We use Google Apps for Work, and it's perfect. Our customers, even our competitors use Google Apps for Work, Google created a great suite of applications to make the enterprise data management easy and simple.
We create documents online, we can collaborate on the same document with our team at the same time, we use hangouts to chat with video conferences or simple calls.
Payment is cheaper compared with other cloud solutions and its implementation is simple, we need to point the MX DNS and that's all. If you have been using other mail system, we support you in the migration process, downloading the emails and restoring it to the Gmail cloud.
Get ready to operate since the first moment.