Where is Regeneron Pharmaceuticals headquartered?
Regeneron Pharmaceuticals is headquartered in Tarrytown, NY. Its footprint includes major operating, manufacturing, commercial, R&D, laboratory, technology, clinical, or distribution hubs across the United States and international markets.
- HQ
- Tarrytown, NY
- HQ address
- 777 Old Saw Mill River Road, Tarrytown, NY 10591
- Offices
- Tarrytown, NY; Rensselaer, NY; Armonk, NY; Sleepy Hollow, NY
- Founded
- 1988
- Employees
- 14,000+
- Largest hub
- Tarrytown, NY
Regeneron Pharmaceuticals office locations
Regeneron Pharmaceuticals's public footprint includes headquarters and major operating hubs used for executive, commercial, clinical, manufacturing, distribution, laboratory, or technology work.
- Tarrytown, NY· Headquarters
- Rensselaer, NY· Office
- Armonk, NY· Office
- Sleepy Hollow, NY· Office
- Basking Ridge, NJ· Office
- Dublin, Ireland· Office
- London, UK· Office
Sources:Regeneron Pharmaceuticals websiteRegeneron Pharmaceuticals annual reports
Where is Regeneron Pharmaceuticals's headquarters?
Regeneron Pharmaceuticals's headquarters is listed as Tarrytown, NY, with a public headquarters address of 777 Old Saw Mill River Road, Tarrytown, NY 10591. Executive, investor, legal, finance, and enterprise procurement routes are usually tied to this corporate center even when the operational buyer sits elsewhere.
What other offices does Regeneron Pharmaceuticals have?
The footprint includes Tarrytown, NY, Rensselaer, NY, Armonk, NY, Sleepy Hollow, NY, Basking Ridge, NJ, Dublin, Ireland, London, UK. For healthcare companies, these locations often split by business-unit leadership, R&D, manufacturing, distribution, commercial teams, technology, clinical operations, laboratory operations, and international market coverage.
What Regeneron Pharmaceuticals's office footprint means for territory planning
Territory planning should not treat the headquarters as the only buyer location. Field events and account mapping should follow business-unit hubs, hospital or clinic markets, laboratory and manufacturing nodes, technology centers, and executive travel patterns. Time-zone coverage matters because approvals can involve stakeholders across multiple regions.
As of June 2026.Sources:Regeneron Pharmaceuticals websiteRegeneron Pharmaceuticals annual reportsRegeneron Pharmaceuticals contact
Regeneron Pharmaceuticals — frequently asked questions
