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Home / Business / Markets with Madison

Storing Australia’s State Secrets: Inside Sydney’s strategic data centre expansion

Madison Malone
By Madison Malone
Senior Business Journalist, host of Markets with Madison·NZ Herald·
28 Aug, 2025 07:00 PM2 mins to read

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Today's episode of Markets with Madison takes you behind Macquarie Technology Group's data centre expansion in Sydney.

Today's episode of Markets with Madison takes you behind Macquarie Technology Group's data centre expansion in Sydney.

A data centre storing Australian Federal Government information is expanding in Sydney, as desire for domestic data sovereignty increases.

“Data sovereignty is, I think, poorly understood by a lot of business people,” Macquarie Technology Group co-founder and CEO David Tudehope told Markets with Madison inside its Sydney data centre.

“I think for business people, it is unclear, and, to some extent by design, it’s not transparent where the data goes.

“It really is seen as something that’s in the domain of a global software company to work out where to move data.

“They’re obviously worried about utilisation and making sure that all their infrastructure, their servers around the world are fully utilised ...

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“So it’s about optimising their business, which of course, you know, we all get that, respect that, but there’s a consequence.”

Tudehope – who founded the data centre developer, which began as a telecommunications business, with his brother – said it was a good thing that hyperscalers were now building data centres domestically, across Australia and New Zealand.

ASX-listed company Macquarie Technology Group would soon have six data centres, once its Sydney expansion was complete next year.

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Today's episode of Markets with Madison takes you behind Macquarie Technology Group's data centre expansion in Sydney.
Today's episode of Markets with Madison takes you behind Macquarie Technology Group's data centre expansion in Sydney.

Some of the hyperscalers, possibly including Amazon Web Services, Microsoft Azure and Google Cloud, stored some of their customers’ data in Macquarie’s sites.

In this episode of Markets with Madison above, David Tudehope explains demand for data centre developments, including how it works with the hyperscalers, and how they protect state secrets from foreign state actors.

Get investment insights on Markets with Madison every week on YouTube.

Disclaimer: The information provided in this programme is of a general nature and is not intended to be personalised financial advice. We encourage you to seek appropriate advice from a qualified professional to suit your individual circumstances.

Madison Malone (nee Reidy) is host and executive producer of the investment show Markets with Madison.

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