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Expert witness services

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We screen expert witnesses in thousands of specialties to find the best expert witness for your case.

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15 average years of experience

15
average years of experience in their fields

We'll search our network of experts

175,000 expert witnesses in all industries

175,000
expert witnesses in all industries

You get a choice of experts

41 years of experience

41
average years of experience in their fields

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Pay a clearly quoted rate when you retain a referred expert

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Request an expert

We’ll conduct a quick but thorough search and deliver a roster of top candidates for you to review. There’s no charge for our search or obligation to retain our experts.

Expert background reports

Our partner, Expert Witness Profiler, offers three different cost-effective report options on experts: a Preliminary Screening Report, an Expert Challenge Study, and an Expert Witness Profile report. Create an account and order your first report here!

Become an expert witness

Make the most of your professional expertise by joining the Thomson Reuters Expert Witness Network. We can help you connect with the cases and law firms that need just the kind of experience and knowledge you offer.

“TREWS has become my go-to source for expert witnesses. They consistently locate experts that have appropriate relevant experience, solid credentials, and the ability to testify and work as part of the trial team. Even when we are looking for someone on a particularly narrow subject matter, TREWS can find the right person.”
Alison Ashmore
Dykema Cox Smith