Key Takeaways

  • Professional liability (E&O) covers claims arising from professional services—NEGLIGENCE, errors, and omissions in professional work
  • Coverage is typically written on a CLAIMS-MADE basis, requiring the claim to be made during the policy period (not when the error occurred)
  • D&O (Directors and Officers) protects corporate leaders from personal liability for management decisions
  • EPL (Employment Practices Liability) covers claims from employees: wrongful termination, discrimination, harassment, retaliation
  • Cyber liability covers data breaches, ransomware, and network security failures—the fastest-growing professional liability line
Last updated: December 2025

Professional Liability Insurance

What is Professional Liability?

Professional liability (also called Errors & Omissions or E&O) insurance covers claims arising from professional services. Unlike general liability which covers bodily injury and property damage, professional liability covers economic losses from professional mistakes.

Quick Answer: Professional liability covers claims alleging negligence, errors, or omissions in professional services. It protects professionals from financial losses when clients claim the professional's work caused them harm.


Key Characteristics

FeatureProfessional LiabilityGeneral Liability
CoversEconomic loss from professional errorsBodily injury, property damage
TriggerClaims-made (usually)Occurrence
ExclusionsIntentional acts, fraudProfessional services
DefenseDuty to defendDuty to defend

Claims-Made Coverage

Most professional liability is written on a CLAIMS-MADE basis:

RequirementDetails
Claim MadeDuring policy period
Retroactive DateError must occur after this date
Extended Reporting"Tail" coverage for claims after policy ends

Why Claims-Made?

  • Professional errors may not be discovered for years
  • Claims-made limits insurer's exposure to specific policy period
  • Tail coverage (extended reporting period) available for purchase

Types of Professional Liability

1. Errors & Omissions (E&O)

For service professionals:

  • Insurance agents and brokers
  • Real estate agents
  • Accountants and CPAs
  • Attorneys
  • Consultants
  • Technology companies
  • Architects and engineers

Covers:

  • Negligent acts or omissions
  • Failure to render services
  • Misrepresentation
  • Breach of duty

2. Directors & Officers (D&O)

Covers: Personal liability of corporate directors and officers.

Coverage PartWhat It Covers
Side ADirectors/officers when company can't indemnify
Side BReimburses company for indemnifying D&O
Side CEntity coverage for securities claims

Common Claims:

  • Breach of fiduciary duty
  • Mismanagement
  • Failure to comply with regulations
  • Securities violations

3. Employment Practices Liability (EPL)

Covers: Claims from employees regarding employment practices.

Common Claims:

  • Wrongful termination
  • Discrimination (age, race, sex, disability)
  • Sexual harassment
  • Retaliation
  • Failure to promote

Trend: EPL claims increasing significantly—average claim costs $125,000+

4. Cyber Liability

Covers: Losses from data breaches and cyber incidents.

First-Party CoverageThird-Party Coverage
Data breach response costsLiability to affected individuals
Forensic investigationRegulatory fines
Business interruptionLegal defense
Ransomware paymentsPrivacy lawsuits
Crisis managementPCI-DSS fines

Fastest-growing P&C line: Cyber premiums growing 15-25% annually

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Test Your Knowledge

Professional liability insurance is typically written on what coverage basis?

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B
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D
Test Your Knowledge

Which professional liability coverage protects corporate executives from personal liability for management decisions?

A
B
C
D