If you've ever figured a cash job here and there was low risk because "everyone does it," the ATO wants you to know that's no longer a safe bet. The Tax Office has confirmed an 80% jump in prosecutions for non-lodgment tied to shadow economy activity over the past two years, and the fines attached to those cases have now passed $2.7 million.
For anyone unfamiliar with the term, the shadow economy is the ATO's catch-all for people and businesses doing the wrong thing on tax. That covers everything from not paying the tax or super you owe, to demanding cash payment for work specifically to avoid a paper trail, to workers being shortchanged on what they're legally owed.
Two decisions, not one
ATO Assistant Commissioner Tony Goding was blunt about why this matters beyond just the individuals involved. "The shadow economy undermines legitimate businesses and reduces revenue that would otherwise fund essential public services that support all Australians." He was equally direct about who this applies to: "It doesn't matter what profession you're in, if you're a tradie, hairdresser or café owner, and you deliberately avoid paying the right amount of tax, you risk more than financial penalties."
That last point is worth sitting with, because the penalties aren't just financial. Goding pointed out that "a criminal conviction can have significant impact on your reputation, business viability and ability to travel overseas, as well as make it harder to borrow money or obtain insurance."
The numbers behind it
Lodging a tax return isn't optional, and the ATO has clearly decided that pursuing non-lodgment through the courts is worth the resources. Prosecutions for it rose more than 80% between 2024–25 and 2025–26.
Over the past two financial years, the ATO has successfully prosecuted more than 350 individuals and entities, and secured convictions against more than 305 of them, an almost 60% jump between the two years. Courts have handed down more than $2.7 million in fines as a result.
Where it's happening
Geographically, three states carried most of that activity. Queensland, New South Wales and Western Australia together accounted for almost 75% of all successful non-lodgment prosecutions nationally in 2025–26. Broken down by state and territory, the split looked like this:
Queensland – 28%
Western Australia – 26%
New South Wales – 20%
Victoria – 17%
South Australia – 7%
Northern Territory – 2%
Australian Capital Territory – 1%
What the ATO is saying
Goding framed the rising conviction numbers as proof the ATO's approach is working. "The increasing number of convictions demonstrates that people who choose to break the rules are being caught and held accountable."
He also pushed back on the idea that skipping lodgment is a low-stakes shortcut. "What might start as a shortcut can quickly become a dead end, with serious financial, professional and personal consequences. Behind every conviction is a real person facing real costs from their choices, and behind every tax avoidance is money diverted from community services Australians rely on every day."
The consequences he described go well beyond a court appearance. "The cost of deliberately not lodging isn't measured in fines alone. We've seen business owners receive criminal convictions, lose the trust of their customers and community, and in some cases, lose the very business they were trying to keep afloat. For more serious offending, time in prison is even a possibility."
His closing message to business owners was straightforward. "Our message to the community is clear: deliberately ignoring your obligations comes at a significant cost."