BI & Analytics Case Study Scalable Cloud-based Data Warehouse which saves OPEX for a Leading Stock Exchange Hexaware performed due diligence of the data environment for one of the largest stock exchange companies in Europe and migrated their 12-year-old on-premise SQL data warehouse (DW) to a highly scalable Cloud DW and Analytics infrastructure by implementing a stack, based on EMR, Redshift, Talend and S3 of the AWS Cloud platform. Key Benefits Reduced several hours of multi-part data ingestion to an automated single bulk load, saving 6 hours of data loading time The Cloud DW was extended to deliver information and analytical insights for external clients through a self-service model Migrating data onto the Cloud led to savings of over £800,000 on infrastructure and licensing costs annually