You can group customers working in the same company in Companies section. They will appear in the reports not only as individuals but also as a company.
Hit the Customer tab on the bottom left of the menu.
Click on Your customers.
To add a new group of customers as company click on + new company.
Insert all request fields: name of the company, vat number, address, contacts. Then pick the customers that work for this company.
You can also add a note.
You can edit and delete companies in Companies section in Customer menu.