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Bayer Supplier Code of Conduct: Setting Sustainability Standards
Bayer's Supplier Code of Conduct (SCoC) establishes the essential social, ecological, and ethical standards expected from all suppliers and subcontractors.
Sustainability is at the heart of Bayer's corporate strategy, reflecting our core values and operational practices. Guided by our mission of “Health for all, Hunger for none,” we are committed to promoting inclusive growth and responsible resource management to enhance the well-being of people and the planet.
Commitment to Sustainability
Bayer demonstrates its dedication to sustainable practices by supporting a variety of global organizations, conventions, declarations, and initiatives that align with our Supplier Code of Conduct. Our commitment includes adherence to:
- The Ten Principles of the United Nations Global Compact (UNGC) on Human Rights, Labor, Environment, and Anti-Corruption.
- The UN Guiding Principles on Business and Human Rights (UNGPs).
- The OECD Guidelines for Multinational Enterprises.
International Standards
The Bayer Supplier Code of Conduct is grounded in a comprehensive framework of international standards, including:
The UNGC, the International Bill of Human Rights, the International Labour Organization’s (ILO) Declaration on Fundamental Principles and Rights at Work, the UNGPs, the Rio Declaration on Environment and Development, the UN Convention Against Corruption, the Convention on Biological Diversity, the UN Framework Convention on Climate Change (UNFCCC) as well as the Basel Convention on the Control of Transboundary Movements of Hazardous Wastes and their Disposal, the Stockholm Convention on persistent organic pollutants (POPs) and the Minamata Convention on Mercury.
Expectations of our suppliers, third-party providers, and subcontractors:
We expect all suppliers, third-party suppliers, and subcontractors to familiarize themselves with the Supplier Code of Conduct and our expectations regarding: Ethics, Labor & Human Rights, Health & Safety, Climate & Environment, Quality and Governance & Management Systems.

The principles expressed in Bayer’s Supplier Code of Conduct comprise an important component of supplier selection and evaluation. Moreover, we expect our suppliers to replicate these standards further down the supply chain. Bayer’s Supplier Code of Conduct is therefore made available to our suppliers with the goal of strengthening our mutual understanding of how sustainability should be practiced in day-to-day business.
Current version as of Dec 2025:
Please find the previous versions here:
We are working on providing additional language options for our Supplier Code of Conduct, which will be available soon.
Please note that the Supplier Code of Conduct Guidance will be updated in 2026 to reflect evolving standards and practices.

To help our suppliers practice sustainability in their daily business, we have developed a “Supplier Code of Conduct Guidance,” which is based on the Supplier Code of Conduct. This document aims to provide concrete examples of good practices and benchmarks which suppliers can use, and references such as the regulatory framework and standards governing Bayer’s sustainability efforts.
Current version as of Apr 2023:
Whenever you as our supplier (or one of your employees) have the impression something is not done in a compliant way or whenever you feel a situation may not be conform to Bayer’s values and you suspect a compliance violation, using our Speak Up Channel is the way forward.