Browse every Hong Kong SFC-licensed corporation and individual authorised for RA 4 — Advising on Securities. RA 4 (Advising on Securities) is a regulated activity under Hong Kong’s Securities and Futures Ordinance. A corporation or individual must be licensed by the SFC to carry it out. This page tracks how many active licensees hold RA 4 and the year-by-year licensing trend, compiled from SFC, HKMA and other public regulatory records.