Tax Season in Australia: What Companies, Businesses & Sole Traders Need to Know
Tax season doesn't look the same for every business. A company, a small business partnership, and a sole trader all sit under the same ATO calendar — but the obligations, paperwork, and risks each one faces can be quite different.
Understanding which rules apply to your structure isn't just about compliance. It's about making sure you're not overpaying, under-preparing, or missing something your entity type is specifically exposed to.
Here's how tax season breaks down across the three most common business structures in Australia.
Companies
Companies face the most structured — and often the most complex — reporting obligations of the three.
What applies to you:
- Company tax is a flat rate (currently 25% for base rate entities, 30% for others) — not dependent on the owner's personal income like a sole trader.
- Company tax returns are generally due by 28 February for companies not using a tax agent, or later if lodging through a registered agent's program.
- Directors have separate obligations, including Director ID requirements and personal liability exposure for unpaid PAYG and SG amounts under the Director Penalty Notice regime.
- Franking credits and dividend distributions add another compliance layer if the company pays dividends to shareholders.
What to prepare now: Reconcile trial balances, confirm any Division 7A loan repayments are on track, and review whether retained profits should be distributed or reinvested before year-end.
Businesses (Partnerships & Trusts)
Partnerships and trusts sit in the middle — they lodge a tax return, but generally don't pay tax at the entity level. Instead, income flows through to partners or beneficiaries.
What applies to you:
- The entity itself lodges an information return, but tax is paid by the individuals/entities receiving the distributed income.
- Trust distribution resolutions must generally be finalised before 30 June — missing this can result in the trustee being taxed at the top marginal rate on undistributed income.
- Partnerships need clear, documented profit-sharing arrangements, especially if they've changed during the year.
- GST and PAYG withholding obligations still apply at the entity level if registered and employing staff.
What to prepare now: Confirm trust resolutions are drafted and signed before the cut-off, and review partner drawings against actual profit share to avoid surprises at tax time.
Sole Traders
Sole traders have the simplest legal structure — but that doesn't mean the simplest tax outcome, since business income is taxed at personal marginal rates.
What applies to you:
- Business income and expenses are reported on your individual tax return (via a business schedule), not a separate entity return.
- There's no company tax rate to fall back on — profit is taxed progressively, which can mean a heavier tax burden in a strong year.
- PAYG instalments are common for sole traders once income crosses ATO thresholds, meaning tax is paid throughout the year, not just at lodgment.
- Superannuation isn't compulsory for yourself as a sole trader, but voluntary contributions can be a valuable tax-planning lever.
What to prepare now: Review whether your income level this year makes moving to a company or trust structure worth exploring, and check your PAYG instalment amount reflects your actual current income.
The One Thing All Three Have in Common
Regardless of structure, the businesses that move through tax season smoothly all do the same three things:
- Keep records current, not retrospective. Monthly reconciliation beats a scramble every June.
- Know their specific lodgment dates. "Tax season" isn't one date — it's a calendar of dates that differs by structure and lodgment method.
- Talk to their accountant before decisions, not after. Structure changes, distributions, and large purchases are far easier to plan for than to undo.
The Getting the Right Structure Working for You Line
Whether you're a company managing director obligations, a trust finalising distribution resolutions, or a sole trader weighing up whether it's time to incorporate, the right guidance early in the year makes tax season a formality rather than a fire drill.
Rbizz Corporate Accountants works with companies, partnerships, trusts, and sole traders across every stage of the tax calendar — schedule a free consultation to see where your business stands.
