It is Saved in Amazon Cloud and there are three tyre of security and we take periodic data backup to ensure there is no data loss
Sure, you can upgrade to any plans in any time you want.
There are help videos in each page. It gives a video demo of how page has to be done. Help is there for every page, can read the elaborated content and follow, mouse over tips are readily available, we also give training on request.
Yes, there is no charge for updating of software - it will be done @ free of cost and will get notification of updates with features listed in it.
Yes, all employee portals are mobile compatible