How to Complain About Tesco Mobile
Everything you need to make an effective complaint against Tesco Mobile, including contact details, your rights, deadlines, and escalation paths.
Also known as: Tesco Mobile
Contact Details
complaints@tescomobile.com
0345 301 4455
Your Rights
Ofgem / Ofcom Licence Conditions
Energy and communications providers must follow regulator-set complaint handling standards. Escalation to the relevant ombudsman after 8 weeks.
Step-by-Step Complaint Guide
Gather your evidence
Collect all correspondence, receipts, contracts, and any other documents related to your issue with Tesco Mobile. Take screenshots of online chats and note down phone call dates and times.
Write a formal complaint
Send a clear, factual complaint to Tesco Mobile. Include your account/reference number, a timeline of events, what went wrong, and what you want them to do about it. Email: complaints@tescomobile.com
Set a deadline
Give Tesco Mobile 14 days to respond to your initial complaint. If they don't respond, send a follow-up referencing your original complaint and requesting a response within 7 days.
Escalate if needed
If Tesco Mobile hasn't resolved your complaint within 8 weeks (or has sent a final response you disagree with), escalate to the Communications Ombudsman.
Consider further action
If ombudsman resolution isn't satisfactory, you may have the option of taking your case to the Small Claims Court for disputes up to £10,000.
Escalation Routes
Communications Ombudsman
Ofcom
Key Deadlines
| Initial response | 14 days (reasonable expectation) |
| Final response | 8 weeks (regulatory deadline for most sectors) |
| Ombudsman referral | After 8 weeks or final response |
| Limitation period | 6 years (contract) / 3 years (personal injury) |
Need Help With Your Complaint?
Frank can help you draft a professional complaint letter, track deadlines, and guide you through the escalation process.