2025 – 26: Stay Ahead of Your Business Financial & Tax Obligations with Unite Advisory

The financial year 2025 – 26 is already underway. Knowing what’s coming up and when is essential to compliance and tax planning for business owners, employers, and sole traders. This helps you manage cash flow and avoid any ATO penalties.

We have mapped out important dates month by month so you can plan, avoid any last-minute rushes and focus on growing your business.

  • 7th August – Payroll tax (Monthly return)
  • 21st August – Monthly BAS/IAS for July
  • 25th August – Q4 BAS 2025 (If you are lodging with Unite Advisory)
  • 28th August – TPAR (Taxable Payments Annual Report)
  • 8th September – Payroll tax (Monthly return)
  • 21st September – Monthly BAS/IAS for August
  • 7th October – Payroll tax (Monthly return)
  • 21st October – Monthly BAS/IAS for September
  • 28th October – Q1 BAS 2026 (If you lodge quarterly)
  • 28th October – Q1 SG Super Contributions (Payment should be made by 21st october)
  • 28th October – PAYG instalment (Q1)
  • 31st October – Final date for self-prepared individual tax returns
  • 7th November – Payroll tax (Monthly return)
  • 21st November – Monthly BAS/IAS for October
  • 25th November – Q1 BAS 2026 (If you are lodging with Unite Advisory)
  • 8th December – Payroll tax (Monthly return)
  • 21st December – Monthly BAS/IAS for November
  • 14th January – Payroll tax (Monthly return)
  • 21st January – Monthly BAS/IAS for December
  • 28th January – Q2 SG Super Contributions (Payment should be made the 16th January)
  • 2nd February – Tax return lodgement for large/medium entities
  • 9th February – Payroll tax (Monthly return)
  • 23rd February – Monthly BAS/IAS for January
  • 2nd March – Q2 BAS 2026
  • 2nd March – PAYG instalment (Q2)
  • 9th March – Payroll tax (Monthly return)
  • 21st March – Monthly BAS/IAS for February
  • 31st March – Company Tax Returns, income exceeded $2M last year lodged (Check with Unite Advisory)
  • 7th April – Payroll tax (Monthly return)
  • 21st April –  Monthly BAS/IAS for March
  • 28th April – Q3 BAS 2026 (If lodging quarterly)
  • 28th April – Q3 SG Super Contributions (Payment should be made by the 21st April)
  • 28th April – PAYG instalment (Q3)
  • 7th May – Payroll tax (Monthly return)
  • 15th May –  Final tax return deadline (Due date for all entities not lodged earlier, and not eligible for 5 June concession)
  • 21st May – Monthly BAS/IAS for April
  • 21st May – Fringe Benefits Tax return (FBT) (Lodgement via paper)
  • 26th May – Q3 BAS 2026 (If you are lodging with Unite Advisory)
  • 5th June – Final lodgement & payment date, if concessions apply
  • 8th June – Payroll tax (Monthly return)
  • 21st June – Monthly BAS/IAS for May
  • 25th June – Lodge & Pay FBT return (If you are lodging with Unite Advisory)
  • 30th June –  SG Super Contributions must be paid to qualify for tax deduction (Payment should be made by the 23rd June)

Need clarity around your business tax obligations this year?

Keeping track of what’s due and when is crucial for businesses. At Unite Advisory, we’re here to help you confidently plan and meet your business obligations and make informed decisions that support your business every step of the way.

Reach out to your local Unite Advisory office for tailored business support.