This selection of companies with a mobile app in Ireland consists predominantly of well-established large organizations in diverse sectors. Key players include Ryanair, a major airline, Dunnes Stores, a retail company, and Allegion, specializing in seamless access solutions. The list also features Aer Lingus, another airline, and An Garda Síochána, the national police and security service.
A notable pattern is the strong concentration of headquarters in Dublin, with most companies operating from the capital. Retail is a prominent sector, represented by companies such as Dunnes Stores, Centra, Lidl Ireland, and Tesco Ireland, indicating a significant presence of consumer-focused businesses.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
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 |
21,217 | |||
| 2 |
Dunnes Storesdunnesstores.com
A company offering contemporary fashion, stylish homewares, and fresh quality food experiences, committed to creating better value for customers |
14,000 | |||
| 3 |
Allegionallegion.com
Global leader in seamless access solutions for homes, businesses, schools, and institutions, specializing in securing people and assets around the door |
7,123 | |||
| 4 |
Aer Lingusaerlingus.com
National airline of Ireland operating modern fleet, connecting UK, Europe, North America via Dublin and Shannon airports with US Pre-Clearance. |
3,884 | |||
| 5 |
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 |
3,547 | |||
| 6 | 3,251 | ||||
| 7 | 3,179 | ||||
| 8 |
An Postanpost.com
Provides postal, communication, retail, and financial services across Ireland with a large national network and over 10,000 employees. |
3,117 | |||
| 9 | 2,741 | ||||
| 10 |
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. |
2,706 | |||
| 11 |
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 |
2,668 | |||
| 12 |
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 |
2,157 | |||
| 13 |
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 |
2,046 | |||
| 14 |
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 |
1,943 | |||
| 15 |
Tesco Irelandtescoireland.ie
Large Irish retailer. Serves customers and communities. Supports local suppliers. Provides diverse career opportunities across retail, head office, and distribution centers. |
1,905 | |||
| 16 |
Vhiwww1.vhi.ie
providing health insurance and innovative healthcare services, supporting employee development, fostering inclusive culture, and promoting sustainability initiatives |
1,694 | |||
| 17 |
Playrixplayrix.com
A top mobile game company with 120 million monthly players, attributing its success to a talented global team prioritizing people over ideas |
1,599 | |||
| 18 |
Mater Private Networkmaterprivate.ie
Advanced healthcare provider offering specialized services including Heart and Vascular, Spine, Cancer, Surgery, and Robotic-assisted Surgery, with a focus on patient-centered care and innovation |
1,471 | |||
| 19 |
Foodhubfoodhub.co.uk
Access exclusive online ordering privileges for restaurants and takeaways through our app for a convenient dining experience |
1,265 | |||
| 20 |
BOYLE Sportscareers.boylesports.com
A leading independent bookmaker offering betting and gaming services in Ireland, UK, and international markets, with over 375 shops and 2,700 employees globally Proud sponsors of various sports events |
1,199 | |||
| 21 |
Alisonalison.com
A free online platform empowering learners worldwide with CPD-accredited courses, career tools, psychometric tests, and a free Learning Management System for organizations |
1,100 | |||
| 22 |
Bus Éireannbuseireann.ie
A major provider of bus transportation services in Ireland, offering a wide range of inter-urban, city, commuter, school, and local bus services |
910 | |||
| 23 |
Fingal County Councilfingal.ie
Local government managing Fingal's urban, suburban, and rural areas, supporting economic growth, infrastructure, and community development. |
830 | |||
| 24 |
Smartbox Groupsmartbox.com
Offering a wide range of experience gifts across leisure themes, enabling people to share memorable moments and meaningful experiences. |
811 | |||
| 25 |
Laya healthcarelayahealthcare.ie
Leading private health insurance provider in Ireland, offering a wide range of innovative healthcare services, corporate schemes, and digital solutions for members' well-being |
774 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 26 |
SSE Airtricitysseairtricity.com
A leading renewable energy provider in Ireland, specializing in wind power with a portfolio of onshore wind farms and green energy solutions for homes and businesses |
754 | |||
| 27 |
The National Maternity Hospitalnmh.ie
A leading provider of maternity, gynecological, and reproductive care, offering high-quality treatment, research, education, and a supportive environment for women and families |
749 | |||
| 28 |
The Doyle Collectiondoylecollection.com
Collection of family-owned luxury hotels in central urban locations, offering unique cultural experiences and warm, thoughtful service. |
734 | |||
| 29 |
Holaflyesim.holafly.com
A company offering data plans for travelers to stay connected worldwide, founded by individuals inspired by their own frustrations |
727 | |||
| 30 |
The Irish Timesirishtimes.com
Leading Irish quality newspaper delivering news, opinion, and analysis to readers through multi-platform media, including digital offerings like email digests and podcasts |
724 | |||
| 31 |
Virgin Media Irelandvirginmedia.ie
Leading cable and broadcast business in Ireland, providing award-winning broadband, TV, mobile, and home phone services Also, offering connectivity solutions for businesses and public sector |
703 | |||
| 32 |
TTM Healthcare Groupttmhealthcare.ie
Specialists in healthcare talent management, healthcare process outsourcing & workforce solutions, placing professionals in frontline roles & supporting back-office operations with tailored solutions |
694 | |||
| 33 |
AvaTradeavatrade.com
A global online trading broker with over 400,000 customers, offering a wide range of trading instruments and platforms with a focus on user experience and regulation |
685 | |||
| 34 |
Brown Thomasbrownthomas.com
Luxury department stores offering stylish, sophisticated retail experiences across multiple locations in Ireland, including flagship stores and an online platform. |
631 | |||
| 35 |
Bord Gáis Energybordgaisenergy.ie
Bord Gáis Energy offers innovative energy services and solutions in Ireland, focusing on benefiting and serving over 750,000 customers since 1976 |
594 | |||
| 36 |
Danske Bank UKdanskebank.co.uk
A leading bank in Northern Ireland and Great Britain, part of a financial group headquartered in Copenhagen, with over 200 years of experience |
565 | |||
| 37 |
Energiaenergia.ie
A leading supplier of renewable energy in Ireland, specializing in green electricity, bio-energy, energy storage, solar, offshore wind farms, and sustainability |
561 | |||
| 38 |
Teamwork.comteamwork.com
Platform for managing client projects and streamlining operations, designed to enhance profitability and efficiency for agencies worldwide. |
546 | |||
| 39 |
National Orthopaedic Hospital Cappaghnohc.ie
Leading orthopaedic hospital in Ireland offering national service for musculoskeletal conditions, specialized in surgeries, oncology, pediatrics, rehabilitation, and research collaborations |
519 | |||
| 40 |
Phorest Softwarephorest.com
A salon management software company that helps salon owners increase client retention and average spend through technology and marketing tools |
507 | |||
| 41 |
Allianz Partners, Healthallianzcare.com
Provides health, life, disability insurance and protection services globally, supporting organizations to safeguard employee health and wellbeing. |
499 | |||
| 42 |
The Maxol Groupmaxol.ie
A family-owned business operating a network of convenience forecourts in Ireland, providing retail fuels, wholesale fuels, convenience goods, fuel cards, and lubricants to local communities. |
479 | |||
| 43 |
McCabes Pharmacymccabespharmacy.com
The company offers pharmacy services and products, focusing on patient care, staff well-being, and community involvement through a professional and compassionate team approach. |
478 | |||
| 44 |
Hostelworld Grouphostelworld.com
A social network-powered OTA in the hostelling sector, connecting travelers through social features and aiming to help them find people to hang out with |
474 | |||
| 45 |
Xpress Healthxpresshealth.ie
A healthcare technology platform connecting professionals and facilities, offering work flexibility, high pay rates, and streamlined staffing solutions |
457 | |||
| 46 | 455 | ||||
| 47 |
The AA (Ireland)theaa.ie
A leading motoring organization in Ireland, providing roadside assistance, insurance services, and innovative solutions for customers' peace of mind |
450 | |||
| 48 |
medvocationmedvocation.com
A global healthcare recruitment marketplace connecting healthcare professionals with employers worldwide, offering free job posting and pay-per-result model |
447 | |||
| 49 |
DPD Irelanddpd.ie
Leading provider of logistics and parcel delivery services in Ireland with a network of 37 depots and global connections to 250 countries |
414 | |||
| 50 |
Insomnia Coffeeinsomnia.ie
Leading independent coffee shop chain with over 175 locations in Ireland and the UK, offering Fairtrade-certified coffee blends and a Coffee at Home range |
400 | |||
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How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 11, 2026.
More company lists in Ireland
- The largest companies in Ireland 1,769
- Multinational companies in Ireland 564
- SaaS companies in Ireland 203
- Software Development companies in Ireland 176
- Retail chains in Ireland 166
- Financial services firms in Ireland 143
- Financial Services companies in Ireland 143
- Professional services firms in Ireland 126
- Manufacturers in Ireland 125
- Companies with in-house R&D in Ireland 120
- Critical infrastructure operators in Ireland 118
- Public sector organisations in Ireland 88
- Retail companies in Ireland 84
- Education providers in Ireland 83
- IT Services and IT Consulting companies in Ireland 83
- IT services companies in Ireland 77
- Construction companies in Ireland 70
- Healthcare providers in Ireland 69
- Consulting firms in Ireland 65
- Family-owned companies in Ireland 64
- Distributors and wholesalers in Ireland 63
- Subscription businesses in Ireland 62
- Hardware manufacturers in Ireland 61
- Government Administration companies in Ireland 57