Best Coop Mobile SIM offers: 3GB for £11, 30GB for £17
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Find out which choices on Coop's SIM only came top of our comparisons against every other UK network this month. Last updated: 2nd March 2026.
Co-op's best SIM only deals
The best overall Coop Mobile SIM only deal this month
just
£23
a month
✔ Unlimited mins and 100GB data See full deal
at yourcoop.coop
(opens in new window)
We think Coop Mobile's best value option on SIM only this March is their discounted £23 a month plan below, which comes with 100GB data, plus unlimited minutes and texts on a 1‑month deal:
If you're open to joining other networks than Coop, you can actually get a similar deal for less, even with providers whose SIMs also use the EE network. See the networks that beat it here:
We also like their £17 for 30GB plan
just
£17
a month
✔ Unlimited mins and 30GB data See full deal
at yourcoop.coop
(opens in new window)
For people who don't need that much data, you might like the discounted £17 SIM only deal running on Coop Mobile at the moment. It's a 1‑month plan, which comes with 30GB data, unlimited minutes and texts too:
While it's good enough to be in our pick of Coop's best SIM only deals, other providers do still have similar plans for less, even ones that also use the EE network. Here are the networks where it'd cost less:
Their 3GB for £11 SIM is another good option
just
£11
a month
✔ Unlimited mins and 3GB data See full deal
at yourcoop.coop
(opens in new window)
If that'd be too much data for you, we'd say this is one of Coop's best deals on SIM only this month too. It's a discounted 1‑month plan, comes with 3GB data, unlimited minutes and texts for £11 a month:
It's definitely one of Coop's best. But it's not market-leading. You can get a similar plan on other providers for less, even if you need your SIM to use the EE network. See which networks that are cheaper here:
£20 Clubcard voucher (automatic, no need to claim)Coop's 10GB for £13 plan is a good option too
just
£13
a month
✔ Unlimited mins and 10GB data See full deal
at yourcoop.coop
(opens in new window)
If you're more data-hungry, have a look at Coop Mobile's discounted 10GB SIM below at £13 a month, as it's another good deal. It's on a 1‑month plan and comes with 10GB data, unlimited minutes and texts:
Even though it's in our pick of Coop's best SIM only deals, you can actually beat it on price with other providers, including ones that also use the EE network. Here's where else you can get a lower price:
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Here’s how Co-op Mobile’s SIM only deals compare
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How Co-op Mobile compare for SIM only prices and benefits
Co-op Mobile are a smaller provider that use EE’s network for call (3G/2G) and data (4G/5G) signal. That’s great considering EE have the best 4G and 5G coverage of all networks.
All their SIM only plans are sold as 1-month contracts that let you switch plans each month as you need. Their plans tend to be fairly expensive, but it’s worth comparing deals to find the best one for you.
They still tend to offer better value deals than joining EE directly, but there are some cheaper providers that also use EE networks (see them all here).
You can use your UK plan in these EU destinations at no added cost. And there are no limits to your data usage while roaming in the EU. Otherwise, Co-op are largely a low-frills provider.
Useful link: Read more at Co-op Mobile’s website
Other things to know about Co-op’s SIM only prices
Your Co-op Mobile SIM only package will be delivered within 2-3 days of ordering. It will contain every size of SIM to pop into any phone. But Co-op don’t offer eSIMs (see the networks that do here).
If you’re unhappy with your SIM you can return it within 14 days to get a full refund (read the full terms and conditions here).
Since you’re signing up to a contract you will have to pass a credit check to join on any Co-op SIM only plan. If you fail this check there are other networks on EE that don’t make you pass a credit check to join.
To keep your number when switching from your current provider to Co-op you’ll have to request a PAC from your old network and give it to Co-op at any point (here’s their guide to how it works).
Useful link: Compare Co-op Mobile SIM only plans