How Complaint Monkey Works
Three simple steps to a clear, professional complaint letter.
Select from 13 common UK consumer issues, or use the Complaint Wizard if you're unsure.
Tell us what happened, who's involved, and what you'd like to happen next. Takes about 3 minutes.
See your letter before you pay. Delivered to your inbox as an editable Word document — open in Word or Google Docs, tweak if needed, and send.
1 credit = 1 letter. Credits never expire and can be used on any complaint type.
Common Questions
Quick answers before you get started.
Why Use Complaint Monkey?
Clear Structure
Your complaint is organised, firm and easy to follow.
Professional Tone
Balanced wording that helps you communicate confidently.
Guided Questions
We help you include the details that matter.
Preview Before Payment
See your letter before you buy. No surprises.
Editable Word Doc
Your letter arrives as a .docx file. Open in Word or Google Docs, edit freely, and send.
Why Not Just Use a Free Template?
Free templates are generic. Complaint Monkey is personalised to your situation.
| Feature | Free Template | From Scratch | Complaint Monkey |
|---|---|---|---|
| Personalised to your situation | ✗ | ✓ | ✓ |
| Guided questions | ✗ | ✗ | ✓ |
| Professional tone guaranteed | ✗ | ✗ | ✓ |
| Time to complete | 30–60 min | 60+ min | ~5 min |
| Built for UK consumers | Varies | Varies | ✓ |
| Preview before paying | N/A | N/A | ✓ |
Browse Complaint Types
Select the issue that matches your situation to get started.
When a company won't return your money.
For unhelpful staff or poor customer service.
When a company is slow to respond.
Escalate when your complaint has been ignored.
When a company hasn't delivered what was agreed.
Banks, lenders, and insurance providers.
Product defects or items that arrived damaged.
Late, lost, or incorrect deliveries.
Overcharging or incorrect charges on your account.
Difficulty cancelling or unexpected fees.
GDPR concerns or data handling issues.
Unsafe products or safety concerns.
Any other issue not listed above.
What Our Letters Cover
Each letter is structured around the specific situation you describe — not a generic template.
Clear statement of the problem
What happened, when it happened, and who is responsible — set out plainly and without emotional language.
Your rights and what you're asking for
A specific, reasonable request — whether that's a refund, repair, replacement, or formal response.
A firm but professional tone
Structured wording that communicates clearly and confidently, without aggression or vagueness.
Ready to write your complaint?
Get a clear, professional letter in minutes. No stress, no jargon — just straightforward wording that helps you be heard.
Complaint Monkey is a self-service complaint letter writing tool for UK consumers. We do not provide legal advice, legal representation, or claims handling services. Our letters are communication tools only. Outcomes depend on the specific facts of each situation and the response of the company involved.