When SAP Business ByDesign Meets Growth | Part 2 of 3

In Part 1, we explored why organisations rarely leave SAP Business ByDesign (ByD) because it stops working but because growth changes what they need from an ERP platform.

The most common misunderstanding is assuming the move to SAP Cloud ERP (S/4HANA) Public is a technical upgrade.

It isn’t.

Why Moving from SAP Business ByDesign to S/4HANA Cloud Is Not an Upgrade?

The transition is fundamentally a SAP Business ByDesign to S/4HANA Cloud migration, not a version change. It involves rethinking processes, data and operating models rather than simply moving existing configurations.

Unlike traditional upgrades, this shift requires a deliberate SAP S/4HANA Cloud implementation approach that aligns with standard processes and future scalability.

Re-implementation, not a lift and shift in SAP Cloud ERP Migration Strategy

In most cases, the transition from ByD to SAP Cloud ERP (S/4HANA) Public is a re-implementation, forming the foundation of a robust SAP Cloud ERP migration strategy, involving:

• Fit to standard process design
• Selective data migration rather than full history
• Integration redesign aligned to SAP’s Clean Core approach

SAP Cloud ERP (S/4HANA) Public is deliberately standard driven. This is a conscious design choice to enable continuous innovation and predictable upgrades, and it shapes the overall SAP Cloud ERP implementation strategy.

What a Clean Core ERP Approach Means?

A key principle of SAP S/4HANA Cloud is clean core:

• The ERP core remains standard
• Configuration and in-app extensibility are tightly governed
• Custom logic is placed in side by side extensions, typically on SAP Business Technology Platform (BTP)

For organisations defining their SAP S/4HANA Cloud implementation approach, clean core is not just a constraint. It is a design principle that enables scalability and long term agility.

Clean Core: constraint or enabler in SAP S/4HANA Cloud Implementation Approach?

A key principle of SAP S/4HANA Cloud is clean core:

• The ERP core remains standard
• Configuration and in-app extensibility are tightly governed
• Custom logic is placed in side by side extensions, typically on SAP Business Technology Platform (BTP)

For organisations used to stretching ByD with workarounds, clean core can feel restrictive at first. In practice, it often delivers the opposite:

• More stable upgrades
• Lower long term maintenance effort
• Clearer separation between standard process and differentiation

Industry solutions such as QPPS CPGWorks by Birchman demonstrate how industry specific requirements can be met without compromising clean core, using supported extensibility rather than modifying the ERP itself.

Key Elements of a Successful SAP Cloud ERP Re-implementation

A successful SAP Business ByDesign to S/4HANA Cloud migration depends on more than technology. It requires a structured SAP Cloud ERP implementation strategy built around:

• Clear business driven scope definition
• Strong alignment to fit to standard processes
• Disciplined governance and decision making
• Early focus on integration and data strategy

A well defined SAP S/4HANA Cloud implementation approach aligned to clean core principles

These elements ensure that the transition delivers long term value rather than replicating legacy complexity.

Visual Comparison: Upgrade vs Re-implementation

How Organisations Can Prepare for an ERP Reset?

Preparing for a reset requires a shift in mindset. Organisations need to move from preserving the past to enabling the future.

Key preparation steps include:

• Assessing current process complexity and technical debt
• Defining clear business outcomes and success metrics
• Aligning stakeholders around a shared transformation vision
• Building a realistic and phased SAP Cloud ERP migration strategy
• Investing in readiness for a new SAP S/4HANA Cloud implementation approach

This preparation helps reduce disruption and ensures the transformation delivers measurable value.

Pace is possible with discipline

A re-implementation does not have to mean a multi year project.

The Alfrecell case study shows what’s achievable with a focused, fit to standard approach. Alfrecell moved from SAP ECC to SAP Cloud ERP (S/4HANA) Public in 12 weeks, demonstrating that speed, standardisation and quality are not mutually exclusive when scope and decision making are aligned.

Understanding that this is a reset not an upgrade changes the entire conversation. Handled well, it removes years of accumulated technical debt and establishes a future proof platform. Handled poorly, it feels disruptive and expensive.

Which brings us to the most important question.

Is now the right time to move or not yet?

In Part 3, we look at when moving to SAP Cloud ERP (S/4HANA) Public makes sense and when staying on SAP Business ByDesign, at least for now, can still be the right decision.

Click below to read part 3:

» Moving from SAP Business ByDesign to SAP S/4HANA Cloud isn’t an upgrade. It’s a reset

FAQs

Question #1: Why is moving from SAP Business ByDesign to S/4HANA Cloud considered a reset?
Ans: Because it involves rethinking processes, data and architecture rather than simply upgrading an existing system.

Question #2: What is the SAP clean core approach?
Ans: It is a principle where the ERP core remains standard, with extensions built externally to ensure scalability and easier upgrades.

Question #3: Why is fit-to-standard important in SAP Cloud ERP implementations?
Ans: It enables faster deployment, reduces complexity and aligns organisations with best practice processes.

Question #4: How long does an SAP S/4HANA Cloud implementation take?
Ans: Timelines vary, but with a focused SAP Cloud ERP implementation strategy, projects can range from a few months to over a year depending on scope and complexity.