Hosted Windows SharePoint - Lite
SharePoint Lite is designed for organisations that need no more than 10 users and 100Mb of storage space.

Hosted Windows SharePoint -Standard
For up to 50 users and 200Mb of storage space, additional users may be added in blocks of 10 with additional storage in 100Mb, 1Gb, 10Gb or 20Gb blocks.

Hosted Windows SharePoint - Professional
For the medium sized business, benefiting from 500Mb of storage and up to 100 users. Storage and user options as above.

Hosted Windows SharePoint - Premium SharePoint Premium is the top package offering 1Gb of storage and up to 200 users. Extra storage or users may be added as required.