Companies tool is used to see the different companies that you have added, change, delete them and add new ones. You can add company to a contact and with that group the contacts.
Steps
From the right corner on Settings go to Companies
Click on Add or double click on some of the existing to edit
Put information on the fields
Click Save
Connection between Companies and Contacts
You can assign company to the contacts that you have.
Open one contact
Click on Edit
In the pop-up window look for field Company and choose from the list of companies you have
Click on Save & Close
By filtering the list you can see the contacts of that company
When contact is opened by clicking on the company name on the pop-up details will be shown along with the related contacts , their compliance level and the one of the company
Good to know
The Company Compliance is the average value from the compliance levels of the related contacts
Phone number and Email are clickable and allows you to make call or send email