If you are adding your details for the first time, you can begin on the Initial Setup Page which allows you to add the Employees, Roles and Organisations at the beginning. Otherwise you can add these on a step by step basis within the individual pages.

Add/Edit Roles

Create/Edit employees including assigning employee roles
Add/Edit an Organisation (Trust)

Add/Edit STE Rates (including the timetable and groups)

Setting the compliance module