Formal complaint letter to a company with a clear request and deadline

Draft a firm, formal complaint letter to a company: timeline of facts, supporting documents, a specific request, a response deadline and next steps if they ignore you. Designed for ChatGPT, Claude, Gemini and Microsoft Copilot. It includes 7 customizable variables and you can copy it for free in one click.

Intermediate · Text · Pending editorial review

Prompt

Act as an expert writer of consumer complaints and formal business correspondence.

Context:
- Company and department: {{company}}
- Product or service affected and order, account or contract number: {{reference}}
- What happened (facts and dates): {{facts}}
- Previous contact with the company and their response: {{previous_contact}}
- Documents I have: {{evidence}}
- What exactly I am asking for: {{request}}
- Response deadline I want to give: {{deadline}}

Deliverables:
1. A short, neutral timeline of events in date order.
2. The complaint letter (250-400 words): my details and the reference in the header; an objective account of the facts; what I expected based on the purchase, contract or advertising; a specific, measurable request; the response deadline; a list of enclosed documents; signature.
3. A version for a web form or email (max 1,000 characters).
4. Next steps if they do not respond or the answer is unsatisfactory (escalating to a supervisor, a credit card chargeback, the Better Business Bureau, the state attorney general's consumer office, small claims court), noting what to check before each.

Constraints:
- Firm, polite tone with no insults or disproportionate threats.
- Do not cite specific laws unless you are sure; if you mention one, mark it "verify". Do not invent facts, dates or amounts: use [FILL IN].
- State that this is not legal advice and that for significant amounts it is worth consulting a consumer protection agency or an attorney.
- If key information is missing (dates, references or the request), ask me before writing.

Format: timeline as a list, the full letter, the short version and a next-steps table.

How to use it

Gather receipts, screenshots, emails and ticket numbers first. Send the letter in a way that leaves a record (certified mail or email with read receipt) and keep a copy. Note the send date to track the deadline.

Usage example

Company: online appliance store · Reference: order 45821 · Facts: washer delivered dented on May 12 · Request: replacement or a USD 599 refund.

Sample output

Timeline

  • May 12: washer delivered (order #45821) with a dent on one side; I signed the delivery note with a remark.
  • May 14: first call; ticket 7781 opened.
  • May 20: second call; no solution.

Complaint letter (excerpt)

Re: Complaint – Order #45821 – Ticket 7781

Dear Customer Service Team,

On May 12, I received the washing machine from order #45821. It arrived with a dent on one side, as noted on the signed delivery note, and it has not spun since it was first used.

I reported the issue by phone on May 14 and May 20 (ticket 7781) but have not received a solution.

As a new product, I expected it to arrive undamaged and in full working order.

I am therefore requesting a replacement with a new unit or a full refund of USD 599, at my choice, within 14 days of receiving this letter.

Enclosed: invoice, photos of the dent and signed delivery note.

Sincerely, [Name, address, phone, email]

Next steps

StepCheck first
Escalate to a supervisorAsk for a written reference number
Credit card chargebackYour card issuer's dispute deadline
Better Business BureauWhether the company is listed
State attorney general's consumer officeYour state's complaint form
Small claims courtFiling limits in your state (verify)

This is not legal advice; for significant amounts, consider a consumer protection agency or an attorney…

Key facts

Category
Writing & communication · Letters
Output type
Text
Level
Intermediate
Designed for
ChatGPT, Claude, Gemini and Microsoft Copilot
Verified in
Pending editorial verification
Variables
Company and department, Product and reference number, What happened, Previous contact, Documents available, What you are asking for and Response deadline
Language
English
Price
Free, no sign-up
Updated
Nov 7, 2026

Frequently asked questions

Should I send it by email or by mail?

Email is faster, but certified mail with return receipt gives stronger proof of delivery. For larger amounts, many people do both.

What if the company ignores the deadline?

Use the next-steps table: a card chargeback if you paid by credit card, a complaint to the state attorney general or BBB, or small claims court. Check time limits for each option.

What is this prompt for?

Draft a firm, formal complaint letter to a company: timeline of facts, supporting documents, a specific request, a response deadline and next steps if they ignore you.

Which AI tools does it work with?

It is designed for ChatGPT, Claude, Gemini and Microsoft Copilot. We have not verified it in these tools yet, so results may vary between them.

How do I customize the prompt?

Click “Customize” and fill in the variables (Company and department, Product and reference number, What happened, Previous contact, Documents available, What you are asking for and Response deadline). The text updates instantly and you can then copy it in one click. Values are stored only in your browser.

Do I need experience to use it?

It is intermediate: it helps to know the topic so you can provide good context and review the result critically.

Is this prompt free?

Yes. Every HomeCasa Prompts prompt is free, with no sign-up or subscription. You can also use them in professional projects.

Can I trust the AI output?

Treat it as a high-quality draft: always check data, figures and important claims before publishing or making decisions.

Related prompts