S/4HANA Conversion

Migrate from SAP ECC to S/4HANA with guaranteed data accuracy, minimal business disruption, and a clear path to the SAP Intelligent Enterprise.

2027 ECC End-of-Life
Validated Data Migration
3 Conversion Paths
Post Go-Live Support
SAP ECC mainstream maintenance ends in 2027. Every month delayed is a month closer to forced migration under pressure.
Start planning now →
2027ECC End-of-Life
RigorousData Validation
3Conversion Approaches
StructuredPost Go-Live Support

Three Paths to S/4HANA

We help you choose and execute the right conversion strategy for your organisation's size, timeline, and risk appetite.

System Conversion

Convert your existing ECC system in-place to S/4HANA using SAP's Software Update Manager. Lowest risk, preserves all historical data.

Retain all historical data
Minimal process redesign required
Lower cost & risk profile
Best for stable, well-maintained landscapes

Greenfield Implementation

Build a fresh S/4HANA system with fully redesigned processes. Maximum transformation potential with industry best practices from the ground up.

Full process redesign freedom
Best-practice SAP configuration
Maximum transformation impact
Highest long-term ROI potential

Conversion Methodology

A structured 6-phase conversion approach that minimises risk and guarantees data integrity throughout.

01
01
Readiness Assessment

Custom-code analysis, data quality audit, infrastructure sizing, and process gap analysis against S/4HANA standards.

02
02
Conversion Strategy

Define the conversion approach, create the detailed project plan, and establish the technical conversion environment.

03
03
Technical Conversion (SUM)

Execute the conversion using SAP Software Update Manager with DMIS/SUM. Multiple rehearsals before production.

04
04
Functional Remediation

Adapt business processes to the S/4HANA simplified data model and enable the new Fiori UX experience.

05
05
Data Migration & Validation

Execute and validate all data migration objects with reconciliation reports and business sign-off at each checkpoint.

06
06
Cutover & Stabilisation

Structured cutover plan with 24/7 dedicated support and a defined post go-live stabilisation period with SLA-backed incident response, scoped to project complexity.

S/4HANA Benefits After Conversion

Moving to S/4HANA is not just a technical upgrade — it's a platform for intelligent, real-time operations that positions your organisation for the next decade.

Real-time analytics on HANA in-memory DB
Simplified data model — up to 90% storage reduction
Modern Fiori UX increases user productivity
SAP Intelligent Enterprise AI & ML features
RISE with SAP cloud flexibility options
Future-proof: supported by SAP through 2040+
Embedded analytics eliminate separate BI add-ons
Free Readiness Check

Find out how ready your ECC system is for S/4HANA conversion — at no cost. Our experts will assess your landscape and provide a written readiness report.

Start Free Assessment

Don't Wait for the 2027 Deadline

Every month delayed is a month closer to forced migration under pressure. Start planning your S/4HANA conversion now with Y2NC's proven methodology.

Plan My Conversion