Committed to sustainability

Corporate Social Responsibility

Aware that its social and environmental impact must be constantly measured, evaluated and analyzed in order to be better managed, the Group has established a cross-segment CSR policy for all its employees and adapted to all levels of the organization.

CSR documentation
Explore our range of resources to learn more about the CSR initiatives we are currently implementing and planning for the future.
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Shaping a sustainable future

Committed to driving and shaping a more sustainable industry and society

The group is proud that 59% of its sales are for the energy transition markets.

Mersen enables the performance and reliability of industrial systems and essential infrastructure across a range of areas, from power management, rail and electric vehicles to renewable energies and storage.

Power management is a critical factor in improving power quality grid or electrical power distribution. Mersen provides reliable solutions – including cooling devices, fuses, busbars and capacitors – for the efficient transmission and distribution of electricity.

In the electric mobility sector, Mersen is at the forefront, providing key components that enhance the safety and efficiency of electric mobility, be it rail or electric vehicles.  And our commitment goes far beyond this. 

We're pivotal in the semiconductor industry, creating more compact, efficient semiconductors with our high-grade graphite and insulation felts. This not only enhances manufacturing processes but also optimizes energy efficiency, contributing to a lower carbon footprint and a cleaner environment. 

Mersen provides solutions for leading manufacturers in the solar, wind and hydroelectric power industries as well as the energy storage industry.  Our renewable energies initiatives reflect our ability to meet the growing demand for clean energy solutions.

2025 Key figures

A year of impactful CSR-driven achievements

These results mirror our pledge to not just meet, but exceed industry and environmental standards. Mersen's 2025 key figures highlight a year of impactful CSR-driven achievements, showcasing a commitment to safety, sustainability, and diversity that's at the heart of our operations.

  • 59.00 %

    Sales to energy transition

  • 73.30 %

    Waste recycling rate

  • 27.00 %

    Women engineers & managers

  • 96.00 %

    employees benefited from profit-sharing scheme

CSR strategy

What is CSR for Mersen?

Emmanuel Blot Representative of Bpifrance Participations

Emmanuel Blot

Representative of Bpifrance Participation on Mersen’s Board of Directors

The CSR strategy is an integral part of the Group’s strategy. It is implemented under the responsibility of the Board of Directors. The Group’s Executive Committee supports the CSR strategy and oversees its implementation. To that end, it calls on several bodies.
Our environmental impact
Polar Pod
By committing itself as an official partner of Polar Pod with Jean-Louis Etienne in this extraordinary scientific project, Mersen wants to contribute to the understanding and anticipation of tomorrow’s climate challenges.
The polar pod expedition

Commitment

Our pillars

1. Ethical and responsible business practices

Ethics and equality in our workforce

Mersen places great emphasis on the human element of our operations, ensuring that ethics and equality are more than just policies; they are practices lived out daily. Every new employee at Mersen is required to complete mandatory ethics training, establishing a foundation of integrity and accountability from the outset. This commitment to ethical conduct is reinforced by a learning path every two years for our managers, maintaining a leadership that is not only skilled but also principled.

In terms of equality, Mersen is actively working to balance the scales. We are proud to have reached a milestone where 26.4% of our leadership roles, including managerial and engineering positions, are held by women, reflecting our dedication to gender equality. We are setting ambitious goals to increase the employment of individuals with disabilities by 2-fold in 2027 compared to 2022. These targets underscore our commitment to an inclusive workplace where opportunity is based on talent and potential.

contract shake hands
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2. Environmental impact

Minimizing our environment impact

The challenges are: 

  • to reduce our carbon footprint
  • to take measures to adapt to climate change
  • to optimize waste management and develop circular economy.

Reduce Carbon footprint: We have set a bold target to significantly reduce our scopes 1 and 2 greenhouse gas intensity emissions by 2030, demonstrating our proactive approach to combating climate change.

Adapt to climate change: In 2025, the Group reach a first step, assessing its manufacturing sites’ exposure to physical climate risks.

Waste Management: We have made substantial progress in waste management since 2018, increasing our recycling rate from 48% to 73.3% in 2025. We intend to reach 80% by 2030, reflecting our commitment to reducing landfill waste and promoting a circular economy.

solar panels roof Mersen Chongqing site in China
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3. Human capital

Fostering our team’s growth and well-being

We place immense value on our employees, recognizing that they are the driving force behind our success. We are dedicated to creating an environment that supports their professional and personal development:

Expert / Innovation: Mersen operates in complex, high-tech sectors and owes much of its success to the expertise of its teams and their innovative mindset. To retain its talent and attract new talent while adapting to the technical and technological developments of its markets, the Group implements a human resources policy focused on continuous professional development.

Learning and Development: As a learning organization, Mersen invests significantly in the continuous education and upskilling of our team. We offer extensive e-learning opportunities and training programs, fostering a culture of continuous improvement and knowledge sharing, ensuring that our team is always at the forefront of industry developments.

Mersen Care Program: Mersen Care is foundational to the company's approach to employee welfare, focusing on epsychological safety, physical health, working conditions and Financial well-being. This program aims for universal application across all Mersen sites, emphasizing profit-sharing schemes for equitable value distribution among employees​​.

 

 

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04. Responsible partner

Making responsible our supply chain management

Mersen’s approach on supply chain responsibility involves regular dialogue with suppliers, particularly on sustainability issues. A supplier self-assessment grid has been completed by our strategic suppliers, making it possible to assign a supplier CSR rating, with related improvement plans.

This helps improve the Group’s ratings in customer assessments and supports the development of the circular economy and the use of recycled materials, which is also conducive to the development of new markets and suppliers. 

Mersen strives to select suppliers located as close as possible to its production facilities when feasible. This approach limits indirect emissions and strengthens the local economy. 

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CSR ratings

Recognition of our CSR excellence

mountains green environment

Supporting the UN Global Compact

Mersen, committed to sustainability

Mersen fights for human rights across the world.

A signatory of the United Nations Global Compact since 2009, Mersen has undertaken to promote its ten universal principles related to 

  • human rights,
  • labor standards,
  • the environment and
  • the fight against corruption.

United Nations Sustainable development goals

Mersen has identified policies and practices within its operations that make a direct or indirect contribution to Sustainable Development Goals.

united nations sustainable goals

Global outreach and responsibility

Local initiatives

Our commitment to global responsibility is exemplified through our active participation in diverse missions around the world.

Support for Institut Curie: Committed to advancing cancer research, Mersen supports the Institut Curie through fundraising efforts. Our contributions aid in the institute's pioneering work in the fight against cancer.

World Cleanup Day: Mersen Team in Paris took part in World Cleanup Day – a global initiative that aims to combat pollution by collecting litter left in the environment.

Apach’Evasion: Because we all have the power to act, Mersen Pontarlier supports Apach'évasion, a charity that makes nature accessible to people with disabilities. The site has made it possible to purchase an all-terrain electric wheelchair that allows users to go mountain biking on trails!

Stand Mersen solidaire pour l'Institut Curie - Tour Trinity

Publications

CSR

Corporate documents

Presentations

Compliance

Mersen, Energy to innovate
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