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SAP S/4HANA System Conversion

Migrate to SAP S/4HANA with a Brownfield Conversion

You’ve already shaped an IT landscape that fits your business? Keep your structure and processes intact while converting your existing SAP ERP system to SAP S/4HANA on a fixed schedule and budget with the SAP S/4HANA Brownfield Approach.

System Conversion to SAP S/4HANA

Upgrade Your System, Retain Your Processes: Your Soft Transition to SAP S/4HANA

They say, “never change a running system”. But you know that your business will benefit from a move to the innovative and efficiency boosting SAP S/4HANA ERP. You also know that your existing SAP ERP system will no longer be supported by 2027. So how about an upgrade of your running system, but you don’t have to change your running processes?

A System Conversion, also called Brownfield Conversion, allows you to keep your well-known and tested routines while benefiting from the new possibilities and technologies of SAP S/4HANA. Hold on to your company’s individual and well-established processes and access all historical data as well as your own developments in the new system.

Sounds interesting? Contact us to talk about your SAP S/4HANA Brownfield Conversion.

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Convert your existing ERP system with your common processes and data to SAP S/4HANA

What Is a SAP S/4HANA Brownfield Conversion?

Brownfield Conversion means that you migrate your data from an existing SAP Business Suite system to SAP S/4HANA. Your existing ERP system (e.g. SAP ECC) is upgraded to the new version of the Business Suite by performing a step by step conversion.

What you receive is a mix of accustomed features you’ve grown to like and new features that help you improve your business even further. Processes can be adapted to the SAP standard and with the launch of RISE with SAP, there is also the option of switching from an on-premise to a cloud-based SAP system in the course of a Brownfield Conversion.

This migration approach is best suited for companies that want to retain their previous invest, individualizations and customizations.

Download a more detailed version of this flow chart and get arguments for your internal decision-making process.

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Benefits of a SAP System Conversion at a Glance

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The System Conversion carries only slight changes, minimizing the need for change management. Moreover, end users will benefit from the system improvements (e.g. increased speed, improved UX, and more) without having to undergo extensive trainings. This saves you time and money.

Minimize Risks of Migration

Keeping your proven daily business processes thanks to the Brownfield Approach does not only save you set up time and resources. It also reduces risks during your migration to SAP S/4HANA like data loss or downtime.

Transition Fast and in One Big Step

Once we have fully prepared your old ERP system for the conversion, we swiftly transition to SAP S/4HANA in one overall step – quickly and straight forward. By doing so, we avoid the necessity to establish two parallel system landscapes, whose maintenance would be costly and time consuming

We Help You Move: Our Conversion Factory and Its Benefits

Migrating to SAP S/4HANA opens up lots of new opportunities. But these kinds of large-scale projects that involve fundamental changes of your legacy system can only be disruptive, right? Fortunately, that doesn’t have to be the case.

In order to make your System Conversion as efficient and smooth as possible, we have developed our SAP-qualified Conversion Factory. It’s our unique approach to perform a Brownfield Conversion that streamlines your transition: You can keep your individual processes and adopt new innovations in your own pace – moving to SAP S/4HANA on a fixed schedule and budget.

We explained this approach and offering in more detail in a webinar: Intelligent Move to SAP S/4HANA.

Watch on Demand Webinar
successful System Conversions in 100+ conversion projects
22+ weeks
our Conversion Factory offers a fixed schedule and budget
experts worldwide provide you with round-the-clock support

SAP S/4HANA Conversion on a Fixed Schedule and Budget

Through our local experts and the Conversion Factory, we can offer our customers a great deal of flexibility. The system will be converted 1:1 on to the new business suite, including adaptations for the modules/functions that are necessary for SAP S/4HANA adoption.

Rajiv Surendra, Head of Demo & Product Landscape Services

How Other Companies Converted Their SAP ERP with Our Help

Two scientiests working on computer in laboratory
Basilea Pharmaceutica International

Basilea Pharmaceutical successfully navigates SAP ERP to S/4HANA migration, overcoming challenges like tight deadlines & compliance, with NTT DATA Business Solution's efficient Conversion Factory, ensuring future-readiness & innovation access.

Image Wiegel Gruppe
Wiegel Group

Embracing innovation, Wiegel undertook a strategic SAP S/4HANA conversion with NTT DATA Business Solutions, emphasizing a meticulous testing phase to ensure a seamless transition. This successful project, completed on time and within budget, positions Wiegel at the forefront of technological advancement in its industry.


Handling 6,000 orders per day effortlessly, thanks to SAP S/4HANA and our food software solutions; that’s what Smeding Groenten en Fruit achieved with the renewal of their IT landscape.

toom Baumarkt flower department reference for SAP S/4HANA
toom Baumarkt

The company aims to deliver exceptional customer experiences via interconnected retail. To achieve this, toom employed the SAP® Integration Solution Advisory Methodology, ensuring seamless integration of SAP with third-party solutions in a revamped application architecture.

Bette GmbH & Co. KG – SAP S/4HANA Conversion in the Brownfield Approach

With SAP S/4HANA, Bette is well on its way to becoming an Intelligent Enterprise and benefits from the many advantages of the solution. These include the in-memory technology of the integrated database. It enables new analysis possibilities in real time with less required storage space and leads to a reduction...

Fertin Pharma chose SAP standard
Fertin Pharma Choosing SAP Standard to Gain Extraordinary Benefits

Fertin Pharma’s former ERP platform did not support the company’s business strategy or growth. Together with NTT DATA Business Solutions, Fertin Pharma made an active and bold decision to go for a standard SAP S/4HANA solution as one of the first companies in Denmark.

Speak to Us About Your SAP Conversion

You are interested in a Brownfield Approach for SAP S/4HANA – but need some more information on the System Conversion before making a move?

You want to migrate to SAP S/4HANA via System Conversion? Or you would like to evaluate SAP S/4HANA for your business in a “sandbox” test environment first?

Our Conversion Factory specialists will be happy to help you! Just contact us!

Not Sure a Brownfield Conversion Is the Right Approach for You?

Take a look at other ways to migrate from your currently used SAP ERP to SAP S/4HANA.

New Implementation

Greenfield Approach: Start your IT fresh with a brand-new and powerful SAP S/4HANA ERP, a clear data structure and customizable business processes.

Selective Data Transition (SDT)

SAP Landscape Transformation: Select your data for moving based on an in-depth analysis, transfer various ERPs into one efficiently, and profit from leaner systems in the future.