5G Business Broadband UK 2026: Costs, Providers & Best Options
Quick answer
5G business broadband gives businesses internet access through the UK mobile network using a 5G router rather than a traditional fixed broadband line so can be particularly useful for:
small offices
shops
construction sites
temporary premises
pop-up businesses
remote locations
multi-site businesses
broadband backup
businesses waiting for fibre installation
Current mainstream UK business 5G packages can start from roughly £15-£30 per month excluding VAT for unlimited data.
5G can be excellent value, but it is not automatically a replacement for FTTP or a leased line. The best connection depends on your postcode, number of users, reliability requirements and how damaging an internet outage would be.
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Transparent, impartial, and data‑driven reviews made by a team of expert humans, never AI generated – here’s exactly how Compare Your Business Costs helps you find the best deals from trusted UK providers: click here
Authored by: Ally Cox (Business Technology & B2B Services Specialist 10+ Years’ Experience)
Reviewed by: James Ward (Telecoms Specialist, 12+ Years Experience)
Last Updated: August 2026
Key takeaways
5G business broadband can start from around £15-£30 per month ex VAT for mainstream unlimited plans.
Real-world speeds of around 150Mbps are a more realistic benchmark than theoretical claims of 10Gbps.
5G is particularly strong for temporary locations, rapid installation and broadband backup .
Small businesses with strong local 5G coverage may be able to use it as their primary connection.
FTTP is generally more consistent for a permanent office where full fibre is available.
Leased lines remain better where guaranteed bandwidth, symmetrical speeds and strong SLAs matter.
5G makes an excellent backup to fibre because it uses different infrastructure.
Coverage should always be checked at the exact business postcode .
Businesses with several sites should compare 5G alongside SD-WAN, Managed WAN and multi-site connectivity .
The cheapest monthly package is not necessarily the best business connection if downtime would stop you trading.
Not sure whether you need 5G, FTTP or a leased line?
Compare business internet providers based on your location, users, usage and resilience requirements.
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Contents:
What is 5G Business Internet?
How much does 5G business broadband cost?
5G business broadband vs FTTP vs leased line
Can 5G replace business broadband?
What speed does your business need?
What is 5G Business Internet?
Your requirement Best option to compare first
Small office with strong 5G signal
5G business broadband
Temporary office
5G business broadband
Construction site
5G business broadband
Pop-up shop or event
5G business broadband
Backup if fibre fails
5G failover
New premises waiting for broadband
5G business broadband
Permanent office with FTTP available
5G vs FTTP
Large office
FTTP or leased line
Critical site that cannot go offline
Leased line + 5G backup
Multiple branches
Managed WAN / SD-WAN + 5G failover
Need guaranteed upload/download speeds
Leased line
Rural premises
Check 4G/5G, FTTP, fixed wireless and satellite
How much does 5G business broadband cost? Mainstream 5G business internet is substantially cheaper than the £100-£3,000 monthly figures sometimes associated with enterprise connectivity.
Current advertised examples include:
Provider Example current business offer Advertised speed
Three Business
From around £15/month ex VAT for unlimited 5G Business Broadband
Around 150Mbps average
EE Business
Around £28/month ex VAT for unlimited data on a 24-month Smart 5G Hub plan
Around 146Mbps average
Business pricing, promotional offers and annual increases change, so always compare the current total contract cost.
As a broader planning guide:
5G service Typical budget
Standard business 5G broadband
£15-£40+/month
Higher-spec 5G router package
£25-£60+/month
Portable 5G/MiFi
£10-£40+/month
5G backup connection
£15-£75+/site/month
Managed 5G failover
£30-£150+/site/month
Specialist outdoor 5G solution
£50-£250+/month
Private 5G network
Bespoke
The biggest differences are usually:
router
data allowance
contract
coverage
support
static/public IP availability
automatic failover
management
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5G Business Internet Providers Three Business Best for: Low-cost unlimited 5G business broadband and temporary locations.
Three currently advertises unlimited 5G Business Broadband from around £15 per month ex VAT on a 24-month plan.
Three positions the service for businesses including:
remote locations
temporary offices
construction sites
and their current business broadband page also advertises around 150Mbps average download speeds where 5G coverage is available.
EE Business Best for: Businesses wanting a high-spec 5G hub and a choice of data allowances.
EE’s Smart 5G Hub 7 Pro currently advertises:
around 146Mbps average download speeds
Wi-Fi 7
two LAN ports
unlimited-data options
their current 24-month Business Essential unlimited-data plan is around £28/month ex VAT , plus the applicable upfront charge.
Vodafone Business Best for: Businesses already using Vodafone mobile services or wanting wider mobile connectivity options.
Following the merger of Vodafone UK and Three UK, the network landscape is also changing, so you should focus on:
coverage at the premises
router options
data
business support
contract terms
rather than choosing solely on historic brand reputation.
O2 Business Best for: Businesses already buying mobiles or connectivity through O2.
O2 provides 5G business mobile connectivity and can be worth comparing where a company already manages:
business mobiles
tablets
mobile workers
through the same provider.
Which 5G provider is best? There is no universal best provider because coverage is postcode-specific .
A £15 plan is not a bargain if the signal inside your building is poor.
Compare:
coverage at the exact premises
indoor signal
average speed
upload performance
data allowance
router
contract cost
business support
static/public IP requirements
failover options
This is why comparing providers can be more useful than simply selecting the cheapest advertised deal.
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5G business broadband vs FTTP vs leased line This is a super important comparison for most businesses.
Feature 5G Business FTTP Leased line
Typical cost
£15-£60+
£30-£150+
£150-£800+
Installation
Very fast
Usually straightforward
Can take weeks/months
Dedicated bandwidth
No
No
Yes
Symmetrical speeds
Usually no
Depends on service
Yes
Speed consistency
Variable
Good
Excellent
Business SLA
Limited
Varies
Strong
Portable
Yes
No
No
Backup use
Excellent
Good
Possible
Temporary premises
Excellent
Poor
Poor
Small office
Good
Excellent
Often excessive
Critical operations
Better with backup
Better with backup
Best suited
Can 5G replace business broadband? Yes, sometimes.
5G can be a good primary broadband connection if:
your premises have excellent 5G coverage
you have a relatively small team
cloud usage is moderate
your connection performs consistently
guaranteed bandwidth is not essential
For example, a ten-person office receiving a stable 150Mbps 5G service may have more than enough capacity for:
Microsoft 365
cloud CRM
Teams
web browsing
VoIP
online accounting
However, if full fibre is available for a similar price, it is worth comparing both.
Can 5G replace a leased line?
For some SMEs, but they are fundamentally different services.
A leased line gives you:
dedicated bandwidth
symmetrical upload and download speeds
stronger SLA
predictable performance
5G gives you:
fast deployment
mobility
low monthly cost
flexible connectivity
A business that needs internet access may find 5G perfectly adequate but if your business needs guaranteed connectivity? Then you should probably compare a leased line
Is 5G good for backup internet? Yes. This is one of the strongest commercial uses of 5G.
as you could use:
Primary: FTTP or leased line
Backup: 5G
If the fixed connection fails, a compatible router can switch traffic onto the mobile network which can keep essential services running, including:
card payments
EPOS
VoIP
Microsoft Teams
email
booking systems
cloud applications
Because mobile infrastructure is different from fixed fibre, 5G can also provide better diversity than simply ordering another fixed broadband connection that may share part of the same physical route.
5G business broadband for small businesses 5G is particularly attractive to SMEs because it can be:
inexpensive
fast to deploy
easy to install
flexible
It will suit:
start-ups
shops
salons
cafés
small professional offices
trades
temporary premises
But don’t choose it simply because it says “5G” – a £25 FTTP connection can easily be a better permanent solution if it delivers stronger, more predictable performance.
How good is UK 5G coverage in 2026? UK 5G coverage continues to expand.
Ofcom’s Spring 2026 Connected Nations update reports that 5G Standalone coverage outside UK premises ranges from 49% to 85% across the three operators that have deployed it .
That represents significant progress, but coverage is still highly location-dependent, so yur business could experience:
excellent outdoor coverage
weak indoor coverage
good download speed but weaker upload performance
different results between networks
Always check the actual business postcode before signing a contract.
What speed does your business need?
Business size/use Starting point to compare
1-5 users
50Mbps+
5-15 users
100Mbps+
15-30 users
150-300Mbps+
30+ users
Compare FTTP and leased lines
Heavy uploads/cloud backup
Higher-capacity fixed connection
Critical operations
Connectivity + resilience
5G vs 4G business broadband
Feature 4G 5G
UK coverage
Wider
Growing
Typical speed
Lower
Higher
Network capacity
Lower
Higher
Latency
Higher
Potentially lower
Hardware cost
Lower
Higher
Backup use
Excellent
Excellent
Advantages and disadvantages of 5G business broadband
Advantages Disadvantages
Fast installation
Performance varies by location
Low monthly cost
No guaranteed bandwidth
No fixed line needed
Indoor coverage can be weaker
Portable
Upload speeds vary
Excellent backup option
Less predictable than fibre
Good for temporary premises
Business SLA may be limited
Strong speeds in good coverage areas
Static IP may not be standard
Final verdict 5G business internet is now a practical business connectivity option rather than simply a futuristic technology so is particularly strong for:
small businesses
temporary premises
construction sites
pop-ups
remote locations
quick deployment
broadband failover
Current mainstream business 5G broadband can start from roughly £15-£30 per month ex VAT , with advertised average speeds around 150Mbps on some major UK business services.
That can make it substantially cheaper than a leased line.
But it does not provide the same service.
If your business needs guaranteed bandwidth, strong SLAs and highly predictable performance, compare:
leased lines
If you have a permanent office with good full-fibre availability, compare:
FTTP
If you need flexibility or fast installation, compare:
5G
And if going offline would cost your business money, one of the strongest setups can be:
fixed primary broadband + 5G backup.
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FAQs about 5G business broadband
What is 5G business broadband?
5G business broadband uses the mobile 5G network and a business router to provide internet access without requiring a conventional fixed broadband connection.
How much does 5G business broadband cost in the UK?
Mainstream business 5G services can currently start from roughly £15-£30 per month ex VAT for unlimited-data plans. Specialist managed and failover services can cost more.
How fast is business 5G broadband?
Current mainstream UK business products advertise average download speeds around 146-150Mbps, although actual performance depends heavily on location, signal and network congestion.
Can business 5G really reach 10Gbps?
5G technology has theoretical multi-gigabit capabilities, but 10Gbps should not be treated as a normal real-world speed for UK business 5G broadband in 2026.
Does 5G really have 1ms latency?
1ms is an idealised technical capability rather than a typical UK business experience. Real-world latency varies by network, location and application.
Which UK providers offer 5G business broadband?
Major mobile networks including Three, EE, Vodafone and O2 offer business mobile connectivity. The exact 5G broadband products and coverage available vary by provider and postcode.
How much is Three Business 5G broadband?
Three currently advertises unlimited 5G Business Broadband from around £15 per month ex VAT on a 24-month deal, subject to its current promotional terms and coverage.
How much is EE Business 5G broadband?
EE currently advertises an unlimited 24-month Smart 5G Hub 7 Pro Business Essential plan at around £28 per month ex VAT, plus the applicable upfront cost.
Is 5G good for small businesses?
Yes, particularly where strong 5G coverage is available. It can comfortably support common cloud applications, email, video meetings and VoIP for many small businesses.
Can 5G replace fibre broadband?
It can for some businesses, particularly small or temporary sites. FTTP generally provides more predictable performance at a permanent location.
Can 5G replace a leased line?
Sometimes, where guaranteed performance is not required. A leased line remains more appropriate where dedicated bandwidth, symmetrical speeds and strong SLAs are important.
Is 5G good for backup broadband?
Yes. 5G is particularly useful for backup because it uses mobile infrastructure rather than relying on the same fixed connection as your main broadband.
Can a business automatically fail over to 5G?
Yes. Suitable business routers and SD-WAN services can automatically switch traffic to a 5G connection when the primary line fails.
Is 5G business broadband unlimited?
Some business plans include unlimited UK data. Always check fair-use terms, traffic management and contract conditions before signing.
Can I run VoIP over 5G?
Yes, if the connection provides sufficiently consistent latency, jitter and packet loss.
Can Microsoft Teams work over 5G?
Yes. A good 5G connection can support Teams very well, although connection consistency matters more than headline download speed.
Is 5G suitable for construction sites?
Yes. Construction and temporary sites are among the best 5G use cases because businesses can get online without waiting for permanent fixed infrastructure.
Is 5G good for shops?
Yes. It can provide primary internet or backup connectivity for card payments, EPOS and cloud systems.
Can I get a static IP with 5G business broadband?
Some specialist business mobile services support public or static IP options, but these are not standard on every package. Check before ordering if you need IP allowlisting, inbound VPN or hosted services.
Can you run a VPN over 5G?
Yes. Business VPN and SD-WAN services can use 5G as the underlying internet connection.
What is 5G Standalone?
5G Standalone uses a 5G core network rather than relying partly on older 4G infrastructure. It can support improved latency, capacity and more advanced enterprise 5G capabilities.
Is 5G better than 4G?
Generally, 5G provides greater speed and capacity, but a strong 4G signal can still be more useful than poor 5G coverage.
How do I choose a 5G business broadband provider?
Compare coverage at your postcode, expected speeds, monthly and total contract cost, router quality, data allowance, business support, IP requirements and whether you need backup connectivity.
Hi, I’m Ally Cox , a senior copywriter and blogger at CompareYourBusinessCosts.co.uk, the UK’s trusted platform for comparing business services.over a decade of experience in the B2B sector, I specialise in simplifying complex topics like leased lines, VoIP, business energy, HR and payroll solutions, accounting software, and EPOS systems .HR, copywriting, and business operations- from clocking-in systems to card machines and office technology .informed, confident decisions when choosing products and services that improve efficiency and save money.
