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Home›Companies›Bayer AG
Bayer AG logo

Bayer AG

Leverkusen, Germany Pharmaceutical 100,000 employees Founded 1863 BAYN bayer.com ↗
3 Products & services
109 Licensed medicines
86 Clinical trials
1 Site
100,000 Employees

About Bayer AG

Bayer is a global life sciences enterprise with core competencies in healthcare and nutrition, headquartered in Leverkusen, Germany.

Sector
Pharmaceutical
Headquarters
Leverkusen, Germany
Founded
1863
Employees
100,000
Facilities
1 site

Milestones

Milestones as listed on bayer.com, checked 26 Sep 2026. Details can change; the linked page is the authoritative source.

1863
Friedr. Bayer et comp. founded in Barmen
Founded by Friedrich Bayer and Johann Friedrich Weskott to make dyes.
Source: bayer.com
1881
Became a stock corporation
Renamed Farbenfabriken vorm. Friedr. Bayer & Co.
Source: bayer.com
1888
Pharmaceutical department established
Source: bayer.com
1904
Bayer Cross logo introduced
Source: bayer.com
1951
Farbenfabriken Bayer AG newly founded
Re-established after the break-up of I.G. Farben.
Source: bayer.com
2006
Integration of Schering AG
Strengthened the pharmaceutical division.
Source: bayer.com
2018
Acquisition of Monsanto
Source: bayer.com
2023
Bill Anderson took office as CEO
Source: bayer.com

Leadership Team

Leadership as listed on bayer.com, checked 26 Sep 2026. Details can change; the linked page is the authoritative source.

Bill Anderson

Chairman (Board of Management)
Source: bayer.com

Judith Hartmann

Board of Management - Finance
Source: bayer.com

Stefan Oelrich

Board of Management - Pharmaceuticals
Source: bayer.com

Heike Prinz

Board of Management - Talent (Labor Director)
Source: bayer.com

Rodrigo Santos

Board of Management - Crop Science
Source: bayer.com

Julio Triana

Board of Management - Consumer Health
Source: bayer.com

Products & Services

Products and services as listed on bayer.com, checked 26 Sep 2026. Details can change; the linked page is the authoritative source.

Division

Pharmaceuticals

One of Bayer's three core divisions.

Source: bayer.com
Division

Consumer Health

One of Bayer's three core divisions.

Source: bayer.com
Division

Crop Science

One of Bayer's three core divisions.

Source: bayer.com

Sites in Ireland

Dublin

Office

Bayer's Irish headquarters; the company has been in Ireland for almost 50 years.

Source: bayer.com

Sites as listed on bayer.com, checked 26 Sep 2026. Details can change; the linked page is the authoritative source.

Pipeline & Regulatory Record

What public registers list for Bayer (group figures): clinical trials it sponsors, FDA device clearances, Irish licences, recent approvals and supply shortages. Rebuilt daily, last on 5 Oct 2026.

86Trials as lead sponsor
44Recruiting now
3With a site in Ireland
0FDA device clearances

Clinical trials 86 in our ClinicalTrials.gov registers

StudyPhaseStatus
A Study to Learn More About How Well Elinzanetant Works and How Safe it is Compared to Placebo for the Treatment of Hot Flashes Caused by Anti-cancer Therapy in Women With, or at High Risk for Developing Hormone-receptor Positive Breast Cancer
NCT05587296 · site in Ireland · Vasomotor Symptoms Caused by Adjuvant Endocrine Therapy in Women With, or at High Risk for Developing Hormone-receptor Positive Breast Cancer, Hot Flashes
Phase 3Active, closed
A Study to Test the Safety and Efficacy of the Drug Larotrectinib for the Treatment of Tumors With NTRK-fusion in Children
NCT02637687 · site in Ireland · Solid Tumors Harboring NTRK Fusion
Phase 1/2Active, closed
Study to Learn More About the Safety and Effectiveness of the Drug VITRAKVI During Routine Use in Patients With TRK Fusion Cancer Which is Locally Advanced or Spread From the Place Where it Started to Other Places in the Body
NCT04142437 · site in Ireland · Locally Advanced or Metastatic Solid Tumor Harboring an NTRK Gene Fusion
ObservationalRecruiting
A Study to Learn How Men With Advanced Prostate Cancer Respond to Treatment With Darolutamide and Hormone Therapy, With or Without Chemotherapy, in Real-world Medical Practice
NCT07344779 · Metastatic Hormone-Sensitive Prostate Cancer
ObservationalActive, closed
A Study to Learn About How Well BAY 3401016 Works in Adults With Alport Syndrome
NCT07211685 · Alport Syndrome
Phase 2Active, closed
An Observational Study to Learn More About How Safe Finerenone is and How Well it Works in Indian People With Chronic Kidney Disease and Type 2 Diabetes in Routine Medical Practice
NCT06763146 · Chronic Kidney Disease, Type 2 Diabetes Mellitus
ObservationalActive, closed
An Observational Study to Learn More About How Safe Vericiguat is and How Well it Works in Indian People With Chronic Heart Failure With Reduced Ejection Fraction and Worsening Chronic Heart Failure Under Real World Conditions
NCT06632483 · Chronic Heart Failure With Reduced Ejection Fraction, Worsening Chronic Heart Failure
ObservationalActive, closed
A Study to Learn More About How Well Aficamten Works in Japanese Participants With Symptomatic Obstructive Hypertrophic Cardiomyopathy
NCT07023341 · Obstructive Hypertrophic Cardiomyopathy
Phase 3Active, closed
A Study to Learn More About the Use of Aflibercept in Routine Medical Practice in Japanese Participants With Neovascular Age-related Macular Degeneration and Diabetic Macular Edema
NCT06929143 · Neovascular Age-related Macular Degeneration (nAMD), Diabetic Macular Edema (DME)
ObservationalActive, closed
An Observational Study to Learn More About Treatment Patterns and Factors Determining the Choice of Treatment in Canadian Men With Metastatic Hormone Sensitive Prostate Cancer in Routine Medical Care
NCT06874114 · Metastatic Hormone-sensitive Prostate Cancer
ObservationalActive, closed

Showing 10 of 86, trials with Irish sites first. The full lists are on the sponsor pages below.

All trials by sponsor name 1 registry name

Drugs in these trials 34 compounds

Recent approvals

  • LynkuetEMA · elinzanetant · 17 Nov 2025
  • ClaritinFDA · Loratadine · 12 Apr 1993 · New Drug (NDA)

NICE technology appraisals 27 of its medicines · 26 current

Appraisals of medicines sold under a brand this company holds in EMA or FDA records, from our NICE appraisals register. NICE decisions apply to the NHS in England. © NICE 2026 technology appraisal guidance. Available from www.nice.org.uk/guidance. All rights reserved. Subject to Notice of rights. NICE guidance is prepared for the National Health Service in England. All NICE guidance is subject to regular review and may be updated or withdrawn. NICE accepts no responsibility for the use of its content in this product/publication.

Group (Bayer): founded 1863, headquarters Leverkusen, website bayer.com. Wikidata Q152051 · Wikipedia. From Wikidata (CC0), matched by the group's Legal Entity Identifier.

How this is matched: register records are linked to this page by the organisation name they carry, here Bayer; Bayer AG; Bayer Limited; Bayer Pharma AG; BAYER HEALTHCARE LLC; Bayer AG  and 1 more. Spot a wrong match? Tell us.

Financials & Irish Entities

Bayer AG does not file annual reports with the US SEC, so we do not show its financial statements here.

Companies registered in Ireland 2 active in the CRO register

CompanyCRO no.RegisteredLast accounts
Bayer Cropscience Limited
External company
9094861927—
Bayer Limited
LTD - Private Company Limited by Shares
169961958Dec 2025

From the Companies Registration Office (CRO Open Data, CC BY 4.0). A company is listed when GLEIF's legal entity register links it to Bayer AG as its ultimate parent, or when we checked its name and registered address by hand. Branches of foreign companies appear as "External company". Spot a missing or wrong entry? Tell us.

In the News

No coverage yet — our newsroom tracks Bayer AG continuously.

Research Publications

EUROPE PMC · LIVE
Searching Europe PMC for affiliated publications...

FDA Recalls (US)

OPENFDA · LIVE
Checking openFDA drug-recall records...