Why the Working Capital Peg Exists

When a buyer acquires a business, they expect to receive a company that can operate normally on day one without requiring an immediate cash infusion. The working capital peg is the mechanism that enforces this. It's set based on the "normal" or "average" level of working capital the business carries, typically calculated as a trailing 12-month average.

Without a peg, a seller could drain receivables, let payables balloon, or run inventory down in the weeks before close — pocketing extra cash while leaving the buyer with a business that needs immediate working capital to function.

How the Peg Is Calculated

The peg is negotiated during the LOI or purchase agreement phase, typically driven by QoE findings. Common methods:

What's Included in Working Capital

The definition of "working capital" for peg purposes is negotiated, not assumed. Common inclusions and exclusions:

Where sellers lose money: The most common trap is failing to accrue for expenses that don't appear on the balance sheet until year-end — vacation accruals, bonus liabilities, warranty reserves. If these aren't in the peg baseline but are present at close, they reduce working capital delivered and cost the seller real money.

Post-Close True-Up

Working capital is typically settled within 60–90 days of close. The buyer's accountants calculate actual closing working capital, compare it to the peg, and either pay the difference to the seller or bill the seller for a shortfall. This process is a common source of post-close disputes — sellers should budget for it and retain their own accountant to review the buyer's calculation.

David Halvorson, Managing Partner, Mid Mkt Advisors

David Halvorson

Managing Partner, Mid Mkt Advisors

500+ closed transactions · Horizon M&A Advisors · ex-Intel Corporate Development · IBBA · CABB · M&A Source member

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