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What Is Professional Errors and Omissions (E&O) Insurance?

Professional liability can help pay defense costs and covered losses when a client says your advice or service caused financial harm. If customers rely on your work, list every service you provide and check the claims-made reporting and prior-work terms.

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What Does Professional Errors and Omissions (E&O) Insurance Cover?

An incorrect tax filing, missed deadline or faulty design can leave your client facing a financial loss and looking to your business to pay. 1,2,4

If a client says your advice or service caused financial harm, professional liability insurance can help your business respond to the covered claim. 1,2,3,4

Professional Services and Financial Loss

Ask how the quote addresses a client’s financial loss from professional services, and compare its treatment of bodily injury and property damage. 1,2,4

How It Differs From General Liability

Separate injury or property-damage exposures from allegations that professional advice or services caused a client financial loss. 1,2,3

Who Needs Professional Errors and Omissions (E&O) Insurance?

Consider professional E&O if customers pay for your advice or services and a mistake could cost them money. 4,1,3 4,1

Professional Errors and Omissions (E&O) Insurance Coverage Examples

What happened

A Client Says Your Advice Cost Them Money

A client alleges that an error in your professional advice caused a financial loss.

How coverage may help

Professional E&O may pay defense costs and covered damages. The service you provided must fit the work insured, and defense spending may reduce the limit. 1,2,3,4

What happened

An Old Project Leads to a New Claim

A former client brings a claim after you've switched insurers.

How coverage may help

Protection for earlier work depends on the retroactive date and reporting terms. An extended reporting period may help with later claims when earlier coverage ends. 1,2,3,4

How Does Professional Errors and Omissions (E&O) Insurance Compare With Related Coverage?

Technology Errors and Omissions

Confirm whether the quote schedules professional services under professional errors and omissions (E&O) coverage, or uses a separate technology errors and omissions form for technology products or services. 4,2,5

Medical Malpractice

Medical malpractice is a specialized professional-liability product for health care; do not treat a general professional E&O quote as a substitute for it. 5,2,4

Business Owner’s Policies

Do not assume a business owner’s policy includes professional liability; check the proposed coverage and whether you need a separate policy. 2,6

How Do You Compare Professional Errors and Omissions (E&O) Insurance Coverage and Costs?

Claims-Made Timing

Ask whether the quote is claims-made, when a claim must be made and reported, and whether an occurrence form is available instead. 2,1,4

When replacing claims-made coverage, compare the retroactive date and reporting terms with your current policy. Earlier work may need to remain covered, and known circumstances must be disclosed. A new start date alone doesn't establish continuity for advice or services you delivered in the past. 4,1

If you change insurers or stop buying claims-made coverage, ask about an extended reporting period for later claims arising from earlier work. 2,4,1
Timing questionWhat to ask
Claims-made or occurrenceWhen must the claim be made and reported, and is an occurrence form available instead?
Retroactive dateDoes prior work count, and have you disclosed known circumstances that could become claims?
Changing insurers or stopping coverageIs an extended reporting period available for later claims that arise from earlier work?
2,1,4 4,1 2,4,1

Defense, Limits and Scheduled Services

Check the insurer’s duty to defend, whether defense expenses reduce the available limit, and any consent-to-settle terms. 4,1,2 Compare the each-claim limit, the aggregate limit, and the deductible or retention. 4,2 Confirm the named businesses and people insured and the professional services the quote actually schedules. 4,1

Exclusions

Ask how the quote treats bodily injury, property damage, dishonest acts, intellectual-property claims and failure to protect confidential information. 4,2

What Do You Need for Professional Errors and Omissions (E&O) Insurance Quotes?

Services and Contracts

Prepare a description of the professional services you sell, who performs them, and the clients or contracts that require proof of insurance. 4,1,3

Claims History and Current Terms

Have information on prior claims, incidents and known circumstances that could become claims ready for the discussion. 4,1 Bring current professional-liability terms, the retroactive date and any existing extended-reporting or tail arrangement. 4,1
PrepareAsk the broker
Services and people performing themWhich services and insured names will the policy schedule?
Prior claims or circumstancesWhat records and known issues should you disclose?
Current policy and retroactive dateHow will coverage continue if you change insurers or end a claims-made policy?
4,1,3 4,1 4,1

Professional Errors and Omissions (E&O) Insurance: Key Terms in Plain English

Professional Services

The work named in the quote. Confirm it matches the services you actually sell and the people providing them. 4,1

Extended Reporting Period

Extra time to report eligible claims about earlier work after claims-made coverage ends. 2,4,1

Frequently Asked Questions About Professional Errors and Omissions (E&O) Insurance

Is Professional Liability Included in a BOP?

Not automatically. Check whether professional liability is included, added or quoted separately. 2,6

What if a Claim Arrives After I Stop Buying Coverage?

An extended reporting period may provide a way to report later claims about earlier work. Discuss it before ending or replacing claims-made coverage. 2,4,1

Do I Need Professional E&O if I Already Have General Liability?

The policies address different exposures. General liability concerns injury and property damage; professional E&O concerns allegations that your services or advice caused a client financial loss. Compare the actual terms before treating one as sufficient for both. 1,2,3 1,2,3,4

Can Professional E&O Cover Work Done Before the Policy Started?

It may, depending on the retroactive date and prior-work terms. Confirm those terms and disclose known circumstances that could become claims instead of assuming all earlier work is included. 4,1

Does Professional Liability Cover Bad Advice?

Yes, that's its core purpose: professional liability covers a client's financial loss from negligent advice, as long as the advice falls within the services your policy lists.

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Does Professional Liability Cover Bodily Injury?

Usually no: bodily injury claims belong on general liability or a specialized policy, and many professional liability forms exclude them outright.

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Does Professional Liability Cover Breach of Contract?

Only partly: it covers a contract claim that really alleges negligent work, but many policies exclude liability you took on only through the contract, such as guarantees.

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Does Professional Liability Cover Copyright Infringement?

Some E&O forms exclude copyright, while certain technology E&O products add limited IP protection; the policy wording controls.

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Does Professional Liability Cover Data Breaches?

Many E&O policies exclude some privacy and security events; cyber coverage may address breach response and liability under separate terms.

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Does Professional Liability Cover Financial Loss?

Professional E&O may cover a client’s financial-loss claim from services, subject to the policy’s damages definition and exclusions.

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Does Professional Liability Cover Legal Fees?

Often, for covered professional claims; defense costs, counsel selection, limits, and claim triggers differ by policy.

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Does Professional Liability Cover Missed Deadlines?

A missed deadline may be covered if it is an error in insured services that causes covered client loss; delay penalties may be excluded.

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What Coverage Is Related to Professional Liability (E&O) Insurance?

  • What Is General Liability Insurance?

    General liability can protect your business when a customer or visitor claims you caused injury or damaged their property. It suits businesses serving customers or working on their premises; your own building, tools and stock need property coverage.

  • What Is Technology Errors and Omissions (E&O) Insurance?

    Technology errors and omissions coverage can help pay when a customer claims your software, hosting, installation or technology advice caused financial loss. If you provide tech products or services, check each activity; cyber incidents and unrelated professional work need separate review.

  • What Is Medical Malpractice Insurance?

    Medical malpractice insurance can pay defense costs and covered damages when a patient claims a clinician’s care caused harm. If you provide health care, match the quote to your practice, clinicians, specialties and procedures, then check who is insured.

  • What Is a Business Owner’s Policy?

    A BOP may suit an eligible small business that wants property, liability and lost-income protection together. If you also need auto, workers’ compensation or professional liability, plan for separate coverage.

Professional Liability (E&O) Insurance Guides by State

Which Insurance Providers Offer Professional Liability (E&O) Insurance?

  • AIG

    AIG entity-based Professional Liability / Specialty Professional E&O

  • Alliance Risk

    Alliance Risk arranges professional liability insurance.

  • Amelia Risk

    Amelia Risk arranges professional errors and omissions insurance for startups.

  • Aon

    Aon describes professional-liability/E&O services for law, accounting and consulting firms; a U.S. placement and any separate technology E&O terms remain to be confirmed.

  • At-Bay

    At-Bay offers primary miscellaneous professional liability insurance.

  • Beazley

    Beazley offers professional errors and omissions insurance through MediaTech for small technology and business-services companies.

  • Berkshire Hathaway Specialty Insurance

    Professional First materials describe a professional-liability portfolio with several professions and service types.

  • biBerk

  • CFC

    CFC offers professional liability insurance for professional-service businesses.

  • Chubb

    Chubb offers professional errors and omissions insurance through Pro ERM for non-licensed professional-service firms.

  • CNA

    currently marketed Miscellaneous Professional Liability and Epack 3 professional-liability component

  • Coalition

    Coalition offers miscellaneous professional liability as an addition to eligible Active Cyber policies.

  • Corgi

    Corgi lists miscellaneous errors and omissions coverage for service-based businesses.

  • Coterie Insurance

    Coterie lists miscellaneous professional liability for eligible small businesses in participating states.

  • Counterpart

    Several separately scoped professional-liability programs; do not generalize terms across professions.

  • Coverdash

    Coverdash lists professional liability in its Professional & Management catalog, separately from technology errors and omissions.

  • Embroker

    Embroker lists professional liability (errors and omissions) for professional services, separately from lawyers professional liability and technology errors and omissions.

  • ERGO NEXT Insurance

    ERGO NEXT lists professional liability insurance, also called errors and omissions insurance.

  • Founder Shield

    Founder Shield lists errors and omissions for lawsuits alleging inferior work or service.

  • Foxquilt

    Professional E&O product page.

  • Gallagher

    Gallagher arranges professional errors and omissions insurance for small businesses.

  • Harper

    Harper includes professional liability in its coverage directory and quote intake as claims about work or advice.

  • Heffernan Insurance Brokers

    Heffernan arranges professional errors and omissions insurance for small businesses.

  • Hiscox

    Hiscox offers professional errors and omissions insurance for small businesses.

  • HUB International

    HUB International arranges professional errors and omissions insurance.

  • Insureon

    Insureon markets Professional Liability (E&O); description does not establish insurer, policy terms, or individual availability.

  • Kinro

    Kinro lists professional liability (errors and omissions) for claims tied to professional advice, errors, omissions or service mistakes.

  • Liberty Mutual

    A group brand spanning personal and commercial insurance businesses; its business unit pages describe small-commercial cover for small businesses and commercial, specialty, surety, and reinsurance solutions for mid-size and large businesses.

  • Lockton

    Lockton arranges professional errors and omissions insurance.

  • Markel Insurance

    Markel ProBiz miscellaneous E&O

  • Marsh

    Marsh arranges professional errors and omissions insurance.

  • Marsh McLennan Agency

    Business insurance and employee health and benefits, with retirement, wealth, and private-client services also listed for the United States and Canada.

  • Mylo

    Mylo compares professional liability quotes for claims from clients unhappy with professional services.

  • Nationwide

    Nationwide markets professional E&O for professional-service exposures. This does not establish technology E&O or any particular profession’s acceptance.

  • Newfront

    Newfront lists errors and omissions among its executive-risk coverage services.

  • Pie Insurance

    Pie Insurance arranges professional errors and omissions insurance for small businesses through third-party insurers.

  • Relm Insurance

    Relm lists professional errors and omissions insurance for placement through brokers.

  • Simply Business

    Small businesses and solopreneurs seeking commercial insurance, as described by Simply Business.

  • StartupInsurance.ai

    StartupInsurance.ai arranges professional errors and omissions insurance for startups.

  • TechInsurance

    TechInsurance arranges professional errors and omissions insurance for small businesses.

  • The Baldwin Group

    Listed as professional liability/E&O for professional-services and government-contractor audiences.

  • The Hartford

    The Hartford offers professional liability insurance for service businesses.

  • THREE by Berkshire Hathaway

    Marketed within THREE’s combined commercial policy; the quote and issued form determine the protection.

  • Travelers

    Travelers offers professional errors and omissions insurance.

  • USI Insurance Services

    USI arranges professional errors and omissions insurance.

  • Vouch

    Vouch lists errors and omissions among the core coverages in its professional-services programs.

  • WithCoverage

    WithCoverage includes errors and omissions in its technology insurance-program review services.

  • WTW

    WTW markets financial-lines solutions, including errors and omissions, for residential real-estate stakeholders. Individual terms, insurer and placement eligibility are not established.

  • Zurich U.S.

    Zurich markets professional errors and omissions insurance.

Updated .

Spot, a product of Tools for Enlightenment, publishes this research and works in the commercial insurance market. Editorial policy. To suggest a correction, contact Spot with the page URL and supporting source.

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