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From complexity to clarity: Seamless transition to SAP S/4HANA

Case Studie

 

Erfolgreiche H4S4 Migration bei Stadtwerke München mit Unterstützung von Natuvion


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IT | Münster | ca. 1,500 employees | 388 million EUR revenue

Ratiodata has been a leading IT service provider and Managed Service Provider since 1972, earning multiple awards for its excellence. The company specializes in tailored solutions, delivering IT hardware, software, and services with the highest standards of certified quality and security. Ratiodata’s expertise is particularly strong in solutions for clients with complex IT and digitalization needs or stringent regulatory requirements. As a wholly owned subsidiary of Atruvia, Ratiodata serves as a trusted systems partner to the Cooperative Financial Group. With approximately 1,500 employees across Germany, ten nationwide locations, and 22 campus teams, Ratiodata is among the largest system integrators and technology partners in the country.

For more information, visit www.ratiodata.de

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Über die Stadtwerke München

Umsatz: 9.672 Mrd. Euro

Industrie: Energie

Produkte | Services: Strom, Gas, Wasser, Bäder, Elektromobilität,
Photovoltaik, Telekommunikation

Natuvion Leistung: Conversion auf HCM für SAP S/4 HANA

Challenge
  • Migration from SAP ECC to SAP S/4HANA.

  • Carve-out of two specific company codes from a complex, historically grown SAP ECC system.

  • Resolution of performance issues, process optimization, and ensuring business continuity throughout the migration.

  • Integration of additional requirements, including the implementation of a content server after project initiation.

Solution
  • Leveraging Selective Data Transition to migrate only relevant data.

  • Execution of six testing cycles prior to a successful go-live in the seventh iteration.

  • Using the Natuvion Data Conversion Suite (DCS) as a central data hub and ETL tool to accelerate the transformation.

  • Close collaboration between Ratiodata and Natuvion to enable flexible adjustments and efficient delivery. 

Result
  • Successful migration to SAP S/4HANA with optimized processes and improved system performance.

  • Significant reduction in logistics conversion time from nine hours to less than one hour.

  • Smooth go-live with minimal disruption, with only two tickets reported.

  • A future-proof, scalable ERP platform enabling innovation and long-term business success. 

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Objective

Ratiodata chose to modernize its ERP landscape by migrating from its existing SAP ECC environment to a state-of-the-art SAP S/4HANA platform. The transformation was designed not only to ensure a seamless technical transition, but also to enhance system performance, optimize business processes, and establish a scalable ERP foundation for long-term success. These tasks brought the transformation experts from Natuvion into action.

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Industry:

IT

Key services:

SAP S/4HANA Transformation

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Project approach:

Selective Data Transition

Project duration:

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Source system:

SAP ECC

Target system:

SAP S/4HANA

Detailed project overview

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Download the full success story as a PDF

This project exemplifies how expertise, adaptability, and collaboration can overcome complex challenges to deliver exceptional results. The transition not only fulfilled its immediate goals but also positioned us for long-term success.
Projectmanager, Ratiodata

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Get in touch with our SAP S/4HANA transformation expert

Rainer Euchermann

Rainer Euchermann

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