Example Letter of Complaint: Format and Template
A strong letter of complaint identifies what went wrong, gives the important facts, and asks for a specific, reasonable resolution. The complaint letter example below can be adapted for a product, service, billing error, damaged item, poor experience, or other problem.
What is a clear complaint letter example?
This sample letter of complaint uses a calm tone and includes enough detail for the recipient to investigate. Replace every item in brackets with accurate information and remove any line that does not apply.
[Your full name]
[Your mailing address]
[City, state, ZIP code]
[Email address or preferred contact method]
[Date]
[Recipient name or department]
[Company or organization name]
[Mailing address]
[City, state, ZIP code]
Subject: Complaint regarding [product, service, or incident] — reference [number]
Dear [name or Customer Service Team],
I am writing about [identify the product, service, or incident]. On [date], I [briefly explain what occurred]. My order, account, case, or reference number is [number].
The problem is [describe the issue clearly]. I expected [state the reasonable expectation], but [state what happened instead]. I contacted [department or representative] on [date] and was advised that [brief factual summary]. The issue remains unresolved.
Please [issue a refund, provide a replacement, correct the error, explain the decision, or take another specific action]. I have enclosed copies of [receipts, statements, photographs, correspondence, or other evidence]. Please contact me using the method listed above if more information is needed.
Thank you for reviewing my complaint. I look forward to your response.
Sincerely,
[Signature, if sending a printed letter]
[Printed name]
This example of a letter of complaint is a framework, not a script. Keep only facts that apply to your situation, and do not claim that you have evidence unless you are providing it.
What should you include in a complaint letter?
A complaint letter should let an unfamiliar reader understand the issue without guessing. Include the information needed to identify the transaction or incident, but avoid unrelated account details.
Your name and a safe way to contact you.
The exact product, service, transaction, or incident involved.
The date and location, when relevant.
An order, invoice, case, claim, or reference number, if one exists.
A short explanation of what happened and what you expected.
The steps already taken to resolve the problem.
The specific result you are requesting.
A list of the supporting documents enclosed with the letter.
A useful example complaint letter focuses on one main issue. If several events are connected, present them in date order so the recipient can follow the sequence.
What is the recommended format for a complaint letter?
Use a simple business-letter format. A subject line is a short description placed before the greeting; it helps the recipient identify the matter quickly.
Place your name, mailing address, and preferred contact method at the top.
Add the date on which you are sending the letter.
Enter the recipient’s name or department, organization, and verified mailing address.
Write a subject line naming the issue and relevant reference number.
Use a greeting such as “Dear Customer Service Team” when no individual name is available.
Divide the body into short paragraphs covering the event, problem, previous contact, and requested resolution.
End with a polite closing, then add your signature and printed name.
When learning how to write a letter of complaint, clarity matters more than decorative formatting. Use readable text, short paragraphs, and consistent spacing.
How do you describe a complaint clearly?
Describe a complaint with verifiable facts rather than conclusions about another person’s motives. State what happened, when it happened, and how the result differed from what was promised or reasonably expected.
Begin with the event date and identify the product, service, or incident.
Add relevant order, account, invoice, case, or reference numbers.
Explain the problem in chronological order.
List earlier attempts to resolve it, including dates and departments or representatives contacted.
Explain the present status of the issue.
Use neutral statements such as “The statement lists the same charge twice” or “The replacement arrived with the same defect.” Avoid insults, speculation, all-capital text, threats, and exaggerated claims. A letter of complaint example should demonstrate firm but respectful wording because that makes the requested action easy to identify.
How do you request a resolution in a complaint letter?
Ask directly for one reasonable action. The recipient should not have to infer what would resolve the complaint.
Refund: “Please refund the disputed charge using the appropriate method.”
Replacement: “Please provide a replacement for the damaged item.”
Correction: “Please correct the account record and send written confirmation.”
Explanation: “Please provide a written explanation of how this decision was reached.”
Other action: “Please review the enclosed information and advise what action can be taken to resolve this issue.”
Do not demand an outcome that is unrelated to the problem. If several resolutions would be acceptable, state your preferred action first and identify an alternative without assuming either result is guaranteed.
What should you check before sending a complaint letter?
Before sending a complaint letter, confirm that it is accurate, complete, and safe to share. This final review applies whether you use a sample letter of complaint or write the letter from scratch.
Proofread names, dates, reference numbers, and the description of events.
Confirm that the requested resolution is specific and reasonable.
Attach copies rather than originals of receipts, statements, photographs, and prior correspondence.
Label supporting documents and mention them in the letter.
Remove passwords, access codes, full payment-card details, government identification numbers, and unrelated personal information.
Verify the recipient and submission address using an official source.
Keep a copy of the signed letter and every attachment.
Record when and how the correspondence was sent.
The best example letter complaint structure is brief but complete: identification, facts, prior efforts, requested action, and evidence. That structure keeps the complaint focused and gives the recipient a practical basis for reviewing it.