For most early-stage startups, tax losses are dead weight. You spend years burning capital, carrying losses forward, and waiting until you turn profitable enough to use them. The 2026 Budget changes that. Two new measures let founders convert losses into cash much earlier, sitting on top of the R&D Tax Incentive (which remains the workhorse cash mechanism for most innovation-led startups, now at roughly 48% from FY29, up from 43.5% – see our deep dive on the R&D reforms).

One measure is available from FY27, the other from FY29. The decisions you make in the next 18 months determine how much you can access. Start with what’s closest to you.

Stage 1: Loss carry-back (live from FY27)

The mechanic. From 1 July 2026, companies with turnover under $1bn can carry a revenue tax loss back against tax paid in the previous two years and receive a cash refund. A COVID-era measure, now permanent.

Why. Australian startups have spent the last two years hunkered down. Deal count fell 17% from 2024 to 2025 according to the Cut Through Venture and Folklore Ventures State of Australian Startup Funding 2025 report, with 58% of capital going to just the top 20 deals. Many startups responded by cutting burn and tightening operations, with some becoming modestly profitable as a result. Loss carry-back is the lever to get those same companies investing again. Reinvest, take a deliberate loss year, and the ATO refunds some of the tax you’ve just started paying.

Worked example. ProductCo Pty Ltd had a small profitable year in FY25 and paid $80,000 in company tax. In FY26 and FY27 it scaled hard, doubled headcount, and made a $300,000 tax loss in FY28. Under the new rules, ProductCo can carry that loss back, recover $75,000 of the FY25 tax it paid, and get a cash refund.

Why founders should care. The ATO refunds tax you’ve already paid, partly subsidising the cost of your investment year. For Series A and B startups returning to growth mode after a lean stretch, this materially changes the maths on when and how aggressively to reinvest.

What you need to know. Revenue losses only, not capital losses. The refund is capped at the company tax you’ve actually paid in the previous two years. You can only go back two years. It’s an election: carry-back is usually better for cash flow, but carry-forward can win if you’re expecting strong future profits. One important point on R&D: if you’ve been claiming R&D in profitable years, your tax-paid figure will be lower (since R&D offsets reduce it), so your carry-back refund will be smaller. The total cash benefit across both measures still wins, but the carry-back component on its own will look modest.

Stage 2: Loss refundability (new from FY29, first two years only)

The mechanic. From 1 July 2028, if your company is in its first two years of operation, has turnover under $10m, and makes a tax loss, you can convert that loss into a refundable tax offset. The refund is capped at FBT and PAYG withholding on Australian wages paid in that loss year.

Why. Fill the gap for brand new startups that have no profitable history, and reward Australian hiring at the riskiest stage of startup life. This measure sits on top of R&D refundability, extending the cash recovery into the rest of your losses that R&D doesn’t cover.

Worked example. NewCo Pty Ltd incorporates 1 July 2028. In FY29 it has $200k revenue, $700k of eligible core R&D, $500k of other operating spend, and pays $800k of Australian wages with $180k of PAYG withholding. The R&D refundable offset returns $336k cash (48% of $700k). On top of that, loss refundability returns another $180k cash, capped by the PAYG withholding figure. Total cash from one loss year: $516k against a $1m operating loss. The government effectively co-funds more than half the loss year.

Why founders should care. This is one of the very few tax measures genuinely designed for pre-revenue startups. It rewards two things: hiring Australian staff, and doing it early. The stack with R&D is where the real cash impact comes from.

What you need to know. Loss refundability is hard-wired to the first two years of operation. There are no extensions and no second windows once you pass that mark. The clock starts at incorporation, not first revenue or first hire. The refund is capped at FBT and PAYG withholding, so your Australian payroll directly drives how much you can claim.

Where do you sit right now?

You’re already operating (incorporated before July 2026)

Most of our client base. Loss refundability is gone since your company is past the two-year window before it opens. Your focus is loss carry-back from FY27 if you’ve paid company tax in the last two years, alongside the R&D rate uplift to 48% from FY29.

You just incorporated or are about to (late 2026 or 2027)

Depending on your exact incorporation date, one of your first two years may fall inside the new regime. That single year of loss refundability is worth claiming properly.

You’re pre-incorporation, with flexibility on timing

If you incorporate in July 2028 or later, you get two full years of stacked R&D plus loss refundability under the new rules. Incorporated before that, you’ll lose some or all of the loss refundability window. If you have genuine flexibility on when to incorporate, push past 1 July 2028.

This is general information, not advice. The rules above are technical and the right move depends on your specific situation.