The master thesis first deals with definition of business contractual relationship (sources, formation, freedom of contract) and indicates ways of resolving disputes arising from it within the Czech legal code. Through defining the concept of cross-border element the master thesis attains on how to resolve business disputes over contractual obligations at the EU level. Core topic of thesis deals with jurisdiction in commercial matters, the law applicable to contractual obligations, alternative dispute resolution as well as the recognition and enforcement of judgements or of different rulings. The last part of the thesis deals with a practical procedure which shows how to resolve dispute between domestic businessman and foreign businessman via legal proceedings.