With its valuation storming higher by the second, Australian design software titan Canva has no plans to hop off the rocket ship any time soon, with an initial public offering that will leave it beholden to the whims of market jitters and sober analysis of profit numbers.

However, the eight-year-old company has given the most details yet about the staggering growth it is achieving in the private realm, with its latest headline-grabbing funding announcement on Wednesday catapulting it to an astonishing $US40 billion ($55 billion) valuation.