The Benefits of Collaboration, Cooperation, and Partnership

When companies migrate to SAP S/4HANA, IT leads the charge. Budgets are tight, timelines are set, and the focus is on a smooth rollout. Tax is often an afterthought, and that's where problems start.

Why overlooking tax during migration creates risk

Native ERP tax settings are rarely enough. Most SAP environments rely on years of country-specific customizations: a patchwork of workarounds that can't simply be copied into S/4HANA. When tax requirements get addressed late in a migration, they can block or delay the entire project. Compliance errors, miscommunication between teams, and last-minute fixes waste time and budget that IT can't afford to lose.

On the tax side, the risks are just as real. Coding errors, master data issues, and decentralized processes create exposure across indirect tax operations. With tax authorities increasingly tapping into transactional data in near real time, there's little margin for error.

The case for a joint business approach

A migration to SAP S/4HANA is actually an opportunity for both Tax and IT to reset. Tax teams can centralize, optimize, and automate indirect tax operations. IT teams can eliminate the burden of maintaining custom-built tax logic across multiple ERP instances.

The key is building a shared business case early, before budgets are locked. When Tax brings IT a third-party tax engine proposal at the right moment, it's not added complexity. It's a proven solution that removes risk from the project and reduces the drain on IT resources.

How Vertex supports both teams

Vertex O Series is designed to integrate with SAP S/4HANA and improve tax determination accuracy beyond what native ERP functionality can deliver. While a standard ERP system may evaluate only a handful of data points per transaction, Vertex O Series can assess more than 100 data elements to determine the correct tax outcome.

For IT, this means tax research, maintenance, and legislative updates are handled by Vertex, not your internal team. For Tax, it means centralized control, automated processes, and confidence that indirect tax determination keeps pace with a constantly changing global compliance landscape.

Migrating to SAP S/4HANA is a significant undertaking. Bringing Tax and IT together from the start, with the right technology partner, makes the journey smoother for everyone.