Uniserve are a Microsoft Partner and offer the full range of Office365 products whether it is just email support or a complete cloud-based office integrations system. Uniserve can advise on which package would suit you (though all packages are scaleable), set up your subscription, configure your devices and provide on-going support plus training as required.
Email (Exchange On-Line)
Email access across multiple devices plus upload of all email history.
In addition to email, the package also comes with Teams and cloud storage (OneDrive + SharePoint)
Apps For Business
This package comprises of the most popular Office programmes (Outlook, Word, Word, Excel, PowerPoint and Access) plus OneDrive
This is a combination of all the above packages and enables multiple options for company collaboration with a wide range of additional apps such as Sway, Delve and Planner.