Andrew Thorburn said investors in London are asking: "Where does it end and can these taxes just go up and up?"

Bank levy shocks global investors

London-based investors have warned NAB chief executive Andrew Thorburn they consider Australia a less stable economy after the federal and SA bank levies.

Get set for a more relaxed year-end by starting your tax planning from July 1.

How to be sorted by June 30

Make the most of the next five working days to get your ducks in a row - some opportunities won't be available after July 1.