B2B (Business to Business) is a term that defines the type of information and economic interaction, classified by the variety of interacting subjects; in this case, these are legal entities.
B2B is a market sector that does not work for the end, ordinary consumer, but for the same companies, for another business. An example of B2B activity can be the production of bar counters or the provision of advertising services: individuals do not need advertising, but other organizations need it.
The concept of B2B also means e-commerce systems, or e-commerce systems - software and hardware complexes that are tools for carrying out trade and procurement activities on the Internet.
The term B2B is often understood to mean the provision of some manufacturing firms with accompanying services, additional equipment, etc. However, in a general sense, the definition of B2B corresponds to any activity aimed at customers who are legal entities.