The 100 largest companies in Ireland

Accentureaccenture.com

It provides professional services to businesses and governments, focusing on digital transformation, operational optimization, and enhancing citizen services globally.

Johnson Controlsjohnsoncontrols.com

Global leader in transforming environments through smart, healthy, and sustainable buildings Offering innovative digital solutions for various industries worldwide

Eatoneaton.com

Intelligent power management provider working towards a sustainable future by helping customers manage power, transition to renewable energy, and solve power management challenges globally

Smurfit Westrocksmurfitwestrock.com

Global provider of innovative paper-based packaging solutions with extensive operations, mills, and a large workforce across multiple countries.

Smurfit Kappasmurfitwestrock.com

A global provider of sustainable paper-based packaging solutions, offering innovative products and expertise to drive success for customers worldwide

Primarkprimark.com

International fashion retailer, over 470 stores, offering affordable fashion and everyday essentials at unbeatable prices for everyone.

TE Connectivityte.com

A global leader in industrial technology manufacturing, specializing in connectivity and sensor solutions for various industries to create a safer, sustainable, and connected future

Musgravemusgravegroup.com

Leading food retail, wholesale, and foodservice provider in Ireland with 19 market-leading brands, supporting thousands of family businesses and jobs.

ICON plciconplc.com

A global company founded in Ireland in 1990, specializing in accelerating the development of drugs and devices to save lives and improve quality of life

Health Service Executivehse.ie

Providing safe, high quality health and personal social services across Ireland with a large workforce in hospitals and communities.

Weatherfordweatherford.com

A global energy services company with 17,000 team members in 75 countries, providing solutions for the challenges of the energy industry

Ryanair - Europe's Favourite Airlineryanair.com

Europe's largest airline group, offering over 3,000 daily flights to 225 airports, with a plan to carry 225m+ guests annually

Kerrykerry.com

Provides taste and nutrition solutions to food, beverage, and pharma brands, supporting product innovation and consumer satisfaction worldwide.

Dunnes Storesdunnesstores.com

A company offering contemporary fashion, stylish homewares, and fresh quality food experiences, committed to creating better value for customers

Cimpresscimpress.com

Cimpress plc invests in mass-customization businesses, providing personalized products to meet individual customer needs with near mass production efficiency

Tycotyco.com

Comprehensive security solutions offered as part of a leading portfolio of building products, technologies, software, and services for protecting people and assets

Keywords Studioskeywordsstudios.com

A leading creative services provider for the global video games industry, offering end-to-end solutions and support across all aspects of game development

Department of Education and Youthgov.ie

Government department overseeing education policies, supporting children's learning, and promoting youth development for Ireland's social and economic growth.

Allerganabbvie.com

The company discovers and delivers innovative medicines in various therapeutic areas including immunology, oncology, neuroscience, eye care, and more

University College Dublinucd.ie

Research-intensive university offering undergraduate, masters, PhD education, fostering innovation, global engagement, and diverse academic disciplines across multiple campuses.

Flutter Entertainmentflutter.com

Global provider of sports betting, gaming, and entertainment, serving over 18 million customers worldwide through leading consumer brands Vision to be global online leader

ICON Strategic Solutionsiconplc.com

Global leader in Functional Service Provision services, offering cost-saving FSP models and clinical expertise to improve business performance Providing industry insights and job opportunities

University College Corkucc.ie

Established in 1845 as a part of Queen's University, now a founding member of National University of Ireland Offers higher education with rich heritage

Trinity College Dublintcd.ie

Leading Irish university offering world-class education and research, recognized globally for academic excellence and high international rankings.

CRHcrh.com

Global leader in building materials solutions, with market leadership in North America and Europe, offering materials for infrastructure projects and sustainable construction

Allegionallegion.com

Global leader in seamless access solutions for homes, businesses, schools, and institutions, specializing in securing people and assets around the door

Descon Engineering Limiteddescon.com

An integrated engineering services and manufacturing company operating in Pakistan and the Middle East, delivering client-specific solutions for Energy, Infrastructure, and Process industries

Perrigo Company plcperrigo.com

European Consumer Self-Care market top player, U.S. store brand over-the-counter and infant formula provider, offering trusted health and wellness solutions.

ESBesb.ie

A company focused on providing secure, sustainable, and affordable electricity supplies to enhance societal, economic well-being, driven by innovation and collaboration for a brighter future

University of Galwayuniversityofgalway.ie

Irish research-led academic institution providing high-quality teaching and excellence in research while fostering strong community outreach and support for the Irish language.

Cplcpl.com

Global provider of talent solutions across sectors, with 14,000 employees in 14 countries, specializing in matching the right talent to organizations

PM Grouppmgroup-global.com

Specializes in designing, constructing, and commissioning high-tech facilities for pharma, food, data centers, medical technology, manufacturing, and energy sectors globally.

Nursing Home Carenursinghomecare.ie

This company offers guidance on long-term nursing home care, including choosing a nursing home, financial planning, asset protection, tax planning, and the Fair Deal Scheme

University of Limerickul.ie

University offering diverse academic programs, extensive cooperative education, strong research links, international student community, and active global alumni network.

Glanbiaglanbia.com

A global nutrition company creating better products, sustainable practices, and high-quality nutrition to help people live full, healthy lives

Dublin City Universitydcu.ie

Leading university in Ireland with focus on enterprise and innovation Offers a wide range of degree programs and renowned research

Flutter Internationalcareers.flutterinternational.com

Global sports betting, gaming, and entertainment provider with innovative brands focused on championing play, empowerment, and teamwork for millions of customers worldwide

Version 1version1.com

IT services and solutions provider trusted by global brands, offering independent advice to navigate the evolving IT landscape and drive customer success

Aer Lingusaerlingus.com

National airline of Ireland operating modern fleet, connecting UK, Europe, North America via Dublin and Shannon airports with US Pre-Clearance.

DCC plcdccenergy.com

A global group providing solutions in energy, healthcare, and technology sectors through diverse businesses across 22 countries, driving long-term value creation

Jazz Pharmaceuticalsjazzpharma.com

Global biopharmaceutical company focused on developing innovative medicines for serious diseases with limited treatment options to improve patient lives.

An Garda Síochánagarda.ie

National police and security service in Ireland focused on keeping people safe with a vision of moral authority as servants of the people

Technological University Dublintudublin.ie

Leading technological university in Dublin with campuses across the city, offering diverse programs, investing in facilities, research, and global partnerships

Mallinckrodt Pharmaceuticalsmnk.com

Specializing in specialty pharmaceuticals, we develop, manufacture, and distribute innovative treatments for underserved patient populations across various medical fields

Beaumont Hospitalbeaumont.ie

A leading teaching hospital associated with RCSI Hospital Group, serving as a designated cancer and regional treatment center with strong academic links

Concern Worldwideconcern.net

International humanitarian organization working with poorest communities to improve lives and influence policies reducing extreme poverty globally.

PTSBptsb.ie

The company provides banking services and emphasizes privacy and security by directing customers to customer service on Facebook and Twitter

Tyco SimplexGrinnelltycosimplexgrinnell.com

A global leader in fire protection, security, HVAC, building controls, and energy storage, delivering customized solutions to meet customers' needs

Centracentra.ie

Market-leading convenience store brand partnering with local retailers Focus on health with nutritious on-the-go food options, redefining convenience retail market

An Postanpost.com

Provides postal, communication, retail, and financial services across Ireland with a large national network and over 10,000 employees.

Jones Engineeringjoneseng.com

Multi-disciplined engineering contracting company providing a complete range of engineering and building services installations globally, working with multi-nationals and delivering projects safely

KPMG Irelandkpmg.ie

A leading provider of audit, tax, and advisory services for domestic and international clients across all sectors, specializing in driving value and navigating change

Atlantic Technological Universityatu.ie

A new Technological University in the West and North-West of Ireland, offering programs across multiple campuses and embracing innovation for the future

Royal College of Surgeons in Ireland (RCSI)rcsi.com

A global university dedicated to education and research in healthcare, ranking highly for promoting good health and gender equality

Digital Marketing Institutedigitalmarketinginstitute.com

This company offers online digital marketing courses aligned with industry needs, providing skills, industry insights, and a supportive community for professionals

Kingspan Groupkingspan.com

Global leader in high-performance insulation and building envelope solutions for construction, aiming to improve building performance and create a sustainable future

Zurich Insurance plczurich.com

Insurance provider with operations in Ireland and nine other European countries, part of a global network with over 55,000 employees worldwide

Mercurymercuryeng.com

Design and manage complex engineering and construction projects for leading corporations, delivering innovative solutions that connect communities and businesses.

Planetweareplanet.com

The company provides software, payment, and technology solutions for the Hospitality and Retail sectors globally, focusing on innovative digital commerce platforms

Smyths Toys Superstoressmythstoys.com

Retailer specializing in a wide range of children's toys, video games, baby products, and outdoor play items across multiple stores.

Maynooth Universitymaynoothuniversity.ie

A rapidly growing university in Ireland with historic roots, offering diverse undergraduate, Master's, and PhD programs, emphasizing research and international connections

St James's Hospital Dublinlinkin.bio

An academic teaching hospital delivering health treatment, care, and diagnosis while prioritizing education, research, and collaboration with a focus on quality and accountability

Tusla - Child and Family Agencytusla.ie

Dedicated State agency in Ireland improving child wellbeing through child protection, family support, early intervention, and services responding to violence

RTErte.ie

Ireland's national public service media offering radio, television, online, and mobile services, with impartial, creative, high-quality programming for diverse audiences

Horizonamgen.com

Merged into Amgen and currently maintains an inactive social media presence without monitoring or active updates following the completed corporate acquisition.

Irish Defence Forcesmilitary.ie

The organization's primary roles include defending the State, aiding civil power, participating in peace support operations, providing fishery protection services, and carrying out various assigned duties

Lidl Irelandlidl.ie

Retail grocery chain offering high-quality products at low prices, operating numerous stores across Ireland and Northern Ireland with a large workforce.

IPL Schoelleriplschoeller.com

Design and manufacture smart, reusable circular packaging solutions supporting efficient, scalable, and sustainable supply chains across multiple industries worldwide.

Paddy Powercareers.flutteruki.com

International sports betting and gaming operator with leading brands in the UK, Ireland, Australia, and the USA, offering online and mobile services to millions of customers worldwide

John Sisk & Son Ltdsisk.com

Innovative engineering and construction company with extensive operations across Ireland, UK, and Europe, providing comprehensive construction services since 1859.

Applegreenapplegreenstores.com

Roadside hospitality convenience retailer with inviting spaces, quality amenities, EV charging, trusted brands, own food and coffee brands, focusing on guest experience.

Marcus Evans Groupmarcusevans.com

A global leader in business intelligence, offering diverse portfolios including summits, conferences, professional training, and market intelligence to help clients achieve strategic goals

Department of Justice, Home Affairs and Migrationgov.ie

Ensures national safety and fairness through crime prevention, property services, migration management, courts, and international justice cooperation.

Grant Thornton Irelandgrantthornton.ie

Providing innovative financial and business solutions with local expertise and global reach, fostering client relationships and ethical practices.

PwC Irelandpwc.ie

Global network providing assurance, advisory, and tax services with a commitment to quality and building trust in society.

Alkermesalkermes.com

A neuroscience-focused company developing innovative medicines for psychiatric and neurological disorders, with a strong focus on patient well-being and community support

Munster Technological Universitymtu.ie

Higher education institution with six campuses across South-West Ireland, focusing on technological and applied sciences education and research.

daadaa.ie

Global airport and travel retail group managing airports in Dublin and Cork, operating airport retailing worldwide, and providing aviation consultancy services internationally

Department of Social Protectiongov.ie

The company provides income supports, employment services, and other services for a diverse range of customers, including families, individuals with disabilities, and employers

S&W Irelandswgroup.com

Providing expert tax, accountancy, assurance, and advisory services to support Irish and international businesses through growth, risks, and exits.

Uisce Éireann Irish Waterwater.ie

National water utility ensuring secure, safe, and sustainable water services in Ireland by delivering quality drinking water and treating wastewater responsibly

Mater Misericordiae University Hospitalmater.ie

Charitable hospital delivering specialized tertiary healthcare including heart surgery, transplants, spinal injuries, and national isolation services in North Dublin and Ireland.

Iarnród Éireann Irish Railirishrail.ie

The national railway system operator in Ireland, providing intercity, commuter, and freight services within the Republic of Ireland and to Belfast

PokerStarscareers.flutterinternational.com

Leading global poker platform committed to quality entertainment Empowering team members to bring pace, responsibility, and team spirit to create unique experiences worldwide

Covalencovalensolutions.com

A trusted partner providing agile outsourcing solutions to Fortune 500 companies, offering multilingual services in customer experience, operations, and trust & safety

St. Vincent's University Hospitalstvincents.ie

A leading academic teaching hospital providing acute, chronic, and emergency care across 50 medical specialties with international accreditation and pioneering patient care approaches

Office of the Attorney General

A legal entity responsible for overseeing and upholding the law, representing the government in legal matters, and advocating for justice

Central Bank of Irelandcentralbank.ie

Safeguarding monetary and financial stability, ensuring financial system benefits consumers and economy, maintaining independence and public trust.

Dublin City Councildublincity.ie

Governance and strategic planning for Dublin City, providing housing, planning, development, environmental, roads, traffic, leisure, and community services.

Irish Lifeirishlife.ie

Leading Irish life, investment, and pension company offering innovative products with strong customer service and global expertise backing.

Origin Enterprises Plcoriginenterprises.com

Provides technically-led agricultural solutions promoting sustainable land use, empowering customers across multiple countries to maximize land potential.

Tallaght University Hospitaltuh.ie

One of Ireland's largest acute teaching hospitals providing adult, psychiatric, and age-related healthcare, specializing in urology, dialysis, robotic surgery, and trauma services

Linesightlinesight.com

Provides professional consultancy, management support, and strategic advice to the global construction industry from concept to completion across diverse sectors worldwide.

Tesco Irelandtescoireland.ie

Large Irish retailer. Serves customers and communities. Supports local suppliers. Provides diverse career opportunities across retail, head office, and distribution centers.

GOAL Globalgoalglobal.org

Specializing in emergency response, health, nutrition, food security, and livelihoods, we support vulnerable communities in crises, poverty, and exclusion

Blackrock Healthblackrockhealth.com

Ireland's private hospital group, comprising Blackrock, Galway, Hermitage, and Limerick Clinics, providing healthcare services and medical care to patients

BrowserStackbrowserstack.com

Provides instant access to thousands of real devices and browsers for functional, visual, and performance testing through AI-powered cloud infrastructure and tools.

Aldi Irelandaldirecruitment.ie

Established in 1913, this global retailer operates over 6,500 stores worldwide, including in Ireland, the UK, Europe, Australia, China, and the USA

Oldcastlecrh.com

Leading provider of building materials solutions worldwide, offering materials, products, and services for infrastructure, commercial projects, and outdoor living

Pleasure Ireland

Irish-owned company in China helping clients source or design products hassle-free Offers free consultations, personal product QC, and sample testing