Sales team: 0800 033 8022  

Business Contact us

Not a business customer?

Go to the Personal Contact us page to get in touch with our team.

Business sales live chat

Open 9am to 6pm, Monday to Saturday. Closed bank holidays.

Chat now

Business support chat

Open 7am to midnight, 7 days a week.

Chat now

Business sales and upgrades team

Lines are open 8am to 8pm, Monday to Friday, and 9am to 6pm,
Saturdays. Closed bank holidays.

0800 033 8022

Call our business support team

Open 8am to 8pm, Monday to Friday, and 9am to 5pm, Saturdays.
Open bank holidays, 9am to 5pm.

From your Three Business phone.

0800 033 8033
From your any other phone.

+44 7782 333 333
From abroad (standard roaming rates apply).

Need 50 or more SIMs?

No problem. Email us now with your contact details, and a member of our specialist team will call you back to discuss what we can offer your business.

Email the business team

We aim to respond to emails within 24 business hours.

Something not right?

If you have had a bad experience at Three, let us know so we can do our best to make it right.

How to make a complaint