Design UI of an Audit Company Internal Processes

Our client is working in Belgium and doing legal audit processes. We need to digitalize all the processes in the company with relevant UIs.
We will start to project and development based on initial designs.

The following pages are required;
Login (Sign In/Sign Up)
Admin Dashboard
Audit (Electricity)
Vehicle Management
Device Management
Tasks and Projects
Calendar
Documents
Reports
Education
Employees (Expense and Time Management Form)
CRM (Leads, Campaign, Client, Company, Address)

Initial Design ideas can be found in the attachment.