Professional Liability (E&O) Insurance Calculator

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About Professional Liability (E&O) Insurance

Professional liability insurance, also known as errors and omissions (E&O) insurance, protects professionals who provide advice or services from claims of negligence, mistakes, or failure to deliver promised results. If a client claims your work caused them financial harm, E&O insurance covers your legal defense and any settlements or judgments. Lawyers, accountants, engineers, real estate agents, and consultants are among the professionals who most commonly need this coverage. Many client contracts now require proof of E&O coverage. Premiums vary widely by profession — attorneys and engineers carry significant risk exposure and therefore pay higher premiums than general consultants.

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Frequently Asked Questions

What is the difference between professional liability and general liability?
General liability covers physical injuries and property damage to third parties. Professional liability (E&O) covers financial losses your clients suffer due to your professional mistakes, negligence, or failure to perform services as promised.
Is E&O insurance required by law?
Some licensed professions such as real estate agents, attorneys, and financial advisors are required to carry E&O by their state licensing board. Others may be required by clients under contract.
What is a claims-made policy?
Most professional liability policies are claims-made, meaning coverage applies only if both the incident and the claim occur while the policy is active. You need tail coverage if you cancel or change insurers.
How much E&O coverage do I need?
A $1 million per-claim limit is common for small professional service firms. High-revenue firms or those with large client contracts may need $2-5 million in coverage.
Does experience lower E&O premiums?
Yes, professionals with 5+ years of clean claims history often receive experience discounts of 5-15%. Insurers reward demonstrated track records of professional care and quality work.

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Results are estimates only. Actual premiums depend on underwriting factors specific to your business. Consult a licensed insurance professional for an accurate quote.

How to Use This Calculator

  1. Enter your details — Fill in the required fields above with your personal or policy information. The more accurate your inputs, the better your estimate.
  2. Review your results — Your estimate appears instantly as you complete the form. Check the breakdown to understand how each factor affects your numbers.
  3. Compare and take action — Use the results to compare options, discuss with your insurance agent, or make informed decisions about your coverage needs.

Common Use Cases

  • Shopping for a new policy — Get a baseline estimate before requesting quotes from multiple insurers so you know what to expect and can negotiate effectively.
  • Reviewing coverage at renewal — Compare your current costs against what this calculator suggests to identify potential savings or coverage gaps before your policy renews.
  • Financial planning and budgeting — Factor insurance costs into your monthly budget or long-term financial plan with realistic estimates rather than guesswork.

About This Professional Liability (E&O) Insurance Calculator

The Professional Liability (E&O) Insurance Calculator helps you make smarter insurance decisions by turning complex coverage variables into clear, actionable numbers. Simply enter your details above and the calculator instantly shows you realistic estimates based on the key factors that insurers use to determine your costs.

Insurance professionals, financial planners, and consumers alike use business insurance calculators to benchmark costs, identify savings opportunities, and make informed coverage decisions. Rather than relying on guesswork or generic industry averages, this calculator applies the specific inputs you provide to generate a range that reflects your situation.

When interpreting results, keep in mind that actual business insurance premiums depend on many additional factors — including your credit history, exact location, prior claims, and the specific insurer's underwriting guidelines. The figures here represent a realistic estimate range, not a guaranteed quote. Use them as a starting point for conversations with licensed agents who can provide binding quotes from multiple carriers.

For the most accurate results, have your current policy documents nearby when entering inputs. Compare the output with at least two or three actual quotes to see how well the estimate aligns with real-world pricing in your market. Estimates can vary significantly by state and insurer, so shopping around remains the single most effective way to reduce your business insurance costs.