 12,671 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Discovery consulting firms worldwide at a glance

As of Sep 28, 2026
37.3%Verified-email coverage
11.2Average contacts per company
1-10Median size (employees)
2.5%Largest-city concentration · New York
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
2,149
11-50
632
51-200
170
201-500
47
501-1,000
17
1,001-5,000
10
5,001-10,000
2
10001+
3

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for discovery consulting firms are linked below.
What qualifies
Company records worldwide whose business descriptions match “discovery consulting firms” 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. 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 12,671 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 28, 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.

Discovery consulting firms by location

23 lists · largest first

Every Discovery consulting firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “discovery consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many discovery consulting firms are there worldwide?

RevenueBase identified 3,030 company matches for discovery consulting firms worldwide 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?

Consilio LLC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most discovery consulting firms?

The United States leads with 1,250 companies, followed by the United Kingdom (135) and India (105). Every discovery consulting firms list by country and city is linked on this page.

Which city has the most discovery consulting firms?

New York leads with 75 company records, followed by London (70) and Los Angeles (39).

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 12,671 professional contacts with verified work emails tracked across these 3,030 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 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 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.