ChemScore report card 2025

Bayer

Total Score
14/100

About the company

Founded in 1863, Bayer is one of the largest global companies in healthcare and biotechnology. The business is headquartered in Leverkusen, Germany. Today, the Bayer Group consists of over 300 consolidated companies spread across 83 countries. The company operates in three main business areas: pharmaceuticals, consumer health, and crop science. Bayer develops healthcare solutions and pharmaceuticals, provides consumer self-care and over-the-counter products, and offers agricultural solutions for crop protection, seeds, and digital farming. In 2018, Bayer acquired the agrochemical company Monsanto.
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Transparency
7 out of 25 points
Action points
  • Start disclosing revenue connected to hazardous chemicals
  • Report on the company’s global hazardous substances portfolio (beyond EU/US) on a substance-by-substance basis
  • Include more hazard classes and report the produced volumes of hazardous substances leaving the facilities on a more detailed level, substance by substance
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Phase-out of persistent chemicals
1 out of 25 points
Action points
  • Start mapping the presence of intentionally or unintentionally present persistent chemicals in the company’s processes and upstream value chain
  • Start reporting and/or limit the share of revenue from persistent chemicals considerably
  • Stop producing persistent chemicals and set up a timed phase-out plan
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Product portfolio
6 out of 25 points
Number of registered hazardous chemicals 30
Number of chemicals on the EU’s Candidate List 4
Number of chemicals on the EU’s Authorisation List and/or POP substances 0
Number of persistent chemicals 10
Product portfolio transparency 56%
Action points
  • Reduce the number of hazardous substances the company is using, producing and placing on the market
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Safer solutions
0 out of 25 points
Action points
  • Either start reporting the company’s share of safer solutions or increase it substantially. At a minimum, REACH candidate list substances must be excluded from such products
  • Publicly commit not to develop or market new products containing hazardous substances. At a minimum, REACH candidate list substances must be excluded from such products
  • Publicly commit to increasing the share of sales of safer solutions.

Category breakdown

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How did we come to this score?

Read more about our methodology
Company facts
Founded
1863
Headquarters
Leverkusen, Germany
Revenue
48.3 billion USD
ISIN
DE000BAY0017
Category
Agro
Other
All years
Year Rank Total score
2025 17 / 40 14 / 100
2024 19 / 51 15 / 48
2023 23 / 50 14 / 48
2022 39 / 54 10 / 48
2021 35 / 50 11 / 48
2020 14 / 35 14 / 48