Provider

O2 isn't signed up to our scheme, so we can't review your dispute.

You can contact the Communication and Internet Services Adjudication Scheme (CISAS) who may be able to help further. Call 020 7520 3814 or email cisas@cedr.com.

For O2 Business disputes, please visit their supplier page.

Visit the CISAS website For O2 Business click here

Please confirm the following in order to continue:

I've checked that O2 is the correct provider to raise my dispute against

I've complained to O2 already

I've received a deadlock letter OR it has been 6 weeks without my complaint being resolved

I have sufficient evidence to support my case, including the date I raised my complaint to O2

I have a question Continue dispute

Let's quickly check if you're ready to register your dispute:

O2 matches the company name written on the account holder's bill.

It's been at least 6 weeks since I first raised the issue with the supplier (or I have received a Deadlock Letter).

I have sufficient evidence to support my case.

Ready to raise your dispute with us?

Raise dispute

O2 isn't signed up to our scheme, so we can't review your dispute.

We just need to check...

Am I Ready?