The Heuvelgroep app for employees, suppliers and the public around construction projects. Reporting Complaints and safety incidents by local residents and suppliers. The Toolbox app also offers meetings, company news and workplace inspections. Developed on behalf of the Heuvelgroep to work safely and informed on construction projects.

Main functions:
- Complaints registration for the public (local residents) and suppliers
- Report safety incidents for the public and employees
- Follow toolbox meetings
- Receive company news
- Carry out workplace inspections