Buying a business can be one of the fastest ways to become a business owner. You skip the startup phase, inherit customers, and start generating income sooner. However, buying a business in Australia also comes with tax, GST, legal, and financial responsibilities that can’t be ignored.
This guide walks you through everything you need to know — from due diligence and GST rules to tax planning and settlement — so you can buy with confidence and avoid costly mistakes.
Key Takeaways
- Most Australian business purchases are asset sales, not share sales
- Due diligence is critical to uncover hidden risks and liabilities
- GST can often be avoided using the “going concern” exemption
- Cash flow planning matters more than the purchase price
- Professional advice before signing can save significant money later
Why Buying a Business Can Be a Smart Move
Many people choose to buy a business instead of starting from scratch because it offers:
- An existing customer base and immediate cash flow
- Established systems, suppliers, and staff
- A proven business model with historical performance
However, you’re also inheriting past decisions, risks, and obligations — which is why proper checks are essential.
Step 1: Understand What You’re Actually Buying
Before signing anything, be clear about whether you’re buying:
- Assets only (equipment, goodwill, stock, brand), or
- Shares in a company (which includes all liabilities)
Most small business purchases in Australia are asset sales, as they limit exposure to unknown debts and historical issues. Everything included in the sale should be clearly listed in the contract.
Step 2: Due Diligence – The Most Important Step
Due diligence verifies that what the seller claims is accurate. Skipping this step is one of the biggest risks buyers take.
Financial Due Diligence
Review:
- Profit and loss statements (at least 3 years)
- Cash flow and profit margins
- Tax returns and BAS lodgements
- Outstanding loans or unpaid liabilities
Look for consistency between reported profits and actual cash flow.
Legal Due Diligence
Check:
- Business structure and ownership
- Licences and permits
- Lease agreements and renewal terms
- Supplier and customer contracts
Confirm the business has the legal right to operate as advertised.
Operational Due Diligence
Understand:
- Customer concentration risks
- Key staff and employment agreements
- Dependency on the current owner
- Systems, software, and processes
If the business relies heavily on the seller, a handover period or restraint-of-trade clause is often required.
Step 3: Tax Considerations When Buying a Business
Tax planning should happen before the purchase, not after.
Income Tax
The purchase price is usually allocated across assets such as:
- Equipment
- Stock
- Goodwill
Each category is treated differently for tax purposes, affecting:
- Depreciation claims
- Future tax deductions
- Overall tax efficiency
Poor allocation can unnecessarily increase your tax bill.
Capital Gains Tax (CGT)
CGT usually applies to the seller, but deal structure can influence:
- The final purchase price
- Negotiation leverage
- Settlement timing
Understanding CGT helps you negotiate smarter.
Step 4: GST and the “Going Concern” Advantage
A key question when buying a business is: Is GST payable on the sale?
A 10% GST charge on a $500,000 business means an extra $50,000 upfront, which can significantly strain cash flow.
Most transactions aim to qualify as a GST-free “going concern.”
To qualify:
- The business must operate up to settlement
- Both buyer and seller must be GST-registered
- The contract must state it is sold as a going concern
If these conditions aren’t met, GST may be added to the purchase price.
GST on Stock and Assets
If the sale isn’t a going concern:
- Stock and certain assets may attract GST
- You may need to fund the GST upfront and claim it back later
This can impact short-term cash flow.
Step 5: Financing and Cash Flow Planning
Even profitable businesses can fail without proper cash flow planning.
Consider:
- Working capital required after settlement
- Seasonal fluctuations
- Loan repayments and interest costs
- Unexpected repairs or upgrades
Lenders typically require realistic forecasts, not optimistic assumptions.
Step 6: Settlement, Transition, and Handover
After contracts are signed:
- Licences and registrations must be transferred
- Staff and suppliers should be formally notified
- Systems, passwords, and records must be handed over
A short transition period with the seller can reduce disruption and protect value.
Common Mistakes When Buying a Business
Avoid these frequent errors:
- Relying only on seller-provided figures
- Ignoring GST implications
- Underestimating working capital needs
- Skipping professional advice
- Rushing due to fear of missing out
Buying a business is a commercial transaction, not an emotional one.
People Also Ask
Is buying a business better than starting one?
Buying a business provides immediate cash flow and customers, but it also carries inherited risks. The right choice depends on experience, capital, and risk tolerance.
How much deposit do I need to buy a business in Australia?
Most lenders require a deposit of 20% to 40%, depending on the business type and financial performance.
Do I pay GST when I buy a business in Australia?
Not always. GST is usually excluded if the sale qualifies as a going concern and specific conditions are met.
How long does due diligence take?
Typically 30 to 90 days. Rushing due diligence is a common cause of buyer’s remorse.
What happens to the business name when I buy it?
If sold as a going concern, the business name is usually transferred to the new owner through ASIC.
Which professionals should I consult before buying a business?
An accountant, lawyer, and business adviser are essential to assess tax, legal, and financial risks.
Your Strategic Partner Before, During, and After the Sale
At Infinity22, we guide buyers through every stage of purchasing a business — from financial due diligence and GST structuring to tax planning and cash-flow forecasting.
If you’re thinking about buying a business, book a free call before you sign anything and get clarity, confidence, and peace of mind.
