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📋 Complaint Letters

Complaint Letter to a Telecom Provider for Service Issues

Use this template when you are experiencing persistent problems with your telecommunications or internet service, such as frequent outages, slow speeds, or poor customer support. This letter documents the issues, references your account details, and demands a resolution or compensation.

Dear [Telecom Provider Name/Customer Service Department], I am writing to formally express my dissatisfaction with the quality of [type of service, e.g., internet, mobile phone, cable television, home phone] service I have been receiving from [Provider Name] at my [home/business] address. My account number is [Account Number], and I have been a customer since [date or duration, e.g., March 2023, approximately three years].
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Complaint Letter to a Utility Company for an Overcharge

Use this template when your utility bill contains charges that are significantly higher than expected or includes errors you believe are incorrect. This letter requests a review of your account, provides supporting details, and asks for a billing adjustment or explanation.

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Complaint Letter to a Company for a Defective Product

Use this template when a product you purchased is defective, malfunctioning, or not performing as advertised. This letter is appropriate after initial customer service attempts have failed and you need a formal written record demanding a replacement, repair, or refund.

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Complaint Letter to a Bank for Unauthorized or Fraudulent Charges

Use this template when you have discovered unauthorized or fraudulent transactions on your bank account and need to formally notify your bank in writing. This letter is appropriate when phone calls to customer service have not fully resolved the issue or when you want a documented record of your dispute for your protection.

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Complaint Letter to Landlord for Repairs

Use this template when you need to formally request that your landlord address outstanding maintenance or repair issues in your rental property. This letter is appropriate after verbal requests have gone unanswered and you need a written record of your complaint. It is firm and clear while remaining respectful and professional.

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How to customize this template quickly

  1. Replace each placeholder with your real details.
  2. Adjust one sentence for your exact timeline and context.
  3. Read once for tone, then send.

Key placeholders in this version

[Telecom Provider Name/Customer Service Department][type of service, e.g., internet, mobile phone, cable television, home phone][Provider Name][home/business][Account Number][date or duration, e.g., March 2023, approximately three years][timeframe, e.g., two months, several weeks][describe issues, e.g., frequent internet outages lasting anywhere from thirty minutes to several hours at a time, download speeds consistently measuring at a fraction of the speed I am paying for in my plan, dropped calls and poor signal quality despite being in a well-covered area, intermittent television service with channels freezing or going black without warning]

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