Working Capital Peg in a Business Sale: How Sellers Lose (or Protect) Six Figures at Closing
The working capital peg is often the second-most important number in a business sale—after headline price—and the first place many owners get quietly repriced. If closing net working capital falls short of the agreed target, the purchase price usually drops dollar for dollar.
Why Buyers Insist on a Peg
Between LOI and closing, a seller could strip cash by accelerating collections, delaying payables, or stopping inventory replenishment. The peg forces delivery of a turnkey operating balance sheet. From the seller’s seat, an inflated peg or hostile methodology can claw back six figures you thought you had won at LOI.
What Usually Counts (and What Does Not)
| Often included in NWC | Often excluded |
|---|---|
| Accounts receivable (operating) | Cash (in cash-free / debt-free deals) |
| Inventory / WIP | Interest-bearing debt |
| Prepaid operating expenses | Income taxes payable (deal-specific) |
| Accounts payable & accrued operating expenses | Related-party balances (often adjusted) |
| Deferred revenue / customer deposits (negotiated) | Personal owner assets |
Definitions belong in an exhibit. Ambiguity is how true-ups become disputes.
Three Common Methodologies
- Trailing twelve-month (TTM) monthly average: Smooths noise; often default for non-seasonal businesses.
- Recent 3-month average: Favors whichever side’s recent trend is stronger.
- Same-month prior year (seasonal): Fairer for HVAC, landscaping, retail seasonality, agriculture-adjacent businesses.
On a multi-million-dollar deal, methodology alone can move hundreds of thousands of dollars. Anchor the method in the LOI, not “to be agreed in diligence.”
Worked Example (Illustrative)
| Item | Amount |
|---|---|
| Headline enterprise value | $5,000,000 |
| Agreed NWC peg | $650,000 |
| Closing NWC (estimated) | $520,000 |
| Shortfall | $130,000 |
| Adjusted proceeds (before other adjustments) | $4,870,000 |
If your seasonal business normally runs $500K NWC in the closing month but the buyer locked a $700K TTM peg, you funded their cushion.
Seller Protections Worth Negotiating
- Detailed included/excluded line-item schedule
- Accounting principles consistent with historical practices
- Measurement date clarity (month-end vs. closing day)
- Collar or cap on the adjustment
- Fast objection / independent accountant process
- Treatment of deferred revenue and customer deposits spelled out
How This Connects to QoE and Diligence
Quality of earnings work often surfaces the working-capital conversation. Buyers who order QoE will scrutinize AR quality, inventory obsolescence, and accrued liabilities. Prepare early with your CPA. Related: Quality of Earnings Explained.
Main Street vs. Lower-Middle-Market Reality
Very small cash deals sometimes close with simplified working-capital language—or none. Once inventory, AR, and professional buyers enter the picture, expect a peg. Illinois manufacturers, distributors, and home-services firms with trucks and inventory should assume a peg discussion.
Examples are illustrative, not accounting advice. Engage your CPA and M&A counsel to model your peg before signing an LOI.
Frequently Asked Questions
What is a working capital peg?
It is the target level of operating net working capital the seller must deliver at closing. Shortfalls usually reduce purchase price; surpluses may increase it.
When should the peg be negotiated?
Ideally in the LOI—with methodology and included line items—not left open until late diligence.
What methodology is fairest for seasonal businesses?
Same-month prior-year approaches are often fairer than a blunt TTM average for highly seasonal companies.
Do all small deals use a peg?
Not always. Inventory/AR-heavy and professionally advised deals almost always do.
How do I protect myself?
Define line items, accounting principles, measurement date, collars/caps, and a fast dispute process in the agreement.
Heading Into an LOI?
A poorly set peg can erase the ‘win’ you thought you negotiated. Talk through working-capital mechanics before you sign.
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