Case Study: Tower Group achieves a unified enterprise data warehouse and actionable analytics with Teradata

TowerGroup - Customer Case Study

Nationwide Insurance, a large multiline carrier with a major property & casualty business, faced the common insurance challenge of fragmented, organically grown systems that left critical operational data siloed and hard to analyze. Prior consolidation attempts stalled amid scope creep and weak business–IT alignment, leaving the company without a reliable “source of truth” for reporting, analytics, and strategic decision-making.

Nationwide built the Galaxy data warehouse (on Teradata) backed by rigorous data cleansing, a vendor partnership, and a formal governance model that put business stakeholders in the lead alongside IT champions. The result: a trusted enterprise data source used by actuarial, finance and other units, industry awards, predictable ROI and sustained funding, over 1.2 TB of production data with performant queries, and expansion of the platform across the organization.

Tower Group