Do you guys know how to send confidential documents? I'm worried about it a little, and I'm not sure if just sending everything is professional.
As I know, there are special tools or services for that, not sure. But I think you can find more info on the internet.
There's the best solution for you. Have you ever heard of e-signatures? I can tell you that digital signatures can help you protect your documents, and I highly recommend you check this article Esignature platform: how to choose the best option and see that it's just what you need because all the entrepreneurs who work with important documents use it.