This page provides direct access to the trusted financial services firms essential for the full lifecycle of an ETF. From fund administration and custody to authorized participants and index licensing, these firms represent the critical partners required for successful ETF launch, listing, and compliant daily operation. Connect with the industry’s validated service providers to ensure the robust infrastructure of your exchange-traded fund.
Fund Administration & Operations

RBB Series Trust
Founded in 1988 as the first organized multiple-series trust, RBB provides a turnkey solution for ETF and mutual fund sponsors. Our platform allows investment advisors to focus on asset management while we handle fund setup, servicing, and corporate governance.
RBB oversees more than $23 billion in assets, supporting 13 investment advisors, over 20 unaffiliated subadvisors, and more than 60 mutual fund and ETF offerings.