Important information

From 1st February 2019, the Communication and Internet Services Adjudication Scheme (CISAS) will handle complaints about Vodafone. We can accept all complaints which have reached deadlock and have been submitted to us after 1st February 2019.

Who is covered?

The following communications providers are registered with CISAS and are listed in alphabetical order. Click on the letter or numbers below. Clicking on the name of the communications provider should take you to their website. If your communications provider has told you that they are a member of CISAS but they are not on this list then please contact us. If your communications provider is not listed as a member of CISAS then they may either be a member of OS:C or they may not yet be a member of an approved ADR service. In this case you should refer them to Ofcom. If you are a communications provider and want to join CISAS, please view our Company Guidance page.

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