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  • Aon Insurance Services, National Program Administrator
    1100 Virginia Drive, Suite 250
    Fort Washington, PA 19034​
    Phone: 1-800-221-3023 
    Fax: 1-800-853-5227

Aon Insurance Services works closely with a network of Regional Representatives to assist accountants in tailoring professional liability coverage to best fit their needs.


Contact a Regional Representative

Aon Insurance Services, a division of Affinity Insurance Services, Inc., has been the National Administrator for the AICPA Professional Liability Insurance Program since 1974. Aon Insurance Services is part of Aon Corporation, a holding company comprised of a family of insurance brokerage, consulting, and underwriting subsidiaries. As the exclusive broker, marketer, and administrator of AICPA Insurance Programs for more than 30 years, Aon is dedicated to providing broad coverages and superior service to member CPAs nationwide. ​​