What many complaints start as
“My broadband keeps dropping and support has not fixed it. I want a refund.”
The problem is understandable, but the business still needs dates, previous contact, evidence and the exact outcome requested.
UK complaint letter generator
Write a clearer complaint letter in minutes
Search the company you want to complain to, choose the issue and preview a structured UK complaint letter before you pay.
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Popular complaint letters
Not listed? Search any company or start a general complaint.
Fast routes
Start with a popular complaint route
Choose a common route and go straight into a prefilled complaint-letter journey.
Flights
Ryanair flight delay or refund
Build a letter around delay, cancellation, refund or baggage issues.
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Energy
British Gas billing dispute
Challenge incorrect bills, direct debit issues or refund delays.
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Broadband
Plusnet broadband complaint
Use dates, support contact and missed appointments to make the issue clear.
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Parcels
Evri lost parcel complaint
Set out tracking, delivery attempts, loss, delay and refund request.
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How it helps
Make your complaint easier for the business to respond to
A stronger complaint gives the business the facts, evidence and outcome you want in a clear order.
What the business receives
- The main issue up front
- Key dates and previous contact
- Evidence prompts
- The refund, repair or response requested
- A clear reply deadline
Example sentence
“I am asking you to repair the connection, refund the affected billing period and respond in writing within 14 days.”
Three steps, with payment after preview
1
Choose the company
Start with who you are complaining to. You can add the issue and outcome next.
2
Preview your draft
Check the structure, tone and requested outcome before deciding to unlock.
3
Unlock the editable letter
Pay £3 once, then edit, copy or download the full version when ready.
Letter anatomy
What a stronger complaint includes
ClearComplaint helps put the facts in a practical order so the business can understand the issue, review the evidence and decide what to do next.
Clear complaint summary
State the company, product or service and the main issue without burying the point.
Timeline of events
Add when the issue started, previous contact, missed appointments or broken promises.
Evidence prompts
Include bills, screenshots, reference numbers, tracking information or appointment details.
Impact on you
Explain the cost, inconvenience, delay, loss of service or practical effect of the problem.
Requested outcome
Ask for the refund, repair, replacement, cancellation, credit or written response you want.
Clear reply deadline
Give the business a clear and reasonable timescale to reply.
Browse companies
Browse companies by type
Use this lighter route if you want to browse by sector rather than search for a specific company.
Company typeAirlinesCreate an airline complaint letter for delays, cancellations, refunds, baggage issues or poor service. Add evidence and choose an outcome.17 company pages →
Company typeBankingCreate a banking complaint letter for fraud, chargebacks, fees, account issues or poor service. Add evidence and request a clear outcome.19 company pages →
Company typeCouriersCreate a courier complaint letter for lost parcels, late delivery, damaged items, tracking issues or failed collections.9 company pages →
Company typeCredit cardsCreate a credit card complaint letter for disputed transactions, fraud handling, chargebacks, Section 75 claims or fees.10 company pages →
Company typeEnergyCreate an energy complaint letter for billing disputes, direct debit issues, smart meters, price rises or poor service.15 company pages →
Company typeInsuranceCreate an insurance complaint letter for claim delays, rejected claims, settlement disputes or poor service. Add evidence and request a remedy.13 company pages →
Company typeMobile and broadbandCreate a mobile or broadband complaint letter for billing disputes, price rises, outages, poor signal or cancellation problems.18 company pages →
Company typeRailCreate a rail complaint letter for delays, cancellations, refunds, accessibility issues or poor service. Add evidence and request an outcome.8 company pages →
What is a complaint letter generator?
A complaint letter generator helps turn a consumer problem into a structured letter. ClearComplaint organises the facts, dates, evidence and requested outcome so the business has a clearer complaint to respond to.
Guides and articles
Consumer rights guidance
Practical guidance that supports clearer, better-directed complaints.
generalWhy most UK refund complaints fail and how to fix them (2026 guide)Company refusing a refund? Learn why refund complaints fail, what UK law says, and how to structure a legally framed refund complaint letter that gets results.Read guide →
generalComplaint Letter for Faulty Goods After 30 Days (UK)Retailer refusing help with faulty goods after 30 days? Learn your rights under UK consumer law and how to write a structured complaint letter that gets a response.Read guide →
generalHow to Complain to a Company in the UK (Step-by-Step Guide 2026)Learn how to complain to a company in the UK with our clear, step-by-step guide. Get advice on writing effective complaint letters in 2026.Read guide →
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