SEI
SEI Investments Company (SEI) is a global financial services firm founded in 1968 and headquartered in Oaks, Pennsylvania. With additional offices across North America, Europe, Asia, and Africa, SEI specializes in investment processing, asset management, and investment operations solutions. The firm manages approximately $1.6 trillion in assets, serving a diverse clientele that includes institutions, private banks, investment advisors, ultra-high-net-worth families, corporations, and not-for-profit organizations. SEI offers a variety of services through its subsidiaries, including investment management for various asset types, investment processing and operations outsourcing, and wealth management platforms designed for independent advisors. The company also provides advanced technology solutions, such as the SEI Data Cloud, and advisory services tailored to institutional investors and family offices. SEI's commitment to innovation and strong client relationships supports its growth and operational excellence in the financial services industry.
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Headcount trend
SEI went from 3,839 employees in Jul 2023 to 4,070 in Jun 2025. Jan to Jun 2025: 182 people joined, 92 left.
Headcount data through Jun 2025
Org structure
Headcount by department
Executive compensation
Hiring now
See all jobsSalaries at SEI
All salaries66 salary profiles in the US
Most reported roles
H-1B sponsorship
The department split adds up all the years listed above. FY2026 alone: 35 filings.
Peer reviews
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Anonymous peer reviews on OffTheRecord
Similar companies
SEI FAQ
How many employees does SEI have?
SEI has about 4,070 employees, up 1% over the 3 months to Jun 2025.
Does SEI sponsor H1B visas?
Yes. SEI filed 35 H1B (LCA) applications in FY2026, according to the latest U.S. Department of Labor disclosures. Most of them were for Engineering roles.
What is SEI's revenue per employee?
SEI makes about $532K in revenue per employee, based on $2.16B annual revenue and 4,070 employees.
How much does SEI pay?
6figr has 66 salary profiles for SEI in the US and 13 in India, with pay broken down by role, level, gender and ethnicity on the SEI salaries page. See SEI salaries in the US
Is SEI a public company?
Yes. SEI is publicly traded under the ticker SEIC on NASDAQ.
Data from Company Prospectus, DOL LCA disclosures, WARN notices and 6figr salary profiles.
