AIG vs Heffernan: Representations and Warranties Insurance

AIG describes M&A underwriters and dedicated claims professionals for R&W; Heffernan Insurance Brokers arranges it through a private equity and M&A practice and invites clients to contact the practice directly.

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

AIG describes dedicated transactional underwriting and claims professionals; Heffernan emphasizes diligence, benchmarking, group purchasing, and post-close planning.

What Are the Key Differences Between AIG and Heffernan Insurance Brokers Representations and Warranties Insurance?

Support across the deal timeline

AIG describes M&A underwriters, prompt transaction support, multinational expertise, and claims professionals for complex disputes. Heffernan's account of its Private Equity and M&A practice focuses on pre-close diligence, benchmarking and searching for hidden liabilities, then insurance planning for the company after closing. A deal team comparing them should distinguish policy-side underwriting and claims expertise from broader brokerage work that continues into the acquired company's insurance program. [1] [5]

Deal context and policy mechanics

AIG describes an R&W product that can be structured as shared, layered, or excess coverage. Heffernan groups RWI with contingent, environmental, tax, and litigation-buyout products under transactional risk mitigation, and says it serves private equity firms and strategic investors. A buyer should ask Heffernan which carrier and policy structure are proposed for this deal; AIG's structure options still require confirmation against the specific purchase agreement. [1] [5]

What Should You Confirm in AIG and Heffernan Insurance Brokers Representations and Warranties Insurance Quotes?

  • Ask Heffernan who performs the R&W underwriting and claims handling, and what post-close support applies to the acquired company. [5]
  • Ask AIG how the quoted layer responds to the transaction's defined seller representations and identify the issuer. [1]

Areas of coverage

AIG

  • role: AIG markets a transaction-specific R&W product and says coverage is written through AIG non-admitted carriers only. The particular issuing entity must be confirmed in the buyer’s transaction documents. Role in this product is limited to the description on the linked AIG source.company-reportedSource ↗
  • eligibility: AIG describes R&W insurance for buyers or sellers in merger and acquisition transactions and publishes a deal-size range as a marketing guide. That range is not an eligibility promise for a particular transaction. Audience is the segment AIG names on the linked source; this is not an underwriting decision, quote or guarantee of availability.company-reportedSource ↗
  • coverage: AIG says the product may protect against financial loss from breach of sellers’ representations and warranties. The page lists shared, layered and excess structures; policy wording and transaction diligence control the actual coverage. AIG’s public product description is not the policy. Actual entitlement depends on the applicable issued form, endorsements and declarations.company-reportedSource ↗
  • services: AIG describes M&A underwriters, prompt transaction support, multinational expertise and dedicated claims professionals for complex transactional disputes. These services are not a promise to accept or pay a claim. The linked page describes company-reported support; specific account services and third-party arrangements must be confirmed.company-reportedSource ↗
  • limits: AIG advertises limits up to $100 million per transaction and a typical retention reference of 1.0% of enterprise value dropping to 0.5% after 12 months. These are published product parameters, not a buyer-specific quote or guarantee. This statement reports only what the linked public source discloses and does not substitute for a quote or issued policy.not-disclosedSource ↗

Heffernan Insurance Brokers

  • role: Heffernan's Private Equity and M&A (HIB) Practice arranges representation and warranty (RWI) insurance for deal buyers and sellers as part of a broader transactional-risk brokerage, rather than underwriting the coverage itself. Private Equity and M&A page as read on 2026-09-23.company-reportedSource ↗
  • eligibility: Heffernan markets this practice to private equity firms and strategic investors doing mergers and acquisitions, covering both enterprise-level and transactional liability needs. Private Equity and M&A page as read on 2026-09-23.company-reportedSource ↗
  • coverage: Heffernan says RWI safeguards a buyer and seller's agreed understanding of a deal, and groups it under 'Transactional Risk Mitigation' alongside contingent liability, environmental liability, tax liability, and litigation-buyout coverage. Private Equity and M&A page as read on 2026-09-23; the page does not describe RWI's specific insuring agreement, exclusions, retention structure, or limits.company-reportedSource ↗
  • services: Heffernan describes pre-close due diligence (a detailed review, benchmarking and a search for hidden liabilities), group purchasing across its private-equity clients, and insurance planning for the company after closing. Private Equity and M&A page as read on 2026-09-23.company-reportedSource ↗
  • limits: The reviewed page does not publish limits, retention levels, or premium ranges for representation and warranty policies. Private Equity and M&A page as read on 2026-09-23.not-disclosedSource ↗
  • application: Heffernan invites private equity and M&A clients to contact the practice directly; the page does not describe a self-service quote or online application path. Private Equity and M&A page as read on 2026-09-23.company-reportedSource ↗

Sources reviewed

  1. 01
    Representations & Warranties Insurance

    AIG · Official AIG R&W page: M&A buyer/seller audience, advertised transaction size and capacity, typical retention, admitted basis caveat, claims and multinational transaction support; standard policy caveat. · accessed 2026-09-30

  2. 02
    Mergers & Acquisitions

    Beazley · Product overview: buyer and seller protection for inaccuracies in representations or warranties · accessed 2026-09-16

  3. 03
    Transaction liability insurance | Representation and indemnities insurance

    CFC · What are representations and warranties?; Who should buy representation and warranty insurance?; Available to buyers & sellers; Limited seller security; Is transaction liability insurance available to sellers · accessed 2026-09-16

  4. 04
    Transactional Risk Insurance

    Coverdash · Transactional risk insurance; representations and warranties coverage; buy-side policies; tax and contingent liability products · accessed 2026-09-16

  5. 05
    Private Equity and M&A

    Heffernan Insurance Brokers · Reps & Warranties Insurance; Heffernan Insurance Brokers (HIB) Private Equity and M&A Practice; Key Merger and Acquisition Insurance Services: Pre-Close Due Diligence, Insurance Placement Hub, Post-Close Insurance Strategies; Transactional Risk Mitigation to Contain Any Threats: RWI, Contingent Liability, Environmental Liability, Tax Liability, Litigation Buyout; Other Related Services: General Partnership Liability (GPL), Professional Liability/E&O, Key person insurance · accessed 2026-09-23

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