Public cloud services and private on-premise cloud services fulfill different requirements of the users and should be chosen based on which suits the best to fulfill the requirements of their company. In this research paper the benefits and demerits of the using the Public or On-Premise cloud is given and which would be best suited for your requirements is also stated according to your varied needs. The detailed analysis and the responses gathered using the Google form show that around 80% of the companies uses cloud services. Around 49% of the companies are using Public Cloud as the service as it is less expensive and in comparison, other 46% companies are using On-Premise due to the security and the external risks like power cut etc. which cannot be avoided in public cloud. The gathered responses clearly show that the public cloud is still dominating the cloud services sector and the reason behind it is that it is less expensive, easy to use and it also offers the feature of scalability. This research also shows that both service types will each have their own exclusive niche sectors of companies.

Keywords : Keywords:- Public Cloud, On-Premise Cloud, Federated Cloud.