How Much Does Business Mobile Cost in the UK?

A typical UK business mobile line costs around £11 per user per month ex VAT for a standard SIM with 30-50GB of data on a 24-month contract. Business VoIP runs around £20 per user per month ex VAT, and a business landline line costs from around £10 per line per month ex VAT. Handset contracts (including a phone) typically cost £25-£55 per user per month ex VAT depending on the device and data allowance.

These are the 2026 UK price benchmarks — actual pricing varies by network, data allowance, contract length (all business contracts are minimum 24 months) and how many lines you buy. Networks discount aggressively on multi-line accounts, so a quoted price for 20 lines is rarely the same as 20 x the published single-line price.

At Compare The Networks, we price check EE, Vodafone, O2 and Three monthly. All prices below are ex VAT (standard for business contracts in the UK, and reclaimable if you are VAT-registered). Figures are accurate as of April 2026.

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Headline Price Benchmarks (UK, Ex VAT, 24-Month Contract)

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Business Mobile SIM-Only Prices by Network

24-month contract, ex VAT, indicative April 2026 pricing.

Key observation. Three is the cheapest on unlimited data by a clear £10+ margin. EE is consistently the most expensive but also has the widest coverage. Vodafone and O2 sit in the middle. On multi-line deals of 5+ SIMs, all networks typically knock 15-25% off these figures.

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Business Mobile Handset Contract Prices

Prices include device cost plus airtime, 24-month contract, ex VAT. Representative April 2026 figures.

For more, see best business iPhone deals and best Samsung phones for business.

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Business VoIP Prices (UK, Ex VAT)

VoIP (voice over IP) replaces traditional landlines with cloud-based calling. Typical UK business VoIP pricing:

Desk phones are typically rented at £3-£8/month per handset on top of the user licence, or purchased outright at £80-£200 per handset.

Read our best business phone system UK guide for the full comparison.

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Business Landline Prices

With the PSTN switch-off completing in 2027, most new business landline services are now delivered as digital voice (IP-based) over your internet connection. Typical UK pricing:

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What Drives Business Mobile Cost?

Five factors determine what you actually pay:

1. Data allowance. The single biggest lever. 5-10GB SIMs are 40-50% cheaper than unlimited.
2. Handset included or SIM-only. Including a handset adds £15-£30/mo for mid-range, £30-£45/mo for flagship.
3. Number of lines. Multi-line discounts kick in at 5+ lines. At 20+ lines, expect 20-30% off published rates.
4. Contract length. All business mobile is minimum 24 months. Longer terms (rare, usually 36-month enterprise deals) can reduce monthly cost further.
5. Network. Three is consistently cheapest; EE consistently most expensive. Vodafone and O2 sit in the middle.

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Hidden Costs to Watch

Published prices do not tell the whole story. Watch for:

• Annual price rises. Most UK business mobile contracts now include annual CPI + 3.9% increases. On a £20/mo line, that adds roughly £1-£2 per month each April.
• Out-of-bundle charges. Premium numbers (09, 118), international calls and roaming outside inclusive zones all add up.
• Early termination fees. If you leave mid-contract, you pay the remaining months. Always factor this in when switching.
• Device insurance. Optional add-on at £8-£15/month per device. Often cheaper to self-insure for large fleets.
• Activation and delivery fees. Some providers charge £5-£15 per SIM activation. Compare quotes should always include these.

See business mobile bill too high for more on common billing surprises.

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Total Monthly Cost Examples (Ex VAT)

Using typical UK multi-line pricing:

Small business: 5 users, SIM-only, 30GB each

• 5 x £11 = £55/mo ex VAT (£660/year ex VAT)
• On a 24-month contract: £1,320 ex VAT total

Medium business: 20 users, mixed

• 10 x iPhone 16 contracts at £32 = £320
• 10 x SIM-only unlimited at £14 = £140
• Total: £460/mo ex VAT (£5,520/year ex VAT)
• On a 24-month contract: £11,040 ex VAT total

Business with VoIP and mobile: 10 staff

• 10 x VoIP at £20 = £200
• 10 x business mobile SIMs at £11 = £110
• Total: £310/mo ex VAT (£3,720/year ex VAT)

See our business mobile cost calculator for a more detailed estimate.

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How to Reduce Your UK Business Mobile Cost

1. Right-size data per user. Most businesses over-buy data. Check 12 months of usage before renewing.
2. Get 3+ competing quotes. Never renew with your current provider without a comparison.
3. Negotiate multi-line discounts. 5 lines unlocks 10-15% off, 20+ lines unlocks 20-30% off.
4. Bundle services. Buying mobile + VoIP + broadband from one supplier often saves 10-15% vs buying separately.
5. Time your switch. End of tax year (April) and end of calendar year (December) are when networks push deals hardest.

For a free comparison across EE, Vodafone, O2 and Three, get a quote here.

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Frequently Asked Questions

How much does business mobile cost per user in the UK?

A typical UK business mobile line costs around £11 per user per month ex VAT for a SIM-only plan with 30-50GB of data on a 24-month contract. Handset contracts add £15-£45 on top, depending on the device.

Are UK business mobile prices ex VAT or inc VAT?

All UK business mobile pricing is quoted ex VAT (20%). VAT-registered businesses can reclaim the VAT on business mobile bills. The consumer prices you see advertised on the same networks are typically inc VAT — do not compare them directly.

How much does business VoIP cost per user?

Standard UK business VoIP costs around £20 per user per month ex VAT for a licence with a desk phone or softphone and unlimited UK calls. Starter plans run from £15, premium contact centre plans from £28.

How much does a business landline cost in the UK in 2026?

A single business landline (digital voice) costs from around £10 per line per month ex VAT. Analogue/PSTN lines are being phased out by the 2027 switch-off, so most new installs are digital voice over broadband.

Is unlimited business mobile data worth the cost?

For teams using mobile hotspots, video calls, cloud sync or field apps with photo/video uploads, yes — unlimited eliminates bill shock. For office-based staff on Wi-Fi most of the day, 30-50GB usually covers them for £3-5/month less per line.

Do UK business mobile contracts include annual price rises?

Most do. The standard is CPI inflation + 3.9% applied every April, which has been 7-9% in recent years. Always check the price-rise clause before signing and budget for 24 months of increases, not the headline month-1 price.

How long is a typical UK business mobile contract?

All major UK networks (EE, Vodafone, O2, Three) require a minimum 24-month business contract. Rolling 30-day and 12-month business deals are not standard — if you see one, read the terms carefully, it usually has enterprise-account caveats.

What is the cheapest UK business mobile network?

Three is consistently the cheapest published network, especially for unlimited data SIMs (around £14 per user per month ex VAT). For SIMs under 30GB, all four networks are within £2-4 of each other — network choice is usually driven more by coverage than price in that tier.

Do I pay extra for a handset on a business mobile contract?

Yes — a handset contract typically costs £15-£45 more per month than the equivalent SIM-only plan. Over 24 months, that is £360-£1,080 per handset. Always compare the total cost vs buying the handset outright and taking SIM-only.

Can I reclaim VAT on business mobile bills?

Yes, if you are VAT-registered. All standard business mobile services qualify as a business expense. If staff also use the phone for personal calls, HMRC guidance allows full VAT reclaim if the primary use is business, though some accountants apply a split. See our business mobile tax guide for details.

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Get a Price Comparison for Your Exact Setup

Every business is different. The only way to get accurate pricing is to compare real quotes from EE, Vodafone, O2 and Three against your specific requirements — user count, data per user, handset preference, and roaming needs.

Get a free UK business mobile quote. Takes two minutes, no obligation.

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Compare The Networks is a trading name of Xtra Phones UK Ltd, an OFCOM-regulated comparison service. All prices are ex VAT and accurate as of April 2026. Actual contract pricing depends on line count, data requirements, and negotiation.