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A complaint letter gets answered when it reads like a file a manager can act on: your account details, what happened with dates, what you want fixed, and a deadline. Keep it to one page, send copies of receipts never originals, and escalate to the company's executive customer relations team if front-line support stalls.
| Section | What to write |
|---|---|
| Your details | Full name, account or order number, phone and email |
| What happened | Dates, amounts, names of reps you spoke with, in order |
| What you want | One specific ask: refund of $X, repair by a date, fee reversal |
| Your deadline | A reasonable date for a response, usually 10-14 days |
| Enclosures | Copies of receipts, contracts, photos: never originals |
The person reading your letter did not cause your problem, and they handle dozens of complaints a day. Anger makes them defensive; a clean timeline makes their job easy. Write the facts in order, attach the proof, and state exactly what resolution would close the matter. "I am requesting a refund of the charge posted on March 3" gets routed to someone who can issue it. Three paragraphs about how furious you are gets filed.
One rule with no exceptions: send copies, never originals. Companies lose enclosures, and the original receipt or contract is your evidence if this ever goes further. If the document matters, keep the original in your own files and mail a photocopy.
If regular customer service already failed you, do not write to them again. Most large companies have an executive customer relations team, sometimes called the Office of the President, that handles escalated complaints with real authority: credits, exceptions, and callbacks that front-line reps cannot offer. Their mailing addresses are usually findable through the company's investor-relations or corporate-contact pages.
For extra weight, note in the letter that you are copying the relevant regulator: your state attorney general's consumer division for most businesses, or the sector regulator for banks, insurers, and telecoms. You do not need to actually file the regulatory complaint yet; the CC line alone changes which queue your letter lands in. One thing to know: the Better Business Bureau is a private nonprofit, not a government agency, so a BBB complaint carries no legal force. It can still get a response because companies monitor their ratings, but it is not the same as a regulator.
Threats, insults, all-caps passages, and legal ultimatums you do not intend to follow through on. "I will sue" from someone who will not sue just teaches the reader to ignore you. Also skip the social-media threat: it reads as extortion-adjacent and makes companies route your letter to legal instead of customer relations, which slows everything down. Firm, specific, and polite is the combination that gets the refund.
Yes. Describe the complaint to your AI assistant, approve the exact quoted price, and it is printed and mailed. Use the registered option (US Certified Mail or Canada Registered Mail) so you have dated proof the company received it: that receipt is what makes your 10-14 day deadline real. Keep in mind that LetterAgent mails the letter itself, so any receipt or contract copies you want enclosed need to travel separately or be referenced for follow-up.
Ready to mail it? Send your letter with LetterAgent: describe it to your AI assistant, approve the exact quoted price, and it is printed and mailed.
LetterAgent is a working name. Prices include print, postage, and our service fee. US prices in USD, Canadian prices in CAD (Canadian prices exclude applicable sales tax, added at checkout). Currently in private testing.
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