Can I view contacts with respect to their companies?

Yes, you can view contacts with respect to their companies.

Following are the steps:
1. Go to Contacts Tab. No the left side, you will see Companies. Click on that.
2. You will be re-directed to the detailed page of companies.
3. Here all the contacts are displayed according to their companies.
4. Each company is displayed with number of contacts in that company.
5. If you want to go the detailed page of all the contacts in a particular company, you need to click on The number of contacts displayed below the column # of contacts.