I don't believe being eligible for offshore 0pct taxation is very feasible in Singapore, unless you are a multinational and have everything structured out well by a legal / tax team.
Exactly, Uber is using SG as headquarter to receive divends tax free from Uber B.V.
Unless you have that kind of structure, SG is not your place.
With the new draft in Hong Kong and the pressure from outside I'm not sure anymore it's still easy feasible
You still "could" pull it off if your HK company is not considered a MNE group ( A group that includes at least one entity or permanent establishment that is not located or established in the jurisdiction of the ultimate parent entity of the group)