306
Universe
SEC/IARD firms with a WA principal office. Not the state-RIA roster.
Trace this number
Source. SEC IARD firm compilation
Source date. 2026-08-27
Coverage. National roster overlay
Grain. SEC IARD roster firm with principal-office region = WA
Calculation. COUNT of roster firms with principal-office region WA = 306
Caveat. This is the national SEC/IARD roster overlay for firms that report a Washington principal office. It is not the Washington state-registered adviser universe, not a complete Washington adviser count, and not proof of current Washington DFI authority. WASHINGTON PRINCIPAL OFFICE != WASHINGTON STATE REGISTRATION.