You’ve found a business you think you’ll enjoy. It’s in an industry you know, it appears profitable, and you’re excited about the opportunity. But before you sign on the dotted line, it’s crucial to step back and ensure the business is truly what it seems.
Buying a business can be one of the most rewarding decisions you’ll ever make — but it’s also one of the riskiest if you don’t do your homework. This is where thorough due diligence comes in.

Spotting Warning Signs Before You Commit
As part of your due diligence process, stay alert for these red flags:
- Figures don’t match tax returns or BAS – This may indicate undeclared cash income, making it hard to verify the true financial position. Always cross-check financial statements with official lodgements and confirm tax obligations are up to date.
- Falling turnover or customer numbers – Review at least three years of financials. Declines in revenue, customer volume, or average spend per customer need close investigation — particularly if the business relies heavily on a small client base.
- Industry downturns – Research the market outlook for both the industry and the region. Reports from sources like IBISWorld can provide valuable insight. Consider local trends such as population changes if the business is location-dependent.
- Withheld information – If sellers refuse to share important details or introduce you to key suppliers, landlords, or staff, take this as a serious warning sign.
- No trial period or restricted access for due diligence – Sellers rushing the process or limiting your investigation could be hiding issues.
- Pending legal proceedings – Understand the nature, risks, and potential costs of any litigation. Legal action often signals significant risk.
In short: if you see these signs, don’t ignore them. Sometimes the best decision is to walk away.
What Due Diligence Really Means
Due diligence is more than a quick review of financial statements. It’s a detailed verification, investigation, and audit of all relevant aspects of the business. In mergers and acquisitions, it’s a standard process designed to confirm that all claims, financial data, operational details, and compliance obligations are accurate.
Done properly, due diligence:
- Confirms and verifies information – Ensures claims made during negotiations are correct and supported by evidence.
- Identifies defects or hidden risks – Brings potential liabilities, operational weaknesses, and compliance issues to light before you commit.
- Supports accurate valuation – Informs the financial model by examining assets, liabilities, cash flows, and market conditions.
- Checks legal and regulatory compliance – Confirms the business meets all applicable laws, licences, and regulations.
Why Use an Independent Practitioner
While you could attempt to do some checks yourself, engaging an independent professional provides significant advantages:
- Objective verification of assumptions and projections – Professionals stress-test forecasts, benchmark performance against industry data, and assess risk factors.
- Greater credibility in negotiations – Buyers and sellers alike take an independent assessment more seriously, which can help smooth deal-making.
- Specialist knowledge of compliance – Experienced practitioners can spot regulatory, contractual, or environmental issues that might otherwise be missed — including those with costly consequences post-purchase.
This independent perspective adds depth to your understanding, mitigates risk, and can ultimately protect both your investment and reputation.
The Bottom Line
Buying an established business isn’t just about finding one you like — it’s about ensuring it’s the right fit financially, operationally, and strategically. A thorough due diligence process, supported by independent expertise, helps you:
- Confirm the business’s true financial position
- Identify hidden risks or liabilities
- Validate its market position and growth potential
- Ensure compliance with all relevant laws and regulations
- Avoid costly mistakes that could derail your investment
At Accru, we help buyers conduct comprehensive due diligence so you can proceed with confidence. Our team combines financial analysis, risk assessment, and industry insight to give you a clear, reliable picture before you buy. Thinking about purchasing a business? Contact your local Accru office to discuss how we can support your due diligence and help you make a well-informed decision.