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Why the middle matters

Discover plans and support designed for medium businesses.

Businesses like yours employ millions across the UK, and make a significant contribution to both the economy and innovation. Our connectivity, combined with executive-level support so often reserved for larger teams, are helping to enable medium businesses to reach their full potential.

We're empowering businesses like yours

Discover how our network supports healthcare, aviation, education, and more. From harnessing the power of AI to transforming hybrid working, we’re here for your business at every step.

More for your team, more for your business

Unlimited & adaptable plans

Our unlimited plans[1] give you the peace of mind that comes with knowing exactly what you're spending. 'Get a plan that adapts with your business, giving you the freedom to work abroad for less, and in control of your mobile spend with detailed bill analytics'

Value-based solutions

We're built digital-first using the latest technology, offering you the most up to date, affordable plans and platforms. It's all about quality too. Get the devices, SIMs, and 5G broadband your business needs to thrive, while staying on budget.

All on The UK's Fastest 5G Network [2].

Dedicated service for every business

We understand that all businesses need dedicated support, from seamless onboarding to technical help, or simply advice on getting the most from your plan. 
Our tiered Customer Success Management service means we get to know your business inside out. Our business customer support is available via WhatsApp and Live Chat 7am-12am, 7 days a week.

Delivered on The UK’s Fastest 5G Network

We’re built digital first, with a dedicated focus on constant network investment. That’s why our network is award-winning. And we’re not only focused on your connectivity, but your security too.

Speak to one of our UK Business Specialists

We’re here to find you the perfect solution

We’re here 8am-8pm Mon-Fri, and 9am-5pm on Saturdays.

We’re trusted by:

Manufacturing

100+ connections

Construction

300+ connections

Healthcare

80+ connections

Aviation 

275+ connections

Waste Management

300+ connections

Education

550+ connections

Local Government

240+ connections

Shipping & Offshore

330+ connections

Security

60+ connections

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Customer Success Stories 

Three Business supports a diverse range of businesses across the UK.

Discover what our customers say about us, and read the latest insights and inspiration from industry thought leaders.

Read our case studies to get insights for businesses like yours.

Latest medium business blogs 

Read how reliable mobile networks and government incentives are crucial for growth

Tech-enabled SMEs can boost the UK economy

How mobile connectivity improves customer services

How 5G enhances efficiency and customer services

Find out how to switch in 4 easy steps

Hassle-free switching: the complete guide

Why choose Three for Business?

More about our network

According to Ookla, our 5G's the fastest around. [2]

More case studies

Join over half a million business customers across all industries who trust us for seamless connectivity.