Overview

• Total complaints in Q1 2025 held steady versus the previous quarter, but fixed broadband and pay-TV grievances edged higher.
• TalkTalk was the most complained-about broadband provider, with Plusnet generating the fewest broadband complaints.
• O2, Three and iD Mobile led mobile sector grievances while EE, Sky Mobile, Tesco Mobile and Vodafone recorded the lowest mobile complaint rates.
• EE and TalkTalk topped landline complaint figures as Utility Warehouse attracted the fewest landline grievances, and Virgin Media reported the most pay-TV complaints despite high satisfaction at Sky and TalkTalk.
• TalkTalk and Virgin Media O2 announced fresh investments in customer service and process improvements in response to the report as consumers weigh switching amid mid-contract price hikes.