Unlimited calls, texts & 5G data for €15 per month.

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€10K Worth of Business Funding

Applications Now Open
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iPhone 17 Pro. It’s time to call in a Pro.

Register your interest today with Three Business
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Superfast Business Broadband from €25 per month

A business network like no other
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Business Phone and Broadband

 

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Switch to Three Business

from €15

Switch to Three Business today and get our 5G-ready SIM Only plan for just €15 a month for the first 12 months*. Enjoy unlimited 5G data, calls, and texts while lowering business costs on Ireland’s Best Network**

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Business

broadband plans

With fast, reliable business broadband and unlimited data starting from €25 a month, make the switch today and save €120.

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Shield your team from malware and more

Easy to deploy, Mobile Security keeps employee devices safe from phishing, network attacks and more.
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Award-winning customer care

Our Ireland-based support team is here for you, whenever you need them most.
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Find your nearest Three Store

We have over 60 stores across Ireland. Just type in where you are to find your nearest store.
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Have questions?

Visit our support hub for help and advice on popular topics.

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*Offer available to new business customers moving to Three. €15 a month for the first 12 months, €25 per month thereafter. Subject to annual price increase of CPI +3% in April each year. For more details, click here. 5G is subject to you having a 5G ready device, being on a compatible price plan and being in a 5G coverage area. Offer ends 30/09/2025. 12-month minimum term applies. Prices exclude VAT. Speeds may vary. Unlimited data is subject to fair usage policy, see EU Fair Usage Policy here. 5G subject to coverage. Standard monthly recurring charge applies after discount period ends.

**Opensignal Awards – Ireland: Mobile Network Experience Report, Mar 2025, based on independent analysis of mobile measurements recorded during the period Nov 01, 2024 - Jan 29, 2025 © 2025 Opensignal Limited.

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Join Ireland’s

biggest telecoms provider

At Three, we take the time to get to know your work before we get to work. That means we offer solutions tailored to your needs that keep your company connected. And you can rest easy knowing your business phone is backed by Ireland’s Best Network*.

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Business broadband on

Ireland’s Fastest 5G Network**

With fast, reliable business broadband and unlimited data starting from €25 a month, make the switch today and save €120.

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Managed connectivity

Meet the increasing demands of your business with a robust, reliable, and secure managed network.
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Collaboration made easy

Connect with colleagues, customers, and partners across a range of platforms from one place.
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Explore the Internet of Things (IoT)

Discover the potential of IoT to secure, automate, and grow your business.
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Shield your business

Protect your business from vulnerabilities and attacks with a comprehensive layer of defence.
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Managed mobility

Manage and protect your mobile devices from anywhere.
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Have questions?

Visit our support hub for help and advice on popular topics.

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 *Ireland's Best Network based on Opensignal Awards – Ireland: Mobile Network Experience Report, Mar 2025.

**Ireland's Fastest 5G Network based on Opensignal Awards – Ireland: Mobile Network Experience Report, Mar 2025.

Three's Grants for Small Businesses: open to eligible businesses only. Terms and conditions apply – see www.enterprisenation.com/three-grants/terms-and-conditions/ for details.