Lithuania has undergone a profound economic transformation, evolving from an agrarian society to a knowledge-based economy driven by innovation. The most recent data from the World Bank illustrates the expansion of high-technology exports, a modest contribution from agricultural raw materials exports, and a relatively high proportion of exports destined for high-income economies. In addition, policymakers have taken steps to enhance the business environment in Lithuania, thereby rendering the Lithuanian economy an attractive proposition for developing hidden champions. This chapter reviews the development of the Lithuanian economy in the context of the success of hidden champions in Lithuania. In addition, the chapter presents the market leadership and competitive advantages of Lithuanian hidden champions, discussing their success stories, lessons learned, and the management and leadership development needs that have emerged. The case study results demonstrate that for market leadership success, sensitivity to customer problems and their needs, the power of teamwork and a high appreciation of employees is of great importance.