Ethos Foundation is a Swiss organization specializing in socially responsible investing. Established in 1997, the foundation aims to promote socially responsible investment (SRI) and foster a sustainable socio-economic environment for the benefit of present and future society. Ethos brings together Swiss pension funds and institutions to achieve these goals.

Ethos offers a range of services dedicated to socially responsible investing and sustainable development in finance. Their services include investment funds, voting rights exercise, sustainability and climate analysis, dialogue with companies, and training for foundation boards. One of Ethos' notable offerings is their Swiss Corporate Governance Index (ESCGI) and their Ethos Index on MSCI World.

These indices reflect Ethos' extensive experience in analyzing and evaluating the environmental, social, and governance (ESG) practices of listed companies. They focus on companies that adhere to the best practices in corporate governance and exclude those with significant revenue from excluded sectors. In addition, Ethos is actively engaged in promoting responsible investing and is a signatory of the United Nations' Principles for Responsible Investment (PRI) since 2006.

They have also received certifications such as B Corp, signatory of the UN Global Compact, member of the Institutional Investors Group on Climate Change (IIGCC), signatory of the Swiss Association of Pension Institutions (ASIP) Charter, and supporter of the ICGN Global Stewardship Principles. Overall, Ethos Foundation offers a comprehensive range of services and indices to support socially responsible investing and sustainable development in Switzerland and internationally