The article is devoted to one of the most important aspects in England’s history of the second half of the XVI century, in particular, the transformation of the English economy at the beginning of the early Modern Times. The issues of formation and structure of the Ishams’ family corporation which was set up and functioned within the company of the Merchant Adventurers as well as peculiarities of their trade are examined basing on the analysis of «Two Account Books of John Isham».
