PE Due Diligence Programme — Lesson 7 of 10
Goodwill is the number that tells you how much of the purchase price you cannot explain. That is a deliberately provocative statement, but it captures an important truth. In a purchase price allocation, goodwill is the residual — the excess of the acquisition price over the fair value of all identifiable net assets, both tangible and intangible. It represents the value of things that are real but not identifiable: the assembled workforce, expected synergies, market position, and growth potential.
The problem is that goodwill also absorbs overpayment. If you pay too much for a business — because the auction was competitive, the synergy assumptions were optimistic, or the intangible asset identification was incomplete — the excess shows up as goodwill. And goodwill, once on the balance sheet, must be tested annually for impairment. When goodwill is impaired, it cannot be reversed. It is a permanent admission that value has been destroyed.
This lesson provides a framework for assessing goodwill risk during PE diligence — before the deal closes, when there is still time to adjust the price or walk away.
The size of goodwill in a deal is an indicator of diligence quality. A purchase price allocation that attributes 60-70% of the premium to goodwill tells you that the acquirer either could not or did not identify what they were paying for. Better diligence — identifying more intangible assets with greater specificity — reduces the goodwill residual and provides a clearer picture of what was actually acquired. More importantly, it surfaces the assumptions that will determine whether those assets retain their value.
Understanding the Goodwill Composition
What Goodwill Actually Contains
Goodwill is not a single asset — it is a collection of value drivers that individually fail the identifiability test under IFRS 3 or cannot be separated from the business.
Components of Goodwill
| Component | Description | Risk Level |
|---|---|---|
| Assembled workforce | The collective capability, training, and experience of the existing team | High — people can leave; see Lesson 4 |
| Expected synergies | Cost savings or revenue enhancements expected from combining the target with the acquirer | Very High — synergies are the most commonly overestimated element of deal value |
| Growth premium | The portion of the price reflecting expected future growth beyond current run-rate | High — growth may not materialise as modelled |
| Going-concern element | The value of the business operating as an integrated whole, beyond the sum of its parts | Moderate — reflects genuine value but is unquantifiable |
| Overpayment | The portion of the price that exceeds the fair value of all genuine value drivers | Variable — ranges from zero (disciplined buyer) to material (competitive auction, emotional buyer) |
Not all goodwill is bad. Some goodwill reflects genuine value that is simply not identifiable under accounting standards — the assembled workforce, for example, is clearly valuable but cannot be separately sold or transferred. The concern arises when goodwill is disproportionately large relative to the deal size, suggesting that either the intangible asset identification was incomplete or the price exceeded fair value.
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