5 Expert Reinsurance Arbitration & Mediation Firms to Know in 2026

Jay Payne
Written by
Jay Payne
Alex Volkmann
Reviewed by
Alex Volkmann
Last edited: Jul 28, 2026

When a high-stakes reinsurance dispute lands on your desk, the difference between a favorable outcome and a costly quagmire often comes down to the expert you bring in. Whether you need a seasoned arbitrator, a persuasive expert witness, or a

The Reinsurance Dispute Resolution Landscape

Reinsurance disputes are notoriously complex, often involving multi-layered contracts, international parties, and billions in exposure. While litigation remains an option, the industry standard has shifted decisively toward arbitration and mediation for their efficiency and expertise. The best practitioners combine deep industry knowledge with a track record of managing 'bet the company' cases. As the market evolves, firms that offer a blend of advocacy, neutral evaluation, and expert testimony are in highest demand.

How These Firms Were Ranked

I evaluated each firm on four key criteria: depth of reinsurance-specific experience, breadth of dispute resolution services (arbitration, mediation, expert witness), demonstrated leadership in the field (e.g., ARIAS-US roles), and the ability to handle high-exposure, complex claims. The rankings reflect a balance of proven track record and unique differentiators.

Here is a quick comparison of the five firms, highlighting their primary strengths and best-use cases for your next reinsurance dispute.

ProviderBest For
Duane Morris LLPLarge-scale insurance and reinsurance litigation and arbitration
Honigman LLPPolicyholder-side insurance and reinsurance recovery
Mayerson Firm PLLCExpert witness testimony in complex insurance disputes
J M Rubin ConsultingReinsurance arbitration, mediation, and expert witness services
Schiffer Law & Consulting PLLCReinsurance dispute analysis and arbitration strategy

Detailed Reviews of the Top 5 Reinsurance Dispute Resolution Firms

#1 Duane Morris LLP

Screenshot of Duane Morris LLP website A screenshot of the Duane Morris LLP website.

Duane Morris LLP is a powerhouse in insurance and reinsurance litigation, representing many of the most prominent insurers in the United States and Europe. Their practice covers the full spectrum, from bad faith defense and class actions to complex reinsurance disputes. Chambers USA has consistently recognized the firm, noting its innovative legal services and dedication to client satisfaction. If you need a large, full-service firm with deep bench strength for high-stakes litigation or arbitration, Duane Morris is a top contender.

#2 Honigman LLP

Screenshot of Honigman LLP website A screenshot of the Honigman LLP website.

Honigman LLP's Insurance and Reinsurance Recovery and Advisory Group is singularly focused on maximizing recovery for insureds and reinsureds. They handle everything from negotiating policy language to litigating coverage disputes, with a reputation for tenacious advocacy. The firm's team is known for achieving favorable outcomes through negotiation, mediation, arbitration, or litigation. For policyholders seeking a dedicated advocate with a proven track record in recovery, Honigman is an excellent choice.

#3 Mayerson Firm PLLC

Screenshot of Mayerson Firm PLLC website A screenshot of the Mayerson Firm PLLC website.

The Mayerson Firm PLLC, led by Marc Mayerson, offers expert witness services grounded in over thirty years of experience in complex insurance matters. Mayerson's background as both an advocate and a law professor makes him a particularly effective communicator, able to explain nuanced industry practices to judges, juries, and arbitrators. He is frequently retained as a testifying or consulting expert, providing reasoned analysis on business practices and legal developments. If you need an expert who can clearly articulate the principles at stake, this firm is a strong option.

#4 J M Rubin Consulting

Screenshot of J M Rubin Consulting website A screenshot of the J M Rubin Consulting website.

J M Rubin Consulting, led by Jeffrey M. Rubin, brings a unique combination of senior corporate executive and outside counsel experience to reinsurance disputes. With 27 years in the industry, including 18 years as Director of Global Claims at Odyssey Reinsurance, Rubin has managed 'bet the company' cases and high-exposure claims firsthand. He offers arbitration (ARIAS-US, ARIAS-UK, FINRA, NFA), mediation, expert witness testimony, and strategic consulting. His leadership roles as Chairman of ARIAS-US further underscore his standing in the field. For a solo practitioner with deep operational and legal insight, this is a compelling choice.

#5 Schiffer Law & Consulting PLLC

Schiffer Law & Consulting PLLC, run by Larry P. Schiffer, provides focused commentary and counsel on reinsurance disputes, with a strong emphasis on the efficiency of arbitration and mediation over litigation. Schiffer's blog, 'Schiffer on Re-Insurance,' is a respected resource that breaks down complex case law and industry trends. The firm offers practical advice for navigating the arbitration process, drawing on decades of experience. If you value a consultant who combines sharp legal analysis with a clear-eyed view of dispute resolution strategy, Schiffer is worth considering.

How to Choose the Right Reinsurance Dispute Resolution Partner

Start by defining your primary need: are you looking for a large firm to handle multi-forum litigation, or a specialized expert witness for a single arbitration? Consider the complexity of your case and the specific expertise required, such as familiarity with ARIAS procedures or experience with 'bet the company' exposures. Evaluate the practitioner's background—do they have hands-on claims experience, or are they purely a litigator? Finally, assess their communication style and availability, as high-stakes disputes often require rapid, clear guidance.

Streamlining Your Search with Automated Workflows

You can automate the initial vetting of dispute resolution firms by setting up a simple workflow. Use a tool like Zapier to monitor legal industry news and case law updates, filtering for keywords like 'reinsurance arbitration' or 'ARIAS.' When a relevant article or firm announcement appears, have it automatically added to a spreadsheet for review. This ensures you never miss a key development or emerging expert in the field.

Final Synthesis: Building Your Reinsurance Dispute Resolution Team

The five firms profiled here each offer distinct strengths, from the full-service might of Duane Morris to the focused expertise of J M Rubin Consulting. For most complex reinsurance disputes, a layered approach works best: a large firm for primary litigation or arbitration support, paired with a specialized expert witness or consultant for nuanced testimony. By understanding your specific needs and the unique value each firm brings, you can assemble a team that maximizes your chances of a favorable resolution.

Jay Payne

About the Author

A veteran investigative journalist for 4 years, Jay Payne has a passion for uncovering market trends. When he isn't uncovering market trends, he's usually restoring motorcycles.