Aon vs Simply Business: Professional Liability / E&O Insurance

Simply Business lets you answer questions online and compare quotes for consultants, IT professionals and bookkeepers, with binding needing panel-member approval; Aon advises law, accounting and consulting firms.

Kearny Risk organizes these comparisons for firms whose advice, content or technology creates professional exposures.Research updated 2026-09-30

What Are the Key Differences Between Aon and Simply Business Professional Liability (E&O) Insurance?

Quote shopping and binding

Simply Business describes an online flow to answer business questions, compare quotes and select a policy; its terms say a quote is not guaranteed and binding requires panel approval. Aon describes a professional-services placement practice. Ask when a proposal becomes bound and who confirms coverage. [1] [4]

Different stated buyer examples

Aon identifies law, accounting and consulting firms; Simply Business names consultants, IT professionals, real-estate agents and bookkeepers as examples for which it can find E&O. Match your profession to each provider’s stated audience and verify underwriting eligibility before relying on an example. [1] [4]

What the coverage descriptions enumerate

Simply Business lists attorney fees, court costs, settlements and judgments among costs tied to claims about professional work. Aon says it tailors professional-liability structures without enumerating covered costs in its summary. Compare those categories with the policy language in each quote. [1] [4]

What Should You Confirm in Aon and Simply Business Professional Liability (E&O) Insurance Quotes?

  • Ask Aon to confirm the quoted policy form, retroactive date and covered allegations; its offering says professional liability as addressing professional-services firms’ liability exposure and says it tailors coverage structures to a firm’s needs. It identifies E&O as a commonly used name for professional-liability insurance; actual policy terms are not stated. [1]
  • Ask Simply Business to confirm the quoted policy form, retroactive date and covered allegations; its offering says protection for claims tied to professional work and lists attorney fees, court costs, settlements and judgments as costs that may be covered; policy wording controls. [4]

Areas of coverage

Aon

  • role: Aon presents Professional Liability / E&O as a line its Professional Services Practice helps arrange or advise on for professional-service firms. Aon is describing a global brokerage and advisory service, not issuing the underlying policy. The producing legal entity and carrier for any particular placement are not named on this page. Aon’s global professional-services practice page. This establishes a marketed brokerage/advisory offering, not policy issuance or account-specific placement.company-reportedSource ↗
  • eligibility: Aon identifies law, accounting and consulting firms as the audience for its global Professional Services Practice. That audience scope does not establish eligibility for every firm or other business. Audience described for Aon’s global professional-services practice. It does not establish U.S. state availability or underwriting eligibility for a placement.company-reportedSource ↗
  • coverage: Aon describes professional liability as addressing professional-services firms’ liability exposure and says it tailors coverage structures to a firm’s needs. It identifies E&O as a commonly used name for professional-liability insurance; actual policy terms are not stated. Aon’s marketing description of the brokerage/coverage area. The page is not the insurer’s policy form and does not establish an insured's entitlement to coverage.company-reportedSource ↗
  • services: Aon says its professional-services advisors use industry knowledge, insights, data and tools to support risk-management and human-capital decisions. This is a company-described advisory service, not a claim outcome or policy benefit. Company-reported advisory services on Aon’s global practice page; account-specific service scope is not stated.company-reportedSource ↗
  • insurer: The reviewed practice page does not name the insurer or producing legal entity for a specific placement. Ask for both on the quote and binder. Aon’s global practice page as reviewed 2026-09-30; no state-specific placement schedule or buyer quote was reviewed. This does not establish that Aon cannot arrange a placement.not-foundSource ↗
  • limits: The reviewed page does not state a buyer-specific limit, retention, deductible or other placement terms. Confirm these in the quote, bond or issued policy. Aon’s global practice page as reviewed 2026-09-30; no quote, bond form or issued policy was reviewed.not-disclosedSource ↗

Simply Business

  • coverage: The page describes protection for claims tied to professional work and lists attorney fees, court costs, settlements and judgments as costs that may be covered; policy wording controls. Company-published professional-errors-omissions information for U.S. small businesses; availability and actual policy terms depend on the insurer, state and buyer.company-reportedSource ↗
  • eligibility: Simply Business lists consultants, IT professionals, real-estate agents and bookkeepers among the business examples for which it can help find E&O coverage. The examples do not guarantee eligibility. Company-published professional-errors-omissions information for U.S. small businesses; availability and actual policy terms depend on the insurer, state and buyer.company-reportedSource ↗
  • application: The company describes an online flow to answer business questions, compare quotes and select a policy. Its Terms say an online quote is not guaranteed and binding requires panel-member approval. Company-published professional-errors-omissions information for U.S. small businesses; availability and actual policy terms depend on the insurer, state and buyer.company-reportedSource ↗Source ↗

Aon: professional liability as addressing professional-services firms’ liability exposure and says it tailors coverage structures to a firm’s needs. It identifies E&O as a commonly used name for professional-liability insurance; actual policy terms are not stated. Simply Business: protection for claims tied to professional work and lists attorney fees, court costs, settlements and judgments as costs that may be covered; policy wording controls.

Sources reviewed

  1. 01
    Professional Services Practice

    Aon · Named professional-services audiences and global advisory role, lines 125–128; line offerings and explanations lines 131–190; contact link lines 120–122. Global practice page; no U.S. state or account-specific placement schedule. · accessed 2026-09-30

  2. 02
    Professional Liability – US Direct Errors and Omissions Insurance

    Hiscox Inc. specimen · About this Policy / Coverage for Claims Made Against You; I.A Insuring Agreement; I.B Defense; I.C Settlement; II.A Notice of Claims; II.C Optional Extended Reporting Period; III.A, III.K, III.M, III.R, III.S Exclusions; IV.A–B Limits and Deductible; VI.O Professional Services; VI.U Wrongful Act · accessed 2026-09-16

  3. 03
    Professional liability insurance

    Insurance Information Institute · Opening paragraphs (professional services/advice and E&O name); Claims not covered by general liability; What types of businesses need professional liability insurance?; What’s covered… and what’s not (claims-made versus occurrence, defense and judgments, non-financial/intentional limits, BOP/in-home exclusion) · accessed 2026-09-16

  4. 04
    Professional Liability Insurance Coverage

    Simply Business · Coverage lines 45–100; buyer examples lines 101–158; online quote steps lines 237–260. · accessed 2026-09-29

  5. 05
    Terms of Service

    Simply Business · Dated June 30, 2026; §1 lines 22–28; §8 lines 87–113; §10 lines 143–149; §19 line 211. · accessed 2026-09-29

  6. 06
    FAQ: Professional liability insurance

    Texas Department of Insurance · What’s professional liability coverage?; What types of damages…; What’s general liability insurance?; Do I need professional liability… if I have general liability…?; Is professional liability insurance required?; Can a client require…?; What’s the difference between occurrence policies and claims-made policies · accessed 2026-09-16

  7. 07
    Get business insurance

    U.S. Small Business Administration · Six common types of business insurance table · accessed 2026-09-16

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