Once the service became operational, Accenture worked closely with O2 to upskill the service management team, refining operational processes to help identify and solve issues with the solution. "This is the biggest IOT project of its kind, anywhere in the world, and success here will change how the UK uses utilities forever.

O2 | Service Status Another way to stay connected with O2. Make and receive calls over wifi even if you can't connect to the mobile network. Get clearer calls with 4G Calling. Both at no extra charge. To learn more, go to Wifi and 4G Calling. O2 Business customer? Go to Wifi and 4G Calling for business. Please note: Wifi and 4G Calling is only available to O2 O2 Reviews - Read 363 Genuine Customer Reviews | www.o2.co.uk He has restored my faith in customer services and ensured that 02 has secured my business for the foreseeable future. Thank you again James Lohan O2 Customer Services… O2 transforms its digital customer experience - Accenture

Contact Us | Help, Support and Useful Numbers | O2

Customer Services team: 0333 003 3444 Monday - Friday 9:00 - 17:00. If you want to get in contact with us, and you are an Unlimited customer, please use the Unlimited direct line. Calls to this number cost no more than to 01 or 02 numbers and are included within your mobile network minutes, or email* us at: [email protected] Stay safe. We'll never email or text asking you to send or verify personal, financial or password details. Make sure you keep your details safe and never give them out, even if it looks like the email or text came from us. He has restored my faith in customer services and ensured that 02 has secured my business for the foreseeable future. Thank you again James Lohan O2 Customer Services. 19/05/20 13:18 CASE ID :1199273032 ”

Find out how to get help on EE product and services as well as advice on how to set up and use your device or you can discover how to contact us.

Contact Us | Help, Support and Useful Numbers | O2 Already an O2 Business customer? You can find answers quickly on our help and support pages - choose a category below - or try the Business forum in the O2 Community. If you need to speak to someone, the easiest way is to chat online or call business customer service. What is the e-mail address to contact O2 Customer Service?