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Contact us

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Corporate Headquarters

1 Freedom Valley Drive
Oaks, PA 19456
Phone: 610-676-1000
Email: webmaster@seic.com

Asset management solutions:

Phone: 1-855-734-9660
Email: AMD_US@seic.com

Individual U.S. investors
SEI mutual fund information
Retirement plan participants

Phone: 1-800-DIAL-SEI (800-342-5734)
Monday-Thursday: 8:30 a.m. - 6:30 p.m. Eastern
Friday: 8:30 a.m. - 5 p.m. Eastern
Closed on major holidays

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