Taxation
December 5, 2025

ATO Data Matching Enhancements: What Small Business Owners Should Be Aware Of

Kyle Bonerath
Accountant & Registered Tax Agent

The ATO’s technology continues to evolve, and recently their data-matching systems have reached a new level of sophistication. For small business owners, what this means is that the ATO now has a broader and more detailed view of your financial activity than ever before. Whether your income comes through traditional business channels, work on the side, online platforms, or digital assets, it’s increasingly likely that the ATO already holds a version of that information before your tax return is even lodged.

A more connected tax system

At its core, data matching is the ATO’s way of checking the information you declare against information sourced from the wider economy. Banks, super funds, employers, government agencies, ride-share and short-stay platforms, eCommerce providers, and cryptocurrency exchanges all supply regular streams of data. These feeds allow the ATO to compare what you report with what is actually occurring behind the scenes.

This means discrepancies are identified much earlier. A deduction that doesn’t align with your bank statements, unreported income from a digital platform, or unexpected fluctuations in business activity can now be flagged almost instantly.

What’s changed recently

Recent enhancements give the ATO a clearer, more granular view across several areas:

Digital platform income 

This is now reported in much greater detail. Ride-share, delivery apps and short-stay accommodation providers send the ATO itemised records of trips, bookings, host payouts, cancellation fees and platform charges. Even low-frequency earners, like someone who rents out their home for two weekends a year, are captured.

Marketplace sales 

Marketplace sales are also under closer review. Selling goods on platforms like eBay, Etsy, Shopify or Facebook Marketplace may now be cross-referenced against ABN registrations, GST turnover thresholds and business activity patterns.

Crypto activity 

Crypto activity is being tracked far more comprehensively. Exchanges must now provide transaction histories showing swaps, transfers between wallets, staking rewards, and realised gains. Even movements that never touch your bank account may have tax consequences.

Bank transactions

Financial institution reporting has expanded to include more detailed interest data, large transaction movements, and loan information. This allows the ATO to quickly identify mismatches between deductions claimed and how assets were financed.

Cash-heavy industries

Industries like construction and hospitality, are being analysed through industry benchmarks and digital payment data. If a business consistently reports revenue well below what would normally be expected for its size, staffing or purchasing patterns, the ATO can trigger a review.

Where businesses can slip up

Many issues arise simply because business owners don’t realise these items are reportable.

For example, someone might rent out a spare room, sell unused tools online, or drive for Uber to fill quiet periods. Individually these may feel insignificant, but the platforms report every dollar earned, and the ATO expects to see it declared.

Crypto creates similar problems. Business owners often assume that swapping tokens or transferring assets between wallets is not a taxable event, but under tax law many of these movements create capital gains implications.

Asset purchases can also pose issues when GST credits are claimed without supporting invoices, or when assets are personal in nature but claimed as business deductions. Because vehicle purchase data is now supplied directly to the ATO, incorrect classifications are identified very quickly.

Staying ahead of ATO queries

The good news is that staying compliant doesn’t have to be complicated. Consistent, organised record-keeping is still the strongest protection. Modern accounting software makes it easier to keep everything in one place, ensuring your bank transactions, invoices, income streams and deductions tell the same story the ATO sees.

If you earn income outside your main business, whether that’s an online marketplace, a short-stay rental, or a gig-economy platform, it should be included in your tax return just like any other revenue source. The ATO’s systems don’t distinguish between “main business” and “side hustle” when the data arrives.

Crypto investors should take extra care to keep track of every movement, not just purchases and sales. Many taxable events don’t involve money arriving in your bank account, which is why detailed records are essential.

When to ask for help

Tax rules are becoming more complex, not less, and the ATO’s technology is catching up quickly. If you’re unsure whether your reporting processes are up to date, or you’re concerned about how these expanded programs might affect you, a conversation with us can give you clarity before the ATO raises any questions.

At Bonerath & Co., our role is to help you understand these changes and ensure your business is well-prepared. Good systems, good advice, and good records go a long way toward keeping your tax compliance simple and stress-free.

Fire your friend, your uncle, 
your neighbour's dog, and yourself.

Meet your dedicated accountant today and save relationships, time and money.