O2 Complaints Number, Email and Office Address

If you are a regular customer of O2 and use their services or products then you may had any problems with their services or could have in the future. So here we provided 02 complaints number for you.. Which allows you to solve your problem or any of your questions?

Contact O2 complaints department

Official Website o2.co.uk
Complaints number UK 0800 840 0202 or 0844 809 0222
O2 complaints email complaintreviewservice@o2.com
Customer complaints head office 260 Bath Road, Slough,
Berkshire, SL1 4DX, UK
O2 head office number 0800 840 0202 or 0844 809 0222

O2 Complaints customer service email address

All complaints are handled internally by O2, and here we provide grievance redressal numbers and other information for customers to take their grievances to any regulatory body.

Having said that, O2 takes customer complaints very seriously, and customers should attempt to resolve their concerns with the Customer Service team first. Call the company’s customer service representatives at 0800 840 0202 or 0844 809 0222 or send them an email at complaintreviewservice@o2.com. They will typically address the complaint within the same working day.

O2 complaints procedure

Contact via Support Form: Support Form

Other Phone number and email

How can I contact O2 ?

If you would like to make O2 complaint, please contact us via Contact Us page on website.

O2 provides customers with the best possible service. If you haven’t received the service you expected, you have the right to make a complaint.

See Also: Alton Towers complaints

O2 customer hours
Day Opening Hours Closing Hours
Monday 8.00 am 6.00 pm
Tuesday 8.00 am 6.00 pm
Wednesday 8.00 am 6.00 pm
Thursday 8.00 am 6.00 pm
Friday 8.00 am 6.00 pm
Saturday 8.00 am 6.00 pm
Sunday 8.00 am 6.00 pm
About us

O2 UK is a British telecommunications services provider, headquartered in Slough, England which operates under the O₂ brand. It is owned by Virgin Media O2, a venture between Telefónica and Liberty Global.


Q. How do I complain to O2 UK?

A. The complaints number will show as 0800 840 0202, so you know it’s us. They promise that always treat you fairly and with respect, update you with any progress, and clearly explain what has happened and aim to resolve your complaint on the call.

Q. How do I escalate a complaint with O2?

A. Email complaintreviewservice@o2.com Make sure you include your contact details and what you’d like us to do to resolve your complaint. They send you an acknowledgement of your complaint straight away and get the investigation started.

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