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Earnings and quality

EBITDA vs adjusted EBITDA: what's the difference?

Also known as: diligence-adjusted EBITDA, management-adjusted EBITDA, QoE EBITDA

Short answer

EBITDA is earnings before interest, tax, depreciation and amortization as reported in the books. Adjusted EBITDA starts from that figure and corrects for non-recurring, non-operating and owner-related items to show earnings a buyer can expect to continue.

Updated November 2026

Adjusted EBITDA, explained simply

Two versions usually exist. Management-adjusted EBITDA is the seller’s view, often with generous add-backs. Diligence-adjusted EBITDA is the view after an independent quality of earnings analysis has tested each adjustment against evidence.

The negotiation commonly centers on the difference between the two.

From management-adjusted to diligence-adjusted EBITDA

Illustrative

Alder Creek Manufacturing, last twelve months, $ millions

At 8.0x, the $1.15 million gap between the two views is worth $9.2 million of price.

Worked example

Alder Creek, $ millionsAmount
Reported EBITDA5.00
Management add-backs (legal settlement 0.30, owner salary 0.25, trade show 0.20)0.75
Management-adjusted EBITDA5.75
Less: trade show, rejected as recurring(0.20)
Less: one-off gain on equipment sale(0.60)
Less: unrecorded bonuses(0.20)
Less: below-market rent paid to the owner(0.15)
Diligence-adjusted EBITDA4.60

Alder Creek Manufacturing, Inc. is a fictional company. All figures are illustrative.

Why it matters in a deal

Adjusted EBITDA is usually the figure on which price is based and lenders size debt. Which adjustments are accepted is often the core of the price negotiation.

Red flags

  • Adjustments that only increase EBITDA
  • A large gap between management-adjusted and reported EBITDA
  • Adjustments supported only by management representation

Frequently asked questions

Is adjusted EBITDA the same as normalized EBITDA?
Often used interchangeably. Normalized usually means cleaning up past results, while adjusted may also include pro forma changes.
Who decides which adjustments are valid?
The buyer, on the evidence. The QoE provides that evidence.

Discuss your requirements with our team