Find the Right Expert Witness for Your Case
Connect with vetted, credentialed expert witnesses across all specialties. Fast matching, nationwide coverage, trial-tested professionals.
Expert Witnesses by Specialty
We connect attorneys with credentialed experts across all major practice areas.
Medical Expert Witnesses
Board-certified physicians across all specialties including surgery, cardiology, neurology, and more.
Learn moreEngineering Experts
Licensed professional engineers for structural, mechanical, electrical, and civil engineering cases.
Learn moreFinancial Experts
CPAs, forensic accountants, and financial analysts for fraud, valuation, and damages cases.
Learn moreAccident Reconstruction
Certified reconstructionists for vehicle collisions, workplace accidents, and premises liability.
Learn moreDigital Forensics
Cybersecurity and digital evidence experts for IP theft, data breaches, and electronic discovery.
Learn moreConstruction Experts
Licensed contractors and construction managers for defect, delay, and safety cases.
Learn moreHow It Works
From initial request to expert engagement in four simple steps.
Submit Your Case
Tell us about your case requirements, timeline, and the type of expert you need.
Expert Matching
Our team identifies qualified experts from our vetted network within 24-48 hours.
Review Credentials
Receive detailed CVs and case histories. Interview experts at no obligation.
Engage Your Expert
Flexible engagement terms. Your expert provides reports, depositions, and trial testimony.
Trusted by Attorneys Nationwide
See what legal professionals say about working with our expert witnesses.
“Principle Experts matched us with a perfectly qualified medical expert within 24 hours. Their expert's testimony was instrumental in securing a favorable verdict for our client.”
“The caliber of experts in their network is exceptional. We've used them for multiple complex litigation cases and they consistently deliver credentialed, trial-ready professionals.”
“What sets Principle Experts apart is their understanding of what attorneys actually need. They don't just find experts—they find the right expert for your specific case.”
Ready to Find Your Expert Witness?
Tell us about your case and we'll match you with qualified experts within 24-48 hours. No obligation.