From any page of your account, select "Databases" in the menu at the top left, and then "Counterparties" in the list that opens. You will be taken to the section with information about the contractors your company works with:
In the system Golova.ai the concepts of "client" and "counterparty" do not coincide. After all, the same client can have several legal entities (for example, on the USN and OSN). Or the client can be an intermediary and act on behalf of the end customer (then the payer may be a legal entity of the end customer, not the client).