10 Best Prepaid Data Sim in The UK

Last updated on 02/07/2025

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EE Unlimited Data SIM – Uncapped 5G Speeds – Preloaded EVERY MONTH Until 8th NOVEMBER 2026 – No Contract – Plug & Play for Business Broadband, Routers & Phones

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Why We Love It

Unlimited data until 2026.
Effortless plug and play setup.
Reliable connectivity with EE network.

Main Highlights

PRELOADED DATA - Unlimited Data until 8th NOVEMBER 2026 for a one-off payment.
EFFORTLESS PLUG & PLAY - Experience seamless 4G & 5G connectivity, no initial setup is required.
UNMATCHED EE NETWORK RELIABILITY - Depend on the UK's leading network for consistent business connectivity.
UNIVERSAL DEVICE COMPATIBILITY - Optimised for Smartphones, Tablets, Laptops, Mobile Wi-Fi Dongles, Routers, IoT Devices, Smart Meters, Vehicles, GPS Trackers, Smart Home Devices & Security Cameras.
DEDICATED SUPPORT - Gain peace of mind with our dedicated business customer support, ready to assist you whenever needed. Please reach us at support@scancom.co.uk with the sim number and order reference.
NO CONTRACTS - Benefit from our data services without the burden of contracts or recurring fees.
VERSATILE TRIPLE CUT SIM - Our all-in-one sim card fits any Standard, Micro, and Nano size device.
EXCLUSIVE UK DATA-ONLY - Tailored for data usage with a 600GB/month fair use UK-only data allowance; EE reserve the right to suspend the sim if the allowance is exceeded. This Sim card does not support calls, texts, or roaming.
This item is tailored for business customers. If your order is not in the name of company / non profit registered at companies house or an Amazon business customer , by purchasing, you affirm your status as a self-employed individual and consent to being listed as a business customer with Scancom Distribution Ltd, a necessary step to complete your purchase.
Sims cannot be ported/transferred, promotions are non-renewable, and support for pre-registered sims is available exclusively via email. Please reach us at support@scancom.co.uk with the sim number and Amazon order reference.

Three 80GB Data SIM – Uncapped 5G Speeds – Preloaded EVERY MONTH Until 8th JANUARY 2027 – No Contract – Plug & Play for Business Broadband, Routers & Phones

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Why We Love It

Generous 80GB data monthly.
Instant connectivity, no setup.
Portable Wi-Fi hub feature.

Main Highlights

PRELOADED DATA - 80GB Data renewed monthly until 8th January 2027 for a one-off payment.
EFFORTLESS PLUG & PLAY – Enjoy seamless 4G and 5G connectivity with no initial setup required.
THE UK’S FASTEST 5G NETWORK – Stream, play, watch, work & explore with the power of 5G.
UNIVERSAL DEVICE COMPATIBILITY - Optimised for Smartphones, Tablets, Laptops, Mobile Wi-Fi Dongles, Routers, IoT Devices, Smart Meters, Vehicles, Drones, GPS Trackers, Smart Home Devices & Security Cameras.
DEDICATED SUPPORT - Gain peace of mind with our dedicated business customer support, ready to assist you whenever needed. Please reach us at support@scancom.co.uk with the sim number and order reference.
ZERO CONTRACTS - Benefit from our data services without the burden of contracts or recurring fees.
VERSATILE TRIPLE CUT SIM - Our all-in-one sim card fits any Standard, Micro, and Nano size device.
EXCLUSIVE UK DATA-ONLY - This Sim card does not support calls, texts, or roaming.
Sims cannot be ported/transferred, promotions are non-renewable, and support for pre-registered sims is available exclusively via email.
This item is tailored for business customers. If your order is not in the name of company / non profit registered at companies house or an Amazon business customer, by purchasing, you affirm your status as a self-employed individual.

Three Unlimited Data Sim – Uncapped 5G Speeds – Preloaded EVERY MONTH Until 8th JANUARY 2026 – No Contract – Plug & Play for Business Broadband, Routers & Phones

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Why We Love It

Unlimited data until 2026.
Effortless plug and play setup.
Compatible with various devices.

Main Highlights

PRELOADED DATA - Unlimited Data renewed monthly until 8th January 2026 for a one-off payment.
EFFORTLESS PLUG & PLAY – Enjoy seamless 4G and 5G connectivity with no initial setup required.
THE UK’S FASTEST 5G NETWORK – Stream, play, watch, work & explore with the power of 5G.
UNIVERSAL DEVICE COMPATIBILITY - Optimised for Smartphones, Tablets, Laptops, Mobile Wi-Fi Dongles, Routers, IoT Devices, Smart Meters, Vehicles, Drones, GPS Trackers, Smart Home Devices & Security Cameras.
DEDICATED SUPPORT - Gain peace of mind with our dedicated business customer support, ready to assist you whenever needed. Please reach us at support@scancom.co.uk with the sim number and order reference.
VERSATILE TRIPLE CUT SIM - Our all-in-one sim card fits any Standard, Micro, and Nano size device.
EXCLUSIVE UK DATA-ONLY - This Sim card does not support calls, texts, or roaming. There is a fair use policy of 1000GB per month.
Sims cannot be ported/transferred, promotions are non-renewable, and support for pre-registered sims is available exclusively via email.
This item is tailored for business customers. If your order is not in the name of company / non-profit registered at companies house or an Amazon business customer, by purchasing, you affirm your status as a self-employed individual.

Three 500GB Data SIM – Uncapped 5G Speeds – Preloaded EVERY MONTH Until 8th OCTOBER 2025 – No Contract – Plug & Play for Business Broadband, Routers & Phones

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Why We Love It

500GB monthly data renewal.
Effortless plug & play.
Zero contracts or fees.

Main Highlights

PRELOADED DATA - 500GB Data renewed monthly until 8th OCTOBER 2025 for a one-off payment.
EFFORTLESS PLUG & PLAY – Enjoy seamless 4G and 5G connectivity with no initial setup required.
THE UK’S FASTEST 5G NETWORK – Stream, play, watch, work & explore with the power of 5G.
UNIVERSAL DEVICE COMPATIBILITY - Optimised for Smartphones, Tablets, Laptops, Mobile Wi-Fi Dongles, Routers, IoT Devices, Smart Meters, Vehicles, Drones, GPS Trackers, Smart Home Devices & Security Cameras.
DEDICATED SUPPORT - Gain peace of mind with our dedicated business customer support, ready to assist you whenever needed. Please reach us at support@scancom.co.uk with the sim number and order reference.
ZERO CONTRACTS - Benefit from our data services without the burden of contracts or recurring fees.
VERSATILE TRIPLE CUT SIM - Our all-in-one sim card fits any Standard, Micro, and Nano size device.
EXCLUSIVE UK DATA-ONLY - This Sim card does not support calls, texts, or roaming.
Sims cannot be ported/transferred, promotions are non-renewable, and support for pre-registered sims is available exclusively via email.
This item is tailored for business customers. If your order is not in the name of company / non profit registered at companies house or an Amazon business customer, by purchasing, you affirm your status as a self-employed individual.

Three 25GB Data SIM – Uncapped 5G Speeds – Preloaded EVERY MONTH Until 8th FEBRUARY 2027 – No Contract – Plug & Play for Business Broadband, Routers & Phones

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Why We Love It

Instant connectivity with no setup.
Automatically refreshed monthly data.
No contract or monthly fees.

Main Highlights

PRELOADED DATA - 25GB Data renewed monthly until 8th February 2027 for a one-off payment.
EFFORTLESS PLUG & PLAY – Enjoy seamless 4G and 5G connectivity with no initial setup required.
THE UK’S FASTEST 5G NETWORK – Stream, play, watch, work & explore with the power of 5G.
UNIVERSAL DEVICE COMPATIBILITY - Optimised for Smartphones, Tablets, Laptops, Mobile Wi-Fi Dongles, Routers, IoT Devices, Smart Meters, Vehicles, Drones, GPS Trackers, Smart Home Devices & Security Cameras.
DEDICATED SUPPORT - Gain peace of mind with our dedicated business customer support, ready to assist you whenever needed. Please reach us at support@scancom.co.uk with the sim number and order reference.
ZERO CONTRACTS - Benefit from our data services without the burden of contracts or recurring fees.
VERSATILE TRIPLE CUT SIM - Our all-in-one sim card fits any Standard, Micro, and Nano size device.
EXCLUSIVE UK DATA-ONLY - This Sim card does not support calls, texts, or roaming.
Sims cannot be ported/transferred, promotions are non-renewable, and support for pre-registered sims is available exclusively via email.
This item is tailored for business customers. If your order is not in the name of company / non profit registered at companies house or an Amazon business customer, by purchasing, you affirm your status as a self-employed individual.

EE PAYG MBB 120GB 12 Months SIM (EE PAYG MBB 120GB 12 Months SIM)

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Why We Love It

Generous 120GB data upon activation.
Zero contracts attached.
Comes in all SIM sizes.

Main Highlights

120GB of Data Included
Lasts up to 12 months from activation
No contract, no commitment. You can top-up to buy more data
The EE PAYG 120GB data SIM is compatible with the all unlocked devices or those that are locked to the EE network
SIM Card - Standard, Micro, and Nano SIM all-in-one with 120GB of data
Please be advised that the packaging you receive may differ from the packagaing displayed here
To view EE’s pay as you go pre-service information, visit ee.co.uk/paygservice. Please read before placing your order. You can download or save the document from your browser

EE PAYG SIM card preloaded with 120GB of Data

17% OffFree Shipping

Why We Love It

Generous 120GB data included.
Valid for a year from activation.
No contracts, no commitments.

Main Highlights

120GB of Data Included
Lasts up to 12 months from activation
No contract, no commitment. You can top-up to buy more data
The EE PAYG 120GB data SIM is compatible with the all unlocked devices or those that are locked to the EE network
SIM Card - Standard, Micro, and Nano SIM all-in-one with 120GB of data
Brand EE
Roaming is not included
Cellular Technology 4G
Please be advised that the packaging you receive may differ from the packagaing dislayed here
To view EE’s pay as you go pre-service information, visit ee.co.uk/paygservice. Please read before placing your order. You can download or save the document from your browser

UK Multi-Network Quad Band Data Sim Card - One-off Data Allowance for 12 months - Automatically Connects to EE, Three, O2 or Vodafone at the location in use (10GB)

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Why We Love It

Provides best possible signal strength.
Features one-off Data Bucket.
Ideal for UK Data only.

Main Highlights

4 NETWORKS, 1 SIM - The sim is preloaded with O2, Vodafone, EE & Three data, and will select the most reliable network based on the location in use.
2 STEP CONFIGURATION – Step 1: Enable data roaming on your device. Step 2: enter the APN Name: gigsky-02
RENEW UPON EXPIRY – Please top-up your Sim card on our Scancom website after 12 months or when your data runs out.
CUSTOMISED DATA PLAN – Select your one-time data allowance for 12 months, ensuring flexibility without monthly renewal concerns.
B2B PORTAL ACCESS - For 3+ sims, please email support@scancom.co.uk and we’ll set up portal access for monitoring usage, location, and connectivity details.
OPTIMISED CONNECTIVITY - Designed for Smartphones, Tablets, Laptops, Mobile Wi-Fi Dongles, Routers, IoT Devices, Smart Meters, Drones, GPS Trackers, Smart Home Devices & Security Cameras.
DEDICATED CUSTOMER SUPPORT – For all connection and usage concerns, contact our dedicated support team at support@scancom.co.uk
BROAD NETWORK COMPATIBILITY - Our Sim is equipped to support a range of network speeds, including 2G, 4G, and 5G, ensuring a seamless online experience that matches your requirements.
EXCLUSIVE UK DATA – Preloaded with quad-band UK data only without roaming, calls, or texts.

Three Mobile Pay As You Go Mobile Broadband 24 GB data SIM

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Why We Love It

24GB data lasting 24 months.
5G access at no cost.
Compatible with any unlocked device.

Main Highlights

Pre-loaded with 24GB of data that lasts up to 24 months.
Access to our 5G network – at no extra cost.
Use data in 71 destinations – up to 12GB
SIM fits any unlocked 3G, 4G and 5G device.

EE 150GB Data Sim includes £20 pre-paid credit, 150GB Data, Unlimited Minutes & Unlimited Texts

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Why We Love It

Generous 50GB data allotment.
500MB free on extra packs.
Unlimited calls and texts.

Main Highlights

150GB Data Included, lasts up to 30 days
The sim you receive may be in old style packaging but will include the data allowances as per the description
Roaming is not included
Free Boost - Buy 2 packs and get 2GB free
Unlimited calls and texts
Allowances last up to 30 days from activation
If the purchased pre-paid credit is not immediately available when the sim is put into the device, please message us and include the mobile number as detailed on the back of the packaging.
To view EE’s pay as you go pre-service information, visit ee.co.uk/paygservice. Please read before placing your order. You can download or save the document from your browser.

9.0

Superb

We scanned 481 products

We reviewed these offers relevant to the Prepaid Data Sim within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Scancom, EE, 3, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Prepaid Data Sim in the market, we considered we took a deep dive into 2406 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is EE Unlimited Data SIM – Uncapped 5G Speeds – Preloaded EVERY MONTH Until 8th NOVEMBER 2026 – No Contract – Plug & Play for Business Broadband, Routers & Phones. We love many things about this product by Scancom. What sets it apart from the competition is Unlimited data until 2026. , Effortless plug and play setup. , Reliable connectivity with EE network. .
The best value product for most shoppers and where user satisfaction is continuously the highest is Three 80GB Data SIM – Uncapped 5G Speeds – Preloaded EVERY MONTH Until 8th JANUARY 2027 – No Contract – Plug & Play for Business Broadband, Routers & Phones by Scancom based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Prepaid Data Sim and the best cost-to-value ratio is EE PAYG SIM card preloaded with 120GB of Dataat EE with a 17% discount.
Our list of the best Prepaid Data Sim is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Prepaid Data Sim in The UK

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We scanned 481 products

We concluded that: