One of the key decisions you need to make when starting, or even scaling, a business is which email provider to use. Not only choose the best email provider will ensure your internal communication is streamlined and efficient, but it will also allow you to communicate easily with your customers. There are many business email plans out there, but the first decision you need to make is to find out whether or not you have to pay for the service. In this article, we'll go over a selection of paid and free plans from the major email providers Gmail, Outlook, Yahoo Mail and ProtonMail , giving you all the information you need to decide if sowhether or not this additional expense could benefit your business. As we compare the free and paid plans, we've combined the pricing and features sections for the sake of this article. The best email hosts The 30 most requested questions by e-mail answered! Best email clients : free and paid apps and software Google's Gmail is an industry leader (Image credit: Google) Features Gmail's free service is the industry leader, and for good reason. Not only does it come with a healthy 15GB of storage, but you can also manage other email accounts from your Gmail interface and easily filter messages by categories for reference.