Professional Liability Insurance
Premier Plan
Customer Service



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Contact Us:
  • Aon Insurance Services, National Program Administrator
    159 East County Line Road
    Hatboro, PA 19040-1218

    Phone: 1-800-221-3023

    Fax: 1-800-853-5227

    Email a Customer Service Representative

  • 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.

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


One or more of the CNA companies provide the products and/or services described. The information is intended to present a general overview for illustrative purposes only. It is not intended to constitute a binding contract. Please remember that only the relevant insurance policy can provide the actual terms, coverages, amounts, conditions and exclusions for an insured. All products and services may not be available in all states and may be subject to change without notice. CNA is a service mark registered with the United States Patent and Trademark Office. Copyright © 2008 CNA. All rights reserved.

Aon Insurance Services is a division of Affinity Insurance Services, Inc.: in CA, MN & OK, (CA License #0795465) Aon Insurance Services is a division of AIS Affinity Insurance Agency, Inc.; and in NY, AIS Affinity Insurance Agency.


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