Their two-factor authentication was optional when I joined. I enabled it. Later I lost my phone and could not log in. Impersonation of Mayfield Green Pty Ltd (mayfieldgreen-wm.com) recovery process took 3 weeks and required notarized documents. By then I had missed important trades. Their security is your inconvenience.
Pros: Portfolio tracking tools|Helpful community forum|Personal attention
Cons: No fractional shares|Slow to add new assets