Ukrainian-British relations have intensified in many areas - political and diplomatic, trade and economic, cultural, tourism, etc. The main feature of the political dialogue between countries is its ancient historical context. In the modern history of Ukrainian-British relations, a revision of the vector of cooperation took place not only after the Ukrainian events of 2013-2014, but also after the start of the Brexit procedure in 2016. The article focuses on two main components of Ukrainian-British cooperation - political, diplomatic and economic. In the context of considering the political and diplomatic dialogue between countries, the authors reveal the peculiarities of the formation of the political dialogue and the documentary and legal base. The authors focus on the development of the military-political dialogue between Ukraine and Great Britain after the start of the military operation "Orbital" and on the historic visit of the Ukrainian delegation of Great Britain. It is historical because for the first time the President of Ukraine was received by the royal family. After the start of the Brexit procedure, trade and economic relations between the countries are also gaining a new pace of development. New agreements are signed between Ukraine and the UK, the growth of British investments and trade between the countries is increasing.