This report provides a comprehensive analysis of Klarna's business strategy, focusing on its macro and internal environments. It begins with an introduction to business strategy and Klarna, a Swedish bank offering digital financial solutions. The report then delves into Task 1, which applies frameworks like PESTLE analysis to evaluate the macro environment, considering political, economic, social, technological, legal, and environmental factors. Task 2 assesses Klarna's internal environment using SWOT and VRIO models. Task 3 applies Porter's five forces model to analyze the competitive landscape. Finally, Task 4 explores the application of strategic planning theories and concepts for Klarna. The report concludes with a summary of findings and references.