SAPVISTA is division of Altzen Technologies which provides SAP Infrastructure which are used for Non-Production purpose like POC's (Proof-of-concept) , DEMO Systems, IDES , Corporate  Trainings, to identify the GAPS between one version of S/4 HANA to another version of S/4 HANA , To perform mock Data Migration strategies between SAP ECC to S/4 HANA, To test the Integration between SAP BTP with S/4 HANA Private Cloud & S/4 HANA Public Cloud. 

Altzen Technologies offer Consulting Services ( like Re-design the business Processes , Development , Implementation , Migration etc ) and SAPVISTA offers SAP Server Infrastructure services in the following ERP's solutions : S/4 HANA Private Cloud, S/4 HANA Public Cloud & ECC 6.0.  Apart from this , We also offer Technology and Innovation like BTP (Business Technology Platform) solution services as part of Altzen Technologies and also BTP Tenant and Services access as part of SAPVISTA. The SAPVISTA services modelling are vary based on the category of solution which the customer/organization has subscribes.. The above picture describes the high level offering models in the context of S/4 HANA Private Cloud (On-Premise).