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💻 '''Software as a service''' (SaaS) is a cloud-based delivery model in which insurance organizations access software applications over the internet on a subscription basis rather than installing and maintaining them on local servers. Across the insurance value chain — from [[Definition:Policy administration system|policy administration]] and [[Definition:Claims management|claims management]] to [[Definition:Underwriting|underwriting]], [[Definition:Actuarial science|actuarial modeling]], and [[Definition:Regulatory reporting|regulatory reporting]] — SaaS platforms have become the dominant deployment paradigm for new technology investments. The model's relevance to insurance is amplified by the industry's historically heavy reliance on legacy systems, many of which were built decades ago and are costly to maintain, difficult to integrate, and ill-suited to the speed and flexibility that modern [[Definition:Insurtech|insurtech]] innovation demands.

🔄 A SaaS platform in the insurance context typically operates through a multi-tenant architecture, meaning that multiple insurers or [[Definition:Managing general agent|MGAs]] share the same underlying infrastructure while their data remains logically separated and secure. Vendors such as Guidewire (which transitioned its core suite to cloud), Duck Creek, Majesco, and numerous insurtech startups offer SaaS solutions that cover the full policy lifecycle: [[Definition:Quote and bind|quote and bind]], [[Definition:Bordereaux|bordereaux]] processing, [[Definition:Billing|billing]], [[Definition:Reinsurance|reinsurance]] cession tracking, and [[Definition:Customer relationship management|customer relationship management]]. The subscription pricing model — usually based on gross written premium volume, number of policies, or number of users — converts what was traditionally a large capital expenditure into a predictable operating expense. Updates and regulatory patches are deployed centrally by the vendor, relieving insurers of the upgrade cycles that once consumed significant IT budgets. Integration with other systems occurs through [[Definition:Application programming interface|APIs]], enabling insurers to assemble a best-of-breed technology ecosystem rather than depending on a single monolithic platform.

📈 The shift toward SaaS carries strategic implications that extend far beyond IT cost management. For traditional carriers, adopting SaaS platforms can compress product launch timelines from months to weeks, enabling faster responses to emerging risks like [[Definition:Cyber insurance|cyber]], [[Definition:Parametric insurance|parametric weather covers]], or [[Definition:Embedded insurance|embedded insurance]] distributed through non-insurance partners. For startups and MGAs, SaaS eliminates the need to build core systems from scratch, allowing them to enter the market with relatively modest technology investment and scale infrastructure as their book grows. Regulators, too, are paying attention: the concentration of critical insurance operations on a small number of cloud providers has raised questions about [[Definition:Operational resilience|operational resilience]] and [[Definition:Third-party risk management|third-party risk management]], prompting supervisory guidance in jurisdictions including the EU (through DORA — the Digital Operational Resilience Act), the UK, and Singapore. As the industry's digital transformation accelerates, SaaS has moved from an optional efficiency play to a foundational element of competitive strategy.

'''Related concepts:'''
{{Div col|colwidth=20em}}
* [[Definition:Insurtech]]
* [[Definition:Application programming interface]]
* [[Definition:Policy administration system]]
* [[Definition:Cloud computing]]
* [[Definition:Operational resilience]]
* [[Definition:Embedded insurance]]
{{Div col end}}

Definition:Software as a service - Revision history

PlumBot: Bot: Creating definition