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Expert Witness Services
Your direct line to high-quality experts who bring credible authority and real-world experience to the stand.
How our experts strengthen your litigation strategy
Bring authoritative perspective to your case with expert witness services designed for the entire litigation lifecycle.
Early stage strategy
Expose hidden operational liabilities or internal procedure gaps with firsthand insight into the issues at hand.
Reports, deposition, and rebuttal
Craft strong, clear arguments, and confidently deconstruct the opposition's narrative.
Trial testimony
Provide direct experience and defensible credibility as a witness on the stand.
Why top law firms use GLG for Expert Witness search
Industry leading matching and expert data helps you save time during the review process so that you can secure the best experts confidently and efficiently.
Access niche expertise
Go beyond standard resources to build a specialized expert team and infuse authority into your case.
Spend less time finding and assessing candidates
We lead the expert witness referral industry in suggesting precise matches for you to interview and consider.
Give your teams more time to focus on high-value work
We handle logistics like expert identification, contracts, and billing so you can focus on your case.
How it works
Brief GLG
Share the specifics of what you need with the GLG team. We'll discuss the expertise needed, timeline, and budget.
Expert recommendations
Within 1-2 days, and with your unique timeline front of mind, we'll custom recruit and identify the best fits to share back with you.
Screen experts
We provide a complimentary screening call so that you can confidentially and confidently determine how to proceed.
Manage the engagement
We support the expert's work, billing, and payments throughout the lifecycle of the matter, taking that off of your plate.
Start your Expert Witness search
Ready to find the best expert witness for your case? Submit your case details and our team will contact you with qualified candidates.
Get started with GLG:
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Frequently asked questions
What expert witness services does GLG provide for law firms?
GLG custom-recruits and delivers a shortlist of trial-ready expert witness candidates within 24 to 48 hours. The search is free to initiate, and GLG handles expert identification, conflict screening, engagement management, and billing throughout the matter freeing your team for high-value strategy and billable work.
Is there an up-front cost to start a expert witness search?
Searches with GLG are entirely complimentary, covering the screening, vetting, and possible recruitment of experts outside our membership. Should you move forward with one of our experts, you will pay the expert’s hourly rate, which is inclusive of GLG’s fee. Additionally, we serve as the billing and invoicing platform. If you were to start a search with us and end up not needing an expert, the search would be at no cost or obligation to you.
How quickly can GLG deliver expert witness candidates?
GLG typically provides an initial shortlist of precision-matched candidates within 1 to 2 days of receiving case details. A complimentary screening call lets you confidentially confirm fit before any commitment is made.
How does GLG find expert witnesses for highly specialized or niche cases?
GLG pairs 25+ years of proprietary data with AI-enabled workflows and a dedicated recruitment team that grows the network daily. Rather than relying on a standard rolodex, GLG custom-recruits to the specific requirements of your case sourcing industry veterans, academics, and key opinion leaders across all major practice areas. We’ll help find just the right expert to meet your unique requirements.
Where are your experts located?
Our network is global and growing, spanning more than 230 countries and territories and virtually every industry function. If you have any specific geographic requirements for your case, please let us know in our kickoff call and we will be sure to incorporate it into your search.
What practice areas does GLG support for litigation?
GLG supports expert witness searches across a wide range of practice areas including intellectual property and tech disputes, pharmaceutical and life sciences, finance and securities, commercial litigation, corporate and antitrust, regulatory and compliance (FDA, energy, environmental), labor and employment, ERISA, data privacy, media and telecom, real estate, and healthcare regulatory matters.
How does GLG support early case strategy for law firms?
Before trial, GLG connects attorneys with niche practitioners who can expose operational liabilities, identify internal procedure gaps, and pressure-test hypotheses against real-world experience to help shape initial filings and sharpen case theory from the start.
How does GLG screen and verify expert witnesses?
GLG's multi-layered screening process combines identity verification, checks against third-party data sources, and proprietary behavioral data to ensure every expert meets professional compliance standards protecting your firm and clients from risk before any engagement begins.
Does GLG work with individuals without representation?
We typically do not work with pro se parties; please have an attorney of record reach out to us if you need an expert witness.