Join Us


As the hub for the sustainable and impact investment market in the United States, US SIF attracts a broad array of members who are committed to achieving both positive societal and environmental impact and competitive returns. US SIF gives you entrée—through conferences, receptions, webinars and discussion groups—to a network of colleagues who collectively represent $5 trillion in assets under management or advisement.

Our membership spans a wide range of specialties and asset classes, and includes investment management and advisory firms, mutual fund companies, research firms, financial planners and advisors, broker-dealers, banks, credit unions, community development organizations, non-profit associations, and pension funds, foundations and other asset owners. See a list of US SIF member firms, organizations and institutions.

By joining US SIF, you build your brand and demonstrate your commitment to the field while enjoying research, educational opportunities and other benefits.

Membership is open to firms, institutions, organizations and professionals active in the field of sustainable and responsible investing. We look forward to welcoming you aboard.

Select the appropriate membership category to learn more about benefits:

Asset Management Firms 
Asset Owners
Service Providers
Community Investing Institutions, Banks and Credit Unions
Non-profit Organizations