Insights

Market Leadership Three Ireland dominates the mobile telecommunications sector with nearly half of the market share and 4.9 million customers, positioning it as a key player ripe for enterprise solutions and value-added services targeting both B2C and B2B segments.

Network Innovation With over 94% 5G coverage and recent launches of 5G Standalone technology and enterprise-grade broadband solutions, Three Ireland offers a strong proposition for organizations seeking cutting-edge connectivity and network performance improvements.

Recognition & Reliability Consistently awarded for being Ireland’s fastest and most reliable network, Three Ireland's reputation for quality presents opportunities to upsell premium services, enterprise mobility solutions, and managed connectivity offerings to business clients.

Investment & Expansion Backed by over €2 billion in investments, including substantial ongoing expenditures, the company is focused on expanding its infrastructure and service capabilities, creating opportunities for partnership in technology upgrades and network integration projects.

Technological Edge The adoption of advanced technologies like eSIM wearable integration and partnerships with Ericsson for innovative 5G solutions indicates a forward-thinking environment ideal for developing IoT, enterprise mobility, and digital transformation solutions for clients.

Three Ireland Tech Stack

Three Ireland uses 8 technology products and services including Medallia, EdCast, Webpack, and more. Explore Three Ireland's tech stack below.

  • Medallia
    Analytics
  • EdCast
    Communication And Collaboration
  • Webpack
    Development
  • Amazon Simple Email Service
    Email
  • Mustache
    Javascript Frameworks
  • UPS
    Logistics
  • LinkedIn
    Online Community Software
  • PHP
    Programming Languages

Media & News

Three Ireland's Email Address Formats

Three Ireland uses at least 1 format(s):
Three Ireland Email FormatsExamplePercentage
First.Last@three.ieJohn.Doe@three.ie
97%
First.Middle@three.ieJohn.Michael@three.ie
1%
FirstLast@three.ieJohnDoe@three.ie
1%
F_Last@three.ieJ_Doe@three.ie
1%

Frequently Asked Questions

Where is Three Ireland's headquarters located?

Minus sign iconPlus sign icon
Three Ireland's main headquarters is located at 28/29 Sir John Rogerson's Quay, Dublin , County Dublin Dublin 2, IE. The company has employees across 5 continents, including EuropeNorth AmericaAsia.

What is Three Ireland's phone number?

Minus sign iconPlus sign icon
You can contact Three Ireland's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Three Ireland's official website and social media links?

Minus sign iconPlus sign icon
Three Ireland's official website is three.ie and has social profiles on LinkedIn.

How much revenue does Three Ireland generate?

Minus sign iconPlus sign icon
As of October 2025, Three Ireland's annual revenue is estimated to be $644M.

What is Three Ireland's NAICS code?

Minus sign iconPlus sign icon
Three Ireland's NAICS code is 517 - Telecommunications.

How many employees does Three Ireland have currently?

Minus sign iconPlus sign icon
As of October 2025, Three Ireland has approximately 1.5K employees across 5 continents, including EuropeNorth AmericaAsia. Key team members include Chief Business Officer / Cro For Business: E. M.Chief Performance & Planning Officer: J. C.Chief Consumer Officer: T. K.. Explore Three Ireland's employee directory with LeadIQ.

What industry does Three Ireland belong to?

Minus sign iconPlus sign icon
Three Ireland operates in the Telecommunications industry.

What technology does Three Ireland use?

Minus sign iconPlus sign icon
Three Ireland's tech stack includes MedalliaEdCastWebpackAmazon Simple Email ServiceMustacheUPSLinkedInPHP.

What is Three Ireland's email format?

Minus sign iconPlus sign icon
Three Ireland's email format typically follows the pattern of First.Last@three.ie. Find more Three Ireland email formats with LeadIQ.

When was Three Ireland founded?

Minus sign iconPlus sign icon
Three Ireland was founded in 2005.
Three Ireland

Three Ireland

TelecommunicationsIreland1001-5000 Employees

Three is Ireland’s largest mobile telecommunications provider with 48.4% market share and 4.9 million customers (as of December 2024).

At Three we strive to provide our customers with a better-connected life through meaningful products, best in class service and a connected network experience.

Our network is built for data; with over 94% 5G coverage and 99% 4G coverage.

Three has over 1,300 employees throughout Ireland, with our head office in Dublin, our Customer Experience Centre in Limerick where our award-winning team supports over 1.7 million customers every year, and more than 60 retail stores nationwide.

Three has to date invested over €2 billion in building our business in Ireland. This includes a €1.1 billion investment in upgrading and expanding our network and IT infrastructure, delivering a cutting-edge experience for both our customers and our employees.

Annually, Three continues to invest over €100 million into our network to ensure we continue to deliver the best experience and service for our customers.

Our Parent Company

CK Hutchison

Three is owned by  CK Hutchison Holdings (CK Hutchison). CK Hutchison is a renowned multinational conglomerate committed to innovation and technology with businesses spanning the globe. With operations in about 50 countries/markets and over 300,000 employees worldwide, CK Hutchison has four core businesses - ports and related services, retail, infrastructure and telecommunications.

Section iconCompany Overview

Headquarters
28/29 Sir John Rogerson's Quay, Dublin , County Dublin Dublin 2, IE
Phone number
Website
three.ie
NAICS Code
517 - Telecommunications
Founded
2005
Employees
1001-5000

Section iconFunding & Financials

  • $1M$10M

    Three Ireland's revenue is estimated to be in the range of $1M$10M

Section iconFunding & Financials

  • $1M$10M

    Three Ireland's revenue is estimated to be in the range of $1M$10M

Ready to create more pipeline?

Get a demo and discover why thousands of SDR and Sales teams trust
LeadIQ to help them build pipeline confidently.

© LeadIQ, Inc. All rights reserved.