A Governed Power BI Ecosystem for Enterprise Reporting
Modernizing a fragmented legacy reporting landscape — SAP BusinessObjects, Tableau, SAP, ISPASS and Google Cloud — into one governed Power BI architecture.
- Power BI
- Alteryx
- SAP
- Google Cloud
The business challenge
The client's reporting environment mixed legacy reporting technologies, enterprise systems, on-premises data sources, cloud environments and independently developed reports — SAP BusinessObjects, Tableau, SAP data, ISPASS, Google Cloud/Big Data and other operational sources. Information was available but not easy to maintain, integrate, govern or consume consistently. Migration was never just recreating charts: understanding where data came from, how reports calculated their metrics and which reports were still relevant were the real challenges.
The solution
Z&C worked from report migration up to data architecture. Legacy reports were reviewed first — KPIs, source systems, SAP dependencies, existing Tableau and BusinessObjects logic, refresh requirements, consumers, security and consolidation opportunities — then rebuilt across source, integration, and analytics & presentation layers. Every migrated report went through logic validation and reconciliation so it could never silently produce a different business result.
Implementation
How the system was built, step by step.
Source layer
SAP, ISPASS, Google Cloud/Big Data, enterprise databases, legacy reporting sources and operational systems brought into one governed architecture.
Integration layer
Alteryx, APIs, iPaaS, ETL/ELT processes, data transformations, gateway connectivity and RPA where appropriate.
Analytics & presentation layer
Power BI semantic models, DAX, Power Query, reusable KPIs and row-level security powering reports, apps and executive/operational dashboards.
On-premises bridge
The Power BI gateway bridged on-premises sources so enterprise data kept supporting reporting during the transition.
Logic validation & reconciliation
SQL logic, joins, filters, aggregations, date logic and DAX validated per migrated report; report-specific calculations moved toward reusable governed business logic.
Business results
What changed for the business once the system was live.
Governed foundation
Multiple enterprise sources now feed one Power BI ecosystem with centralized, reusable business logic.
Consistent KPIs
Executive and operational reporting share the same definitions across finance, procurement, operations and customer care.
Security & control
Governed access and distribution through Power BI Apps, with cloud and on-premises data coexisting.
Future-ready platform
A foundation positioned for new analytics and AI use cases — not just a visualization tool.
Case positioning
Power BI became part of the broader enterprise data and analytics architecture — connecting planned output to actual performance across the business.