This essay provides a comprehensive analysis of business improvement and change management strategies, specifically examining their application within Jaguar Land Rover (JLR). The introduction highlights the importance of continuous improvement in a competitive market, emphasizing business process improvement as a systematic approach to optimize outcomes. The essay evaluates change management models, including the Kurt Lewin Change model and the McKinsey 7-S model, to understand how JLR has transformed its business. It explores the core competencies and capabilities of JLR, such as sustainable manufacturing and a strong brand image. The essay delves into the application of these models, discussing their advantages and disadvantages, and critically analyzing the use of transformational change and continuous improvement models, including the Deming Cycle, to facilitate continuous modifications within JLR's business processes. The analysis covers the implementation of these models, addressing challenges like employee resistance, and showcasing how JLR can leverage these frameworks to enhance efficiency, customer satisfaction, and long-term sustainability.