Litigation & International Arbitration
GlassRatner provides expert support across the full spectrum of litigation and international arbitration matters, including commercial and investor-state disputes. Our multidisciplinary team combines deep expertise in finance, economics, valuation, forensic accounting, construction, and engineering to deliver clear, independent, and defensible analyses in complex, high-stakes proceedings.
Recognized for objective opinions, compelling testimony, and effectiveness under cross-examination, our experts work closely with leading law firms, corporations, and arbitral tribunals worldwide. We are particularly skilled at translating complex technical, financial, and damages issues into clear and persuasive evidence that supports informed decision-making.
Our services span every stage of the dispute process, including:
• Initial case and damages assessments
• Discovery support and data collection
• Identification of key financial and technical issues
• Witness statement development
• Preparation of affirmative, rebuttal, and joint expert reports
• Analysis of complex commercial disputes
• Demonstrative exhibit preparation
• Cross-examination support
• Expert testimony
In commercial arbitration, GlassRatner tailors analyses to the specific procedural, evidentiary, and legal requirements of each matter. Our professionals have extensive experience in proceedings conducted under AAA, ICDR, ICC, LCIA, SIAC, ICSID, and UNCITRAL rules, ensuring reports and testimony align with tribunal expectations and forum-specific requirements.
For investor-state disputes, we provide independent economic, financial, technical, and valuation analyses relating to alleged treaty breaches and complex international claims. Our experts develop robust damages assessments, defensible methodologies, and cross-examination-ready reports that support tribunals in reaching informed decisions.
Core service areas include:
• Expert Witness and Dispute Support
• International Arbitration and Treaty Disputes
• Quantum and Damages Advisory
• Construction Claims and Delay Analysis
• Forensic Accounting and Investigations
• Financial and Commercial Analysis
By integrating multiple disciplines within a single advisory platform, GlassRatner delivers comprehensive, credible, and strategic solutions that help clients and counsel navigate complex litigation and arbitration matters with confidence.