GlossaryTaxTax Leakage
TaxFinance

Tax Leakage

Also known as: tax drag, deal tax cost, after-tax proceeds erosion

The unplanned tax cost created by deal structure rather than headline price — depreciation recapture taxed at ordinary rates, allocation choices that shift proceeds from capital gain to ordinary income, and interest on seller notes — that quietly shrinks net proceeds even when the price looks strong.

Two deals with the same headline price can leave the founder with very different amounts after tax. Tax leakage is the gap — proceeds lost not to the buyer, but to the tax treatment baked into how the deal is structured. It shows up in a few predictable places. Depreciation recapture is taxed as ordinary income in the year of sale rather than at lower capital-gain rates. In an asset deal, purchase-price-allocation choices move dollars into buckets the seller is taxed on as ordinary income — equipment above basis (recapture), non-compete payments, consulting fees — while goodwill gets capital-gain treatment. Stated or imputed interest on a seller note is ordinary income, not capital gain. And there’s a timing trap: a seller note or earnout is normally taxed under the installment method, so tax tracks the cash as it arrives — but if the seller elects out, or the earnout is structured without a fixed cap, gain can be taxed before the cash is in hand. None of these reduce the price on paper, which is why founders miss them — the LOI number looks intact while the after-tax reality erodes underneath it. The defense is to model net-of-tax proceeds, not headline price, before signing, and to bring in a deal-savvy tax advisor early enough to influence structure rather than report the damage afterward.

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