What is Giving What We Can's legal structure?

Giving What We Can UK (GWWC UK) is a charity in England and Wales (with registered charity number 1207964, registered company number 15442716, and is also a Netherlands registered tax-deductible entity ANBI 827647232). Giving What We Can USA Inc. (GWWC USA) is a 501(c)(3) nonprofit with EIN 93-3629215. GWWC UK and GWWC USA are separate charities that collaborate closely.