Communications Ombudsman can help to sort out a complaint with us as a communications company.

You're not charged for using the service. They investigate complaints fairly by listening to both sides of the story and looking at the facts.

If you'd like to know more about the way they work and what they can help with, visit the Communications Ombudsman website. 

You can call Communications Ombudsman on 0330 440 1614 or write to them at:

Communications Ombudsman
PO Box 730
Warrington
WA4 6WU

The Financial Ombudsman Service can help if you've complained about a financial product and you're not happy with how things have turned out. It doesn't cost anything to use the service and they'll look at what's happened and give an unbiased view.

You can call the Financial Ombudsman Service on 0300 1239 123, email complaint.info@financial-ombudsman.org.uk or write to them at:

Financial Ombudsman Service
Exchange Tower
London
E14 9SR

There's an online leaflet you can read with more information on what the Financial Ombudsman can help with.

You can view our complaint data here.

If you’d prefer, you can raise your issue with Resolver - the free, independent complaints service. Learn more about Resolver.

If you’re a Business customer and your account is Partner managed, please make your complaint directly to your Partner.

Raising your complaint with O2 could mean it takes longer to resolve, as sometimes we have to pass the information onto the Partner in question.

Find your Partner’s contact information

Ofcom is the telecommunications regulator, which means they oversee certain policies and processes in place for customers.

Ofcom doesn’t investigate individual complaints from customers, but they can provide information and advice.

If something has gone wrong, please let us know so we can try to put things right – we have dedicated advisors who’ll be happy to help. Find the best ways to contact us.