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
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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 extremely helpful and made the…
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!
June 4, 2026
Unprompted review
Reply from Three UK - 3Store Cannon Street
Wow, Gi and the Cannon Street team sound like an absolute gem here! Emily, we’re so happy they made everything easier for you. Thank you for sharing such wonderful feedback! ☺️ -Neha
Friendly and professional service
June 3, 2026
Unprompted review
Reply from Three UK - 3Store Cannon Street
That’s impressive 🎯 Veronica, we’re thrilled that our team delivered such welcoming and top-tier support. -Arvind
Absolutely helpful customer advisor at…
Absolutely helpful customer advisor at Three store
May 13, 2026
Unprompted review
The customer advisor was very helpful!
The customer advisor was very helpful!
May 12, 2026
Unprompted review
Reply from Three UK - 3Store Cannon Street
Phoebe, thank you for such an amazing review. Our team's dedication truly made a difference. Enjoy the rest of your day! -Afaq
Gi is an amazing human
Gi is an amazing human, she took the time to explain everything to me in details and although I wasn't able to get what I wanted she helped me find alternative routes to go down , IN GI WE TRUST !
May 11, 2026
Unprompted review
Reply from Three UK - 3Store Cannon Street
Hi Jayah, thank you for the incredible ⭐⭐⭐⭐⭐ review. We're delighted to hear how well Gi supported you and guided you toward the best options. -Maryalex
Gi was really helpful with us today
Gi was really helpful with us today! Sorted the problem efficiently and was super friendly!
May 8, 2026
Unprompted review
Reply from Three UK - 3Store Cannon Street
Thank you for sharing your experience. It’s wonderful to hear that Gi made everything seamless and provided such attentive support. -Afaq
Joss help me to find more suitable plan…
Joss help me to find more suitable plan for my phone and make everything very clear and easy to understand
May 7, 2026
Unprompted review
Reply from Three UK - 3Store Cannon Street
That’s brilliant, Nathalie! We’re really glad to hear Joss guided you to the right plan and made the experience simple. Thank you for taking the time to leave this 5⭐ review! -Maryalex
Cannon Street Service Exceptional
Gentleman was super helpful. Helped me compare devices and make an informed decision. Also Helped me get the best plan for myself.
May 7, 2026
Unprompted review
Reply from Three UK - 3Store Cannon Street
Hi James, great to know the team supported you so well with comparing options and finding a plan that suited you. -Kishan
Gi customer service
Gi, was exceptionally helpful in sorting my request in store and at the cannon street three store.
May 6, 2026
Unprompted review
Reply from Three UK - 3Store Cannon Street
Spreading joy and happiness every day is what we love, John. Hearing that Gi made everything feel seamless and that your visit was truly special fills us with pride. It was a real pleasure serving you at Cannon Street. -Ashifa
Amazing service
Amazing service! Very helpful and calm staff!
Helped by Gi and she was very lovely!
May 6, 2026
Unprompted review
Reply from Three UK - 3Store Cannon Street
That's wonderful to hear, Moa! ✨ A big shout‑out to Gi and the team for providing such outstanding support. Thank you for sharing your lovely feedback. 😊 -Maryalex
Staff in cannon street was very kind…
Staff in cannon street was very kind and Joss help me not only with a great deal she did transfer all my info for one phone to the new one . Thank
May 1, 2026
Unprompted review
Reply from Three UK - 3Store Cannon Street
Smiles all around at Cannon Street! Joss went the extra mile, securing a brilliant deal and making your switch to a new phone completely seamless, Benjamin. We’re delighted your visit was such a standout experience. -Ashifa
André was super helpful
André was super helpful and professional, very happy with the service
May 1, 2026
Unprompted review
Reply from Three UK - 3Store Cannon Street
Hey Cam! 🌷We’re thrilled to know André made your day special. Thank you for sharing such uplifting feedback! 💫☺️ -Kashish
I was served by Joss this morning
I was served by Joss this morning. She was quick, efficient and very helpful. Any doubts i’ve had about being with three have gone because of her. Please send my praise, we need more people like Joss in customer service!
April 27, 2026
Unprompted review
Reply from Three UK - 3Store Cannon Street
This absolutely made our day! ✨ We’re so glad Joss gave you the kind of service that wipes away any doubts. She’s a star and we’ll make sure she sees your lovely words! -Ayesha
Very happy with the service
Very happy with the service. They fixed my signal within 5 minutes!
April 22, 2026
Unprompted review
Reply from Three UK - 3Store Cannon Street
Thanks for the shout‑out, Aleksandar! 😊 Happy to hear the team got everything working for you so quickly. -Ayesha
Lovely experience at the store with Gi
Lovely experience at the store with Gi, who helped me choosing a plan that suits me better. She was amazing very helpful.
April 21, 2026
Unprompted review
Reply from Three UK - 3Store Cannon Street
Thanks so much, Marco! We’re delighted you had such a positive experience with Gi, and your kind words mean the world to our team 😊. -Neha
I come to this store every month to top…
I come to this store every month to top up my card. Every time they are very nice and professional and answer ever question I have about my plan.
April 21, 2026
Unprompted review
Reply from Three UK - 3Store Cannon Street
Sinan, it’s great to hear that you visit us every month. Knowing that the team consistently provides friendly, professional service and answers all your questions about your plan really means a lot. We appreciate your continued trust in us. -Manavata
I came back to three stores on Cannon…
I came back to three stores on Cannon Street, and all members were wonderful. Gi helped me a lot with information that I couldn't find at the three stores in Lewisham, sorry to say that .Thank you a lot to Gi and all team members from Three stores from Cannon Street
April 20, 2026
Unprompted review
Reply from Three UK - 3Store Cannon Street
Hi Johnny, thanks for taking the time to share your experience. We’re really pleased to hear the Cannon Street team made such a difference for you. It’s great to know Gi was able to give you the support and clarity you were looking for. We appreciate your honesty -Shivam
Excellent service and nice people help…
Excellent service and nice people help me with the home broadband
April 20, 2026
Unprompted review
Reply from Three UK - 3Store Cannon Street
Hi Dan-Hua! It’s wonderful that our team provided such a pleasant experience while setting up your home broadband. -Suhaas
Reply from Three UK - 3Store Cannon Street
Hi Liliana, Gi really smashed it! Thanks for sharing this amazing feedback! ✨ -Samad
We came to do a credit check and Gi was…
We came to do a credit check and Gi was really helpful with our queries and was amazing with customer service. She was really friendly and one of the best person we've seen in three.
April 16, 2026
Unprompted review
Reply from Three UK - 3Store Cannon Street
What a sweet 5⭐ rating, Dhevatha! Gi will be really happy to see this. We’re glad she made everything clear and gave you such great support. -Ayesha
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