1. Go to your personal account and select "My business" in the left side menu.
2. Click on the company name.
3. In the "Fill in the company" section, click on "Fill" in the box with the data you want to enter.
4. Select the country of the company, and enter the name and address of the company. Save your changes.
5. In "Bank details" enter the details of the current account. Save your changes.
6. In "Accountant's data" enter information about your accountant. Save your changes.