This report provides a comprehensive analysis of brand management principles, focusing on the strategies employed by Optimum Impression Ltd, an advertising organization, and Toyota. The introduction defines key concepts like brand equity, its components (customer perception, positive/negative effects, and value of results), and the stages of building a successful brand, referencing Aaker's brand equity model. The report explores the role of the marketing department in creating brand equity, including conducting campaigns, managing promotional materials, search engine optimization, and managing social media. A case study on Optimum Impression Ltd details strategies for strengthening brand equity, such as quality products, competitive analysis, customer feedback, brand extension, and reinforcing brands. The report then examines Toyota's brand portfolio strategy, including the house of brands model and branded house approach, and discusses hierarchy management of brands, including corporate branding and umbrella branding. The report emphasizes the importance of brand awareness, market share, consumer attitude, and purchasing intent in brand management. The conclusion highlights the importance of branding for product marketing, generating revenue, and maintaining a competitive advantage. Overall, the report offers valuable insights into the complex world of brand management and its application in real-world scenarios.