Gi was extremely helpful and made the phone upgrading process far simpler! I am delighted with my new iPhone. Thanks to the Cannon Street team!
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See what reviewers are saying
I visited the Three store on Cannon Street today and was assisted by Miss Gi. I’m really happy with the customer service I received. She was friendly, professional, and very helpful throughout my vi... See more
Company replied
Had such a great experience getting a SIM card here. Khai was very understanding of my situation and explained what steps I had to take to make sure I wasn't double-charged on accident. He set up my a... See more
Company replied
Went into the Cannon Street shop as I had a rather complex issue of multiple contracts. Andre made it very easy to understand and helped tidy up the contracts, he was clear and concise and made it a s... See more
Company replied
Company details
About Three UK - 3Store Cannon Street
Written by the company
Three is a connectivity company that started life in 2003. Today, Three has over 9.5 million customers and the UK’s Fastest 5G Network.
Three’s 4G network covers 99% of the UK outdoor population.
Awards: Three was voted the Uswitch Best Network for Data 2022, and the UK’s Fastest 5G Network 2022 in the Ookla™ speedtest awards. Three UK is part of the CK Hutchison Holdings Ltd group of companies which has mobile operations in 11 countries.
Got questions about your device or our network? Learn, collaborate and support others by joining the Three Community.
Better connectivity, every day for every customer
Written by the company
- On the UK’s Fastest 5G Network
- “As a major part of the UK’s critical infrastructure, we take our role within corporate social responsibility very seriously. Whether we’re supporting the communities that need it most. Or nurturing a culture of belonging and respect for our diverse people. Every step we take as a business needs to have meaningful impact on our people and our society. We’re here to provide connectivity every day for every customer. But we’re also incredibly proud of the charitable partnerships and campaigns we’ve formed – particularly with Samaritans. These are having a positive impact on our wider communities and the lives of our customers. Because every aspect of life needs a big network.” Robert Finnegan, Chief Executive Officer
Contact info
64 Cannon Street, EC4N 6AE, London, London, United Kingdom
- 02072481209
4.9
Excellent
100 reviews
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Gi was very professional and helpful
February 12, 2026
Unprompted review
Reply from Three UK - 3Store Cannon Street
Hi there, we’re so happy to see this has been your experience, we’ll certainly pass your feedback on! -John
Reply from Three UK - 3Store Cannon Street
Hey Micheal, that's marvelous! 🌸 We’re so glad you marked your happiness with a brilliant 5 ⭐ -Ashifa
I am very happy with Gi’s service
I am very happy with Gi’s service. She gave me a really good deal in store!
February 9, 2026
Unprompted review
Reply from Three UK - 3Store Cannon Street
Hi Yahya! Thank you for sharing this feedback. It’s great to hear that Gi provided such attentive support and helped you secure a fantastic offer. We can’t wait to welcome you back again! -Afaq
Excellent and fast service
Excellent and fast service. Andre was amazing.
February 9, 2026
Unprompted review
Reply from Three UK - 3Store Cannon Street
Glad to hear that Andre was able to give you such an awesome experience 😊 Thanks for taking the time to share this with us, Michael❤️ -Arvind
Gi was brilliant and was incredibly…
Gi was brilliant and was incredibly knowledgeable and helpful. She was patient with all if my questions and i could not be happier. Thank you Gi!!
February 4, 2026
Unprompted review
Reply from Three UK - 3Store Cannon Street
Hey there, that’s marvelous! A big shoutout to Gi for delivering such amazing support. Thanks so much for taking the time to leave us a 5⭐ review! -Veronica
I'm very happy with the service…
I'm very happy with the service provided by João. I'll be coming to this branch in the future if I need help.
February 4, 2026
Unprompted review
Reply from Three UK - 3Store Cannon Street
Creating smiles and delight is what we’re proud to bring to our customers every day, Maria. Joao made it happen beautifully. We can’t wait to welcome you back again🤗 -Ashifa
Gi was great and an enthusiastic…
Gi was great and an enthusiastic salesperson. Good value
February 3, 2026
Unprompted review
Reply from Three UK - 3Store Cannon Street
Hey Aakil, that’s brilliant 😊 We’re pleased to know Gi delivered such positive and supportive service. Thanks so much for sharing your experience 😊 -Arvind
Good service
February 3, 2026
Unprompted review
Reply from Three UK - 3Store Cannon Street
We appreciate you sharing this, Val! 😊 It’s wonderful to know you had a great experience. Your feedback truly means a lot to us. -Manavata
Reply from Three UK - 3Store Cannon Street
Hi, Netanel. We're so happy to know that you had a great experience with us. Thanks for this amazing 5 ⭐ review. -Prabhjeet
Gi has been absolutely amazing
Gi has been absolutely amazing, she is very patient and professional. Thank you !
January 26, 2026
Unprompted review
Reply from Three UK - 3Store Cannon Street
Hey François, that’s marvelous! A big shoutout to Gi for delivering such amazing support. Thanks so much for taking the time to leave us a 5⭐ review! -Veronica
Reply from Three UK - 3Store Cannon Street
Wow, we absolutely love hearing this, Danny! Thank you for the feedback. Enjoy the rest of your day. -Afaq
Great service as always
January 23, 2026
Unprompted review
Reply from Three UK - 3Store Cannon Street
Thanks for your 5 ⭐ review, Dejene, and it's lovely to hear that you enjoyed great service. We appreciate you taking the time to share this with us 🎊. -Michael
Gi made it easy to understand
Gi made it easy to understand the different tariffs available and we were all done in 10 minutes. I heard about new products on offer but decided to stick with the basic package I was after. Thank you for having a shop I could pop into to speak with someone
January 19, 2026
Unprompted review
Reply from Three UK - 3Store Cannon Street
Hello Sophie, this is what we love to hear from our customers! We’ll certainly pass your feedback on! -John
That was very happy with my service in…
That was very happy with my service in store that's why I'm giving five stars
January 15, 2026
Unprompted review
Reply from Three UK - 3Store Cannon Street
Yay, Luke! 🎉 It’s wonderful to hear that our team made your experience fabulous. Thank you for taking the time to leave an incredible 5 ⭐ review. Hope to see you soon! -Afaq
Joss was a great help
January 12, 2026
Unprompted review
Reply from Three UK - 3Store Cannon Street
Wow, we absolutely love hearing this, Meringheghe! Thank you for the fantastic 5 ⭐ review. We hope you have a wonderful day! -Afaq
Good service Joao is helpful.
January 9, 2026
Unprompted review
Reply from Three UK - 3Store Cannon Street
Hi there.
Oh yeah, that's what we like to hear. Thanks for taking the time to leave us this 5 star review. -Pete
Really helpful and efficient!
January 8, 2026
Unprompted review
Reply from Three UK - 3Store Cannon Street
That’s wonderful to hear, Momina. Thank you so much for the 5 ⭐ review, and we’re grateful for your kind words. -Manavata
Quick and easy
Quick and easy. Retail advisor was knowledgeable and understood my needs.
January 7, 2026
Unprompted review
Reply from Three UK - 3Store Cannon Street
We really appreciate your feedback. We’re delighted the advisor guided you clearly and made everything simple. -Shivam
Good service!
January 6, 2026
Unprompted review
Reply from Three UK - 3Store Cannon Street
Hello Conor! We’re glad to hear that you had a great experience with us. Thank you so much for the 5⭐ review! We’re always happy to help. -Ayesha
BEST CUSTOMER SERVICE
Joan help me alot he was friendly, professional manner I get what I wanted good service .thank you
January 6, 2026
Unprompted review
Reply from Three UK - 3Store Cannon Street
Hey Meron, we’re so happy to know that Joan was able to help you. Thank you for sharing your 5⭐ review! -Neha
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