This article focuses on the literary depiction of advertising agencies in selected prose works after 1945. These specific spaces first appeared in American prose. After 1989, Polish writers also began to portray them. Despite this, they have not yet been extensively described by domestic literary scholars. This paper attempts to outline their characteristic features. It explores the evolution of the American advertising novel genre, pointing out Polish attempts to adopt it in the early 21st century. It also focuses on the spatial structure of advertising agencies and the organization of work conditioned by a specific corporate culture. The methods used for analysis include literary interpretation and narratology.