As Donald Trump hikes the fee for a popular skilled worker visa programme in the US, lawyers and business experts are urging Canada to seize the moment and open its doors.

But some caution that those looking north as an alternative may find that Canada's immigration system has its own challenges.

The call to attract and retain talented workers left behind by the Trump administration's changes to H-1B visa is one that Canadian Prime Minister Mark Carney appears to be paying attention to.