Professional Liability Insurance Guide — E&O Coverage for Professionals
Professional liability insurance, also called errors and omissions (E&O) insurance, protects professionals against claims of negligence, errors, omissions, or failure to deliver promised services. It is essential for anyone who provides advice or services for a fee.
Professional liability covers: negligence (failure to meet the professional standard of care), errors and omissions (mistakes or oversights in your work), misrepresentation (incorrect advice or statements), breach of duty (failing to fulfill professional obligations), and defense costs (legal fees to defend against claims — often the largest cost, even for groundless claims). It does NOT cover: intentional wrongdoing, criminal acts, bodily injury (covered by general liability), property damage, or employment practices (harassment, discrimination — covered by employment practices liability). Professionals who need E&O: accountants, attorneys, architects, engineers, real estate agents, insurance agents, financial advisors, consultants, IT professionals, healthcare providers, and any professional who provides advice or services. Many professional licensing boards require E&O coverage. Many clients require it in their contracts. Complete business insurance guide →
Policy Types and Key Considerations
Claims-made vs occurrence: Claims-made policies cover claims made during the policy period. If a claim is filed after the policy expires (for work done during the policy period), it is not covered unless you buy an extended reporting period (tail) endorsement. Claims-made is the standard for professional liability. Occurrence policies cover any incident that occurred during the policy period, regardless of when the claim is filed. Occurrence coverage is more expensive but provides permanent protection — no need for tail coverage. Most professionals buy claims-made policies and purchase tail coverage when they retire or change insurers. If you switch from claims-made to a new insurer, buy tail coverage from the old insurer or prior acts coverage from the new insurer to avoid a gap. Coverage limits: $500K-5M per claim and aggregate. Standard for most professionals: $1M per claim / $2M aggregate. Higher limits are needed for: high-risk professions (surgeons, attorneys), large contracts (some client contracts require $2M+), and significant personal assets. Defense costs: some policies are "costs inside the limits" (defense costs reduce the coverage limit — cheaper but reduces actual coverage) or "costs outside the limits" (defense costs are paid in addition to the limit — better but more expensive). Choose costs-outside-the-limits if affordable. Deductibles: $1,000-25,000 depending on profession and risk. $2,500-10,000 is standard. Higher deductibles lower premiums but increase your financial exposure in a claim. Choose a deductible that represents a manageable financial risk for your practice. Business insurance comparison →
FAQs
What is tail coverage?
Tail coverage (extended reporting period) extends the time to report claims for work done while your claims-made policy was active. Without tail coverage, claims filed after your policy ends are not covered — even if the work was done during the policy period. Tail coverage costs 100-250% of the annual premium (one-time payment). Buy tail coverage when you: retire, change insurers, or switch to an occurrence policy. If you work for an employer that provided your E&O and you leave, ensure the employer provides tail coverage or buy your own. A gap in E&O coverage for past work is one of the most dangerous insurance gaps for professionals.
Can I be sued for professional negligence years after the work?
Yes. The statute of limitations for professional negligence varies by state and profession (2-5 years from the date of the incident or date of discovery). For construction defects, legal malpractice, and medical malpractice, claims can be filed 5-10 years after the work. This is why tail coverage is essential when you retire or leave a profession. You may face claims for work you did years ago, and without tail coverage, your policy will not respond.
How much does professional liability insurance cost?
$500-10,000/year depending on profession, revenue, claims history, and coverage limits. IT consultants: $500-2,000/year. Real estate agents: $500-1,500/year. Accountants: $1,000-3,000/year. Architects and engineers: $3,000-10,000/year. Attorneys: $2,000-10,000/year. Medical professionals: $5,000-50,000+/year. The cost is generally tax-deductible as a business expense. Most professional associations offer group E&O programs at discounted rates for members.