The staff in particular Kelly were very helpful indeed. She tried to work out why the 5G hub was not connecting to my phone. After changing the sim she brought a new hub which did connect to my phone... See more
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Went into Three to upgrade my mobile phone and Kelly Short dealt with me. She was very friendly, knowledgeable about the various phones and helped me choose a phone and plan that was suitable for me f... See more
Company replied
My contract was due for renewal,popped in store and was seen by Chris who was super helpful and friendly and left the store with a great new phone with an evening better deal than previous contract.... See more
Company replied
Interactive with my son and saved a good amount of money
Company replied
Company details
About Three UK - 3Store Grantham
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
Unit 36 Issac Newton Centre, NG31 6EE, Grantham, Midlands, United Kingdom
- 01476575666
4.9
Excellent
188 reviews
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Reply from Three UK - 3Store Grantham
Hey Darius, that’s wonderful! We’re so glad Chris made everything seamless for you. Thank you for the amazing 5⭐ review! -Veronica
Ryan ticks all the boxes
Ryan ticks all the boxes, answers all the questions very honest, helpful, friendly very happy. Went the extra mile for us.
3 February 2026
Unprompted review
Reply from Three UK - 3Store Grantham
Hey Mrs Dawson, it’s wonderful to hear that Ryan went the extra mile to make sure all your questions were answered and left you feeling very happy. Thank you! ☺️ -Kashish
Chris was very knowledgeable and…
Chris was very knowledgeable and curtious and professional,helped me with my issue and i would've been lost without him.
30 January 2026
Unprompted review
Reply from Three UK - 3Store Grantham
Thank you so much for sharing this, Peter. It’s wonderful to hear that Chris made everything easy to understand and supported you throughout the process. Feedback like this brightens our day. -Manavata
Top service
Chris as always, very helpful, polite, welcoming. Great service and products. Great store.
26 January 2026
Unprompted review
Reply from Three UK - 3Store Grantham
Hi there.
That's great. We're glad to hear that. Thank you for the 5 stars. -Pete
Great, friendly customer service!
Today I went to the 3 Store in Grantham as I was out of contract. Chris was our Customer Advisor and he was really helpful. He helped me to find a new device, get a SIM deals that meets my needs and transfer everything from my old phone to my new phone!
24 January 2026
Unprompted review
Reply from Three UK - 3Store Grantham
Hi Laura! Thank you for sharing your experience. We’re so glad Chris was able to help you find the right device, set up a SIM deal that fits your needs, and smoothly transfer everything over. It sounds like he made upgrading feel as easy as pressing the magic button ✨ -Kashish
Great experience
Great experience, help and support from Chris. Thank you
24 January 2026
Unprompted review
Reply from Three UK - 3Store Grantham
Erika, your message filled us with happiness 💖 Big shoutout to Chris for making your experience excellent and thank you for taking the time to share it with us. -Ashifa
Chris was very helpful in store today…
Chris was very helpful in store today (Grantham)
24 January 2026
Unprompted review
Reply from Three UK - 3Store Grantham
Hey Samantha, thank you for sharing your experience! We’re delighted to hear that Chris was so welcoming and helpful during your visit to our Grantham store. ☺️ -Prabhjeet
Chris was helpful in every way can't…
Chris was helpful in every way can't fault!
23 January 2026
Unprompted review
Reply from Three UK - 3Store Grantham
Your kind words mean a lot, Margaret! We’re thrilled Chris was able to help you so thoroughly 😊 -Suhaas
Chris was extremely helpful with…
Chris was extremely helpful with changing my phone and showing me the ropes and also helped me to sort out trade in. And make sure everything was transferred.
22 January 2026
Unprompted review
Reply from Three UK - 3Store Grantham
Hi George! Thank you for your feedback. We are delighted to hear that Chris assisted you with moving to your new device, guided you through the trade in process, and ensured all your information was transferred correctly. -Afaq
Chris was very helpful getting me the…
Chris was very helpful getting me the best deal for my work phone. He was very helpful. Would recommend
21 January 2026
Unprompted review
Reply from Three UK - 3Store Grantham
We appreciate your feedback, Chesney. It’s wonderful to hear Chris supported you in finding a deal that suited your needs. -Shivam
REVIEW GRANTHAM
The staff go out of their way to be helpful and informative. Nothing is too much trouble and I've come away very much more informed about my new phone than when I went in.
20 January 2026
Unprompted review
Reply from Three UK - 3Store Grantham
Nothing makes us happier than knowing our customers leave feeling confident with the service our staff has provided. Annie, thank you for trusting us with your new phone journey! ✨ -Ayesha
Very helpful and great service
Went in store today Ryan was very helpful and very polite.
Evan with a problem he manged to sort things out
Great customer service
19 January 2026
Unprompted review
Reply from Three UK - 3Store Grantham
Hey Paul, this is what we love to hear! We’re so happy this is the service you received from Ryan, we’ll certainly be passing your feedback on. -John
Reply from Three UK - 3Store Grantham
Mandy ✨ We’re glad Chris could assist you, and that everything was handled with care 🤝 -Shivam
Spot on service
Chris was amazing sorted everything I needed. No stress. Saved me money. Cant ask for more
10 January 2026
Unprompted review
Reply from Three UK - 3Store Grantham
Hello there.
Awesome stuff. We're glad to hear that. Thanks for the support. -Pete
Chris was absolutley amazing and…
Chris was absolutley amazing and helpful, explain everything clearly. He's doing his job perfect. From me for him more than 5 stars.
10 January 2026
Unprompted review
Reply from Three UK - 3Store Grantham
Hi.
Thanks! Your review is really appreciated. -Pete
Chris was helpful and professional who…
Chris was helpful and professional who took his time to explain everything to both my daughter and self.
Thank you Danny
10 January 2026
Unprompted review
Reply from Three UK - 3Store Grantham
Hello there.
That's amazing. We're glad to hear they were so helpful. Thanks for the feedback. -Pete
Came into store with issue woth my…
Came into store with issue woth my internet Ryan was very understanding and helped me out great service.
9 January 2026
Unprompted review
Reply from Three UK - 3Store Grantham
Hi.
Thanks! Your review is really appreciated. -Pete
Chris has been very helpful amazing…
Chris has been very helpful amazing customer service
8 January 2026
Unprompted review
Reply from Three UK - 3Store Grantham
Thank you for your review, Charlotte 🎉 We’re delighted Chris gave you excellent support and made your experience smooth and positive 🎊 -Shivam
fab service
fab service
Chris in store was amazing very easy and helpful
7 January 2026
Unprompted review
Reply from Three UK - 3Store Grantham
Thanks for your 5 ⭐ review, Jemma, and it's lovely to hear that you enjoyed great customer service. from Chris during your store visit. We appreciate you taking the time to share this with us 🎊. -Michael
Chris was excellent
Chris was excellent, really helped us choose the right deal for us.
6 January 2026
Unprompted review
Reply from Three UK - 3Store Grantham
Hi Hugh, we’re thrilled Chris delivered exceptional service! Thank you for taking the time to leave us a 5⭐ review. -Neha
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