The article deals with the start of negotiations London - Brussels on Brexit. The author considered the first stage of talks from July till beginning September 2017, approaches and positions of both parties, particularly, the main aim of Britain - to achieve favorable trade conditions with the EU after Brexit with minimal concessions. Possible scenarios of their future economic and trade relations are presented. The author emphasized on several sharp contradictions between the parties on Brexit price. Problem of many banks and financial companies relocation in other EU countries is also considered. Unresolved tensions among the political class between «brexiters» and «remainers» are highlighted.