SelfWealth made a response to another query on that topic, you...

SelfWealth made a response to another query on that topic, you can read it here.

Though, the response is more specifically based on the cash accounts component. They claim the process is automated, I would be under the impression, they would simply open a OpenMarkets accounts for SelfWealth clients. (as OpenMarkets are actually our broker, we just execute our trades through SelfWealth as the middleman) All shares under SelfWealth are CHESS and HIN sponsored, they do not own the shares. 

I don't have much faith in their systems though, so the claim of their processes being automated is hard to believe... My 2c.