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Treaty Reinsurance

Treaty Reinsurance

Aon’s treaty reinsurance solutions address your underwriting and capital objectives on a portfolio level, allowing you to more effectively manage the combination of premium growth, return on capital and rating agency interests.

Our experts are aligned with industry and product groups to ensure that our dedicated expertise best meet your specific needs. In each group, our client-focused specialists use industry experience, advanced analytics, capital market products and strong market relationships to identify markets for clients and support the creation of new capacity to address the changing needs of our clients.

Property & Engineering

Our property & Engineering brokers have expertise in designing, placing and servicing all forms of property reinsurance and possess primary, facultative or treaty reinsurance underwriting experience. We understand your policy-level exposures and develop portfolio exposure management solutions to help you understand how each program benefits your organization.


Onshore, offshore, catastrophe, marine retrocession, as well as transactions surrounding hull and cargo accounts developed largely as a series of niche markets. We recognized the convergence of Marine with the specialty Property business, particularly Retrocession.

Accident & Health

Our experience and product-expertise includes: individual and group accident; health and life reinsurance; surplus relief; financing of new business and in-force block dispositions. A&Hs brokerage services include: proprietary; transparent catastrophe modelling for natural perils and terrorism; dynamic financial analysis; capital adequacy analysis and pandemic modelling.


We provide solutions for all casualty and professional lines of business, including, among others, Directors and Officers, General Liability and Umbrella, Healthcare and Workers’ Compensation.


We provide a full array of technical and transactional capabilities, including traditional retrocession agreements, capital market solutions, exposure swaps and original loss warranty transactions. Dedicated and highly experienced Retrocession specialists operate as a single global team, updating you on the latest capital management tools available, as well as demonstrating the most efficient ways to use and evaluate these tools.

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