What is a Greenfield SAP S/4HANA implementation?

A net-new SAP S/4HANA environment is configured to align with SAP's current best-practice standards. In this Greenfield implementation, business processes are redesigned during fit-to-standard workshops prior to the start of configuration, ensuring that they are not retrofitted from legacy systems. This approach facilitates efficient data migration and a more seamless SAP S/4HANA implementation.

Only current, high-quality master data and open transactional data are utilized during the data migration process. For a successful Greenfield implementation of an SAP S/4HANA implementation, historical data that is no longer operationally needed is archived securely rather than migrated — ensuring the new system remains clean from day one.

A Greenfield implementation is ideal when legacy complexity, technical debt, or poor data quality make data migration in a brownfield conversion problematic, as it would carry those issues forward instead of resolving them—especially when you're transitioning to an SAP S/4HANA implementation in the SAP Public Cloud.

A Greenfield implementation requires more upfront investment in design, testing, and change management than a conversion, especially when considering data migration to a new system. Moreover, previous investments in ECC customisations are not carried forward in this process. However, the payoff is a cleaner, more agile system in the long term, particularly with an SAP S/4HANA implementation.