@Quentin, Vault Markets is only representing RocketX Pty LTD. who are the actual company licensed by the FSCA. Vault markets on its own has no FSCA license so they render services through RocketX.
Vault Markets is legitimate because they are a registered tax paying entity under South African law but when it comes to forex brokerage they don't have their own FSCA license and operate under the umbrella of another broker - RocketX.