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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.
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.
Overall saving of £432 (excl. VAT) over 24 months when you buy 3 SIMs on a Boundless 24 month plan compared to the cost of a single Unlimited SIM over 24 months. £11 a month for each SIM when you buy 3 Unlimited SIMs on a Boundless 24 month plan. Charges excl. VAT. Unlimited UK usage. Fair use policies apply in Go Roam destinations. See three.co.uk/terms-conditions for full details. Price includes £5 monthly discount for paying by a recurring method, such as Direct Debit. Each April your Monthly Charge will increase by £0.75 per SIM. Offer available from 07/02/2025 to 25/03/2025.
Advertised offer of 20x Data; 500GB Voice SIM (24 months) monthly recurring cost of £10 per month is the same as the monthly recurring cost of the 25GB Voice SIMO (24 Months) from 01/09/2024 - to present day. Fair use policies apply in Go Roam destinations. See three.co.uk/terms-conditions for full details. Price includes £5 monthly discount for paying by a recurring method, such as Direct Debit. Each April your Monthly Charge will increase by £0.75.
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.
Competitor comparison based on prices shown on Vodafone, EE and O2's website for single Unlimited Data SIMs only (24 month contract, excluding promotions) compared against Three pricing for 10-20 SIMs, 24 month contract. Prices exclude VAT. Verify at three.co.uk/terms/business
Overall saving of £432 (excl. VAT) over 24 months when you buy 3 SIMs on a Boundless 24 month plan compared to the cost of a single Unlimited SIM over 24 months. £11 a month for each SIM when you buy 3 Unlimited SIMs on a Boundless 24 month plan. Charges excl. VAT. Unlimited UK usage. Fair use policies apply in Go Roam destinations. See three.co.uk/terms-conditions for full details. Price includes £5 monthly discount for paying by a recurring method, such as Direct Debit. Each April your Monthly Charge will increase by £0.75 per SIM. Offer available from 07/02/2025 to 25/03/2025.
Prices are based on a 24 month contract and exclude VAT at 20% [1]
Learn more about Adapt
A truly Unlimited business plan.
It’s more than a multi SIM plan. Add connections any time, and get reports on your team’s usage and spend. All this with truly Unlimited data, speeds, calls and texts in the UK.
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.
Your monthly charge for Adapt plans excludes VAT and includes a £5 discount for paying by a recurring method, such as Direct Debit. Each April, your Monthly Charge will increase by 4.5%. Please see an illustrative example below, showing how this would work if your Monthly Charge is £30. Please note this is not a representative example for your chosen plan. For more information, see Terms & Conditions | Three.
