Case Study: Large European Multinational Bank achieves >99% test coverage and 90% reduction in manual effort with Synthesized

How To Automatically Generate Accurate Test Data And Increase Test Coverage To >99%

Large European Multinational Bank faced long, risky, and resource-intensive testing cycles for regulatory reporting across its Insurance, Asset Management and Financial Products divisions; manual extraction, masking and reconciliation of production data meant teams could not guarantee full scenario coverage. To solve this, the bank engaged Synthesized and its DataOps/testing suite to automate GDPR-compliant test data generation and scientifically measure test coverage.

Synthesized implemented an automated framework that ingested complex business rules, simulated and rebalanced datasets, and generated missing inputs on demand, enabling intelligent test data for every business rule. The Synthesized platform delivered >99% of test-case coverage, reduced manual setup effort by 90%, and produced over £1M in cost savings per project while enabling real-time generation of additional scenarios and earlier defect discovery.