1. MSD

MSD Ireland is one of the country’s leading healthcare companies, having first established here over 50 years ago. MSD, known as Merck & Co. Inc., Kenilworth, NJ, USA in the US and Canada, has operations in more than 140 countries and employs over 2,800 people in Irelan...

2. Pfizer

Pfizer is a research-based pharmaceutical multinational. The company was one of the first pharmaceutical companies to locate in Ireland (1969). The Irish operations manufacture some of Pfizer’s best-selling and newest medicines including Viagra (urology), Sutent (oncolo...

3. Gilead Sciences

Gilead Sciences is a biopharmaceutical company that develops and commercialises therapeutics products. Gilead's Irish operations are responsible for manufacturing, quality control, packaging, and the release and distribution of the company's products in the EU and other...

4. Icon Plc

ICON is a global provider of outsourced development services to the pharmaceutical, biotechnology and medical device industries. It specialises in the strategic development, management and analysis of programs that support clinical development - from compound selection ...

5. Perrigo

Headquartered in Ireland, Perrigo Company plc is a global healthcare supplier that develops, manufactures and distributes over-the-counter (OTC) and generic prescription (Rx) pharmaceuticals, infant formulas, nutritional products, animal health, dietary supplements, ac...

6. Allergan Inc

In May 2020, Allergan was acquired by pharma giant Abbvie in a deal worth €58 billion. Allergan had previously been acquired by Actavis in 2015, but that business continued to be known as Allergan and was headquartered in Dublin. Allergan Pharmaceuticals Ireland, ...

7. Jazz Pharmaceuticals

Jazz Pharmaceuticals PLC is a specialty biopharmaceutical company that identifies, develops and commercializes products to address unmet medical needs in focused therapeutic areas. As of January 18, 2012, Jazz Pharmaceuticals, Inc. and Azur Pharma Limited combined t...

8. Alexion Pharmaceuticals

Headquartered in Cheshire, Connecticut (USA), Alexion is global biopharmaceutical company focused on the development and delivery of life-transforming therapies for patients with severe and life-threatening rare disorders.

9. Alere International

Abbott Rapid DX (formerly Alere) provides health management solutions, health monitoring products, and well-being services for patients and healthcare professionals. The company supplies about 1.4 billion tests to patients in over 100 countries every year. The Galwa...

10. Uniphar

In 1994 United Pharmacists Co-Op merged with Allied Pharmaceutical Distributors (APD) to form the UniPhar Group. APD and UPC were both founded by pharmacists in 1972 and 1967 respectively. Today, the roots of the UniPhar Group remain in community pharmacy and owners...

11. Eli Lilly

Eli Lilly and Co (Ireland) Ltd provides sales and marketing activities for the Eli Lilly and Company Group. Eli Lilly and Company develops pharmaceutical products that treat depression, schizophrenia, attention-deficit hyperactivity disorder, diabetes, osteoporosis, ...

12. Sanofi Genzyme

Sanofi Genzyme is a pharmaceutical company and its products and services are focused on areas such as rare inherited disorders, kidney disease, cancer, transplant and immune disease. Established in 2001, Genzyme Waterford is situated on a 37-acre site in Waterford. T...

13. Shire

Shire Pharmaceuticals Ireland is involved in the research, development and marketing of prescription medicines. Its particular focus is medicines for attention deficit hyperactivity disorder, human genetic therapies and gastrointestinal diseases. It employs 119 people i...

14. Bristol-Myers Squibb

Bristol Myers Squibb is a leading global biopharma company focused on discovering, developing and delivering innovative medicines for patients with serious diseases in areas including oncology, haematology, immunology, cardiovascular and neuroscience. Our employees work...

15. UDG Healthcare

UDG Healthcare plc is a provider of outsourced commercialisation solutions to healthcare companies operating across four areas of expertise. The company announced plans to buy the healthcare communications business of KnowledgePoint360 for €105 million in February 20...

16. Alkermes

Alkermes is a provider of innovative medicines that address the unmet needs and challenges of people living with debilitating diseases. As a fully integrated global biopharmaceutical company, Alkermes applies its scientific expertise, proprietary technologies, and globa...

17. Teva Pharmaceuticals

Teva Pharmaeuticals Ireland, formerly known as Ivax Pharmaceuticals, is one of Ireland’s longest established and leading pharmaceutical companies and is part of Teva Pharmaceutical Industries Ltd, one of the top 20 pharmaceutical companies worldwide. The firm's commerc...

18. Servier (Ireland)

Located in Arklow, Servier (Ireland) Industries Ltd has been in operation since 1989 and is a key strategic site for the Servier group. More than 400 staff are employed at its state-of-the-art manufacturing facility. The plant produces finished pharmaceutical produc...

19. Baxter

Baxter has been present in Ireland for more than 40 years. A global medical products and services company with expertise in medical devices, pharmaceuticals and biotechnology, it develops, manufactures and markets products that save and sustain the lives of people w...

20. Merck Millipore

Merck Millipore is the Life Science division of Merck Group of Germany, which is a global pharmaceutical and chemical company. Merck Millipore Ltd offers products, services that relate to research, development and production of biotech and pharmaceutical drug therapies,...