Activity in the initial public offer market is heating up with two more Perth-based companies planning to raise a combined $22.5 million for their floats while WA carrier Skywest Airlines plans a return to the Australian bourse next month.

Activity in the initial public offer market is heating up with two more Perth-based companies planning to raise a combined $22.5 million for their floats while WA carrier Skywest Airlines plans a return to the Australian bourse next month.