Expert Witness Services

Transforming the way lawyers find and engage expert witnesses.

Benefits of an Expert Witness

The right expert witness testimony can provide insights grounded in a deep knowledge of the area of expertise relevant to the case. The right expert can help deliver clear and logical analyses of the evidence and facts presented during litigation, helping to back up your case.

GLG’s Expert Witness Services
GLG is the world’s largest expert witness network with professionals across virtually every sector. Each engagement begins with a discussion between you and our dedicated team to get a full understanding of your specific expert needs. There is no fee for starting an expert witness search with GLG.
Search for Expert Witnesses

Your GLG research manager consults our expert witness directory to identify the best fit for your case. If we don’t already work with the ideal expert, we’ll identify and recruit the right person for you.

Screen Your Experts

GLG sends you the bio, CV, and detailed responses to screening questions for each expert witness we propose. We arrange complimentary screening calls with all proposed experts to validate their expertise.

Retain Experts

Once we have found the right expert witness, GLG handles all billing. You receive one monthly bill. Our experts’ hourly rates include GLG’s facilitation fees; there are no additional costs.

The GLG Difference
Global Reach Traditional Expert Witnesses Process GLG
Global Reach
Traditional Expert Witnesses Process
Law Firm Partners and Associates
Dedicated GLG account
manager and client solutions managers with years of experience identifying the best expert witnesses
Global Reach
Traditional Expert Witnesses Process

  • Client connections

  • Experts from prior cases

  • Google

  • Firm-wide email blast


  • Tailored search of premier network

  • 900,000+ experts

  • Nuanced screening to ensure best fit
Global Reach
Traditional Expert Witnesses Process
Racking up inefficient, often non-billable hours.

High risk of not finding the right expert for the case.
A dedicated team working to find the best expert for every case.

Less time wasted on generic nonbillable searches.
Global Reach
Traditional Expert Witnesses Process
Suboptimal client outcome
Optimized client outcome
GLG Law Can Provide Support Throughout the Litigation Client Life Cycle

Phone calls to get up to speed on prospective client’s business, industry, and challenges.


Follow-up calls to develop nuanced knowledge of case-specific issues.


Begin sourcing expert witnesses to help understand important issues early and box out opposing counsel.

Case Management Conference

Assess desired experts’ availability.

Motion Practice/Answer

Source experts to avoid last-minute rush, ensure availability of top expert witnesses, and box out opposing counsel.

Class Certification

Retain experts to ensure or defeat class certification.

Fact Discovery/Depositions

Source and designate expert witness. Writing of expert reports.

Claim Construction
Expert Discovery & Depositions

Quickly retain and prepare rebuttal witnesses.

Dispositive Motions

Expert witness testimony. Settlement analysis.

Top Legal Firms Around the World Rely on GLG Law and Our Expert Witness Services
75% of the AmLaw 100
Top In-House Legal Departments
Hundreds of Law Firms Globally

Our global Council Member network includes more than 900,000 top professionals across all geographies and industries


Health Care Experts


Technology, Media & Telecom Experts


Energy & Industrial Experts


Consumer Goods & Services Experts


Business Services & Financial Experts


Economic, Regulatory Affairs & Legal Experts


Real Estate Experts


Financial Analysis & Accounting Experts


North America


Latin America





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Contact Us

For immediate assistance, call us now at 212-880-6590 (U.S.) or email, or simply complete the form below to be contacted.

Thank you for contacting GLG, someone will respond to your inquiry as soon as possible.