| # | Company | Employees |
|---|---|---|
| 1 |
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 |
41,478 |
| 2 |
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. |
4,759 |
| 3 |
Planetweareplanet.com
The company provides software, payment, and technology solutions for the Hospitality and Retail sectors globally, focusing on innovative digital commerce platforms |
2,825 |
| 4 |
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. |
2,806 |
| 5 |
Brothers of Charity Services Irelandcorlann.ie
The company provides a variety of services and supports to people with intellectual disabilities or autism, focusing on inclusivity, self-determination, and high-quality care |
1,559 |
| 6 |
JJ Rhatigan & Companyjjrhatigan.com
A leading general building contractor in Ireland and London, specializing in high-quality, sustainable construction projects for various sectors including commercial, residential, healthcare, and more |
1,114 |
| 7 |
Creganna Medicalte.com
A global leader in designing and manufacturing access & delivery devices for minimally invasive medical therapies with a reputation for industry innovation and quality |
790 |
| 8 |
HSE West North Westsaolta.ie
A healthcare group operating 6 hospitals across 7 sites in Ireland, with an academic partnership with NUI Galway |
650 |
| 9 |
Galway University Hospitalssaolta.ie
Healthcare provider within Saolta University Health Care Group, offering a wide range of services to patients, specializing in cancer and cardiac care Affiliated with NUIG for training and research |
607 |
| 10 |
Glanuaglanua.com
A leader in engineering solutions for water infrastructure, specializing in innovative designs, global technologies, and maintenance of treatment facilities nationwide |
479 |
| 11 |
MKOmkoireland.ie
Ireland's largest Planning and Environmental consultancy with 200+ professionals delivering complex projects, adding value through multi-disciplinary expertise, and nationwide experience |
447 |
| 12 |
Blackrock Health Galway Clinicgalwayclinic.com
Provider of private cancer care and various medical specialties in the West of Ireland, with a team of 120 consultants |
438 |
| 13 |
Galway-Mayo Institute of Technologyatu.ie
A institution focused on preparing students for the professional world with world-class teaching, applied learning, and a supportive environment |
397 |
| 14 |
Galway County Councilgalway.ie
The local authority in County Galway, Ireland offers various services for residents and businesses in the area |
376 |
| 15 |
Uniquelyuniquely.ie
A company with extensive experience in various sectors, focusing on enhancing customer engagement and satisfaction through service solutions and local community support |
308 |
| 16 |
Ability Westabilitywest.ie
A charity organization providing services and supports to children and adults with intellectual disability and autism, empowering them to live self-directed lives |
278 |
| 17 |
CyberSentriqcybersentriq.com
Provides AI-driven email and web security, cloud backup, threat detection, phishing simulation, and data protection for MSPs and SMBs. |
197 |
| 18 |
Acorn Life DACacornlife.ie
A 100% Irish owned organization offering life assurance, savings, pensions, and investment products, dedicated to empowering individuals to achieve extraordinary results |
178 |
| 19 |
ICE Groupicegroup.ie
Recruitment, training, outsourced HR and payroll services for Irish and multinational companies, promoting innovative work-life balance initiatives. |
154 |
| 20 |
Context Ltd.context.ie
The company specializes in providing language services like interpreting, translation, and conference interpreting, using innovative technology to ensure excellence |
148 |
| 21 |
COPE Galwaycopegalway.ie
Providing essential services in Galway for over 50 years, supporting individuals facing homelessness, domestic abuse, and older people needing social and nutritional support |
146 |
| 22 |
Ask Acornaskacorn.ie
Irish-owned firm offering insurance and personal finance solutions with a nationwide network of advisors, promoting diversity, remote work, and professional growth |
123 |
| 23 |
Dubarry of Irelanddubarry.com
World-renowned for designing and manufacturing high-quality, innovative footwear for various activities, combining tradition, technology, style, comfort, and function |
100 |
| 24 |
TitanHQcybersentriq.com
A leading SaaS Cybersecurity Platform offering comprehensive security solutions to protect users from vulnerabilities Visit https://wwwtitanhqcom/contact/ for more information |
98 |
| 25 |
CitySwiftcityswift.com
Big data company powering global bus networks with intelligent transport data platform, optimizing timetables and enhancing passenger satisfaction through data-driven decision-making |
87 |
| 26 | 76 | |
| 27 |
Radius - Irelandradius.com
Global business services company offering mobility and connectivity solutions to SMEs and enterprise-level businesses, including fuel cards, telematics, fleet services, and EV solutions |
45 |
| 28 |
DHKN (Merged with Moore Ireland)mooreireland.ie
Leading provider of Accounting, Taxation, Auditing, Outsourced Accounting, Business Advice, Corporate Governance, Compliance, and Corporate Finance solutions in Ireland |
40 |
| 29 |
LOCOMOTIVE Europelocomotive.agency
Integrated marketing agency specializing in B2B digital, brand, and export strategy Helping businesses grow revenue through brand strategy, website development, and digital marketing |
40 |
| 30 |
Corrib Oilcorriboil.com
A diversified company operating in retail and distribution sectors, with convenience stores, forecourts, fuel distribution, and partnerships with major brands like Spar and Circle K |
31 |
| 31 |
Proactive Design + Marketingproactive.ie
A leading full-service marketing agency with international clients, specializing in innovative design, digital marketing, event management, and strategic solutions for various industries |
22 |
| 32 |
Channel Mechanicschannelmechanics.com
It provides a cloud-based platform for channel enablement, helping companies execute sales strategies with real-time insights and targeted programs. |
20 |
| 33 |
App Designappdesign.ie
An Irish app development company serving clients globally, with a reputation for excellence and strong values in a competitive marketplace |
17 |
| 34 |
HC Financialhcgroup.ie
Company provides expert financial advice on pensions, mortgages, taxation, investments, and life assurance for personal and corporate clients, focusing on long-term financial planning and security |
16 |
| 35 |
Caesol Limitedcaesol.ie
A trusted provider of manufacturing and mechanical engineering services, offering innovative solutions from concept to final product using advanced tools |
3 |
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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 Oct 24, 2026.