ISS Sustainability Solutions | 51,047 followers on LinkedIn. ISS Sustainability Solutions is the sustainable investment business of Institutional Shareholder Services Inc., a leading provider of environmental, social, and governance solutions for asset owners, asset & wealth management, insurers, and intermediators. With more than 25 years of providing in-depth investment research and analytics, it has a unique understanding of the requirements of institutional investors worldwide. Its comprehensive solutions enable investors to develop and integrate responsible investing policies, engage on sustainable investment issues, and monitor portfolios through its screening capabilities.