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Policy Administration System Modernisation for Commercial Lines

We modernised a legacy policy administration system into a configurable product and policy platform. New commercial products and endorsements are configured rather than coded.

European specialty commercial insurer (composite) · Insurance

Policy Administration System Modernisation for Commercial Lines

Challenge

Migrating in-force policies with complex endorsement histories without disrupting renewals. We ran parallel rating, reconciled premiums for every migrated policy and scheduled cut-overs between renewal peaks.

Approach

We introduced a product configuration layer (coverages, rating factors, forms, rules) on a cloud-native policy services core with APIs for quote, bind, endorse, renew and cancel. A strangler-fig approach moved one product line at a time, with event synchronisation back to the legacy system until cut-over. A broker portal provides quoting and document generation, and a data migration factory converted in-force policies with reconciliation reports for each batch.

Outcome

New products and rate changes configured in weeks rather than months Illustratively ~30–50% lower change effort for product updates Better broker experience with self-service quoting Modern APIs enable partner and embedded distribution Clean migration with policy-by-policy reconciliation

✓New products and rate changes configured in weeks rather than months
~30–50%Illustratively lower change effort for product updates
✓Better broker experience with self-service quoting

Problem solved

Every product change required lengthy development on a mainframe-era system, delaying launches and frustrating brokers.

What we built

We introduced a product configuration layer (coverages, rating factors, forms, rules) on a cloud-native policy services core with APIs for quote, bind, endorse, renew and cancel. A strangler-fig approach moved one product line at a time, with event synchronisation back to the legacy system until cut-over. A broker portal provides quoting and document generation, and a data migration factory converted in-force policies with reconciliation reports for each batch.

Benefits

New products and rate changes configured in weeks rather than months Illustratively ~30–50% lower change effort for product updates Better broker experience with self-service quoting Modern APIs enable partner and embedded distribution Clean migration with policy-by-policy reconciliation

Policy administrationProduct configurationCloud-native APIsStrangler patternBroker portal

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