The implementation involves different processes depending on the type of customer. The new implementation is meant for customers who want to shift from their legacy system. It can be an SAP or a non SAP system and implementation is done from scratch.
The system conversion transition scenario targets customers who are willing to convert their present systems into SAP S/4 HANA. This helps the business as there is no disruption and things can be carried on as they were in the previous system once the SAP S/4 HANA Implementation is complete.
The landscape transformation is meant for customers who want to bring in data in a selective manner. This helps in focusing on important areas and improves adaptability to SAP S/4 HANA.
There are consultants with experience to handle the implementation process for you in a seamless manner, with great proficiency, knowledge transfer and cultural fit.