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🏗️ '''Layered insurance program''' is a risk-financing structure in which a large or complex insurance exposure is divided into horizontal layers, each covered by a different [[Definition:Insurance carrier | insurer]] or group of insurers. Rather than placing an entire limit with a single carrier, the program stacks coverage in tiers — typically a [[Definition:Primary insurance | primary layer]], one or more [[Definition:Excess insurance | excess layers]], and sometimes an [[Definition:Umbrella insurance | umbrella]] or buffer layer at the top. This architecture is common in commercial and specialty lines such as [[Definition:Property insurance | property]], [[Definition:Casualty insurance | casualty]], [[Definition:Directors and officers liability insurance (D&O) | D&O]], and [[Definition:Professional liability insurance | professional liability]], where total limits required may exceed any single carrier's appetite.

⚙️ Each layer in the program attaches at a specified dollar amount and exhausts at another, creating a clear sequence of responsibility. The [[Definition:Primary insurance | primary insurer]] responds first, covering losses from the ground up to its policy limit. Once that limit is exhausted, the first excess insurer picks up losses within its own band, and so on up the tower. [[Definition:Attachment point | Attachment points]], [[Definition:Policy limit | policy limits]], and [[Definition:Premium | premiums]] are negotiated layer by layer, often through a [[Definition:Insurance broker | broker]] who coordinates placements across multiple [[Definition:Insurance market | markets]]. The [[Definition:Lead insurer | lead insurer]] on each layer typically sets terms and [[Definition:Claims handling | claims-handling]] protocols, with following carriers subscribing to those conditions.

💡 Structuring coverage this way serves several strategic purposes. It diversifies [[Definition:Counterparty risk | counterparty risk]] so that no single carrier's financial distress can collapse an entire program. It also gives buyers access to higher aggregate limits than any one insurer would write alone, which is essential for large corporations, public entities, and catastrophe-exposed accounts. For insurers, participation in a specific layer lets them select the slice of risk that best fits their [[Definition:Risk appetite | risk appetite]] and [[Definition:Reinsurance | reinsurance]] arrangements — a primary carrier may accept frequency risk while an excess carrier prefers only severity exposure. The result is a flexible, scalable framework that underpins much of the commercial [[Definition:Insurance placement | placement]] market.

'''Related concepts:'''
{{Div col|colwidth=20em}}
* [[Definition:Excess insurance]]
* [[Definition:Primary insurance]]
* [[Definition:Attachment point]]
* [[Definition:Umbrella insurance]]
* [[Definition:Insurance tower]]
* [[Definition:Quota share]]
{{Div col end}}

Definition:Layered insurance program - Revision history

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