Company lists · Data refreshed September 2026
Top 25 Expert witness services based in the United States
RevenueBase identified 470 expert witness services headquartered in the United States as of September 2026 and tracks 3,625 professional contacts across them, including 1,812 with verified work emails. Houston is the largest hub.
This list covers expert witness services 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 19, 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 expert witness services based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 376 contacts → | ||||
Indirect evidence “Envista Forensics is the global leader in providing comprehensive forensic consulting and engineering services.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 2 | 232 contacts → | ||||
Partial 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 19, 2026Thanks. The Data Team will review it. | |||||
| 3 | 181 contacts → | ||||
Strong evidence “Robson Forensic is a national leader in expert witness consulting, providing technical expertise across many fields within engineering, architecture, and science, as well as an…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 4 | 96 contacts → | ||||
Partial evidence “For over 30 years, ARCCA has been providing expert scientific and engineering solutions.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 5 | 70 contacts → | ||||
Indirect evidence “A recognized leader in forensic and financial consulting for more than 60 years.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 6 | 66 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 7 | 64 contacts → | ||||
Indirect evidence “Questions Answered.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 8 | 58 contacts → | ||||
Strong evidence “CED Technologies, Inc.(CED) is a leading engineering company specializing in forensic engineering, accident reconstruction and expert witness services for over 30 years.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 9 | 58 contacts → | ||||
Indirect evidence “MEA Forensic Engineers & Scientists is a multi-disciplinary forensic investigations firm.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 10 | 57 contacts → | ||||
Strong evidence “Forensic accounting, economic damages, valuation and fraud expert witnesses for commercial and personal injury litigation matters and marital dissolution.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 11 | 56 contacts → | ||||
Strong evidence “Capital Project Management, Inc.® (CPMI®) provides expert witness and consulting services to all aspects of the construction industry.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 12 | 50 contacts → | ||||
Indirect evidence “The LitCon Group was formed in 2005, when some senior litigation professionals at a large consulting firm decided to form their own boutique litigation support firm.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 13 | 48 contacts → | ||||
Strong evidence “Versed identifies expert witnesses tailored to your case’s needs.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 14 | 44 contacts → | ||||
Indirect evidence “At National Forensic Consultants, Inc.®, we specialize in multi-disciplinary forensic investigation, offering comprehensive services to the legal, insurance, product…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 15 | 36 contacts → | ||||
Partial evidence “ForensisGroup has over three decades of experience working with the nation's top law firms, insurance agencies, and many other industries.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 16 | 34 contacts → | ||||
Partial evidence “Mednick Associates is a full service consortium of leading medical experts and specialists who advise attorneys on legal matters.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 17 | 33 contacts → | ||||
Partial evidence “Rubin Anders is a premier expert search firm.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 18 | 30 contacts → | ||||
Partial evidence “Ivera Group is an independent forensic accounting and consulting firm delivering specialist expertise across five practice areas-Engineering, Building Consulting, Forensic…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 19 | 29 contacts → | ||||
Strong evidence “Founded in 1984, FORCON International is a Surety, Accounting and Forensic Engineering Consulting Firm, also offering expert witness services.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 20 | 27 contacts → | ||||
Indirect evidence “Founded in 1993, Resolution Management Consultants is a leading consultant for the construction industry, especially in the field of dispute relosution.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 21 | 26 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 22 | 26 contacts → | ||||
Strong evidence “For more than 30 years, American Medical Forensic Specialists (AMFS), has helped attorneys connect with qualified medical expert witnesses across a wide range of specialties and…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 23 | 25 contacts → | ||||
Strong evidence “Logica Ratio is a leading provider of Medical Expert Witness Testimony Services to the legal industry in connection with personal injury litigation.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 24 | 24 contacts → | ||||
Strong evidence “Hudson International has provided a broad range of forensic engineering,expert witness, and surety consulting, services to insurance companies and litigation support since 1981.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 25 | 23 contacts → | ||||
Indirect evidence “Sobel Tinari Economics Group (STEG) is a nationally-recognized team of award-winning economists and analysts that provides high-quality economic consulting services in a wide…” Source: RevenueBase Database · checked Sep 19, 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: expert witness services. 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 expert witness services.
- Partial evidence
- Its own public description names part of expert witness services, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name expert witness services. 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 470 expert witness services based in the United States
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Expert witness services based in the United States at a glance
As of Sep 19, 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 470 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 expert witness services, 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 “expert witness services”. 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 expert witness services), 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 expert witness services, 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, 1,812 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 19, 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 expert witness services, 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 expert witness services are there based in the United States?
RevenueBase identified 470 expert witness services 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?
Envista Forensics, headquartered in Chicago, tops this list with the largest team on record.
Which city has the most expert witness services?
Houston leads with 14 headquartered companies, followed by New York (13) and Los Angeles (12).
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 1,812 verified decision-maker contacts tracked across these 470 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 19, 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.
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