Complaining about O2
How to complain to O2 about billing, payment support or account issues and how its complaint review process works.
O2 publishes an online complaint process, a Complaints Review Service and a Customer Complaints Code. Make the complaint specific, keep evidence and retain any final response or reference number.
Raise the complaint with O2
Use O2’s current online complaint route and identify the disputed bill, payment-support decision, account restriction or other issue.
Complaint review and escalation
O2 publishes a Complaint Review Service and complaint code explaining further steps. Check the current code for external dispute-resolution eligibility and timing.