This chapter explores the foundational concepts of Business-to-Business (B2B) branding, emphasizing its distinct characteristics compared to Business-to-Consumer (B2C) branding. It discusses the importance of understanding customer needs and the role of brand identity in establishing trust and loyalty among business clients. Key topics include the development of effective B2B marketing strategies, the significance of storytelling in brand communication, and the integration of new technologies such as artificial intelligence and social media in enhancing customer relationships. The chapter also highlights the evolution of B2B marketing literature, showcasing various brand evaluation models and their applications in practice. Overall, this chapter serves as a comprehensive guide for practitioners and scholars aiming to navigate the complexities of B2B branding in a rapidly changing marketplace.