Case Study: Swiss Re achieves 21x faster regression testing and 75% greater test coverage with Tricentis Tosca

SwissRe reduces time to release and increases efficiency with Tosca Testsuite in Testing

Swiss Re, the world’s second-largest reinsurer, relied on a centralized testing team of about 160 people to support 250+ applications across the organization. Its large, complex application platform required frequent, consistent regression testing, but repetitive workflows, frequent pop-ups and multiple login steps forced manual intervention and made releases slow and resource-intensive.

By adopting the Tricentis Tosca Testsuite—valued for low scripting needs, reusable libraries and Test Case Design—Swiss Re automated 248 scenarios to cover 920 manual cases, implemented recovery scenarios for overnight batch runs, and reduced manual effort and interventions. The change increased test coverage by 75%, optimized efficiency by 33%, delivered a 21x speed-up in key regression cycles (from ~63 person‑days to ~3 person‑days), and produced substantial time and cost savings.

Swiss Re

Ismail Celik

Head of Test Automation