Globalization era has provide us with such benefits with all the technology and business innovations, but with the high pace of competition, the ability to adapt and evolve is increasingly important and demand of creating product with the latest technology became more common, this creates a problem for system provider that offer large Enterprise software as their system, as it is inherently complex and hard to maintain. To deal with this complexity, one of the emerging concept as a solution for

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... this is by converting the enterprise system into SaaS or "software as a service" model, as it enable financial system providers to segregate their banking package into several modules or services with high elasticity and scalability, thus makes it easier to manage. But before adopting the SaaS technology, organizations need to know what kind of changes that need to be expected, as implementing retail banking system with SaaS model can be regarded as a different business model than the traditional in-house retail system, depending of the degree of model adoption, the changes emerged may be significant and if the organization is not ready then it will do more damage than benefits. This paper is trying to provide organization a strategic view for consideration before they can adopt SaaS model for their retail banking applications and highlighting some strategic considerations of SaaS model over traditional in-house applications.