A business can look profitable on paper and still carry risks that change its value. Due diligence for buying a business in Australia means independently reviewing its financial records, operations and legal documents before signing a sale contract. Examine three to five years of financial records to understand how the business has performed over time.
It’s natural to feel excited about an opportunity and cautious about what you might be taking on. When buying a business, due diligence in Australia helps you make the decision with a clearer picture of the business, rather than relying only on the seller’s summary.
This guide explains how to assess finances, legal obligations, customers, assets, employees, liabilities and value. You’ll also see how to organise the checks into practical steps, so you can move forward with greater confidence and keep your wider business and lifestyle goals in view.
Key Takeaways
- Review several years of financial records and compare them with bank activity to understand the business’s earnings and cash needs.
- Look beyond the accounts: assess customer relationships, asset ownership, employee obligations and whether key agreements can transfer.
- Investigate potential liabilities, including tax arrears, unpaid employee entitlements, lease obligations and claims connected with the business.
- Compare market-based, asset-based and income-based valuation approaches to test whether the asking price reflects the business’s risks and prospects.
- Use your findings to shape the purchase terms and decide whether the opportunity supports both your business plans and your life goals.
What is due diligence when buying a business?
Due diligence is a structured review of a business’s finances, records, operations and legal documents before you sign a sale contract. Start early to understand what you’re buying and use verified findings to guide your decision.
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Review the Seller’s Financial History
Request the seller’s original financial statements, tax returns and profit and loss records, then compare results across three to five years. Look for sharp changes in sales, margins or expenses and trace them to supporting records rather than relying on a summary. Review at least three years of previous tax returns and check whether reported income aligns with sales records and bank activity.
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Normalise Earnings
Recalculate earnings to estimate the profit the business could reasonably produce under new ownership. Separate unusual, non-recurring income or expenses from normal operations, and test each adjustment against invoices, payroll records or other evidence. For example, a one-off repair may not reflect ongoing costs, while removing the owner’s wages without allowing for replacement labour can overstate sustainable earnings.
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Compare Valuation and Projections
Use verified financial history to test the asking price and the seller’s projections. Compare earnings before interest and tax, asset value and projected cash flow, then examine major growth drivers over the next four years. If a forecast assumes higher sales, identify the customers, capacity or investment needed to support that increase. Treat unsupported growth assumptions as risks, not established income.
- Build a complete financial picture before deciding what the records support. Compare the balance sheet, profit and loss statement and cash flow statement, then reconcile them with historical bank statements, tax filings and sales records. Check aged debtor and creditor lists for overdue amounts that could affect cash available after settlement. Monthly cash flow reports can help estimate working capital needs: a profitable business may still face timing gaps between customer payments and bills.
- Assess how you’ll fund the purchase and keep the business operating after handover. Compare available cash with borrowing requirements and the working capital indicated by monthly cash flow. Consider whether staggered payments, a retention amount or a performance-based earn-out could bridge a gap between the seller’s expectations and verified results. Set your maximum purchase price before negotiating, and model repayments against realistic cash flow rather than optimistic projections.
Financial, legal, customer, asset and employee due diligence
Test whether the records, agreements and people behind the business support its success. Review each area before deciding what the purchase structure should include.
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Check Asset Ownership and Transferability
List every asset included in the sale, then match it to ownership records, invoices or finance documents. Search the Personal Property Securities Register (PPSR) for security interests over equipment and other assets. A machine may be on the premises but still subject to a lender’s interest. Confirm how each item will transfer and ensure the sale contract identifies the included assets.
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Review Assets, Intellectual Property and Inventory
Inspect machinery and equipment for condition, working order and required licences. Check stock levels, storage and handling, and whether inventory is included, in good condition and fully paid for. Identify the intellectual property the business actually owns, such as trade marks, website content or software. A registered business name is not the same as a trade mark, so verify ownership and transfer arrangements separately.
- Compare an asset purchase with a share purchase before choosing the structure. In an asset sale, you can select particular assets and liabilities. In a share sale, the existing legal entity transfers along with its liabilities. Review the contract’s asset schedule and identify which obligations remain with the seller or move to you. The structure affects what you acquire, the capital required and the risks you carry.
- Test customer stability rather than relying on sales totals alone. Identify whether revenue depends heavily on one or two clients, then check whether those relationships belong to the business or depend on the current owner. Review customer contracts for transfer conditions and ensure databases and mailing lists are handled in line with privacy requirements. Public reviews and customer conversations can also reveal service issues that financial records won’t show.
- Review employee records alongside the roles essential to daily operations. Check pay rates, award or enterprise agreement coverage, leave balances and superannuation payment status. Look at staff turnover and workplace relationships over the last four years. These findings can affect continuity after settlement, especially when important knowledge sits with one employee. Confirm which employees will transfer and account for their existing entitlements in your purchase assessment.
- Map the remaining legal and financial exposure before settling the terms. Review outstanding litigation involving the business or its owners, supplier obligations, customer commitments and lease conditions. Check whether key contracts require consent to transfer. Consider tax obligations, including income tax, GST, PAYG withholding, stamp duty and payroll tax. The Bucket List Accountant’s Business Tax Advisory and Accounting can help connect purchase structure with tax and accounting considerations.
What Hidden Liabilities Should You Watch For?
Look beyond the purchase price: tax arrears, employee entitlements, leases and contracts can create liabilities after settlement.
In Australia, due diligence often takes four to 12 weeks, depending on the business’s size and complexity. A sale contract may allow a shorter review period, generally 5-10 business days after signing, so understand its conditions before agreeing to them.
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Review Key Contracts and Agreements
Read customer, supplier and service agreements to identify obligations that continue after completion. Check whether assignment needs consent or whether a change of control gives another party termination rights. For a shop, review the lease for assignment conditions, rent reviews, outgoings, make-good obligations and security requirements. A low rent today may not tell the whole story if a review or costly make-good clause is approaching.
Also assess whether important customer or supplier relationships rely on informal promises. This matters especially when the business depends on 1-3 customers or suppliers. Identify contracts supporting those relationships, then record any required consent or introduction in the transaction documents.
- Check tax and employment exposures against records, not verbal assurances. Investigate income tax, GST, PAYG withholding, payroll tax and fringe benefits tax obligations, including arrears or unresolved queries. For employees, compare pay rates with applicable award or enterprise agreement coverage. Confirm leave balances and superannuation payment status. Unpaid wages or super can create pressure immediately after handover, even when current trading appears stable.
Include possible claims, too. Review unresolved lawsuits, customer obligations and environmental liabilities connected with the business or its premises. Match each finding to a document, responsible party and proposed contract response. This helps you assess which liabilities transfer, remain with the seller or may require a price adjustment.
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Check Contract Conditions and Protections
Before signing the sale contract, ask for specific seller warranties and indemnities. Warranties address statements about the business; indemnities can allocate responsibility for defined losses. The contract can also include a due diligence condition allowing termination if you discover an issue that could seriously affect the business’s success.
Use clear contingencies for finance approval, lease assignment, transfer of key contracts and release of PPSR registrations. If seller information proves inaccurate or misleading, contract terms should explain the available response. Where revenue depends on informal customer relationships, make key customer introductions a condition before completion.
- Set the review timetable as soon as you receive access under a letter of intent or heads of agreement. Start with high-impact records, such as tax accounts, employee details and contracts, then follow up on gaps while there’s time to respond. Although reviews can span several weeks, a contract’s 5-10 business day due diligence period may leave little room for delay.
Keep a dated register of requests, findings and unresolved risks. If a lease transfer or supplier consent remains outstanding, note who must act and by when. Raise material findings before signing or within the contract’s review window, so the agreed protections reflect the actual risks.
ASIC compliance and intellectual property checks
Check that the business can lawfully operate and that its records support ongoing obligations. Treat licences, registrations, tax reporting and intellectual property as separate parts of your purchase review.
- Search the company details and ASIC records to compare the vendor’s information with the entity you may acquire. Review whether ASIC compliance requirements are up to date, and note any filing or governance issues that could affect the transaction. If you’ll become a director, understand that the Corporations Act imposes a duty of care and diligence on incoming directors. Add unresolved company matters to your risk register.
- List the licences and permits required for the business’s actual operations, then check that each is current. Confirm whether a licence or permit can transfer to you or whether you must reapply after settlement. A permit tied to a particular owner, premises or activity may not support your plans unchanged. Include approval steps and timing in your handover plan, especially when trading depends on that authorisation.
- Search IP Australia records for relevant trade marks and patents, then compare the results with the seller’s claims. Identify who owns each intellectual property asset and whether the purchase documents transfer it. Check the business name separately: a registered business name is not the same as a trade mark. Also list website domains, software and other digital assets, and establish which accounts or rights need to transfer for operations to continue.
- Reconcile tax returns, business activity statements, sales records and accounting statements. Review the last four years of tax returns and supporting schedules, and check whether the ATO audited the business during that period and what the outcome was. Confirm income tax, GST, PAYG withholding, stamp duty and payroll tax obligations are current and paid. Compare reported liabilities with recorded payments, since unpaid amounts can reduce cash flow after completion.
- Assess whether the bookkeeping process can support accurate reporting and future growth. Compare BAS figures with the sales and expense entries behind them; investigate unexplained differences. Review monthly cash flow reports to understand whether the business can meet regular commitments after handover. Check whether its software meets requirements due to take effect in the months after purchase. Identify system changes, reporting gaps and staff knowledge needed to maintain reliable records.
Business valuation approaches
Use more than one valuation method to test whether the asking price fits the evidence. Compare the results with your plans, available capital and the risks identified during due diligence.
- Compare similar businesses. A market-based valuation compares sale prices for similar businesses and average industry valuations for businesses of similar size and turnover. Check whether examples reflect the business’s location, customer mix, assets and recent performance. For sector-specific purchases like hospitality, reviewing dedicated listing platforms such as restaurantforsales.com can provide useful insight into how inventory, equipment, and lease terms are typically structured in asking prices. Differences in scale or customer concentration can make a comparison less useful. Use comparable sales as a reference point, not a substitute for reviewing this business’s records and operations.
- Value assets and liabilities. An asset-based valuation can offer one perspective on the business’s assets and liabilities. Review the condition and ownership of equipment, stock and other included assets. Consider whether recorded values reflect current market value. This method can help assess an asset-heavy business, but may not capture future profit or the value of customer relationships.
- Test future income. An income-based valuation assesses cash flow and expected future profits, discounting future economic benefits to calculate a present valuation. Trace each forecast to its assumptions: sales growth, operating costs, customer retention and required investment. For example, projected profit may rely on a major customer renewing an agreement. If renewal is uncertain, adjust the forecast rather than treating the income as established.
- Bring the methods together. Compare market, discounted cash flow and asset-based results. Business advisory specialists recommend using two or three valuation methods and averaging the results to estimate fair value. Treat the average as a guide, then examine why the methods differ. An accountant can help connect verified earnings, liabilities and cash flow assumptions to the valuation while keeping the purchase price separate from your available capital.
- Set your negotiating position. Decide your maximum price before negotiating, based on the evidence and the return the business can support. Consider your priorities as a buyer: the assets you need, the risks you’re prepared to accept and the growth plans you can fund. If the seller’s expectations exceed the valuation evidence, explore whether payment terms can bridge the gap without relying on unsupported projections. Consider how the decision fits your financial and personal goals.
The Bucket List Accountant: Business Coaching & Strategy
The Bucket List Accountant can help you connect a business purchase with your financial and lifestyle goals. After reviewing the records, liabilities and valuation, our Business Coaching & Strategy can help you assess how the opportunity fits your plans and the role you want the business to play in your life.
Consider our Business Tax Advisory and Accounting when weighing purchase structure, tax implications or the effect of an acquisition on cash flow. With a clearer financial picture, you can decide which questions need further attention and build practical next steps.
If you’re ready to explore how the decision fits your goals, contact The Bucket List Accountant.
Make Your Next Move With Purpose
A purchase is not only a financial decision. It can reshape your time, responsibilities and plans for the future. Before moving ahead, write down what you want business ownership to make possible, then consider whether this opportunity supports those priorities. That personal lens can help you stay focused when negotiations feel urgent or exciting.
Due diligence when buying a business in Australia is most useful when its findings inform a realistic ownership plan. The Bucket List Accountant offers Business Coaching & Strategy, Business Tax Advisory and Accounting, and Small Business Accounting to help connect your purchase decision with business direction and ongoing financial management in Warrnambool, Geelong and Colac.
Bring your goals and open questions into your next conversation. Consider how you’ll balance business demands with the life you want beyond work, and what practical steps could help you move forward with intention. You don’t need every detail mapped out to take a thoughtful next step. Contact The Bucket List Accountant to explore a path that fits your ambitions.
Frequently Asked Questions
Can I do due diligence myself?
Yes, you can lead the review and organise the records, but complex financial or legal questions need specialist assessment. Start by building a document register, noting what you’ve received and what remains unclear. For example, compare customer invoices with deposits, then seek accounting or legal advice on unexplained differences, contract terms or tax exposures. Your own review helps you ask focused questions and make informed decisions.
How much does due diligence cost?
Due diligence costs depend on the transaction’s complexity, the quality of the records and the scope of professional work required. A straightforward review of organised accounts differs from one involving incomplete bookkeeping, multiple entities, extensive contracts or significant asset checks. Clarify which tasks are included in any engagement and whether accounting, legal or valuation work is separate. Keep the review scope aligned with the business’s risks and purchase structure.
What happens if due diligence reveals problems?
Use each finding to decide what should change before completion. For example, if equipment needs repair, you could seek a price adjustment or require an agreed remedy. Unpaid tax or unclear customer commitments may call for stronger contract protections, revised payment terms or further investigation. Record the evidence and discuss the finding before deadlines pass. If the issue changes the business’s viability, reconsider whether the opportunity still fits your plans.
Why is due diligence important?
Due diligence helps you base a major decision on evidence rather than confidence alone. It can reveal whether the business’s day-to-day reality matches its presentation, including the time and resources you’ll need after handover. That matters if your goal is to build a sustainable business around family or lifestyle priorities. A clear record of findings also gives you a stronger basis for setting expectations with the seller.
What due diligence should buyers conduct before purchasing a business in Australia?
Assess the business across finances, tax, contracts, staff, customers, assets, intellectual property, licences and operations. For a business in Warrnambool, Geelong or Colac, consider how local customer patterns and premises affect its trading assumptions. Match each risk to evidence, then note who must resolve it and how the sale documents will address it. Focus first on issues that could interrupt trading or change your purchase decision.
What financial records and tax documents should buyers review when buying an Australian business?
Review financial statements, profit and loss reports, balance sheets, cash flow statements, tax returns and business activity statements. Add bank statements, sales records, accounts receivable and payable, payroll records, loan documents and tax-account correspondence. Compare totals across sources. For example, investigate a BAS sales figure that doesn’t reconcile with sales reports or bank deposits. Supporting schedules and workpapers can help explain how reported figures were calculated.
How do you value a small business in Australia, and what are typical valuation multiples?
Value a small business by comparing market transactions, asset values and expected income, then test the assumptions behind each result. There isn’t one typical multiple that fits every business. A profit-based multiple depends on consistent earnings and comparable businesses. Owner dependence, customer concentration, transferability and investment needs can all affect the assessment. Treat any multiple as one input, not a standalone answer or a substitute for checking the business’s records.
What are the legal due diligence requirements for an Australian business acquisition?
Legal due diligence depends on whether you’re buying assets or shares and on the business’s contracts and obligations. Review the sale agreement, lease, employment arrangements, customer and supplier contracts, licences, disputes and intellectual property ownership. Identify clauses requiring consent or allowing termination after a sale. The findings should shape the contract’s conditions, warranties and indemnities. Get legal advice on the transaction documents and any issue that could affect your rights or obligations.
The information on this website is general in nature and is provided for information purposes only. It is not legal, financial or professional advice. You should obtain specific, independent advice relevant to your circumstances.
Article by
David Patterson
With more than three decades of experience helping business owners grow profitable, sustainable businesses, he focuses on one simple idea: Your business should give you a life, not take one away.
David works with small business owners who are doing okay but feel stretched, time-poor, or stuck. He helps them regain control of their numbers, build stronger systems, and create the financial freedom to start ticking off the things that matter most, now... not "someday".
He is the creator of the Bucket List Business Program, host of The Bucket List Accountant Podcast, and a passionate believer that success isn’t measured by revenue alone, it’s measured by the life your business allows you to live.
Disclaimer
“The information on this website is general in nature and is provided for information purposes only. It is not legal, financial or professional advice. You should obtain specific, independent advice relevant to your circumstances.”