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We plan and execute S/4HANA conversions so that the custom code, simplification items and data issues are identified and resolved well before the migration window, not discovered inside it. The work begins with readiness and simplification analysis, then custom code remediation against the new data model, then the data cleansing that so often blocks the technical run. We then rehearse the conversion repeatedly until the runbook timings are reliable and the team is not improvising on the night. This discipline matters because a conversion that fails midway is costly to unwind, and the issues that cause it are almost always knowable in advance.
In short
S/4HANA migration converts an existing SAP system to S/4HANA, handling custom code, data and simplification items. It carries the history of the current system forward, which makes early, honest analysis of that history the difference between a predictable conversion and an abandoned one.
Start a conversationWhat we do
We run the readiness checks and assess every simplification item that touches your configuration, so the functional impact is understood before any code is written. This produces a concrete list of what must change and who needs to decide, rather than a generic warning that simplification exists.
We analyse custom code against the new data model, separating what must be remediated, what can be retired and what is already compliant. Remediation is prioritised by business criticality, so effort goes where it protects live processes rather than being spread evenly across dormant objects.
We resolve the data inconsistencies that halt a conversion, such as open items and configuration mismatches, ahead of the technical run. Fixing these in the source system beforehand keeps the conversion window short and removes the pressure to make risky corrections under time pressure.
We rehearse the conversion repeatedly on progressively more production-like data until the runbook timings are predictable and repeatable. Each rehearsal tightens the sequence and the rollback plan, so the production cutover is an execution of a known script rather than a first attempt.
What you receive
Documented output your teams keep and can act on without us in the room.
When this work helps
How an engagement runs
Understand the business drivers, decision rights, existing systems, and what the programme is genuinely expected to change. We separate the outcomes that justify the investment from the features that merely sound desirable, so the programme has a clear purpose to steer by.
Review process, data, integration, controls, governance, and change readiness against the plan. We report where the plan is sound and where it rests on assumptions that will not survive contact with delivery.
Set out the target processes, control requirements, data approach, integration model, and adoption plan. Each is documented well enough for a system integrator to build to and for you to hold them to it.
Support the programme through configuration, testing, cutover, and stabilisation with independent oversight. We keep the line on scope, data readiness, and controls while the integrator delivers, and flag drift while it is still correctable.
Where we work
Fidova provides SAP consulting from Delhi, India, and supports multi-country programmes internationally, including entities with different statutory, tax, and reporting requirements across regions.
Engagements run in English, are scheduled around your time zone, and can be delivered remotely end to end, with on-site time planned where a phase genuinely benefits from being in the room.
Related services
ECC support and modernisation keeps existing SAP ECC systems stable and improves them while a future path is decided. It treats ECC as a platform still worth running well, not merely as something to be endured until migration.
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ABAP development builds and maintains custom SAP logic, reports and interfaces to a defined standard. The standard is the point: code written to be read, reviewed and upgraded is what separates a maintainable estate from a liability.
Questions
Straight answers to what buyers ask us before an engagement begins.
Enquiries
Your enquiry lands in the same inbox as every other on this site and is read by us. Tell us the requirement and we will reply with a practical next step.
Prefer email? contact@fidovaadvisory.com
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