Company lists · Data refreshed September 2026

Top 16 Litigation consulting firms based in Washington, United States

RevenueBase identified 37 litigation consulting firms headquartered in Washington, United States as of September 2026 and tracks 2,090 professional contacts across them, including 1,281 with verified work emails. New York is the largest hub.

This list covers litigation consulting firms headquartered in Washington, 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, how directly it supports the match, 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 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 HQ checked on every row Match evidence on every row Refreshed Sep 4, 2026 86% judged on-target in blind review
37Companies
2,090Contacts tracked
1,281Verified emails
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The 16 largest litigation consulting firms based in Washington, United States

Ranked by team size
Top 16 of 37 litigation consulting firms based in Washington, United States, ranked by team size, largest first. Data refreshed Sep 4, 2026. Evidence rates how directly each company's own description names litigation consulting firms: strong (names it), partial (names part of it), indirect (matched on its full profile rather than the summary shown). Click a count to unlock that company's people.
#CompanyHeadquartersEmployeesContacts
1
Idiscovery SolutionsPartial evidence
Washington, DC, United StatesHQ checked Sep 4, 202611-5060

“iDS is a strategic consulting, technology, and expert services firm.”

Source: company website · checked Sep 4, 2026
2
Economists IncorporatedPartial evidence
Washington, DC, United StatesHQ checked Sep 4, 202651-20034

“Secretariat Economists is a premier economic consulting firm in the fields of law and economics, public policy, and business strategy.”

Source: company website · checked Sep 4, 2026
3
Digital Evidence GroupPartial evidence
Washington, DC, United StatesHQ checked Sep 4, 2026201-50031

“Based in Washington, DC, Digital Evidence Group is a global provider of litigation support services.”

Source: company website · checked Sep 4, 2026
4
Alderson Court ReportingIndirect evidence
Washington, DC, United StatesHQ checked Sep 4, 202611-5020

“From eDiscovery, Managed Review and Court Reporting (including Concise® Deposition Digesting, video synchronization, and digital video services) to Legal Staffing and…”

Source: company website · checked Sep 4, 2026
5
Quadrant EconomicsIndirect evidence
Washington, DC, United StatesHQ checked Sep 4, 202611-5014

“Our diverse team of researchers prepares expert reports for International Arbitration cases supporting clients around the world.”

Source: company website · checked Sep 4, 2026
6Washington, DC, United StatesHQ checked Sep 4, 202611-5011

“At ExpertConnect Litigation Support, we partner with leading Law360 law firms and Fortune 500 legal teams to deliver the industry's most rigorously prescreened expert witnesses.”

Source: company website · checked Sep 4, 2026
7
EX Parte, INCIndirect evidence
Washington, DC, United StatesHQ checked Sep 4, 202611-5010

“Win by Design, Not by Chance.”

Source: company website · checked Sep 4, 2026
8Washington, DC, United StatesHQ checked Sep 4, 202611-506

“Our professionals have focused our careers upon becoming functionally excellent in the fields of accounting and finance.”

Source: company website · checked Sep 4, 2026
9
Fields HAN Cunniff PllcPartial evidence
Washington, DC, United StatesHQ checked Sep 4, 20261-106

“Fields Han Cunniff PLLC takes an innovative litigation approach that includes: extremely selective client selection; assembling a team of litigators, litigation funders…”

Source: company website · checked Sep 4, 2026
10Washington, DC, United StatesHQ checked Sep 4, 202611-505

“For over 40 years, SLA principals have provided quantitative securities analysis and investor suitability and supervision analysis to clients involved in arbitrations, regulatory…”

Source: company website · checked Sep 4, 2026
11Washington, DC, United StatesHQ checked Sep 4, 20261-105

“Ellerman Enzinna Levy is a boutique litigation firm that provides the sophisticated legal representation made possible by decades of experience as partners in some of the world’s…”

Source: company website · checked Sep 4, 2026
12
Criterion Economics, INCIndirect evidence
Washington, DC, United StatesHQ checked Sep 4, 202611-504

“Criterion Economics supplies clients throughout the world with expert economic and financial analysis for complex business, legal, and regulatory challenges.”

Source: company website · checked Sep 4, 2026
13
Precision Economics, LLCIndirect evidence
Washington, DC, United StatesHQ checked Sep 4, 202611-504

“Precision Economics was founded in 2001 with one goal in mind-to become one of the leading economic expert witness companies around the world.”

Source: company website · checked Sep 4, 2026
14
Stratagem Advisors LLCIndirect evidence
Washington, DC, United StatesHQ checked Sep 4, 20261-103

“A boutique consultancy formed by David Dwares and David Perry.”

Source: company website · checked Sep 4, 2026
15
Bienstock PllcPartial evidence
Washington, DC, United StatesHQ checked Sep 4, 20261-103

“A boutique litigation firm focused on insurance coverage, public-policy litigation, class-action claims, and other plaintiff-side matters.”

Source: company website · checked Sep 4, 2026
16
The Caissa Group LLCStrong evidence
Washington, DC, United StatesHQ checked Sep 4, 20261-103

“The Caissa Group LLC is a litigation consulting firm led by Dr.”

Source: company website · checked Sep 4, 2026

Showing 16 of 37 litigation consulting firms based in Washington, United States

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Litigation consulting firms based in Washington, United States at a glance

As of Sep 4, 2026
11-50Median size (employees)
New YorkLargest hub · 100 HQs
Contacts with mobile numbers
Sep 4, 2026Data refreshed

Companies by employee count

1-10
17
11-50
13
51-200
5
201-500
1
501-1,000
1

Email recency for this list is measured across the whole United States list rather than this city, so it is reported there. Company counts and contact totals on this page are exact for Washington, over 37 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 consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and evidence 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 SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Washington, United States whose own description of what they do matches “litigation consulting firms”. Matching reads each company's description, not its industry code or its name.
What we exclude
Companies whose own description does not clearly place them among litigation consulting firms, and records with no verified work email. Companies headquartered outside Washington 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 an evidence 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, 1,281 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 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.

Frequently asked

How many litigation consulting firms are there based in Washington, United States?

RevenueBase identified 37 litigation consulting firms headquartered in Washington, 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?

Idiscovery Solutions, headquartered in Washington, tops this list with the largest team on record.

Which city has the most litigation consulting firms?

New York leads with 100 headquartered companies, followed by Houston (65) and Chicago (63).

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 1,281 verified decision-maker contacts tracked across these 37 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 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.