AIG vs Gallagher: Professional Liability / E&O Insurance

Gallagher Small Business arranges E&O with partner carriers and starts quotes by online form, phone advisor or callback; AIG markets customizable E&O to public and private service providers.

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

Areas of coverage

AIG

  • role: AIG markets customizable entity-based professional errors-and-omissions policies for public and private service providers. AIG is the marketing name; the page’s legal footer says products are written or provided by subsidiaries or affiliates, without naming the issuer for a buyer’s policy. AIG’s U.S. Professional Liability page. The page describes the marketed product family, not the legal insurer on an individual quote or policy.company-reportedSource ↗
  • eligibility: AIG says its specialty professional-liability offering is for service providers and can be customized for a company’s professional services. Its examples include public and private service providers; this does not state that every profession or applicant qualifies. Company-described target customer and customization statement. The reviewed page does not provide a complete class appetite or state availability list.company-reportedSource ↗
  • coverage: AIG describes coverage for claims alleging negligence in professional services rendered to others, including claims for third-party economic loss. This is a description of the product’s intended subject; covered claims, definitions, exclusions and conditions depend on the issued policy. AIG’s marketing description of specialty professional E&O; no policy form or endorsement was reviewed.company-reportedSource ↗
  • services: AIG says it uses in-house claims professionals and third-party experts, collaborates with clients through the claims process, and uses claims data to help clients evaluate and mitigate loss. These are company-reported service descriptions, not a claim outcome guarantee. General professional-liability claims services described by AIG. The page does not state account-specific service standards or identify the administrator for a particular policy.company-reportedSource ↗
  • limits: The reviewed page does not state standard limits, retentions or deductibles for this offering. Confirm the amounts and policy conditions in the quote and issued form. AIG’s U.S. Professional Liability page reviewed 2026-09-30; no buyer-specific quote or policy was reviewed.not-disclosedSource ↗

Gallagher

  • role: Gallagher Small Business arranges errors and omissions (E&O) coverage with partner carriers rather than underwriting the policy itself. Gallagher Small Business's direct-to-small-business E&O product page.company-reportedSource ↗
  • coverage: Gallagher describes E&O as protecting against client charges of negligence or injury tied to professional services, covering losses, attorney fees and court costs regardless of fault, and specifically responding to alleged or actual negligence, personal injury, copyright infringement, punitive damages, and claims against past work, temporary staff or independent contractors. Product page coverage description; the issued policy and its exclusions control. Note this record excludes medical malpractice, which the page treats as a separate specialized coverage covered under its own line.company-reportedSource ↗
  • eligibility: Gallagher recommends E&O for small businesses that provide a specific professional service, naming technology, insurance, accounting, tax, wealth management and legal services, and lists doctors, lawyers, accountants, nurses, caregivers, counselors, social workers and engineers as example professionals; it also notes that many client contracts require carrying E&O. Product page eligibility and recommended-professions lists; actual acceptance depends on underwriting.company-reportedSource ↗
  • coverage: Gallagher's small-business team says the E&O market has seen consistent rate increases that have started to moderate, driven by higher claim frequency, litigation costs and a more litigious environment, and that insurers are more selective and require more detailed underwriting information. Product page market-commentary section; a general market view, not a quote for any specific business.company-reportedSource ↗
  • insurer: The E&O product page does not name the insurer that would issue a given business's policy. Checked the E&O product page on 2026-09-23.not-disclosedSource ↗
  • limits: The E&O product page does not publish limits, deductibles or premiums; it directs prospective buyers to request a quote instead. Checked the E&O product page on 2026-09-23.not-disclosedSource ↗
  • application: Gallagher offers an online quote form, a small business advisor phone line (1-833-292-9441, Monday through Friday, 8 a.m. to 5 p.m., continental U.S.), and a scheduled callback request to start an E&O quote. Product page "Get Covered Now" section.company-reportedSource ↗

What Are the Key Differences Between AIG and Gallagher Professional Liability (E&O) Insurance?

Allegations and Prior Work

AIG describes coverage for alleged negligence in professional services and economic loss to third parties. Gallagher says its small-business E&O can address negligence, copyright infringement, punitive damages and claims involving past work, temporary staff or independent contractors. Those stated examples can help a buyer frame questions, but only the quote’s wording determines what is covered; ask both carriers to address the same past-work and contractor scenarios. [1] [2]

Broker Access and Underwriting

AIG presents a specialty entity-based offering tailored to professional services. Gallagher arranges E&O with partner carriers and provides an online form, advisor phone line and callback request to start a quote. Buyers who want help comparing carriers can use Gallagher’s advisor route; in either case, request the named insurer and clarify whether the placement requires more detailed underwriting information. [1] [2]

What Should You Confirm in AIG and Gallagher Professional Liability (E&O) Insurance Quotes?

  • Ask AIG how the policy treats prior work and claims involving contractors or temporary staff. [1]
  • Ask Gallagher which partner carrier is quoting, what underwriting materials it needs and whether defense erodes the limit. [2]

AIG describes E&O for negligent professional services; Gallagher arranges small-business coverage with examples of covered allegations and multiple quote-start options.

Sources reviewed

  1. 01
    Professional Liability Insurance

    AIG US · ‘AIG Professional Liability Solutions,’ lines 327–334; claims expertise lines 273–279; broker contact lines 385–389; general policy-language caveat in legal footer lines 485–489. · accessed 2026-09-30

  2. 02
    Errors and Omissions Insurance

    Gallagher Small Business · What is Errors and Omissions Insurance?; Do you need Errors and Omissions insurance?; Recommended for professionals including; E&O trends; An E&O policy protects you from; Consider this claim scenario; Get Covered Now · accessed 2026-09-23

  3. 03
    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

  4. 04
    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

  5. 05
    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

  6. 06
    Get business insurance

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

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