If you have homepages for different offices or departments, you can use dynamic links to send users directly to their own area.
Use the following links:
http://<yoursite>/home/useroffice
http://<yoursite>/home/userdepartment
For example, if a user is assigned to the Newcastle office, the useroffice link will take them to the Newcastle homepage. A user assigned to the London office will be taken to the London homepage, provided their user information is configured correctly.
These links can be added to content, menus or buttons.