Multinationals and SMEs need to expand into international markets. Selling abroad might have been merely an option in the past, but today?s firms have no choice but to sell to international markets if they want to survive and grow sustainably. Managers face several challenges when deciding how to access international markets, and decisions taken at the beginning of an internationalization process will determine the future success or failure of a company endeavoring to sell abroad. International Expansion focuses on the entry strategies for international markets. We will study which steps managers need to take to ensure a sustainable presence overseas. We will analyze the best options for large and small companies looking to sell overseas and we will explore the challenges, opportunities and risks that managers face in difficult environments.