The business may be small or large, employees should have the option to store their data securely. It is never safe to keep backup on local storage. Local backup is vulnerable to many things, like a hardware failure to natural disasters. Cloud storage has become a go-to choice for modern business. They also usually offer synch client, which automatically synchs data from local to the cloud without manual intervention.
Best Enterprise Cloud Storage and File-Sharing Services - 2020
OneDrive for Business is part of Microsoft's office 365 product family. OneDrive connects you to all your files in Office 365 so you can share and work together from anywhere. Onedrive business plan starts with $5/user/month and it includes 1 TB of OneDrive storage per user.
Google Drive Enterprise is a business version of google drive personal storage. The Price starts with $8 per user per month + $1 per 25 GB. Drive Enterprise uses pay as you use strategy. The pricing is based on active users and storage used per month. The base plan also includes Includes Google Docs, Sheets, Slides.
Dropbox Business, a pro version of Dropbox offers powerful storage, sharing, and collaboration tools. The base of Dropbox Business starts at $12.50, it gives 5TB of storage.