What Does Professional Liability (E&O) Insurance from Aon Cover?

What Is Aon’s Role in Professional Liability (E&O) Insurance?

• 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. ¹

  Company-reported.Aon’s global professional-services practice page. This establishes a marketed brokerage/advisory offering, not policy issuance or account-specific placement.

Who Issues Aon Professional Liability (E&O) Insurance?

• 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. ¹

  Not found in reviewed sources.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.

Who Is Aon Professional Liability (E&O) Insurance For?

• 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. ¹

  Company-reported.Audience described for Aon’s global professional-services practice. It does not establish U.S. state availability or underwriting eligibility for a placement.

Coverage Features of Aon Professional Liability (E&O) Insurance

• 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. ¹

  Company-reported.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.

Aon Professional Liability (E&O) Insurance Limits and Retentions

• 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. ¹

  Not publicly disclosed.Aon’s global practice page as reviewed 2026-09-30; no quote, bond form or issued policy was reviewed.

Aon Professional Liability (E&O) Insurance Risk 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. ¹

  Company-reported.Company-reported advisory services on Aon’s global practice page; account-specific service scope is not stated.

Aon Professional Liability (E&O) Insurance Compared

• vs

  Aon vs AIG

• vs

  Aon vs Alliance Risk

• vs

  Aon vs At-Bay

• vs

  Aon vs The Baldwin Group

• vs

  Aon vs Beazley

• vs

  Aon vs Berkshire Hathaway Specialty Insurance

Other Coverage Lines Documented for Aon

• Aon Builders Risk Insurance

• Aon Cargo and Transit Insurance

• Aon Commercial Auto Insurance

• Aon Commercial Property Insurance

• Aon Crime Insurance

• Aon Cyber Insurance

• Aon D&O Insurance

• Aon Employment Practices Liability Insurance

• Aon Fiduciary Liability Insurance

• Aon General Liability Insurance

• Aon Kidnap and Ransom Insurance

• Aon Management Liability Insurance

• Aon Surety Bonds

• Aon Umbrella and Excess Liability Insurance

• Aon Workers’ Compensation Insurance

Sources for Aon Professional Liability (E&O) Insurance

1. 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.