Who we are.
-
1.44 trillion GBP
AUM/AUA*
-
$1.9 trillion
assets on SEI Wealth Platform**
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4,950
total global employees*
What we do.
Investment strategies and funds
Diversified, actively managed solutions to meet a wide range of investor goals.
Global wealth management technology and operations
Modern, fully integrated wealth management technology and outsourced operations solutions to streamline your business—all powered by the SEI Wealth Platform℠.
Data, analytics, and information management
SEI Data Cloud is a fully managed data platform that provides seamless access to near real-time data and advanced analytics, so you can quickly act on insights.
Professional services
Expert consulting, technology and operations infrastructure support, and strategic guidance to help you streamline your operations, drive growth, and scale your business more efficiently.
Quantitative Investment Management
Active quantitative funds and separate accounts that combine advanced science and technology with fundamental oversight and proven investment principles.
Managed IT services
Comprehensive offerings that strengthen cybersecurity, enhance network operations, and scale cloud infrastructure.
Who we serve.
Global and private banks
Operate seamlessly across multiple markets through expert curated open architecture technology and investment solutions.
Wealth managers
Increase control over your end-to-end client proposition and build value in your business through strategic outsourced partnerships or individual specialist solutions.
Financial advisers
Minimise inefficiencies, improve profitability, and enhance the quality and integration of planning, advice, and investments in a way that benefits all stakeholders.
Featured insights.
We’re here to help.
Our teams are solving problems, working with our clients and communities around the world.
Important Information
Investment solutions provided by SEI Investments (Europe) Ltd (“SIEL”), a registered investment advisor and wholly owned subsidiary of SEI Investments Company. Investing involves risk including possible loss of principal.
*As at 31 March 2026. Currency conversion as of 31 March, 2026, 1 USD to 0.7563 GBP.
**As of 31 December 2025.