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Top Companies in Ireland

191 companies based in Ireland, sorted by total funding raised.

Ryanair Holdings plcIPO

Ryanair Holdings is Europe's largest airline group, operating ultra low-cost flights across Europ...

Swords, Ireland10001+aviation, E-Commerce
Funding undisclosed
SS
Saville Systems Ireland LimitedAcquired

Galway-based provider of specialized customer billing software for telecommunications companies.

Galway, IrelandTelecommunications
Venture Round·Apr 1998
ST
Seagate TechnologyIPO

Seagate Technology is a global data storage hardware company designing hard disk drives, SSDs, an...

Dublin, Ireland10001+Hardware
Funding undisclosed
SIRIUSXT

Lab Instrument for Cell Nano-Tomography.

Dublin, Ireland11–50Biotech, Healthcare
Funding undisclosed
Smurfit WestrockIPO

Global leader in sustainable paper-based packaging solutions with 97,000+ employees across 40 cou...

Dublin, Ireland10001+Advanced Materials, E-Commerce
Funding undisclosed
SportCaller

SportCaller is a B2B SaaS platform that provides free-to-play sports prediction games for betting...

Dublin, Ireland11–50SaaS
Funding undisclosed
Sports Surgery ClinicAcquired

Private orthopaedic hospital in Santry, Dublin specialising in orthopaedic surgery, spinal surger...

Dublin, IrelandHealthcare
Funding undisclosed
STERIS plc (Ireland)IPO

Global provider of sterilization products, infection prevention, and surgical support services fo...

Dublin, Ireland10001+Healthcare, medtech
Funding undisclosed
Stride Racing

Stride Racing is a platform that enables fans to purchase elite racehorses. Similar to Angelist, ...

Dublin, Ireland1–10Telecommunications
Seed·Jan 2022
TeIPO

Global industrial technology leader manufacturing reliable electronic components and connectivity...

Dublin, Ireland10001+electronics, enterprise software
Funding undisclosed
T
TeachKloud

TeachKloud is an Irish SaaS platform helping early childhood educators reduce administrative pape...

Cork, Ireland1–10SaaS
Funding undisclosed
The City Bin Co.Acquired

Award-winning waste collection company providing residential and business waste management servic...

Galway, Ireland51–200Climate Tech
Private Equity·May 2019
Trane TechnologiesIPO

Trane Technologies is a global climate innovator providing sustainable HVAC, refrigeration, and t...

Dublin, Ireland10001+construction, Manufacturing
Funding undisclosed
UrbanFox

UrbanFox is a fraud detection and prevention technology for payment processors and online merchan...

Dublin, Ireland1–10Artificial Intelligence, Cybersecurity
Series A·Mar 2025
VCola

AI-native enterprise platform engineering system combining domain-aware code generation with arch...

Dublin, Ireland1–10Artificial Intelligence, Developer Tools
Funding undisclosed
XOCEAN

XOCEAN is an ocean data company utilising satellite controlled Uncrewed Surface Vessels (USVs). T...

Rathcor, Ireland51–200Climate Tech
Funding undisclosed