Archival image of a data room.

Our history

From our solutions and industry reach to our talent and community impact, we’ve been building and delivering for more than 50 years.

Archival image of Alfred P. West, Jr, Chairman and CEO of SEI Investments.
Archival image of three men.
Four women reviewing paperwork at a cubicle.
Archival photo of first trade placed with SEI technology.
Exterior photo of SEI campus.
Archival image of colleagues huddled around a conference table.
Interior photo of an SEI office.
Image of 2003 advertisement, showing interlocking hands.
Exterior shot of office building, with words SEI Wealth Platform on image.