Luxury black-and-gold comparison graphic for EBITDA vs SDE in Australian business valuations.

Updated: June 2026

When you prepare to sell a business in Australia, you will hear people talk about “EBITDA” and “SDE” as if they mean the same thing. They don’t, and the difference matters because the earnings base you choose shapes your valuation logic, your negotiation posture, and your ability to defend add-backs.

So, if you want a clean starting point, you need to do two things early: define the metric you use, and then normalise it so the number reflects maintainable earnings rather than a one-off year.

Key Takeaways

Use SDE (seller’s discretionary earnings) when a buyer will replace an owner-operator, because SDE measures the discretionary benefit available to one working owner.
Use EBITDA (earnings before interest, tax, depreciation and amortisation) when the business can run “under management”, because EBITDA aims to reflect operating earnings before financing and tax.
Normalise either metric, because buyers will challenge your add-backs, yet they will also penalise you if you leave obvious one-offs inside the earnings base.
Treat EBITDA as a performance proxy, not cash, because it strips out capital investment effects and other real-world costs. Perpetual knowledge bank series: EBITDA (published 2021)
Anchor your earnings adjustments in a defensible methodology, especially if you need a report that stands up to scrutiny under professional standards such as CPA Australia’s APES 225 Valuation Services overview.

EBITDA vs SDE at a glance (comparison matrix)

Criteria	EBITDA	SDE
What it aims to show	Operating earnings before financing, tax, and non-cash D&A	Total discretionary benefit available to one owner-operator
Who does it fit best	Businesses that can run “under management”	Owner-operated businesses where the buyer will “buy a job” as well as an asset
Treatment of owner wages	Usually treated like any other wage cost (unless you separately normalise)	Typically adds back owner wages and owner benefits, then you adjust to a market replacement cost as needed
Typical output after clean-up	Normalised EBITDA / maintainable EBITDA	Normalised SDE / maintainable SDE
Biggest risk	People treat it like cash and ignore capex or working capital reality	People overreach on “add-backs” and turn personal spending into “profit”
What buyers test hardest	Earnings quality, capex intensity, customer concentration, and sustainability	Replacement salary, genuine discretion of expenses, and proof for each add-back

Before Comparing EBITDA and SDE, Normalise the Earnings

Normalisation means adjusting the accounts so that the earnings base reflects ongoing commercial reality.

Whether you use EBITDA or SDE, the first step is usually the same: normalise the earnings to reflect maintainable business performance.

Normalisation involves adjusting historical financial results to remove one-off, discretionary, non-commercial or non-recurring items so the earnings base reflects the underlying operating reality of the business.

For example, you may remove a one-off legal expense, a non-commercial related-party transaction, or an unusual windfall gain that is unlikely to recur.

The process should be applied consistently and objectively, because buyers will scrutinise both the adjustments you make and the adjustments you choose not to make.

In practice, buyers pay for maintainable earnings, not accounting noise. Whether you ultimately adopt an EBITDA or SDE framework, the quality of the normalisation process will often have a greater impact on value than the choice of profit metric itself.

Key Takeaway: The objective of normalisation is to identify maintainable earnings. Buyers value future earning capacity, not historical accounting results.

Define the two metrics clearly, because buyers will

EBITDA: start with a definition, then challenge the assumptions

EBITDA (Earnings Before Interest, Tax, Depreciation and Amortisation) is a measure of operating profitability that removes the effects of financing decisions, taxation and non-cash accounting charges. It is commonly used when valuing businesses that can operate independently of the owner.

However, EBITDA can mislead you if you treat it as “cash profit” because it strips out the cost of capital investments like plant and equipment, and it ignores other real costs that still hit the business.

So, if you use EBITDA, you should also ask: what does this business need to spend to sustain revenue, and what does it need to carry in working capital to deliver that revenue?

SDE: measure the benefit to one working owner, not a management team

SDE (Seller’s Discretionary Earnings) is commonly used for smaller owner-operated businesses. It measures the total financial benefit available to a working owner after adjusting for owner remuneration and discretionary expenses.

SDE is most relevant where the owner performs a significant operational role and a purchaser is expected to replace that role after acquisition.

In practical terms, SDE typically starts from accounting profit and then adds back items such as interest, tax, depreciation, and amortisation, and it also adds back the owner’s wages and owner-related discretionary expenses. That approach can help, but it can also distort reality unless you normalise it.

So, treat SDE as a buyer-operator lens: it can answer, “What can one capable owner earn from this business after I strip out one-offs and non-business costs?”

EBITDA or SDE?

▼

Can the business operate without
The owner?

┌─────────┴─────────┐

│ │

YES NO

│ │

▼ ▼

EBITDA Will the buyer replace

The owner in daily operations?

┌─────────┴─────────┐

│ │

YES NO

│ │

▼ ▼

SDE Normalised EBITDA

+ Replacement Salary

Important: This is a practical guide only. The appropriate earnings metric ultimately depends on factors such as owner dependency, management depth, business complexity, industry characteristics, and the likely buyer profile.

Compare EBITDA and SDE using the criteria that actually move value

Infographic compares EBITDA and SDE using criteria that actually move value

1) Decide whether the business can run “under management”

This question drives the whole choice, because management depth and owner dependency change what a buyer purchases.

If a capable manager can run the business without the founder, then EBITDA usually becomes the cleaner starting point, because the buyer can price the business as an operating asset.
If the business depends on the owner’s daily work, then SDE usually becomes more relevant, because the buyer will price the role, the workload, and the risk of transition.

That distinction also links directly to the way the market assesses transferable value, which we discuss in our Business Valuation for Sale & Exit Planning work.

2)Treat owner wages as a valuation lever, not a bookkeeping line

Owner wages create the biggest practical swing between EBITDA and SDE, because the owner can wear multiple hats.

If you use SDE, you commonly add back owner wages, but you should then ask a harder question: what would it cost to replace the owner with a competent manager or operator?

If you use EBITDA, you might already include management wages inside the expense line, but you still need to confirm whether the wage reflects market reality.

So, make the replacement-salary logic explicit, although you may feel tempted to keep it vague, because vagueness invites a buyer to do the recast for you.

3) Audit add-backs like evidence, because buyers will

Add-backs only help when you can prove they do not reflect ongoing operations.

A buyer will usually challenge add-backs such as:

personal motor vehicles and travel that do not support revenue
above-market related-party rent
one-off professional fees tied to a unique event
owner benefits that a buyer would not continue

Yet a buyer will also reject “add-backs” that show up every year, because recurring costs are rarely discretionary.

If you need a defensible approach, APES 225 reinforces a simple discipline: document what you rely on and explain your material assumptions, because you may need to defend the valuation later.

4) Link the profit metric to enterprise value and equity value

People often say “the business is worth X times EBITDA”, but the buyer still needs to translate enterprise value into equity value.

Enterprise value reflects the operating asset value before net debt and working capital mechanics. Equity value reflects what the shareholder actually receives after you account for debt, surplus cash, and the working capital peg.

So, even a clean EBITDA or SDE number does not finish the job, but it starts it.

5) Choose the metric that matches the deal reality you face

Use this decision rule as a starting point:

Choose SDE if the buyer will replace the owner in daily operations, or if the business relies on the owner’s relationships, quoting, or delivery.
Choose EBITDA if the business can operate with a management layer, or if it already runs with professionalised systems and delegated decision-making.

Then normalise the metric you choose, because both numbers can lie if you fail to adjust for one-offs.

A Simple Example: One Business, Two Earnings Lenses

Consider an Australian service business that reports net profit after tax of $500,000. The owner pays themselves a salary of $250,000 per annum, and the accounts include $30,000 of owner travel that is not required to generate revenue.

For simplicity, assume the travel expense is discretionary and the owner could be replaced by a competent manager earning $180,000 per annum.

Step 1: Normalise the Earnings

Reported net profit after tax: $500,000

Add back non-business owner travel: +$30,000

Normalised earnings: $530,000

At this point, both the EBITDA and SDE approaches agree that the $30,000 travel expense should be removed because it does not reflect maintainable operating performance.

Step 2: Apply the SDE Approach

SDE is designed to measure the total financial benefit available to a working owner-operator.

Normalised earnings: $530,000

Add back owner’s salary: +$250,000

Subtotal: $780,000

Less market-based replacement salary: -$180,000

Normalised SDE: $600,000

Step 3: Apply the EBITDA Approach

If the owner’s salary already reflects a reasonable market rate for the role being performed, no further adjustment may be required.

Normalised earnings: $530,000

Adjustment to owner salary: Nil

Normalised EBITDA: $530,000

What Does This Tell Us?

Using exactly the same business and financial information, the maintainable earnings figure can differ depending on the lens being applied.

Under an SDE framework, the focus is on the financial benefit available to a working owner after allowing for a market-based replacement salary.

Under an EBITDA framework, the focus is on the operating profitability of the business as an independent economic asset capable of running under management.

This example demonstrates why selecting the appropriate earnings metric is important. However, it also highlights an equally important point: both approaches rely on a robust normalisation process. If the underlying adjustments are incorrect, neither EBITDA nor SDE will produce a reliable indication of maintainable earnings.

What Buyers Actually Focus On

Many business owners spend significant time debating whether EBITDA or SDE is the “correct” earnings metric. In practice, experienced buyers, lenders and advisors are usually focused on a different question:

Are the earnings sustainable and transferable?

In most transactions, buyers spend less time arguing about the profit metric itself and more time assessing the quality of the earnings underpinning the valuation.

Common areas of focus include:

Whether earnings are maintainable and supported by historical performance.
Whether add-backs are legitimate, well-documented and genuinely non-recurring.
Whether key customers, suppliers and employees are likely to remain after settlement.
Whether the business is dependent on the owner for sales, operations or key relationships.
Whether systems, processes and management depth support a successful transition.
Whether capital expenditure requirements or working capital demands have been properly considered.

For this reason, the quality of the earnings analysis is often more important than the choice between EBITDA and SDE. A buyer may accept either approach if the assumptions are reasonable, the adjustments are well-supported, and the resulting earnings base reflects the commercial reality of the business.

Ultimately, buyers do not acquire historical accounting profits. They acquire the future cash-generating capacity of the business and the confidence that those earnings can continue after the transaction is completed.

Key Takeaway: Buyers rarely pay a premium because a business is presented using EBITDA rather than SDE. They pay a premium when the earnings are demonstrably maintainable, transferable and capable of continuing after settlement.

Common mistakes that reduce credibility fast

You treat EBITDA as “cash profit”, but the business requires real capex to operate.
You present a list of add-backs with no evidence, so the buyer removes them during due diligence.
You use SDE, but you ignore replacement salary, so the buyer discounts for owner dependency anyway.
You switch definitions mid-stream (EBITDA, then “adjusted EBITDA”, then SDE), so your narrative loses coherence.

Glossary (quick definitions)

Add-back: An expense removed from the earnings base because it is non-operating, genuinely discretionary, or non-recurring (and therefore not maintainable).
Normalisation: Adjusting historical results so earnings reflect maintainable performance (cuts both ways: remove one-offs, but also remove one-off windfalls).
Enterprise value (EV): The value of the operating business (before adjusting for net debt and cash-like items).
Equity value: The value attributable to shareholders after adjusting EV for net debt, surplus cash, and other balance-sheet items.
Net debt: Interest-bearing debt minus surplus cash (definitions vary by deal—state yours).
Working capital peg/target: An agreed “normal” level of working capital; completion accounts often adjust price if actual working capital is above or below the target.

FAQ: EBITDA vs SDE in Australian business valuations

Is SDE an accounting standard measure in Australia?

No. SDE functions as a market convention used in many small-business sale discussions, so you should define it clearly and support each adjustment with evidence.

Can I use EBITDA for a small business?

Yes, but you should confirm that EBITDA captures the true operating cost structure, and you should still normalise earnings for one-offs and non-commercial items.

Does EBITDA matter in court or dispute contexts?

It can. In an Australian litigation context, Grant Thornton Australia noted that a court preferred EBITDA over EBIT in circumstances where accelerated depreciation distorted the EBIT-based view of maintainable earnings. Grant Thornton Australia (2024)

What does “normalised EBITDA” mean in practice?

It means you adjust earnings to reflect maintainable performance on a commercial basis, such as by removing one-off items, correcting non-market remuneration, and adjusting related-party transactions.

Next steps if you plan to sell

The debate between EBITDA and SDE is often less important than many business owners think.

Both metrics can produce misleading results if they are not properly normalised, and both can provide useful insights when applied appropriately. The real objective is to identify maintainable earnings that a buyer can reasonably rely upon when assessing value.

In practice, the most successful transactions are not driven by accounting definitions alone. They are driven by a clear understanding of earnings quality, owner dependency, management depth, customer concentration, and the factors that influence whether future earnings are likely to continue after settlement.

Once a defensible earnings base has been established, selecting the appropriate valuation methodology becomes significantly easier, and the resulting valuation is far more likely to withstand buyer scrutiny and due diligence.

If you are preparing for a sale, capital raise, shareholder transaction or strategic review, the first step is often to establish a reliable, maintainable earnings position and understand how a buyer is likely to assess the business.

To discuss your situation confidentially, explore our Business Valuation for Sale & Exit Planning services or contact Expert Business Valuations for an initial scoping discussion.

Editorial note & disclaimer: This article is general information for Australian business owners and advisors and does not consider your objectives, financial position, or needs. It is not legal, tax, or financial advice. Before acting on any valuation metric or adjustment, obtain advice tailored to your circumstances. Where we reference professional standards (including APES 225) or third-party commentary, those sources are provided for context and are not a substitute for an engagement-specific valuation directive.

About the Author

Daniel Callegari is a Certified Business Valuer, Licensed Business Broker, Certified Value Builder™ Advisor and Managing Director of Expert Business Valuations and Expert Business Brokers.

With more than 10 years’ experience in business valuation, mergers and acquisitions, and transaction advisory, Daniel has worked with business owners, accountants, lawyers, investors and intermediaries across a broad range of industries including professional services, construction, manufacturing, wholesale distribution, transport and logistics, technology, and business-to-business services.

Daniel specialises in helping business owners understand, improve and realise the value of their businesses through independent valuation advice, exit planning, transaction support and strategic value creation initiatives. His work regularly involves assessing maintainable earnings, owner dependency, transferable value, valuation multiples and transaction readiness for privately owned Australian businesses.

He holds a Bachelor of Business, a Master of Applied Finance, and is the Managing Director of Expert Business Valuations, an independent Australian valuation practice providing valuation services, litigation support, transaction advisory and business sale readiness engagements.