Top 5 Preventable Causes of Accounting E&O Insurance Claims

June 20, 2025

Preventable Accountant E&O Claims

Top 5 Preventable Causes of Accounting E&O Insurance Claims

  1. Missed Deadlines (e.g., tax filings or audits)
    Cause: Overlooked due dates or mismanaged calendars.
    Prevention: Implement dual docket controls and automated reminders. Cross-check deadlines with clients and confirm receipt of all necessary documents.
  2. Failure to Communicate Clearly
    Cause: Misunderstandings about scope, deliverables, or changes in tax law.
    Prevention: Use engagement letters that clearly define services. Document all client communications and confirm major decisions in writing.
  3. Incorrect Tax Advice or Misinterpretation of Regulations
    Cause: Misapplying tax codes or overlooking recent changes.
    Prevention: Stay current with continuing education and subscribe to trusted tax law updates. When in doubt, consult a specialist or legal counsel.
  4. Data Entry or Calculation Errors
    Cause: Manual mistakes in financial statements or returns.
    Prevention: Use reliable accounting software with built-in checks. Have a second set of eyes review critical outputs—especially for high-stakes filings.
  5. Conflict of Interest or Breach of Confidentiality
    Cause: Representing clients with competing interests or mishandling sensitive data.
    Prevention: Maintain a robust conflicts-check system and enforce strict data security protocols. Regularly train staff on confidentiality and ethics.

Accounting Errors & Omissions Claims isn’t just about making a mistake, it’s about systems, habits, and culture. A strong errors & omissions insurance policy (APL) is critical, but risk prevention begins with the daily choices inside the firm.

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Lee E Norcross

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Lee Norcross, MBA, CPCU
California License # 0D87292
    L Squared Insurance Agency, LLC ® DBA in California as L2 L Squared Insurance Agency, License # 0L93416
Managing Director, CEO
Lee@L2Ins.com
616-726-7080

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