G Suite is a set of cloud computing, productivity, collaboration tools & software developed by Google, launched in 2006 and has grown in size and features ever since...

G Suite comprises Gmail, Hangouts, Calendar; Drive for storage; Docs, Sheets, Slides, Forms, and Sites for collaboration; and an Admin panel and Vault for managing users and the services available.

The Basic plan includes email addresses with custom domains (@yourcompany.com), video and voice calls, calendars, 30GB storage, collaborative documents, spreadsheets, presentations and sites, controls for security and privacy, and 24/7 phone and email support.

The Business plan adds Vault for eDiscovery and enables many additional custom features, including advanced admin controls for Drive, unlimited storage (or 1TB per user if fewer than 5 users)