Complaint Letter

Front-line staff resolve complaints that are specific and escalate complaints that name a next step. Vague, angry letters get a form reply. This template forces the four elements that change outcomes: what happened and when, what you have already tried, exactly what you want done, and where you will take it if nothing happens. That last line is the one that moves a file from a queue to a supervisor, which is why this template asks you to fill it in rather than leaving it as a threat you never make.

What this template is for

A draft built around the details you need

Use this for a product, service, rental, order, billing, or administrative problem where you need a written record and a real response.

This template is not legal advice and does not replace formal complaint procedures, tribunal forms, or regulator processes. Check whether the organization has a mandatory internal complaint process you must exhaust first.

How to use it

Summarize what happened with dates and reference numbers, not adjectives.
List what you have already tried, including who you spoke to and when.
State one specific resolution — an amount, an action, a date — rather than 'appropriate compensation'.
Name the regulator or ombudsman you will escalate to, and give a reasonable deadline.

Make your own

Fill in your details, then download a PDF or an editable Word file.

Your name *Use the name you want shown on the document.Your addressOptional, but useful for formal letters.Your emailOptional contact line for the closing.Letter date *Recipient/company *Issue dateProduct/service/order reference (optional)Description of issue *Facts and dates. Leave out how it made you feel.Steps you have already takenExample: called support on July 3 (ref 88421), spoke to Devon, promised a callback that never came.Specific resolution requested *One clear ask. A number is better than a category.Response deadlineWhere you will escalateExample: the CCTS, OBSI, your provincial consumer protection office, or the sector regulator.Attachments note (optional)

Your name is required.
Recipient/company is required.
Description of issue is required.
Specific resolution requested is required.

Common questions

What actually makes a complaint letter work?

Specificity and a named next step. Dates, reference numbers, the name of the person you spoke to, one concrete request, and the regulator you will escalate to. Companies triage by how likely a file is to become an external complaint.

Should I name the regulator I will escalate to?

Yes, if it is true and you intend to. Naming the CCTS for telecom, OBSI for banking and investments, or your provincial consumer protection office signals you know the process. Do not name a body that has no jurisdiction — it undermines the rest of the letter.

How long should I give them to respond?

Ten to fifteen business days is reasonable for most consumer complaints and is roughly what external complaint bodies expect you to have allowed before they will take the file.

Should I threaten legal action?

Only if you mean it. An empty threat gets your file routed to a legal queue where nobody has authority to just fix your problem. Naming a regulator is more effective and costs you nothing.

Email or letter?

Email for the timestamp and the paper trail; follow up with mail if the amount is significant. Whatever you send, keep it — external complaint bodies will ask for your correspondence before they open a file.

How this template is maintained

Last reviewed: August 6, 2026
Reviewed by: Thomas TremblayFounder and editor, Canooq

Sources

Commission for Complaints for Telecom-television Services (CCTS) — verified August 6, 2026
Ombudsman for Banking Services and Investments (OBSI) — verified August 6, 2026

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