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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Brilliant customer service
Brilliant customer service. Kelly was fantastic at helping set up my device and explained everything.
19 October 2026
Unprompted review
Reply from Three UK - 3Store Grantham
Hi Jane, thank you for your review; the guidance provided by Kelly clearly helped make getting started with your device a smooth and reassuring experience. — Three Social Media Team
Excellent Customer Service
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 financially. Amazing customer service and would definitely recommend Three to anyone.
6 October 2026
Unprompted review
Reply from Three UK - 3Store Grantham
Hey, Katie. We're thrilled to hear that Kelly provided such friendly and knowledgeable assistance during your visit to upgrade your device, ensuring you found the ideal handset and tariff for your budget. We truly appreciate your recommendation and hope you enjoy your new mobile! 😇 - Three Social Media Team
Chris was very helpful and we wouldn't…
Chris was very helpful and we wouldn't know where we would be without you! So happy with the service!
19 October 2026
Unprompted review
Reply from Three UK - 3Store Grantham
Love this, Sheila 💫 Chris clearly made all the difference, and it's wonderful to know his support left you feeling so looked after 🌟
- Three Social Media Team
Today I popped in the store
Today I popped in the store, and I meet Chris, he was very kind and helpful, he helped me save some money on my bill
Thanks Chris from Grandma 3 store
23 September 2026
Unprompted review
Reply from Three UK - 3Store Grantham
Chantal, thanks for the love! 😊 Chris was thrilled to help, and we’re so glad you had a fantastic time in store.
-Three Social Media Team
Kelly was fantastic
Kelly was fantastic, sorted all out for us 5 star
16 September 2026
Unprompted review
Reply from Three UK - 3Store Grantham
Hey Jacqui, we're so pleased that Kelly provided such dedicated support. Thank you for your amazing feedback! 😊-Three Social Media Team
Very grateful for help from Ryan and…
Very grateful for help from Ryan and very satisfied. Good service
15 September 2026
Unprompted review
Reply from Three UK - 3Store Grantham
Hi Kenneth, thank you for sharing this amazing 5⭐ review. It's wonderful to hear Ryan provided the support you needed and helped make the experience such a positive one. We appreciate your feedback.
Three Social Media Team
Been very helpful and got me a great…
Been very helpful and got me a great deal thanks
13 September 2026
Unprompted review
Reply from Three UK - 3Store Grantham
Thank you, Gary. We're thrilled to hear that you got a great deal and Been was helpful. Enjoy your new plan. 🥰 - Three Social Media Team
Brilliant service
Brilliant service, very informative and chris was extremely helpful
13 September 2026
Unprompted review
Reply from Three UK - 3Store Grantham
Thanks for sharing your experience, Michelle 💫 What a lovely recognition for Chris. We're delighted his support and expertise left such a great impression 💙
Three Social Media Team
Really helpful and friendly staff
Really helpful and friendly staff. Chris served us. Would definitely recommend
12 September 2026
Unprompted review
Reply from Three UK - 3Store Grantham
Hey Rebecca, thank you for the amazing 5⭐ review! We're delighted to hear that Chris provided such outstanding assistance and created such a welcoming experience. Your feedback and recommendation are truly appreciated and mean a lot to the team. 😊🌟
Three Grantham
Went to Three Grantham this morning for assistance re upgrading my mobile data allowance.An exceptionally helpful member of staff named Chris discussed all the options and best value for my needs and being 82 years of age I greatly appreciated his kind and helpful support.Chis deserves a 5 star rating.
7 September 2026
Unprompted review
Reply from Three UK - 3Store Grantham
Hi Linden, thank you for taking the time to share your experience. It's wonderful to hear Chris at our Grantham store took the time to guide you through the available options and helped you find a solution that suited your needs. We truly appreciate your kind feedback. 💜
- Samad
My contract was due for renewal,popped…
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.
Following day called back into shop as was having trouble transferring things over to my new phone. Chris again did the job for me. My new hero..
4 September 2026
Unprompted review
Reply from Three UK - 3Store Grantham
Hi Tim, Thanks for taking the time to share this! Chris is a star, and we love hearing that he became your hero. We're so glad he could help sort out the transfer for you. Enjoy your new phone and that brilliant deal! — Three Social Media Team
Jack was wonderful helping us with our…
Jack was wonderful helping us with our deal today and we feel really appreciated and we are at rest with the new deal.
5 September 2026
Unprompted review
Reply from Three UK - 3Store Grantham
That's brilliant, Oscar! We're super happy to hear that Jack gave you all the support you needed. Thank you so much for the 5⭐ review! - Three Social Media Team
Chris was very helpful and got me a…
Chris was very helpful and got me a great deal on my contract
4 September 2026
Unprompted review
Reply from Three UK - 3Store Grantham
Hey there! Thank you so much for ⭐⭐⭐⭐⭐ review about Chris! Hope you have a wonderful day 🙂 — Three Social Media Team
Chris did a great job renewing my…
Chris did a great job renewing my contract and saving me money
Thank you
28 August 2026
Unprompted review
Reply from Three UK - 3Store Grantham
That's wonderful to hear, Tim 😊 We're delighted that Chris could help with your renewal and make a real difference. Thank you for sharing your kind words 💙
Three Social Media Team
Chris was very helpful and very…
Chris was very helpful and very professional
28 August 2026
Unprompted review
Reply from Three UK - 3Store Grantham
That’s brilliant, David! We’re super happy to hear that Chris gave you all the support you needed. We truly appreciate your feedback! 😊 - Three Social Media Team
Reply from Three UK - 3Store Grantham
Hi Christopher, we’re pleased to hear Chris made your experience feel welcoming and helped everything get arranged with ease. — Three Social Media Team
Excellent service buying a phone
Excellent service buying a phone, contract and accessories. Jack and Ryan were very helpful, knowledgeable and efficient. Very impressive.
20 August 2026
Unprompted review
Reply from Three UK - 3Store Grantham
Hi Lynn, thank you for sharing your fantastic feedback. We’re thrilled to hear that Jack and Ryan provided brilliant assistance and guided you through your new device, plan, and accessories with real care and efficiency.
— Three Social Media Team
Reply from Three UK - 3Store Grantham
Hi Ewa, thank you for the wonderful 5⭐ feedback. We’re delighted to hear Chris provided excellent support. – Three Social Media Team
Patient and extremely helpful
Ryan was extremely helpful and extremely patient whilst helping my elderly mother and her partner.
Sorted mum out with exactly what she needed and gave us the best deal for her.
10 August 2026
Unprompted review
Reply from Three UK - 3Store Grantham
Your shout-out is WOW 🎯 Latkea. We're delighted Ryan took the time to find exactly the right fit for your mum and helped secure the right offer too. Wishing you lovely moments ahead 🌟
- Three Social Media Team
I dealt with Chris Very friendly and…
I dealt with Chris Very friendly and very helpful and a brilliant advisor!
6 August 2026
Unprompted review
Reply from Three UK - 3Store Grantham
Jed, that’s great to hear! We’re delighted Chris made everything straightforward and gave you a smooth, positive experience. Thanks for taking the time to let us know.
— Three Social Media Team
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