Roofing company seeks ERP or tradesman software

We are looking for ERP or craftsman software for our roofing company.

The software should meet the following requirements:

• CRM, customer management
• Order processing
• Measurement
• Pre- and post-calculation
• Invoicing
• Financial accounting
• Optional – time tracking
• Various interfaces
• Ideally, there should be one or more options for legally binding signatures in a work order
• Compatible with macOS or iOS
• Installation should be on our own server if possible
• Employees must be able to access the server at any time
• If necessary, a web-based or cloud solution is not ruled out

We work in an Apple environment (iMac, iPad).

The software is needed for two office workstations and approximately three construction site tablets.