Success Story · Multi-Entity Manufacturing & Retail Group

Upgrading the Platform Six Businesses Depend On, Without Any of Them Noticing

A six-entity group upgraded its core SAP S/4HANA platform across every business unit in a single coordinated programme, and got through cutover weekend with zero business disruption.

The Challenge

A core Enterprise Resource Planning (ERP) platform that has fallen several releases behind is a quiet, compounding risk: every quarter it stays there, the gap to modern capability widens, vendor support narrows, and the eventual upgrade gets larger and riskier. For a group running six live, operating businesses on the same shared platform, spanning manufacturing plants, retail stores and food-service outlets, an upgrade is not a weekend IT task. It is a single coordinated event where a mistake in one company code can ripple into six businesses' ability to trade.

How Newen Helped

Newen ran a full SAP Readiness Check and custom code impact assessment before a single line of the upgrade began, identifying every simplification item, compatibility gap and custom development that needed attention across the technical landscape. Rather than treat the platform vendor's cloud upgrade service as covering the whole job, Newen explicitly owned the parts it does not: functional and business-process validation, Fiori activation, and code remediation, across all six entities.

Each business unit received its own tailored stakeholder communication plan, because a retail store team, a food-service operator and a manufacturing plant do not need to hear about a platform upgrade the same way. The technical upgrade itself moved through a disciplined three-tier path, development, quality assurance, then production, with a defined downtime window, a development freeze period, and a rollback plan agreed before cutover, not improvised during it.

The Results

The production cutover executed inside its planned downtime window and completed ahead of schedule. All six entities came back online on the upgraded platform with, in the group's own words, zero business disruption, on schedule, on scope, and on budget. Six businesses that depend on the same ERP platform every single day never had to know how close a poorly run version of this weekend could have come to affecting them.