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Go Roam Around the World
24-month Boundless plans with Go Roam Around the World include all 49 Go Roam in Europe destinations, plus the additional 22 destinations below. In Go Roam in Europe destinations, the £2 daily roaming fees is removed. In the 22 Go Roam Around the World destinations below the £5 daily roaming fee is removed.
Fair Use Policies apply.
Go Roam in Europe - up to 12GB data, and use your UK monthly plan allowance for calls and texts back to the UK, or within Go Roam in Europe destinations.
Go Roam Around the World - up to 12GB data, 3,000 minutes, and 5,000 texts per billing month.
If customers exceed these allowances, surcharges may be applied.
Australia
Brazil
Chile
Colombia
Costa Rica
El Salvador
Guatemala
Hong Kong
Indonesia
Israel
Macau
New Zealand
Nicaragua
Panama
Peru
Puerto Rico
Singapore
Sri Lanka
United States of America (USA)
Uruguay
US Virgin Islands
Vietnam
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Go Roam in Europe
These 49 destinations are included with all 24 month Boundless plans with Go Roam in Europe or Go Roam Around the World, and removes the £2 daily roaming charge in the EU.
Fair Use Policies apply.
Go Roam in Europe - up to 12GB data, and use your UK monthly plan allowance for calls and texts back to the UK, or within Go Roam in Europe destinations.
If customers exceed these allowances, surcharges may be applied.
Aland Islands (Finland)
Austria
Azores (Portugal)
Balearic Islands (Spain)
Belgium
Bulgaria
Canary Islands (Spain)
Croatia
Cyprus
Czech Republic
Denmark
Estonia
Finland
France
French Guiana
Germany
Gibraltar*
Greece
Guadeloupe
Guernsey*
Hungary
Iceland*
Ireland
Isle of Man*
Italy
Jersey*
Latvia
Liechtenstein*
Lithuania
Luxembourg
Madeira
Malta
Martinique
Mayotte
Netherlands
Norway*
Poland
Portugal
Reunion
Romania
Saint Barthelemy
Saint Martin
San Marino (Italy)
Slovakia
Slovenia
Spain
Sweden
Switzerland*
Vatican City*
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Plan Details for Business Broadband
Plan Details
What's not included
Important terms
Business Broadband plan details
Here we’ll cover the advantages of this plan, what's included and excluded, and any additional charges. Pay close attention to "What you need to be aware of” for information on potential price increases.
Key benefits
- Unlimited UK data
Things to be aware of
Charges exclude VAT.
From your bill date each April, your Monthly Charge will increase by a fixed amount depending on the plan’s original Monthly Charge. Plans with an original Monthly Charge of £9.99 or less will increase by £0.50 per month. Plans from £10 to £20 will increase by £0.75 per month. Plans from £20.01 will increase by £1.50 per month. All increases exclude VAT.
The monthly plan charge includes £5 discount for paying by a recurring method, e.g. direct debit.
Additional charges if you spend outside of your allowance.
More about what's included
Unlimited data Your plan includes unlimited UK data. You can use as much data as you'll ever need in the UK. Download, email, share, and stream, without the worry of going over your allowance.
Roaming Three Business Broadband is a UK service designed for use in your business premises and not intended for roaming. If you roam within Go Roam destination(s) you will be subject to a daily charge to access your data allowance, and our fair use policies will apply. For roaming elsewhere, international rates will apply. For full details on all roaming charges, please see our current Business price guide or Roaming price guide at https://www.three.co.uk/terms-conditions/business/business-price-guides.
What’s not included with your Business Broadband contract
If you put the SIM from your Broadband Hub in a device that can also make and receive calls and texts these will be charged at “Outside of Allowances” rates. These charges can be found in the current Business price guide at https://www.three.co.uk/terms-conditions/business/business-price-guides .
Important terms you should be aware of
Price exclusive of VAT at 20%. Price includes a £5 monthly discount for paying by a recurring method, such as Direct Debit. From your bill date each April, your Monthly Charge will increase by a fixed amount depending on the plan’s original Monthly Charge. Plans with an original Monthly Charge of £9.99 or less will increase by £0.50 per month. Plans from £10 to £20 will increase by £0.75 per month. Plans from £20.01 will increase by £1.50 per month. All increases exclude VAT. The £5 monthly recurring payment discount and the annual price increase do not apply to Add-ons or Outside-of-Allowance Services.
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Plan Details for Voice & Data SIMs
(including those as part of a mobile phone plan)
Plan Details
What's not included
Important terms
Business plan details
Here we’ll cover the advantages of this plan, what's included and excluded, and any additional charges. Pay close attention to "What you need to be aware of” for information on potential price increases.
Key benefits
- Personal Hotspot in the UK
- Roaming
- Three+ Rewards app
Things to be aware of
Charges exclude VAT.
Excluding Three Business Adapt and Dynamic, from your bill date each April, your Monthly Charge will increase by a fixed amount depending on the plan’s original Monthly Charge. Plans with an original Monthly Charge of £9.99 or less will increase by £0.50 per month. Plans from £10 to £20 will increase by £0.75 per month. Plans from £20.01 will increase by £1.50 per month. All increases exclude VAT. Three Business Adapt and Dynamic Monthly Charge will increase by 4.5% each April.
The monthly plan charge includes £5 discount for paying by a recurring method, e.g. direct debit.
Additional charges if you spend outside of your allowance.
More about what's included
Personal Hotspot in the UK With Personal Hotspot, you can use existing data allowance to connect other devices to your phone and get online. Pretty handy when there's no Wi-Fi.
Unlimited data Where your plan includes unlimited data, you can work on the go with as much data as you'll ever need in the UK. Download, email, share, and stream, without the worry of going over your allowance.
Roaming When you're working abroad, use your allowances to call, text, and use data in over 160 Go Roam destinations worldwide.
Unless expressly stated otherwise in your plan description, unlocking your UK allowance for Go Roam in Europe destinations will cost you £2 per 24-hour period. For Go Roam Around the World destinations, the cost is £5 per 24-hour period. For Go Roam Around the World Extra destinations, the cost is £7 per 24-hour period
These costs include VAT where applicable and are per SIM. Roaming in the Republic of Ireland and the Isle of Man is excluded from the daily charge. Unlimited data, minutes and texts are UK only, our fair use policies apply in Go Roam destinations. See our current price guide for full details at https://www.three.co.uk/terms-conditions/business/business-price-guides .
Three+ rewards app Download the Three+ rewards app to claim tastier team lunches, after-work cinema trips for less, and exclusive offers on favourite brands. There’s more to life with Three+.
What’s not included with your business phone contract
When your allowances run out If you’ve used your monthly UK inclusive allowance of data, you’ll be charged 1p per MB (ex VAT) unless you opt to purchase an Add-on.
Additional and extra charges
Inclusive minutes and texts (if any) are for UK mobiles or landlines starting 01, 02 or 03. Calls to non-standard 07 numbers and numbers starting 070, 084, 087, 09, and 118 are not included in your monthly inclusive allowance
Calls to non-geographic service numbers starting 084, 087, 09, and 118 are split into an access charge set by us at 65p per minute, plus a service charge set by the company you’re calling – they'll tell you this. There may also be a charge to connect for 118 calls
UK picture messages - 65p each
UK to International calls – up to £3.00 per minute
Plan charges are exclusive of VAT at 20%. Price includes a £5 monthly discount for paying by a recurring method, such as Direct Debit. Excluding Three Business Adapt and Dynamic, from your bill date each April, your Monthly Charge will increase by a fixed amount depending on the plan’s original Monthly Charge. Plans with an original Monthly Charge of £9.99 or less will increase by £0.50 per month. Plans from £10 to £20 will increase by £0.75 per month. Plans from £20.01 will increase by £1.50 per month. All increases exclude VAT.
The £5 monthly recurring payment discount and the annual price increase do not apply to Add-ons or Outside-of-Allowance Services. Three Business Adapt and Dynamic Monthly Charge will increase by 4.5% each April.
Empower your growing business with cost-saving SIM plans designed for flexibility and scalability
Connect abroad for less
Choose SIMs with inclusive business class roaming, and roam in the EU or around the world for less. [2]
5G SIMs
Choose physical SIMs or eSIMs, depending on your devices.
Big value for your business
The more you need, the less you pay per SIM, even when you buy over time. Choose SIMs with or without roaming.
Unlimited UK data, calls, texts
So your whole team can stay online and in touch, wherever they're working from.
Hassle-free switching
Enjoy a seamless transition to Three Business, without disruption to your team.
Dedicated business support
Our expert team are here to support you at every step, whatever you need.
Do business abroad for less
With a 24 month Boundless plan, you can unlock exclusive roaming discounts. Choose SIMs with inclusive roaming - only the SIMs that need it - and pay less when you work in the EU or around the world. [2]
With a 24 month Boundless plan, you can unlock exclusive roaming discounts. Choose SIMs with inclusive roaming - only the SIMs that need it - and pay less when you work in the EU or around the world. [2]
New to Three Business? Use our coverage checker below to see if you can access The UK's Fastest 5G Network [3].
Check coverage in your area
Results for
Click 3G, 4G, or 5G below to see your coverage
3G Coverage
Unavailable
Unfortunately, our 3G network isn't currently available in this area.
Yes – You currently have service
We're phasing out our 3G network and will switch it off completely by the end of 2024. So, while you can use 3G for calls, texts, and mobile internet at the moment, in the future, there will be no 3G coverage available. This will affect your service if 4G and 5G aren’t available in your area.
Yes – You currently have service We're phasing out our 3G network and will switch it off completely by the end of 2024. So, while you can use 3G for calls, texts, and mobile internet at the moment, in the future, there will be no 3G coverage available. This will affect your service if 4G and 5G aren’t available in your area.
Yes – You currently have service We're phasing out our 3G network and will switch it off completely by the end of 2024. So, while you can use 3G for calls, texts, and mobile internet at the moment, in the future, there will be no 3G coverage available. This will affect your service if 4G and 5G aren’t available in your area.
4G Coverage
Unavailable
Unfortunately, our 4G network isn't currently available in this area.
Yes - Good service
Good news – 4G is in your area. If your device is 4G calling compatible, you’ll have good 4G coverage for calls, texts, and mobile internet.
Yes - Very good service
Great news – 4G is in your area. If your device is 4G calling compatible, you’ll have very good 4G coverage for calls, texts, and mobile internet.
Yes – Excellent service
Great news - 4G is in your area. If your device is 4G calling compatible, you'll have excellent 4G coverage for calls, texts, and mobile internet.
5G Coverage
Unavailable
Unfortunately, our 5G network isn't currently available in this area.
Yes – 5G is available Good news. In most cases, you can use our 5G network for mobile internet, calls, and texts.
Yes – 5G is available Good news. In most cases, you can use our 5G network for mobile internet, calls, and texts.
Yes – 5G is live
Great news. You can use our super-fast 5G network for mobile internet, calls, and texts.
Business Broadband
See if we can offer you our superfast, quick to install Business Broadband.
We estimate that we’ll be switching off a 3G mast here on [dateplaceholder]. So, there may be reduced or no 3G coverage in this area from then onwards. Please check back regularly. Find out more about our 3G switch off.
Please note: The coverage checker map may not accurately reflect switch off in real time. There may be a delay of up to 30 days.
Outdoor and Indoor
Outdoor
Our 5G coverage map meets Ofcom High Confidence standard. However, although these coverage results are accurate, the information is only a guide and doesn't guarantee service availability in a particular location. Coverage may vary depending on your device and whether you're indoors. We are continuously improving our network to ensure our 5G service reaches even more customers.
Here's what our customers say
3RiO
Malachy Lynn, Managing Director of 3RiO, tells The Telegraph how upgrading to fast 5G-powered technology has radically changed the way the company works, saving months of time spent on the road and processing video.
“It's essential that we have coverage everywhere we go. We often had to deal with companies delivering information on paper in airports we didn't know. Now we can just get that information ourselves, wherever we are in the world, thanks to Three Business.”
Matthew Moran, Senior First Officer on a Boeing 737
Every 19 seconds a small business in the UK is successfully hacked.[4]
45% of medium-sized businesses in the UK have experienced cyber crime in the last 12 months. [5]
Only 23% of businesses believe they are adequately protected. [6]
Don’t fall victim to cybercrime
Here's how Three Mobile Protect can keep your business safe, secure, and compliant. Get robust on-device protection, without compromising employee privacy.
Get the Three+ app for exclusive offers from brands like Uber Eats and Cineworld. Take out or eat in for less at local takeaways and restaurants, and access presale tickets to top UK festivals and gigs.
Anyone with their own business age 18 and over (including sole traders) is eligible for a Boundless plan, and can get up to 50 unlimited business SIMs.
Boundless SIMs come with unlimited UK data, calls, and texts, and offer you the benefit of multi-line discounts. So the more you need, the less you pay per SIM, up to 50 SIMs. Choose SIMs with inclusive roaming in Europe and around the world (fair use policies apply [2]), or a combination of SIMs with and without roaming – you’ll still get the Boundless discount.
Yes, you can bring your number or numbers to Three Business via a hassle-free switching process. See our Bring your number to Three Business page for all the details.
The easiest way to pay your bill is by Direct Debit, which also saves you £5 a month. There are also other ways to pay, including via credit card, debit card or bank transfer. See our Ways to pay your bill page for all the information you need.
Yes, you get the benefit of the multi-line discount even when you buy SIMs over time, as well as when you combine SIMs with and without roaming. You can find all the details on our Boundless terms page.
Why choose Three Business?
Voted the UK’s Best Network for Business by the Mobile Industry Awards 2024
Boundless Business Offer is available to business customers who are purchasing or upgrading to Three Business 12 and 24 month Unlimited SIM-only plans. Participants who purchase Unlimited SIMs on a 12 or 24 month plan from Three (whether purchase is made in-store, online, or by telephone via our contact centre) on or after 1 May 2021 are eligible to unlock a discounted price based on the number of 12 or 24 month Unlimited SIMS (as applicable) already in existence at the time of purchase and the number of additional 12 or 24 month Unlimited SIMs (as applicable) the customer wishes to purchase.
Prices vary between 12 and 24 month plans. Boundless Business Offer not available in conjunction with any other offer. See full terms for details: Terms & Conditions | Three.
1.
Annual Price Increase
All Charges exclude VAT. From Customer’s bill date each April, the Monthly Charge will increase by a fixed amount depending on the plan’s original Monthly Charge. Plans with an original Monthly Charge of £9.99 or less will increase by £0.50 per month. Plans from £10 to £20 will increase by £0.75 per month. Plans from £20.01 will increase by £1.50 per month. All increases exclude VAT. Excludes Three Business Adapt. See Adapt Plan information for annual price increases. Visit the price increase page for full details.
The Plan’s Monthly Charge includes a £5 discount for paying by a recurring method, such as Direct Debit. The £5 monthly recurring payment discount and the annual price increase do not apply to Add-ons or Outside-of-Allowance Services. See Terms & Conditions | Three.
Go Roam on Boundless plans: £2 daily roaming charge waived for Go Roam in Europe destinations and £5 daily roaming charge waived in Go Roam Around the World destinations. This includes VAT where applicable and is per SIM. Republic of Ireland and Isle of Man are excluded from the daily charge. Fair use policies apply.
Fair Use Policies apply.
Go Roam in Europe - up to 12GB data, and use your UK monthly plan allowance for calls and texts back to the UK, or within Go Roam in Europe destinations.
Go Roam Around the World - up to 12GB data, 3,000 minutes, and 5,000 texts per billing month.
If customers exceed these allowances, surcharges may be applied.
If during any 4-month period, Customers roam in Go Roam destinations for 60 days or more, additional roaming charges may apply. Customers shall be notified before charges are applied.
