ClayHR allows you to Create Custom Fields AND to group them in sections of your choice. To create Sections of Custom fields:

1. Go to top right "Setup" menu (gear icon)
2. Click on "Organization Setup"
3. Click on "Custom Fields"
4. Click on "New Custom Field" button or on any existing custom field you want to give a Section to.
5. Click to "Advanced Settings"
6. Click on "Field Group" and create a new Field Group or select and existing one