From the standpoint of modern historical knowledge, the monograph comprehensively examines the business world of London in the 14th - 16th centuries. Based on a wide range of original sources, a picture of the life of the trade and entrepreneurial strata and the power elite of the city at the initial stage of the transformation of society from traditional to innovative is recreated. The work traces the dynamics of the development of the city's ruling elite, reflects the specifics of the formation, functioning and retention of power by aldermen, identifies stable communities, business and social ties in their environment, characterizes economic activities (trade, credit, subsidies to the crown, investment in real estate) and business ethics, social aspirations, value orientations and private lives of Londoners engaged in active commercial activities and involved in power relations. For historians - researchers, teachers, graduate students, students, and everyone interested in the socio-political and cultural history of England in the late Middle Ages and early modern times .