Errors & Omissions (E&O) Insurance in the U.S.
What Is Errors & Omissions Insurance?
Errors and Omissions (E&O) insurance, also called professional liability insurance, protects businesses and individual professionals against claims that their negligent acts, errors, or omissions in the performance of professional services caused a client financial loss.
Unlike general liability insurance, which primarily addresses bodily injury and property damage, E&O focuses on pure economic loss arising from professional workāadvice, design, recommendations, software, transactions, or other fee-for-service activities.
Most E&O policies are written on a claims-made basis: coverage applies when the claim is made and reported during the policy period (or during an extended reporting period), subject to the retroactive date and other policy conditions.
Who Typically Needs E&O Coverage?
Any professional or firm whose clients rely on specialized knowledge, advice, or deliverables and can suffer financial harm from a mistake (real or alleged) should evaluate E&O. Common examples include:
- Consultants, coaches, and independent contractors
- Financial advisors, investment professionals, and insurance agents/brokers
- Real estate agents, brokers, and appraisers
- Attorneys, accountants, and tax preparers
- Technology firms, software developers, IT consultants, and managed service providers
- Architects, engineers, and design professionals
- Marketing, advertising, and creative agencies
- Other specialized service providers whose work can trigger third-party financial claims
In some professions and contracts, E&O is effectively required by clients, regulators, or professional associations. Even when not mandated, the cost of defending a claim often exceeds the annual premium for many small firms.
What E&O Policies Commonly Cover
A typical professional liability policy responds to claims alleging:
- Negligence or failure to meet the applicable standard of care
- Errors or omissions in professional services
- Misrepresentation or inaccurate advice
- Failure to deliver services as promised
- Breach of professional duty
Covered costs generally include:
- Legal defense expenses (often inside or outside limits, depending on the form)
- Settlements and judgments for covered claims
- Certain related expenses defined in the policy
Common exclusions (highly form-dependent) may include intentional wrongdoing, fraud, bodily injury/property damage (usually directed to general liability), contractual liability beyond the professional standard of care, and claims involving prior knowledge of a potential problem. Many policies also limit or exclude coverage for certain intellectual-property or employment-related claims unless endorsed.
Optional features often available:
- Prior-acts (retroactive) coverage
- Extended reporting period / tail coverage when a policy is cancelled or non-renewed
- Defense outside the limits
- Higher limits or excess towers for larger firms
Claims-Made Structure and Practical Implications
Because most E&O insurance is claims-made:
- Continuous coverage is important; gaps can leave prior work uninsured.
- When switching carriers or retiring, professionals often purchase an extended reporting period (tail) so that claims arising from past work can still be reported.
- The retroactive date on the policy is a critical termāwork performed before that date is typically excluded.
Policyholders should report potential claims or circumstances that may give rise to a claim promptly, in accordance with the policyās notice provisions.
Cost Drivers
Premiums vary widely based on:
- Profession and risk class (higher for legal, financial, architectural/engineering, and certain technology exposures)
- Annual revenue or fee income
- Claims history
- Limits of liability and deductible/retention
- Scope of services and client profile
- Risk-management practices and contract wording
Small, lower-risk professional firms may see premiums starting in the low hundreds to a few thousand dollars per year. Higher-risk or higher-revenue practices pay substantially more. Accurate quotes require underwriting information specific to the firm.
Relationship to Other Coverages
- General liability ā Bodily injury and property damage; does not substitute for E&O.
- Cyber liability ā Data breaches, network security, and privacy events; complementary for technology and data-heavy firms.
- Directors & Officers (D&O) ā Management liability; different from professional services liability.
- Commercial crime / fidelity ā Employee dishonesty and certain fraud exposures.
Many professional firms carry a coordinated program that includes E&O alongside these other lines.
Examples of U.S. Markets for E&O
| Provider | Typical focus | Website | Phone |
|---|---|---|---|
| Hiscox | Small businesses, freelancers, consultants | hiscox.com | 1-866-283-7545 |
| The Hartford | Broader professional liability | thehartford.com | 1-800-331-3741* |
| Travelers | Professional and technology exposures | travelers.com | 1-866-336-2077 |
| NEXT Insurance | Digital distribution for smaller firms | nextinsurance.com | 1-855-222-5919 |
| Nationwide | Small-business professional liability | nationwide.com | 1-877-669-6877 |
*Confirm current direct numbers on the carrierās website; many commercial products are placed through agents or brokers.
Specialized programs also exist for specific professions (lawyers professional liability, architects & engineers, insurance agents E&O, etc.) through dedicated markets and managing general agents.
Practical Recommendations
- Match the policy to the actual services performed and the contracts you sign.
- Review the definition of āprofessional services,ā the retroactive date, and claim-reporting requirements.
- Maintain continuous coverage and evaluate tail options when leaving a firm or retiring.
- Use written contracts with clear scope, limitations of liability, and dispute-resolution language where appropriate.
- Work with a licensed agent or broker familiar with professional liability in your industry and state.
Bottom Line
Errors & Omissions insurance is a core risk-transfer tool for any U.S. professional or firm whose advice, design, or services can produce financial loss for clients. It funds defense and indemnity for covered negligence claims and helps protect both personal and business assets. Because forms, exclusions, and pricing differ significantly by profession and carrier, the most reliable approach is to obtain specimen wording and a tailored quote through a knowledgeable intermediary and to keep coverage continuous over the life of the practice.
Insurance is regulated at the state level. Confirm that any policy meets applicable licensing and surplus-lines requirements in the states where you operate.
Read more:
Business Insurance in the U.S.
Insurance for a Small Business