The article is devoted to the specifics of the proposals on cooperation, offers of sponsorship and commercial deals that are in the practice of corporate communications are often not demarcated, resulting in a substitution of one notion for another the purpose of the study is to highlight integral and differential signs of offers of cooperation, offers of sponsorship and commercial proposals and identify criteria for their differentiation. An integral feature of these types of offers is the General frame «cooperation», which includes the concept of «mutual benefit». Differential features of three types of corporate offers were identified based on the following criteria: addressee, addressee, object, communication purpose, functions, and text structure.