Company complaint
Three complaint in Ireland
How to prepare a Three complaint about mobile, broadband, billing, cancellation, contract, handset, or service issues in Ireland.
Check your dispute first
Answer a few questions to see your options before writing your complaint.
Check your optionsTBD is independent and is not affiliated with this trader. Public complaint-search signals and forum anecdotes are not findings of wrongdoing or liability.
Three has a complaint process you can use when something goes wrong. This independent guide explains what to include in your message and what to check if the problem remains unresolved.
Start with what happened, what you paid and what you would like the business to do. Keep the receipts, messages or other records that support your complaint.
What to do next
- 1Complain to Three first and keep the complaint reference.
- 2Separate telecoms service or billing issues from handset finance, insurance, or credit-linked issues.
- 3For unresolved covered telecoms issues, check ComReg guidance before small claims.
Common Three complaint topics
When contacting Three you may need help with mobile billing, contract or cancellation, broadband service, support delays, handset or device issue. Include only the details that apply to your own complaint.
What to write first
Name the account, order, booking or transaction, give the key dates and include relevant proof. Explain what you would like the business to do and ask for a reply by a reasonable date.
If the business refuses, does not reply or leaves the problem unresolved, check the options for your type of complaint. These may include an ombudsman, regulator, payment dispute, cross-border assistance or small claims where the criteria are met.
Before you write
- Account number
- Bills and contract
- Complaint reference
- Service evidence
- Cancellation or device messages
Questions people ask
Is TBD affiliated with Three?
No. TBD is independent and is not affiliated with Three.
Can TBD write a Three complaint?
Yes. TBD can help prepare a clear complaint under your own name. It does not act for you, provide legal advice, or file official claims.
Can I use small claims for a Three dispute?
Do not start with small claims. This type of complaint usually needs the provider, regulator, ombudsman, chargeback, or cross-border route checked first.