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Case StudyFinance & SpendSteel Manufacturing

P2P Optimization and Modernization for a Fortune 400 Steel Producer

4
Core platforms brought into one cohesive architecture
2
Supplier models supported: PO Flip and integrated scenarios
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Workstreams from end-to-end assessment through modernization planning
01 · The Situation

Complexity Had Accumulated Across the P2P Landscape.

A Fortune 400 steel producer was undertaking a significant transformation of its Procure-to-Pay environment. The landscape included SAP ECC, SAP Business Network, SAP Ariba Buying, and OpenText Vendor Invoice Management (VIM), together with multiple supplier scenarios, integrations, and existing technology components. As the transformation evolved, complexity had accumulated: certain tools and components overlapped with capabilities available elsewhere in the architecture. Continuing to build on top of this complexity would have increased operating cost and made future modernization more difficult. The client needed to reconsider the architecture itself, not simply implement additional technology.

02 · What Optima Did

Optimized the Scenarios and the Architecture Underneath Them.

End-to-end P2P assessment: evaluated procurement, supplier collaboration, invoicing, and SAP processing as a single business process.
Architecture optimization and landscape simplification: reviewed the role of each solution and identified redundant components that could be removed.
Business scenario refinement: adjusted scenarios to align technology capabilities with actual business requirements.
SAP Business Network integration: optimized supplier connectivity and transaction flows, supporting both PO Flip and integrated supplier scenarios.
Ariba Buying alignment and VIM optimization: connected procurement to the Invoice-to-Pay architecture and aligned invoice rules and exception handling with upstream processes.
Multi-realm environment and modernization planning: addressed the multi-realm SAP Ariba landscape and established an architecture able to support modernization of the broader P2P stack.
03 · The Outcome

Modernization Through Simplification.

Unnecessary solutions and redundant technology components could be removed from the P2P landscape, generating savings and lowering the long-term burden of maintaining overlapping capabilities. The target architecture established clearer responsibilities across platforms, brought procurement, invoice management, SAP processing, and supplier connectivity into a more cohesive design, and supported both integrated and PO Flip supplier scenarios. Transformation does not always require adding another platform: here value came from determining what could be removed, simplified, or realigned.

Related Outcomes
Fortune 500 Construction
Modernizing Invoice Management & Procurement Using SAP Ariba
The Toro Company
Eliminating Global Invoicing Obstacles
Dermavant
Transforming Invoice Management to Prepare for Growth