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Already an O2 Business customer?
You can find answers quickly on our help and support pages. Or if you need to speak to someone, the easiest way is to chat online.
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Quickest way to get in touch
Give us a moment
We're just checking to see if there's an available agent.
Telephone numbers and contact hours
| Business customer service | Number | Charges |
|---|---|---|
| From your O2 mobile | 8002 | Free |
| From a landline | 0800 977 7337 | Free |
| From abroad | +44 844 809 0200 | Free |
| Opening times | |
|---|---|
| Monday to Friday | 08:00 - 20:00 |
| Saturday & Sunday | 09:00 - 17:00 |
| Bank Holidays | 10:00 - 16:00 |
| Enterprise customer service |
|---|
| Contact your account manager |
| If you're managed by a local partner please contact your partner |
|---|
Limited service outside of these hours is available if you have lost or had your mobile phone stolen, or if you have a fault on your O2 landline.
Calls from abroad are free from an O2 Business mobile, other providers' charges may vary.
Calls from abroad are free from an O2 Business mobile, other providers' charges may vary.
About your O2 Business account
Quickest way to get in touch
Give us a moment
We're just checking to see if there's an available agent.
Telephone numbers and contact hours
| Business customer service | Number | Charges |
|---|---|---|
| From your O2 mobile | 8002 | Free |
| From a landline | 0800 977 7337 | Free |
| From abroad | +44 844 809 0200 | Free |
| Opening times | |
|---|---|
| Monday to Friday | 08:00 - 20:00 |
| Saturday & Sunday | 09:00 - 17:00 |
| Bank Holidays | 10:00 - 16:00 |
| Enterprise customer service |
|---|
| Contact your account manager |
| If you're managed by a local partner please contact your partner |
|---|
Limited service outside of these hours is available if you have lost or had your mobile phone stolen, or if you have a fault on your O2 landline.
Calls from abroad are free from an O2 Business mobile, other providers' charges may vary.
Calls from abroad are free from an O2 Business mobile, other providers' charges may vary.
How to buy
Quickest way to get in touch
Give us a moment
We're just checking to see if there's an available agent.
Telephone numbers and contact hours
| Business customer service | Number | Charges |
|---|---|---|
| From your O2 mobile | 8002 | Free |
| From a landline | 0800 977 7337 | Free |
| From abroad | +44 844 809 0200 | Free |
| Opening times | |
|---|---|
| Monday to Friday | 08:00 - 20:00 |
| Saturday & Sunday | 09:00 - 17:00 |
| Bank Holidays | 10:00 - 16:00 |
| Enterprise customer service |
|---|
| Contact your account manager |
| If you're managed by a local partner please contact your partner |
|---|
Limited service outside of these hours is available if you have lost or had your mobile phone stolen, or if you have a fault on your O2 landline.
Calls from abroad are free from an O2 Business mobile, other providers' charges may vary.
Calls from abroad are free from an O2 Business mobile, other providers' charges may vary.
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Tell us what's gone wrong and we'll try to make things better. See how to make a complaint.