Mainframe Migration Case Studies

Real Fortune 500 mainframe migration case studies with actual costs, timelines, ROI data, and lessons learned.

Banking

Global Bank Migrates 40-Year COBOL Core to AWS: $47M Saved

Timeline: 24 months
Cost Savings: 43%
Industry: Banking
Insurance

Insurance Giant's 18-Month DB2-to-PostgreSQL Journey

Timeline: 18 months
Cost Savings: 52%
Industry: Insurance
Healthcare

Healthcare Provider Achieves HIPAA-Compliant Cloud Migration

Timeline: 22 months
Cost Savings: 47%
Industry: Healthcare
Retail

Retail Chain Replaces POS Mainframe: 99.99% Uptime

Timeline: 16 months
Cost Savings: 61%
Industry: Retail