Corporate Headquarters
1 Freedom Valley Drive
Oaks, PA 19456
Phone: 610-676-1000
Email: info@seic.com
Wealth Management Solutions
Phone: (855) 475-0373
Email: SEIWealthPlatform@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