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For instant support, go to our help pages or try the BT Business Community.
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Global & multinational customers
Contact us for help and support
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Moving premises Our global division is now part of BT Business.
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BT Business global & multinational customers
Contact us to get the help and support you need. For our global and multinational customers only.
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Check an order
Track or change existing orders
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Broadband and internet -
Broadband Track your order online - no need to call
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Live chat:
Monday-Friday 08:00-17:00 -
Call us:
0800 800 152
Monday-Friday 08:00-18:00
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BTnet -
Call us:
0800 032 4362
Monday-Friday 08:30-17:00
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Phone line and services -
Phone line and Featureline Track your order online - no need to call
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Live chat:
Monday-Friday 08:00-17:00 -
Call us:
0800 800 152
Monday-Friday 08:00-18:00
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Cloud Voice Express Track your order online - no need to call
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WhatsApp us:
Best if you're on your mobile
Monday-Friday 09:00-17:00 -
Live chat:
Monday-Friday 09:00-17:00 -
Call us:
0800 011 3237
Monday-Friday 08:00-18:00
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ISDN30/30E -
Popular FAQs
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Call us:
0800 387 309
Monday-Friday 08:00-18:00
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08 and 09 numbers -
Call us:
0800 800 152
Monday-Friday 08:00-18:00
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Phone systems -
Track your order online - no need to call
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Popular FAQs
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MiCloud UC and CC order enquiries:
0800 345 7984
Monday-Friday 09:00-17:00 -
MiCloud and MiCloud Advance order enquiries:
0800 181 556
Monday-Friday 09:00-17:00 -
All other order enquiries:
0800 800 152
Monday-Friday 08:00-18:00
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Email -
Track your order online - no need to call
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Live chat:
Monday-Friday 08:00-17:00 -
Call us:
0800 800 152
Monday-Friday 08:00-18:00
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Domains and hosting -
Track your order online - no need to call
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Popular FAQs
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Call us:
0800 800 152
Monday-Friday 08:00-18:00
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Mobile services -
Mobile Track your order online - no need to call
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WhatsApp us:
Best if you're on your mobile
Monday-Friday 08:00-18:00 -
Call us:
0800 800 152
Monday-Friday 08:00-18:00 and available 24/7 for lost or stolen SIM's. If calling from abroad, use +441635 691702
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BT One Phone Track your order online - no need to call
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Popular FAQs
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Call us:
0800 800 152
Monday-Friday 08:00-18:00
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Deal with bills
Pay bills, query charges, discuss billing
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Mobile billing enquiries -
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WhatsApp us:
Best if you're on your mobile
Monday-Friday 08:00-18:00 -
Call us:
You'll need your device and account or mobile number when you call
0800 800 156
Monday-Friday 08:00-18:00 and available 24/7 for lost or stolen SIM's. If calling from abroad, use +441635 691702
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All other billing enquiries -
To protect your account and data, we’ll need to verify you’re authorised to discuss the account. Please see our security check information, before contacting us.
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Fastest answers in FAQs
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Fix faults
Technical help, report and track faults
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Broadband and internet -
Broadband -
BTnet If you've lost all incoming and outgoing calls, reboot the firewall and your phone system. This helps reconnect the SIP platform, and restore service.
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Service issues:
Check for outages in your area - 24/7
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Popular FAQs
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Call us:
0808 100 2440
Available 24/7
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Phone line and services -
Phone lines -
Cloud Voice Express -
Featureline and Embark Don't forget to dial '9' before trying to get an outside line.
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ISDN30/30e -
Popular FAQs
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08 and 09 numbers -
Service issues:
Check for outages in your area - 24/7
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Popular FAQs
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Call us:
0800 110 011
Available 24/7
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Phone systems -
BT Cloud Phone -
Service issues:
Check for outages in your area - 24/7
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Popular FAQs
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Call us:
0800 389 0598
Available 24/7 for Connect or Collaborate user feature pack customers. For Basic user feature pack customers Monday-Friday 08:00-18:00
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BT Cloud Voice -
MiCloud and MiCloud Advance -
Call us to report a fault:
0808 1002440
Monday-Friday 09:00 - 17:00 -
Call us for technical help:
0800 181556
Monday-Friday 09:00 - 17:00
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MiCloud UC and CC -
Call us for support or to report a fault:
0800 055 6065
Monday-Friday 09:00 - 17:00
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Avaya IP Office We can only provide technical advice to customers who have a maintenance contract.
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Live chat with us to report a fault:
Monday-Friday 08:00-18:00 -
Call us to report a fault:
0800 800 154
Available 24/7 -
Call us for technical help:
0800 378 822
Monday-Friday 09:00-17:00
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Mitel MN3300 We can only provide technical advice to customers who have a maintenance contract.
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Live chat with us to report a fault:
Monday-Friday 08:00-18:00 -
Call us to report a fault:
0800 800 154
Available 24/7 -
Call us for technical help:
0800 181 556
Monday-Friday 09:00-17:00
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BT Quantum We can only provide technical advice to customers who have a maintenance contract.
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Live chat with us to report a fault:
Monday-Friday 08:00-18:00 -
Call us to report a fault:
0800 800 154
Available 24/7 -
Call us for technical help:
08702 408 377
Monday-Friday 09:00-17:00
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BT Versatility We can only provide technical advice to customers who have a maintenance contract.
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Live chat with us to report a fault:
Monday-Friday 08:00-18:00 -
Call us to report a fault:
0800 800 154
Available 24/7 -
Call us for technical help:
08702 408 377
Monday-Friday 09:00-17:00
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BT Cloud Voice SIP
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Email and hosting -
Email Can't send emails? If you're using a BT Connect mailbox, you'll need to make sure you update your mail client settings
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Web hosting (DIY) -
Popular FAQs
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Live chat:
Monday-Friday 08:00-18:00 -
Call us:
0800 800 154
Available 24/7 -
Email us:
Response times can vary
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Managed websites (BT Marketing solutions) Contact BT Marketing Solutions about BT Managed websites (Web Starter, Web Manager & Web Expert), BT Website Manager and BT Search Marketing.
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Email us:
Response times can vary.
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Domains The fastest way to get help is to use live chat.
We'll need your account number and security answer.
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Popular FAQs
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Live chat:
Monday-Friday 09:00-16:30 -
Email us:
Click the button and choose a domain technical enquiry form
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Mobile services -
Mobile Lost or stolen: Call us immediately.
Fix faults: Switch your device off and on again - it fixes most problems.
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WhatsApp us:
Best if you're on your mobile
Monday-Friday 08:00-18:00 -
Call us:
You'll need your device and account or mobile number when you call
0800 800 154
Available 24/7. If calling from abroad, use +441635 691702
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BT One Phone Lost or stolen: Call immediately, and we'll bar your phone so it can't make calls.
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Call us:
Please make sure you have your account number or BT One Phone number to hand
0345 154 8844
Monday-Friday 08:00-18:00 and available 24/7 for lost or stolen SIMs
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Buy something
New product, service, or upgrade
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1 to 149 employees -
Broadband, lines and general sales -
Buy online
Our products
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Call us:
0800 800 152
Monday-Friday 08:00-18:00 -
Live chat:
Monday-Friday 08:00-18:00
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Phone system sales -
Buy online
Our products
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Call us:
0800 707 6320
Monday-Friday 09:00-17:00 -
Live chat:
Monday-Friday 09:00-17:30
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BTnet and network solutions -
Buy online
Our products
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Call us:
0800 707 6315
Monday-Friday 09:00-17:00 -
Live chat:
Monday-Friday 09:00-17:00
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150+ employees -
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Buy online
Our products
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Call us:
0800 707 6320
Monday-Friday 09:00-17:00 -
Live chat:
Monday-Friday 09:00-17:00
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Moving premises
Switch your service to your new address
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Moving premises -
Live chat:
Monday-Friday 08:00-18:00 -
WhatsApp us:
Monday-Friday 08:00-18:00
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Call us:
0800 917 9949
Monday-Friday 08:00-18:00 -
More information online
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Close an account
Tell us you're leaving
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Close an account -
Call us:
0800 800 152
Monday-Friday 08:00-18:00 -
BT One Phone only:
Please make sure you have your account number or BT One Phone number to hand
0345 154 8844
Monday-Friday 08:00-18:00 and available 24/7 for lost or stolen SIMs -
MiCloud UC and CC only:
Please contact your BT account manager.
0800 055 6065
Monday-Friday 09:00-17:00
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Make a complaint
If you’re unhappy with any of our products or services, please contact us on our complaints page