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O2 Business SIM only

Discover the freedom and incredible value of Business SIM only deals with O2 Business today.

Cut costs without cutting corners – keep your existing phones and enjoy reliable O2 coverage, simple pricing, and friendly UK support. With flexible plans and spend caps, you’re always in control.

Take your business unlimited


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Configure your SIM

You'll pay £12.00 p/m (ex. VAT) for your SIM plan.

All SIM plans include Unlimited Calls and Texts
See full plan details
Choose your SIM tariff
SIM plan bolt-ons
O2 Satellite Info
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O2 Satellite
£2.50

You'll pay £2.50 p/m (ex. VAT) for your SIM plan bolt-ons.

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Monthly cost £0.00(ex VAT)
Upfront cost £0.00(ex VAT)
Full terms and Fair Usage Policy apply. Delivery times may vary and stock is subject to availability. All orders are subject to status, credit and affordability assessments. Business customer terms and conditions apply. For full details, visit Terms & Conditions.
Monthly Cost: £0.00 (ex. VAT)
Upfront Cost: £0.00 (ex. VAT)

What’s Included

Plan comparison:

Benefits:

  • O2 Priority – You and your team can access a range of exclusive discounts, freebies and experiences. Get tickets to thousands of gigs and events 48 hours before general sale and much more. Find out more.
  • O2 WiFi – You can use O2 Wifi hotspots around the UK to browse the web, make phone and video calls over the internet and watch online videos. All of these services work better over wifi than a standard 3G or 4G network or web dongle. Find out more.

Click here to see Out of Bundle charges

SIM Only FAQs

What is a Pay Monthly SIM?

A Pay Monthly SIM Only deal gives you a SIM card with a fixed monthly allowance of minutes, texts, and data – without a new phone. It’s perfect if you already have a device and just need a SIM plan to stay connected.

What are the benefits of a Pay Monthly SIM deal?

With an O2 Business SIM Only deal, you get a flexible plan with generous data, texts and minutes, predictable billing and access to our reliable 4G and 5G networks.

And get exclusive perks with O2 Priority and earn extras with O2 Rewards.

Can I keep my number when switching to an O2 Business SIM Only plan?

Yes, keeping your current phone number is easy. Just request a PAC code from your existing provider, give it to us and we’ll transfer your number to your new O2 Business SIM Only contract.

What types of SIM Only deals are available?[

We have a range of SIM Only plans to suit every need. You can even adjust your contract length and tailor your airtime to suit you.

Want more airtime? We’ve got you covered. Our Plus Business Plan and Ultimate Business Plan allow you to level up your Airtime Plan with a heap of extras.

How much data do I need?

We understand every business has different data needs. That’s why our plans are customisable.

The amount of data you need is entirely up to your usage habits. If you regularly connect to WiFi or hotspots, you might not need as much data. But on the flip side, if you work somewhere with a poor WiFi connection or regularly do business on the go, opting for more data might be the best decision.

Can I get an unlimited data SIM?

Yes you can. Stream, download and scroll without restrictions with one of our unlimited data SIMs.

Do O2 Business Pay Monthly SIMs including EU roaming?

Yes they do. You can roam freely in the EU, up to 25GB.

With a Plus Business Plan or Ultimate Business Plan, you can use your airtime across even more destinations including the USA, Mexico, Canada, New Zealand, Argentina and Australia.

Learn more about Business Roaming

Can I get a 5G Pay Monthly SIM?

Yes you can. As long as your phone is 5G-compatible, you can enjoy super-fast 5G speeds with a Pay Monthly SIM from O2 Business.

Is there a minimum contract length for Pay Monthly SIM plans?

The minimum contract length is 30 days. You can also choose a 12-month or 24-month contract – whatever works for you.

What SIM type do I need?

There are four types of SIMs available: standard, micro, nano and eSIM. An eSIM lets you manage your Airtime Plan without the use of a physical SIM.

If you’re unsure what size you need, it’s best to check the instructions that came with your device.

What's the Fair Usage Policy?

This policy asks that you only use our services or SIM cards for private, personal and legitimate consumer purposes, and not for business purposes. See more at fair usage policy.