For small companies it's often better to not safe e-mails and information on an own server but to outsource the data to a cloud provider.
Furthermore you have the opportunity to rent an office-package with Office 365 instead of buying it. If you want to avoid high starting costs and always work with the newest version of Office a subscription may be a better solution.
We have a cooperation with Microsoft and offer different products in the field of Office/Hosted exchange. Talk to us which package is the best for you.