• Liability limits from $100,000 to $10 million
  • Your partners, officers, directors, associates, employees and independent contractors are covered for professional services rendered on your behalf
  • Prior acts coverage for qualified firms
  • Choice of deductibles
  • Pre-claim assistance
  • Cyber risk extension available
  • Ability to reduce your premium with CPA Excellence Rewards

CPA Excellence Rewards can help firms improve quality control & save on premiums

CPA NetProtect PRIME®

  • Online Policyholder Resource Center – 30+ sample engagement letters, practice guides, timely risk alerts, and more
  • CNA’s Risk Management Assistance Line – consult with an experienced CPA       
  • Risk Management Training3 – earn up to a 10% premium credit and CPE credit 

1CPA NetProtect PRIME® is offered for an additional premium.
2AICPA Accountants Professional Liability Rate Study, March 31, 2017 (examining data from 2007-2016).
3Fee applies.

Aon Insurance Services is the brand name for the brokerage and program administration operations of Affinity Insurance Services, Inc., a licensed producer in all states (TX 13695); (AR 100106022); in CA & MN, AIS Affinity Insurance Agency, Inc. (CA 0795465); in OK, AIS Affinity Insurance Services Inc.; in CA, Aon Affinity Insurance Services, Inc., (CA 0G94493), Aon Direct Insurance Administrators and Berkely Insurance Agency and in NY, AIS Affinity Insurance Agency.

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 registered trademark of CNA Financial Corporation. Certain CNA Financial Corporation subsidiaries use the "CNA" trademark in connection with insurance underwriting and claims activities. Copyright ©2021 CNA. All rights reserved.

Business Interruption and Extra Expense

Business Interruption affords coverage for loss of business (net) income that would have been earned during the period of restoration resulting from an exploit causing network impairment.

Extra Expense affords coverage for reasonable and necessary expenditures in excess of normal operating expenses incurred during the period of restoration resulting from an exploit causing network impairment.

Data Restoration (Loss or damage to your network) affords coverage, after an exploit causing network impairment, to restore your network or data on the network to as close to its condition prior to the attack.

Regulatory Fines and Penalties

Offers a separate limit that does not erode your professional liability policy limit, for certain fees and legal expenses associated with a regulatory investigation, as well as for certain fines and penalties imposed for a violation of privacy breach notification laws. Coverage varies by state.

Network Damage Claim Coverage  

Coverage for claims brought by third parties whose computer networks and information may have been damaged by a wrongful act that resulted in a security breach of the firm’s network. Coverage is provided for wrongful acts by owners, partners and employees of the firm, as well as by ‘rogue employees.’  Includes Extortion Coverage to assist with ransomware attacks.

Privacy Event Expense Coverage 

Helps pay for expenses associated with a data breach, including notification costs, credit monitoring, public relations assistance, legal expenses, and forensic services.

When you add this cyber liability endorsement to your policy, you receive the following significant coverage extensions:3

Did You Know?


of claims in 2017 involved CPA firms who failed to use an annual engagement letter2   


is the average cost to resolve a consulting professional liability claim3   


is the average cost to resolve an audit professional liability claim3   

CPA Excellence Rewards

You save up to:

Use of Engagement Letters


Risk Management Training Attendance


AICPA Audit Quality Centers and Private Companies Practice Section (PCPS) Membership


Positive Peer Review


Claims-free experience

5% - 15%

Longevity Credit (beginning on First Anniversary)

3% - 13%

Enrolled firms have unlimited access to these valuable CNA Risk Management Resources:

  • Lunch and Learn Webinars – earn complimentary CPE credit    
  • Online Education Center – a library of case studies and articles at your fingertips

See how affordable it can be to get best-in-class professional liability insurance for your CPA firm. 

Grow your firm in a safe, smart way with educational resources that help reduce your exposures and avoid the stress of a potential claim, so you can succeed in business!

  • Guidance to help you establish quality controls to mitigate risks to your firm
  • Unlimited access to CNA's Risk Management Assistance Line - consult with an experienced CPA
  • Advocacy on your behalf as an AICPA member
  • Premium credits for loyalty when you renew with the program - every year after your first renewal
  • Access to exclusive risk management resources and tools

Questions? Call 1.800.221.3023, Monday – Friday, 8:30 am – 6:00 pm ET to speak with an AICPA Risk Advisor.

Note: CPA Excellence Rewards apply to qualifying firms in the form of premium credits.


Questions? Call 1.800.221.3023, Monday – Friday, 8:30 am – 6:00 pm ET to speak with an AICPA Risk Advisor.