O2 is becoming Three

Three and O2 are coming together
to create a stronger network

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O2 Enhanced Shared Services

Enhance learning, optimise efficency
and reduce costs

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Get 50% off Superfast
Broadband and Landline

That's €30 per month for six months

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Switching made easy

Switching to fibre broadband and unlimited landline
is easy with three simple steps and there is no need
to contact your exisiting provider as O2 manages
the switch on your behalf.

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Power down,
but stay connected
to your business

Open plans with roaming from €45

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Fibre Broadband & Landline
from €27.50 per month

Superfast Broadband with speeds up to 100MB.
Our best Broadband ever.

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€27.50 rate for first 6 months. Terms apply.
View all our case studies

O2 Customer Case Studies


SME Beltech secures big mobile Office benefits at low cost with O2

o2 study case

Savings are not even the major benefit. The benefit is the huge productivity and accessibility factors no matter where we are located.

Philip Bryan, CEO, Beltech

Total communications solution from O2 adds fizz to Gleeson Group’s email and data network

o2 study case

It made a huge difference in terms of reassurance and implementation that we could secure a total communications solution from the one provider in O2.

Conor Kinane, IT Manager, Gleeson Group

How O2 fixed line and broadband helped start-up Belle Boutique bring the latest fashion to Sutton

o2 study case

As a start up, we need to conserve cash and control costs but O2's business solution is great value.

Helen Malone, co founder, Belle Boutique

O2's Unified Communications is Breath of Fresh Air for Oxigen

o2 study case

This is a great example of how the latest ICT technology can help to solve core business challenges without breaking the bank.

Cathal O'Neill, Head of Finance & Administration, Oxigen

How O2 brought high quality broadband to Europe Hotel on the Lakes of Killarney

o2 study case

O2's ICT team has proven that you can cost effectively bring the power of today's latest technology and broadband even to remote and magnificent locations like the Lakes of Killarney.

Ger Looney, IT Manager, Europe Hotel and Resort

O2's Business All In accelerates productivity and customer service for Merrion Fleet Management

o2 study case

We now have a robust, secure and low cost solution which allows us to access mission critical information and communicate over a reliable email network any time from any location.

Marzena Golinska, Director of Finance & IT, Merrion Fleet Management

How SolarWinds keeps its EMEA HQ running with back up internet lifeline

o2 study case

O2 could point to a long track record in secure and reliable redundancy for not just mission critical but life critical services.

Jonathan Kenneally, System Engineer, SolarWinds

How O2 is helping Thelinor axe 95% of its paper transactions through enterprise mobility cloud solution

o2 study case

O2 is now much more than a mobile phone provider but a total communications partner. They rolled up their sleeves and helped us every step of the way.

Dave Thompson, Managing Director, Thelinor

O2's Microsoft Office 365 Works Out Better for Fit For Life

o2 study case

We have axed wasteful administration time so we can focus more on our clients and core business.

Mark Sweeney, Managing Director

Caffrey International Travels Over to O2 Fixed Voice

o2 study case

It makes so much sense from a cost, administration and service point of view for us to have a single provider for mobile and fixed voice as well as one dedicated account manager.

Mark Caffrey, General Manager

McGuirk's Golf tees up with O2 for broadband, mobile and fixed, driving 30% better fixed line deal

o2 study case

It makes such a difference to have one dedicated account manager you can call, rather than being pushed from Billy to Jacqueline.

Gareth McGinn, IT Manager, McGuirk's Golf