Microsoft announced at inspire yesterday Microsoft 365, which brings together Office 365, Windows 10 and Enterprise Mobility + Security, delivering a complete, intelligent and secure solution to empower employees.
Microsoft 365 Business is designed for small- to medium-sized businesses with up to 300 users and integrates Office 365 Business Premium with tailored security and management features from Windows 10 and Enterprise Mobility + Security. It offers services to empower employees, safeguard the business and simplify IT management.
They also do enterprise packages for the bigger businesses.
Full blog from Microsoft available here