This chapter examines the smart city value. It investigates the size of the corresponding market in monetary and structural terms, and it explores the types of value that smart city generates, together with their sources. Moreover, it lists the types of businesses that work in this interdisciplinary domain, ranging from the ICT to the energy and the construction sectors, and examines the alternative business models that are being followed. Finally, it views how the smart city becomes a product or a platform for value creation, and it correlates with the city branding concept. After reading this chapter, you will be able to answer the following questions: