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Unlimited data, unbelievable price

Get the UK's best value Unlimited multi-SIM deal. Or choose our Value SIM for just £12 a month.

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Our SIM only deal options

The UK’s best Unlimited multi-SIM deal

With your first Unlimited SIM at just £20 a month and up to three more at just £13 a month each, you’re getting the best deal on the market.

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A network you can rely on

We’re powered by the UK’s best network, with the highest coverage available in the UK at 99%. Use our mobile coverage checker to see what coverage you get in your area.

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See how we compare

UK's best value Unlimited multi-SIM deal: When you take 3 or more SIMs. Based on price, speed and reliability. Price: UK's cheapest unlimited 3 or more SIM package in the UK on a 30 day rolling contract (excluding introductory & promo offers). Prices correct as of 20.10.2023. Speed & reliability: We use the EE network. EE was the winner in the overall (best) network performance category for both RootMetrics’ H2 2022 testing and for the past nine and a half years in a row.

Experiences & coverage may vary. Rootmetrics award is not an endorsement of EE or UW. Visit RootMetrics or ask us for more details

Comparison table: Compared against the closest equivalent unlimited data tariffs by our main competitors as of 20.10.2023 . By ‘main competitors' we mean the largest suppliers by market share who sell a comparable product.

Unlimited SIM: Unlimited data, calls and texts every month when you use your SIM in a personal mobile device. First Unlimited SIM for just £20 per month, then get up to three additional Unlimited SIMs for £13 each. Rolling 30 day contract - subject to the Residential Fair Usage Policy. Terms & conditions apply.

Switching to UW is simple

Order your SIM

Sign up here (or here if you’re already a UW customer), or call us on 0333 777 0777. You can keep your old number or get a new one.

Activate your SIM

Once it arrives in about 3–5 working days, it’s quick and easy to activate it with your online account or UW app. Find out more here.

You're all set

Just pop your new SIM card into your phone and you’re ready to go.

You’re better off when you bundle

£400 towards any early termination fees with existing suppliers

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30 days to change your mind and switch away without penalty

Award-winning customer service

*up to £400 to help you switch

When you switch at least three of your services (one must be energy): energy, broadband, mobile and insurance (excluding Home Insurance), and you are a new customer, we’ll give you credit up to £400 towards any termination fees you have to pay your current providers. You’ll need to return any equipment and pay for services you used before you cancel. Additional requirements apply to customers who are tenants.

*30 days to switch - Available when a new customer switches at least two of their services on the same date: energy, broadband, mobile and insurance (insurance means Boiler & Home Cover or Income Protector only). Any equipment must be returned and services used must be paid for before cancelling. Terms apply.

Take two for total peace of mind

Take mobile and energy with UW to fix your energy rate, giving you price certainty until December 2024.

And when you take three services, you’ll unlock the UK’s cheapest fixed rate tariff.

Plus, save even more with guaranteed low prices on your broadband, mobile and insurance.

Get a quote

Fixed tariff only available to eligible customers who take two or more bundle services (bundle services are energy, broadband, mobile, insurance - excluding Bill Protector). Smart meter required. Full details, eligibility and terms available at UW terms and conditions.

Cheapest fixed energy: UW Fixed tariff vs competitor fixed tariffs which are for sale nationally and excludes existing customer-only tariffs. Payment by Direct Debit. Based on Ofgem’s typical domestic usage. Correct at 23/11/23. Contact us to verify.


Does unlimited data really mean unlimited?

Yep, it really does. Unlimited data means no data caps when you use your SIM in a mobile phone in the UK. Just keep in mind that our fair use policy does apply – and when roaming in Europe, your data is capped at 14GB each month.

How does a SIM only deal work?

A SIM only deal gives you data, minutes and texts for a monthly cost. The difference, however, is that you don't get a new phone – you get the SIM, and just the SIM.

Can I use my own phone when I join UW?

Of course. You can use our SIMs with any unlocked handset or, as we work with EE, any phone on the EE network too.

Find out how to insert our SIM in any handset.

Can I get a new phone when I join UW?

Yes, we’ve got a great selection of phones as well. See our latest phones here. To get a new phone with your SIM, you’ll need to give us a call on 0333 777 0777.

Can I keep my phone number when I join UW?

Yep, simply contact your previous network provider or text 'PAC' to 65075 to get a code which will allow you to bring your current number over to your new SIM. This won’t disrupt your service either.

Find out more about how to keep you current mobile number.

How do I add more Unlimited SIMs?

You can take up to three additional SIMs when you have an existing Unlimited plan. Log into your online account or the mobile app to add more SIMs yourself, or give us a call on 0333 777 0777 and we’ll help out.

What network does UW use?

We work with the EE Network to ensure broad coverage and signal strength across the country. You can check your network coverage here.

Do UW support eSIMs?

We don't currently offer eSIMs, but are always looking for different ways we can support our customers so it is something we may look to offer in the future.

Who are Utility Warehouse Partners?

UW Partners work as licensed distributors of UW’s services. They're formally registered with the company, and introduce new people to Utility Warehouse, explain their services, and help them sign up.

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