Your Business Tax Calendar: July to December 2025

Running a business is demanding. Staying on top of tax and payroll deadlines does not have to add to the stress.

We have compiled the essential ATO, BAS, superannuation and Victorian payroll tax dates for July to December 2025 — all consolidated in one convenient guide. Use this resource to avoid penalties, manage your cash flow effectively, and maintain confidence in your compliance obligations.

Let us walk through it month by month.

July 2025 – Launch the New Financial Year Successfully

• 14 July – Finalise Single Touch Payroll (STP) for most employers

• 21 July – Lodge and pay your June monthly BAS and PAYG instalments

• 28 July

  • Superannuation contributions for the June quarter must be received by the fund

  • Lodge June quarter BAS (if not using a tax or BAS agent)

  • Lodge your Victorian annual payroll tax reconciliation

• 31 July – Lodge Victorian Long Service Leave levy return (for applicable industries)

Tip: Finalising STP promptly ensures your employees can access their income summaries without unnecessary delays.

August 2025 – Focus on Reports and Superannuation Compliance

• 7 August – Lodge and pay July Victorian payroll tax

• 14 August

  • Lodge PAYG withholding annual report (if not using an agent)

  • Lodge Employee Share Scheme report

• 21 August – Lodge July monthly BAS

• 28 August

  • Lodge June quarter BAS (if using a tax/BAS agent)

  • Lodge Taxable Payments Annual Report (TPAR)

  • Lodge Superannuation Guarantee Charge statement (if superannuation was not paid on time)

Wondering if TPAR applies to your business? It commonly affects construction, cleaning, courier and IT services. Contact us if you need clarification.

September 2025 – Time for Strategic Review

• 7 September – Lodge and pay August Victorian payroll tax

• 21 September – Lodge August monthly BAS

• 30 September

  • Lodge PAYG summary annual report (if using an agent)

  • Lodge TFN withholding report (for closely held trusts)

October 2025 – Quarter-End Obligations

• 7 October – Lodge and pay September Victorian payroll tax

• 21 October

  • Lodge September monthly BAS

  • Lodge and pay September quarter PAYG instalments

• 28 October

  • Lodge September quarter BAS (if not using an agent)

  • Superannuation contributions must be received by the fund

  • Lodge TFN withholding annual report

• 31 October

  • Final deadline to lodge overdue tax returns

  • Lodge PAYG withholding report (for payments to foreign residents)

  • Lodge TFN report for closely held trusts (if applicable)

  • Register with a tax agent to qualify for extended lodgement deadlines for your 2025 tax return

Important note: October represents one of the year's busiest compliance periods. Plan ahead and avoid last-minute lodgement stress.

November 2025 – Maintain Momentum and Stay Current

• 7 November – Lodge and pay October Victorian payroll tax

• 21 November – Lodge October monthly BAS

• 25 November – Lodge September quarter BAS (if using a tax/BAS agent)

• 28 November – Lodge Superannuation Guarantee Charge statement (if first quarter superannuation payments were missed)

December 2025 – Complete Year-End Requirements Before the Break

• 1 December – Income tax due for large and medium companies and superannuation funds

• 8 December – Lodge and pay November Victorian payroll tax

• 21 December – Lodge November monthly BAS

• 31 December – Victorian land tax year concludes

Smart strategy: Lodge early so you can genuinely disconnect during the holiday period.

We Are Here to Support You

If you are feeling overwhelmed by deadlines or uncertain which obligations apply to your specific business, please reach out. At SAACS, we assist business owners in maintaining compliance, avoiding penalties, and managing taxation responsibilities with confidence.

Contact us for a consultation or call us today. We will handle the boring details, allowing you to focus on growing your business.