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Corruption Prevention

Complaints channel

Secure channel that you can use to report any irregularity or illegality committed in the Municipality of Lisbon or within the scope of your activity.

This channel complies with Law 93/2021, which transposes Directive (EU) 2019/1937.

You can submit your complaint anonymously or share your identity. If you choose to report anonymously, you may be asked to identify yourself during the investigation. The decision is always yours.

Internal and external whistleblowing

The Municipality of Lisbon has an Internal Whistleblowing Channel and an External Whistleblowing Channel, which can be accessed independently and autonomously via the contracted “+Transparent” platform.

Reporting a complaint

About the municipality's complaints channel

última atualização: 14.05.2025