Accountants and CPAs hold a position of extraordinary trust — clients rely on your work to stay compliant with tax law, make sound financial decisions, and protect their assets. When an error in your work costs them money, the professional liability claim follows.
Professional Liability (E&O)
Professional liability is the cornerstone of accounting firm insurance:
- Tax preparation errors: Missed deductions, incorrect filings, late submissions
- Audit failures: Failed to identify material misstatements or fraud
- Bookkeeping errors: Incorrect financial records leading to bad business decisions
- Advisory mistakes: Financial planning, business structuring, or tax strategy errors
- Missed deadlines: Late tax filings, missed extension deadlines
- Regulatory non-compliance: Failing to comply with accounting standards
Claims-made basis: Like most professional liability, accountant E&O is written on a claims-made basis. If you switch carriers or retire, tail coverage protects against claims from past work.
Cyber Liability
Accounting firms are high-value targets for cybercriminals:
- Client SSNs: Identity theft from stolen Social Security numbers
- Bank account data: Direct access to client financial accounts
- Tax returns: Complete financial profiles for identity fraud
- Business financials: Sensitive corporate financial data
- Wire fraud: Business email compromise targeting accounting firms and their clients
Cyber insurance covers breach response, client notification, regulatory fines, and lawsuits.Tax season is peak hacking season for accounting firms.
General Liability
- Client injuries in your office
- Property damage at client locations during on-site work
- Advertising injury claims
Business Owners Policy (BOP)
A BOP bundles GL and property at a discount:
- Office equipment and computers
- Business interruption
- Client records and data reconstruction
- Starting at $500–$1,500/year for small firms
How to Manage Accounting Firm Insurance Costs
- Engagement letters: Clear scope of services, limitations, and disclaimers reduce E&O claims
- Peer review: Second-set-of-eyes review on complex returns and audits
- Cybersecurity: Multi-factor authentication, encrypted file sharing, and security training
- Continuing education: Stay current on tax law changes and accounting standards
- Independent agent: Accounting firm E&O requires specialty markets — an agent with access to CPA-focused carriers finds the best program