The Layer2 Cloud Connector can be used to integrate and sync Sage data queries (on-prem or cloud-based) with almost any external data sources, including Microsoft SharePoint and Office 365.

You have the full SharePoint list Feature set available, e.g. search, mobile- and offline access, views, metadata, notifications, workflows...

Just try it out: http://www.layer2solutions.com/en/products/Pages/Cloud-Connector-for-SharePoint-2010-Office365.aspx

Free Shareware Edition to download after registration.