What documents does Upwork provide to a customer in Russia?

Question

Upwork

The bottom line is, there are several customers from Russia with whom I want to work through Upwork. Customers are legal entities. They want to include their costs in their capital investment in software development. What documents can Upwork provide them with for this? For example, if the director pays from his card?

Answer 1

It's kind of stupid to pay with your card and wait for documents)

Answer 2

https://community.upwork.com/
write to the manager, those who pay, they can and will offer something