If you need to register for a client, you have to go to the main page of Metacontracts www.metacontratas.com and click on the "Sign up subcontractor" button.
You will access the registration form in which you will have to fill in a series of data, both for the client or main company for which you want to register and for your company.
In this infographic we explain what you have to fill in in each of the fields.