The authors contributing to this book, experienced academic and renowned advisers to various regional government authorities and bodies, present selected aspects of doing business in the countries, i.e., in Poland, Russia, Canada, Portugal adn Brazil, including legal frameworks and organizational forms of running business, taxation and the state support for enterpreneurs. We hope that information contained in this book will be helpful for potentional investors, operating in the global economy, considering investments in these countries. Small and medium-sized enterprises often lack capital. Therefore, despite good laws and favorable investments climate conductive to foreign capital inflows, insufficient financial resorces may have an adverse effect on the number of joint ventures with foreign partners. In this context, especially worth popularizing are successful business ventures and best practices concerning setting up and running joint-ventures. Nothing is more convincing, stimulating and inspiring than successful stories and good examples of courageous enterpreneurs who managed to overcome existing barriers and pave the way for others. The book is meant for a wide spectrum of readers interested in business and economics, including people from business, science and politic circles, as well as for students.