30 June 2027 Business Valuations: What the CGT Changes Mean for Owners

Last reviewed: 17 September 2026.

If you own a business or private company shares, 30 June 2027 deserves a place in your planning calendar. The useful first step is to establish whether the CGT transition affects your particular asset and ownership structure. A valuation engagement should follow that assessment, with a clear purpose and a defined interest to value.

This article explains the valuation issues. Your tax adviser should confirm how the legislation applies to you, including any concessions, exemptions or alternative calculation methods.

Why does 30 June 2027 matter?

From 1 July 2027, affected gains of eligible individuals and trusts move from the 50% CGT discount to cost-base indexation for inflation and a minimum 30% tax on real gains. Pre-transition gains retain their previous eligible treatment, making the transition value important when separating the two periods. The 30% figure is not a tax on sale proceeds. Ownership, holding-period conditions, exemptions and any small business concessions still need review. See the official government CGT reform explainer.

For assets within the relevant transitional provisions, the enacted rules use market value just before 1 July 2027, unless an available apportioning method is chosen. They provide for a deemed sale on 30 June and reacquisition on 1 July. The related gain or loss is generally deferred until a later realisation event. See sections 112-155 to 112-170 in the Treasury Laws Amendment (Tax Reform No. 1) Act 2026.

That distinction matters: a valuation date identifies the point in time being assessed. It is different from the date a report is written. These provisions do not create a universal requirement to have a signed valuation report or pay CGT by 30 June 2027.

Start with the owner and the asset

“My business needs a valuation” is a starting point, rather than a complete instruction. Consider an individual who owns shares in a trading company. The shares held by that individual and the assets held inside the company are different interests. A family trust holding those shares introduces a further set of ownership and tax questions.

Ask your accountant to identify the taxpayer, relevant asset, acquisition history and provision being considered. Do not assume that rules concerning an individual’s or trust’s shareholding apply in the same way to a company’s sale of its underlying assets. Long-held assets, changes in residency and ownership restructures warrant specific advice.

Once those questions are settled, the valuer can agree whether the assignment concerns a whole business, a particular parcel of shares, or another business interest. That scope should be recorded before financial analysis starts.

Does everyone need an independent valuation?

No blanket claim is appropriate. The legislation permits an alternative apportioning method, and Treasury’s published material currently describes the detailed method as an exposure draft. Its status and application should be checked when advice is given. See Treasury’s tranche 2 consultation and draft apportioning method.

A professionally prepared valuation may be useful where market value needs to be established and the interest is complex. Discuss the appropriate evidence and available alternatives with your tax adviser before commissioning work. A valuation does not itself establish eligibility for a tax concession or guarantee a particular tax outcome.

Prepare now; assess the relevant date properly

Early preparation can uncover missing records, unclear shareholder rights or accounts that need reconciliation. It cannot settle the market value at a future date. The ATO’s market valuation guidance distinguishes the required valuation date from a prospective estimate and emphasises information relevant to that date.

For example, a forecast prepared in March 2027 and revised in August 2027 tells two different stories. Preserve both versions with their preparation dates. The valuer can then consider what was known or reasonably foreseeable at the relevant time, rather than simply using whichever version produces a preferred result.

A report prepared after 30 June can identify that earlier valuation date openly. The report’s actual preparation and issue dates should remain accurate; records and reports should never be backdated.

Build a useful evidence file

• Keep annual accounts, monthly management reports and the reconciled financial position around the valuation date.
• Preserve dated budgets, customer information, material contracts and explanations of unusual trading events.
• Collect the ownership register, constitution, shareholder agreements and details of loans or different share classes.
• Explain owner remuneration and exceptional expenses, supported by records rather than a list of unsupported adjustments.

Our 30 June 2027 preparation checklist provides a practical way to organise this material. For earnings adjustments, see owner salaries and one-off expenses in a business valuation.

Agree the next step with your advisers

Begin with a short discussion between you, your accountant and the proposed valuer. Confirm the asset, purpose, date, available information and timing. That produces a focused assignment and makes any unresolved tax questions visible before the report is prepared.

Explore Evident’s 30 June 2027 business and share valuation services or book a free 15-minute consultation to discuss the valuation scope.

General information only, current at the review date. This is not personal tax or legal advice. Application depends on your circumstances, and draft measures may change.

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