We value open communication. You can use our whistleblower system to report violations of laws to us anonymously.

Contact options

Get in touch

I would like to report a violation of laws or rules.

Open Inbox

I would like to access my anonymous postbox.

Direct contact

I would like to contact the reporting office directly.

More information

I would like to learn more about the whisthleblowing process.

Our whistleblower system is operated by our external service provider Althammer & Kill and is not part of the Sozialgewerk für Handwerker der Stadt Hannover eG website or intranet. It is located on secure, external servers. The employees of Sozialgewerk für Handwerker der Stadt Hannover eG cannot view the whistleblower system.