Migration to Guidewire PolicyCenter – Large German Insurance Group
Full migration of legacy policy data to Guidewire PolicyCenter with automated business processes and uninterrupted operations across multiple business lines.
Client: Major German insurance group
Project period: April 2021 – October 2023 (post-go-live support through February 2024)
Project in numbers
records migrated in large-scale testing and production cutover while preserving data consistency and quality.
project delivery plus three months of post-go-live support through February 2024.
business lines covered: Private Liability, General Liability, Household, and Building.
Client and project context
Client Major German insurance group – 7.4M customers, 8,000 employees; portfolio: P&C, motor, health, life, liability.
Context The project delivered a full migration from legacy platforms to Guidewire PolicyCenter while maintaining business continuity, regulatory compliance, and uninterrupted customer service.
Project goals
Migrate data from legacy platforms to Guidewire PolicyCenter
Automate key business processes (policy issuance, payment channel changes, contact deduplication)
Ensure uninterrupted operations and full regulatory compliance
Project scope and team
Project scope
- End-to-end migration strategy covering policies, contacts, and activities including analysis and planning
- Overcoming major challenges of transforming legacy data into GW effective-dated model
- DevOps environment setup (OpenShift, SQL Server, SOAP/REST, AWS Event Bus/S3 integrations)
- Large-scale migration testing (>3M records)
- ETL implementation: transformation, mapping, and data loading into Guidewire framework
- Policy issuance automation with SAP ICM/FSCD synchronization
- Post-go-live monitoring and stabilization
Project team
Cross-functional team A
Cross-functional team B
Business stakeholder support
Two cross-functional teams (5–8 per team) complemented by business stakeholder support.
Additional solutions and best practices
Resilient contact deduplication workflow with retry logic and "survivor contact" consolidation
Flexible payment data management workflows (account/card changes, payer changes, deceased payer scenarios)
Extension of PolicyCenter data model with auditable historical payer records
KPI dashboards for real-time monitoring of migration progress and workflow performance
Implementation results
Seamless migration with zero customer-facing downtime
Fully automated migration and policy issuance workflows
Improved data quality and regulatory compliance
Scalable, unified platform supporting future growth
Technical architecture
Platform
Guidewire PolicyCenter (on-premise, OpenShift)
Database
Microsoft SQL Server
Integrations
REST, SOAP, AWS Event Bus, batch ETL
Security
OAuth 2.0, TLS, GDPR, BaFin compliance
DevOps
Jenkins, Tekton; quality assurance via SonarQube, GUnits
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