Write a Complaint Letter — Clear and Effective
Formulate your complaint professionally. Describe your concern — our AI creates a clear, effective complaint letter in DIN 5008 format.
Common Complaints
Landlord — Mold Issues
Complaint to your landlord about mold in the apartment with request for remediation.
Delivery Service
Complaint about a damaged or lost package with the delivery service.
Noise Disturbance
Complaint to building management about ongoing noise disturbance.
Poor Workmanship
Complaint about defective work by a tradesperson with demand for repair.
Popular Complaints
Complaint to Deutsche Bahn
Create your complaint letter to Deutsche Bahn in seconds. The AI drafts a professional letter about delays, cancellations, or service issues, referencing your passenger rights.
Complaint to Deutsche Post / DHL
Create your complaint letter to Deutsche Post or DHL in seconds. The AI drafts a professional letter for lost packages, damage, or delivery issues.
Complaint to Lufthansa
Create your complaint letter to Lufthansa in seconds. The AI drafts a professional letter referencing the EU Air Passenger Rights Regulation for delays, cancellations, or baggage issues.
Complaint to property management
Create your complaint letter to your property management in seconds. The AI drafts a professional letter about defects, incorrect bills, or neglected maintenance.
Complaint to a tradesperson
Create your complaint letter to a tradesperson in seconds. The AI drafts a professional letter about defective work, excessive invoices, or scheduling delays.
Complaint to a doctor or medical practice
Create your complaint letter to a doctor or medical practice in seconds. The AI drafts a professional letter about treatment issues, billing errors, or inadequate informed consent.
Complaint to your neighbor
Create your complaint letter to your neighbor in seconds. The AI drafts an objective, professional letter about noise disturbances, rest hour violations, or other neighborhood conflicts.
Complaint to an online shop
Create your complaint letter to an online shop in seconds. The AI drafts a professional letter about defective goods, delivery problems, or withdrawal issues, referencing German consumer protection law.
Complaint to your landlord
Create your complaint letter to your landlord in seconds. The AI drafts a professional letter about apartment defects, neglected maintenance, or disputed utility costs, referencing your tenant rights.
Complaint to a restaurant or hotel
Create your complaint letter to a restaurant or hotel in seconds. The AI drafts a professional letter about poor service, hygiene problems, or contract breaches.
Mould complaint
Create your complaint letter about mould in your rental apartment in seconds. The AI drafts a professional letter in DIN 5008 format with all relevant demands.
How It Works
Describe
Describe in plain language what you want to write.
AI Creates Your Letter
Our AI generates a professional letter in DIN 5008 format.
Sign & Receive
Sign digitally and receive the finished PDF by email.
Complaint FAQ
How do I write an effective complaint?
Stay factual, describe the situation clearly, and state a specific demand. The AI helps you with all of this.
Should I set a deadline?
Setting a deadline is recommended. The AI automatically includes an appropriate deadline in your complaint letter.
Who should I address the complaint to?
Describe the situation and the AI will determine the right recipient. You can adjust the address in the next step.
Ready to write your complaint?
Get a professional complaint letter in minutes.
Create Complaint Letter