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Broadband, Phone and TV Complaints

Complain to your provider in writing first. If it is not sorted after 6 weeks, or you get a deadlock letter, you can take it to your provider’s free ADR scheme (CISAS or the Communications Ombudsman). If your price rises by more than your contract allows, you can usually leave without an exit fee.

29 company guides General information, not legal advice
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At a Glance

30 daysminimum notice of a price rise that was not clear in your contract
30 daysafter that notice to leave without exit fees
6 weeksafter your complaint before you can use a free ombudsman scheme
Pounds and pencenew contracts must state price rises this way, not as percentages

Official Complaint Figures

From the Ofcom, January to March 2026 (Q1 2026) (published Page last updated 30 July 2026). See also our most complained about page.

  • Q1 2026
    Fixed broadbandMost complained about: TalkTalk; Least complained about: Plusnet and Sky
  • Q1 2026
    LandlineMost complained about: Plusnet and TalkTalk; Least complained about: EE, Sky, Utility Warehouse, Virgin Media and Vodafone
  • Q1 2026
    Pay-monthly mobileMost complained about: Sky Mobile; Least complained about: EE, Giffgaff, Tesco Mobile, Three and Vodafone
  • Q1 2026
    Pay-TVMost complained about: EE and Virgin Media; Least complained about: Sky and TalkTalk
Luke Marley

Lead reviewer

Luke Marley

Founder and Lead Reviewer

Luke founded CPUK in 2026 after seeing how hard it is for ordinary people to get problems with companies put right. He oversees our guides and checks them against official sources.

Research by Katie Burt, Co-founder and Operations Lead (17 years in the care sector, including managing services for vulnerable adults), and the CPUK Research Team. Researched with AI-assisted research tools, then checked and corrected by our team.

Last checked: 4 October 2026. We are not paid by the companies we write about. Adverts never affect our guidance. Read our editorial policy.

Company Complaint Guides

Where to complain to each company, and the scheme to use if it is not put right.

ASDA MobileCISASBTCommunications OmbudsmanCommunity FibreCommunications OmbudsmanCuckooCISASEECommunications OmbudsmanG.NetworkOmbudsman ServicesgiffgaffCommunications OmbudsmanGigaclearCommunications OmbudsmanHyperopticCommunications OmbudsmaniD MobileCommunications OmbudsmanLebaraCommunications OmbudsmanLyca MobileCommunications OmbudsmanNOWCISASO2CISAS (Communication and Internet Services Adjudication Scheme)PlusnetCommunications OmbudsmanShell Energy BroadbandCISASSkyCISAS (Communication and Internet Services Adjudication Scheme)SMARTYCISASSuperdrug MobileCISASTalkTalkCISAS (Communication and Internet Services Adjudication Scheme)Tesco MobileCommunications OmbudsmanThreeCISAS (Communication and Internet Services Adjudication Scheme)TrooliCISASTruespeedCISASVirgin MediaCISAS (Communication and Internet Services Adjudication Scheme)VodafoneCISAS (Communication and Internet Services Adjudication Scheme)VOXICISASYouFibreCommunications OmbudsmanZen InternetCISAS

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