Why our complaint templates get results
Professional complaint letters written by UK consumer rights experts
Uses the exact legal language that makes companies take notice
References the right consumer regulations to back up your claim
Formal complaint format that escalates your issue effectively
Complaint Letter Templates for Every Situation
Select your complaint type to generate a professional letter instantly.
When they won't give your money back.
For rude staff or incompetence.
When they're ghosting you.
Escalate when they won't listen.
They didn't do what they promised.
Banks, lenders, and insurers.
Product defects or broken items.
Late, lost, or wrong deliveries.
Overcharging or wrong charges.
Can't cancel or hidden fees.
GDPR violations or data breaches.
Dangerous products or safety issues.
Any other issue not listed above.
Real Results from Real Consumers
See how our complaint letter generator helped UK consumers get refunds and compensation.
"I'd been fighting with my broadband provider for 3 months. Used Complaint Monkey's letter and got my refund within 5 days. Absolutely brilliant!"
Sarah M.
Manchester
5 days
to resolution
"The airline damaged my luggage and kept fobbing me off. This letter got straight to the point and they paid up immediately. Worth every penny."
James T.
London
3 days
to resolution
"My bank charged me unfair overdraft fees. I sent the letter and they not only refunded the charges but apologized. Game changer!"
Emma R.
Birmingham
7 days
to resolution
How Our Complaint Letter Generator Works
Generate your professional complaint letter in three simple steps.
Fill in a simple form about your complaint. Takes 2-3 minutes.
Our AI generates a professional, legally-backed complaint letter instantly.
Download your letter and send it. Most customers see results within 7 days.