Insights

Market Leadership As Ireland’s largest mobile provider with a 48.4 percent market share and a customer base of 4.9 million, Three Ireland offers a substantial opportunity to upsell enterprise solutions, premium services, and innovative connectivity products to a broad and engaged customer network.

Advanced Network Infrastructure With over 94 percent 5G coverage and ongoing investments exceeding €100 million annually to upgrade network and IT infrastructure, Three Ireland is well-positioned to offer cutting-edge digital services, IoT solutions, and enterprise connectivity packages to tech-driven businesses.

Innovation in IoT The recent launch of NB-IoT and LTE-M LPWAN networks demonstrates Three’s commitment to IoT expansion, creating potential sales avenues for industrial, logistic, and smart city clients seeking reliable low-power, wide-area connectivity solutions.

Recognition and Reputation Awarded Ireland’s Best Network and fastest 5G, Three Ireland’s strong reputation for quality and reliability makes it an attractive partner for enterprise clients seeking carrier-grade infrastructure and premium connectivity solutions.

Strategic Growth and Challenges While recent headcount reductions indicate strategic restructuring, they also open opportunities to offer specialized B2B services, outsourcing solutions, and managed connectivity offerings to support the company's evolving operational needs.

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?

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Three Ireland's main headquarters is located at 28 29 Sir John Rogerson's Quay Dublin, Dublin dublin 2 Ireland. The company has employees across 5 continents, including EuropeNorth AmericaAsia.

What is Three Ireland's phone number?

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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?

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

How much revenue does Three Ireland generate?

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As of February 2026, Three Ireland's annual revenue is estimated to be $644M.

What is Three Ireland's SIC code NAICS code?

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Three Ireland's SIC code is 4812 - Radiotelephone Communications NAICS code is 517 - Telecommunications.

How many employees does Three Ireland have currently?

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As of February 2026, Three Ireland has approximately 1.5K employees across 5 continents, including EuropeNorth AmericaAsia. Key team members include Ceo: E. C.Chief Business Officer / Cro For Business: E. M.Chief Consumer Officer: T. K.. Explore Three Ireland's employee directory with LeadIQ.

What industry does Three Ireland belong to?

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Three Ireland operates in the Telecommunications industry.

What technology does Three Ireland use?

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Three Ireland's tech stack includes MedalliaEdCastWebpackAmazon Simple Email ServiceMustacheUPSLinkedInPHP.

What is Three Ireland's email format?

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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?

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Three Ireland was founded in 2005.

Three Ireland

TelecommunicationsDublin, Ireland1001-5000 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, Dublin dublin 2 Ireland
Phone number
Website
three.ie
SIC Code
4812 - Radiotelephone Communications
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

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