In the dynamic landscape of the Oil & Gas Industry, Information Technology (IT) emerges not only as an enabler but as the central driving force reshaping business operational paradigms. This paper delves into the transformative power of Enterprise Resource Planning (ERP) systems, with a spotlight on the agile approach unveils the critical role of the Software as a Service (SaaS) Systems establishment of the Applications, and Products in Data Processing (SAP), in providing a means to mitigate the business process gaps anticipates the indefinite time of Gazettal issuance, streamlining operations, and accelerate business deployment to maintain the oil production sustainability during liquidation and transition phase for a new Production Sharing Contract (PSC) in the case study of a site acquisition in Oil & Gas Industry. The primary data collection is gathered through Focus Group Discussions (FGDs) with key stakeholders, including the Company’s Management, Subholding Upstream, and Holding’s task force team consisting of SAP Consultants, and Business Process Owners (Subject Matter Experts) who are well-versed in the business requirements and current surrounding issues. Combining the literature review for secondary data collection for broader context and insights into best practices and lessons learned in similar cases. The data analysis focuses on the External Strategic Factors Analysis Summary (EFAS) is conducted using PESTLE, Porter’s Five Forces, and the Competitor Analysis to gain a competitive landscape, while the Internal Strategic Factors Analysis Summary (IFAS) with the VRIO framework, assessing a firm’s internal resources and capabilities to maintain a competitive edge over the long term, summarizes the key external & internal factors for the SWOT analysis resulting the alternative strategies. The ultimate best alternative strategy utilizes the Quantitative Strategic Planning Matrix (QSPM) method by analyzing attractiveness scores to the factors & enhances the probability of selecting the best strategic options. Through real-world case studies on a site acquisition and Oil & Gas Industry insights, the paper underscores how SAP SaaS Roll-Out with an established Shared Service Centre as a support organization could revolutionize the Oil & Gas sector, paving the way for enhanced efficiency, sustainability, and strategic decision-making would benefit in the Liquidation and Transition phase of a PSC. Ultimately, this research illuminates the indispensable nature of the SAP applications, as the linchpin driving the industry’s progression towards a more agile, competitive, and ready-to-use landscape as it opens further feasibility study of SAP SaaS “packaged-solution” deployment for the benefit of next block acquisition.