Blog

An ATO market valuation is only as strong as the evidence behind it. For Australian business owners, directors, accountants, and advisers, understanding how the Australian Taxation Office views market value is critical because valuation outcomes can affect CGT, small business CGT concessions, Division 7A issues, superannuation reporting, and the defensibility of related-party transactions. A valuation that is methodical, supportable, and aligned with recognised standards is far more likely to withstand scrutiny than one based on guesswork or a superficial multiple.

What the ATO Means by Market Value

In an Australian tax context, market value generally refers to the price that would be agreed between a willing buyer and a willing seller, acting knowledgeably and independently, without compulsion. That principle sounds simple, but in practice it demands disciplined valuation work because private businesses rarely trade on a perfectly transparent market. The valuer must consider the specific business, its earnings quality, asset base, customer concentration, growth outlook, and risk profile, rather than relying on broad industry averages.

The ATO expects market value to be determined on an objective basis. For a privately held business, this usually means supporting the conclusion with one or more accepted valuation methodologies, together with reasoning that explains why the selected approach is appropriate. A valuation engagement carried out under APES 225 Valuation Services provides a professional framework for this work, including the scope of the engagement, the use of assumptions, and the level of assurance provided to the intended user.

Why Defensibility Matters in Practice

In tax matters, the question is not merely whether a figure looks reasonable. The real test is whether the valuation can be defended if the ATO asks how it was reached. This matters in capital gains tax calculations, the small business CGT concessions, the 15-year exemption, active asset tests, Division 7A related-party transactions, and the GST treatment of business sales as a going concern. It also matters when a business interest is held through an SMSF, especially where Division 296 may require current market valuations for business assets, business real property, or shares in a privately held company.

A defensible valuation is one with a clear logic chain. The valuer should explain the valuation date, the subject interest, the definition of value adopted, the financial information reviewed, the normalisation adjustments applied, and the rationale for any discounts or premiums. If the conclusion depends on a capitalisation rate, discount rate, or earnings multiple, those inputs must be tied to the business’s actual risk and market evidence, not to a generic benchmark pulled from a database without context.

Methods the ATO Expects to See Properly Applied

Income-based approaches

For operating businesses, income-based methods are often the most persuasive because they reflect the economic benefits the business is expected to generate. Common approaches include capitalising maintainable earnings or using a discounted cash flow (DCF) model. A capitalisation method may suit stable businesses with steady performance, while DCF is often more appropriate where cash flows are variable, growth is material, or a business is going through a transition.

In both cases, the quality of the maintainable earnings is crucial. A proper valuation engagement will normalise EBITDA or SDE for owner-specific expenses, non-recurring items, unusual salaries, and other distortions. For example, where a private business pays the owner below market salary, the valuer may need to adjust earnings upward to reflect a sustainable replacement cost. Working capital requirements should also be considered, because a business that needs more cash to sustain growth is not equivalent to one that can operate with minimal reinvestment.

Market-based approaches

Market evidence can be valuable where enough comparable transactions exist. EBITDA multiples, SDE multiples, revenue multiples, and ARR multiples are frequently discussed in Australian deal activity, but they are only meaningful when adjusted for the subject company’s risk and growth characteristics. A software business with strong net revenue retention (NRR), low churn, and recurring revenues may support a revenue multiple that would be inappropriate for a cyclical manufacturing business. Likewise, a mature service business with moderate growth and high owner dependence may trade on a lower EBITDA or SDE multiple than a diversified company with contracted revenue.

Precedent transactions and industry comparables are informative, but they are not substitutes for valuation judgements. A comparable multiple of 5.0 times EBITDA may sound attractive, but if the comparables are larger, more diversified, less leveraged, or more scalable than the subject business, the valuation must be adjusted accordingly. The ATO is unlikely to accept a simplistic comparison without evidence explaining why the subject business merits that multiple.

Asset-based approaches

For some private businesses, particularly asset-intensive or underperforming businesses, an asset-based approach may be relevant. This can be important where the business’s value is driven primarily by property, plant, equipment, or investments rather than by recurring earnings. In a tax context, the valuation of business real property or surplus assets can be especially significant. However, an asset-based conclusion should still reflect market value, not book value, and should include an assessment of whether intangible value exists above net tangible assets.

What Makes a Valuation More Defensible to the ATO

The ATO generally looks favourably on valuations that are contemporaneous, well documented, and performed by an independent qualified valuer. Independence matters because related-party transactions, restructures, family succession planning, and internal reorganisations can create incentives to overstate or understate value. A valuation that has been prepared for tax purposes should therefore be based on objective evidence and clearly recorded assumptions.

Several practical factors strengthen defensibility. The financial statements should be reviewed for consistency and then adjusted where necessary to reflect normal trading conditions. The valuation date should match the tax event or reporting date. Any forecast financials should be tested for plausibility and linked to historical performance, backlog, market demand, and management capability. If the valuer uses a discount rate, capitalisation rate, or risk premium, that input should be reconciled to the business’s size, concentration, cyclicality, and financing structure. For example, a smaller private business will typically warrant a higher required return than a larger listed peer because private company risk, key person dependence, and marketability constraints are usually greater.

Discounts for lack of marketability and control can also be relevant, but they should not be applied mechanically. The size and nature of the interest being valued matter. A minority shareholding in a privately held company may justify a lower value than a controlling interest because the holder cannot direct distributions, sales, or strategic change. By contrast, a controlling interest may attract a premium if control confers genuine economic benefits. The valuer must analyse the rights attached to the share class or ownership interest before deciding whether a discount or premium is appropriate.

Australian Tax and Regulatory Considerations

Australian business owners often need valuations because a tax event, restructure, or retirement strategy depends on market value. CGT interactions are common, particularly where a business is sold, transferred to a related party, or used in succession planning. The small business CGT concessions, including the 15-year exemption and the active asset rules, can turn on value thresholds and asset characterisation. Division 7A issues can also arise where private company loans, entitlements, or asset transfers need to be assessed at market value.

GST treatment on the sale of a business as a going concern is another area where value and structure intersect. Although GST law is not determined by valuation alone, the pricing and allocation of assets in a sale need to be commercially supportable. In superannuation contexts, particularly with SMSFs holding business assets, business real property, or shares in private companies, current market valuations can be required for reporting and compliance purposes. Division 296 makes the valuation issue more visible, because the member-level tax is assessed to the individual and is based on realised earnings. The final law taxes realised earnings only, unrealised gains are not taxed, the thresholds of $3 million and $10 million are indexed, and first assessments are issued in the 2027-28 year for the 2026-27 financial year. The valuation relevance is direct, as SMSFs may need current market values, including for the optional cost base reset to market value as at 30 June 2026.

Common Mistakes to Avoid

One of the most common errors is to rely on a single multiple without considering the business’s specific risk profile. Another is to ignore normalisation adjustments, which can distort maintainable earnings and lead to an overstated or understated result. Owners sometimes assume that a strong revenue number automatically translates into a high valuation, but revenue quality matters as much as revenue size. A business with poor retention, customer concentration, or limited margins may deserve a much lower multiple than a business with recurring, diversified, and sticky revenue.

Another misconception is that a valuation used for tax purposes can be informal because it is “only internal”. In reality, tax authorities, auditors, banks, courts, and other stakeholders may review the same evidence. A robust valuation engagement should therefore include a clear statement of scope. In some cases, a limited scope valuation engagement may be appropriate where constraints are understood and accepted by the client. In other cases, a calculation engagement may suit a narrow purpose where the intended user accepts a lower level of rigor. The important point is that the scope must match the purpose, and that choice should be documented from the outset.

Conclusion

The ATO’s focus on market value is not about perfection, it is about evidence, consistency, and professional judgement. For Australian business owners, that means any valuation used for tax, restructuring, succession, superannuation, or transaction purposes should be grounded in recognised methodology, current financial information, and a clear explanation of assumptions. A valuation that can be defended is usually one that has been prepared by a qualified valuer who understands both the business and the relevant Australian tax context.

If you need a defensible business valuation for a tax matter, transaction, or compliance requirement, contact InteleK Business Valuations & Advisory for a confidential consultation tailored to your circumstances.