Working Capital Adjustment

A purchase price adjustment comparing the business's working capital at closing to an agreed target (the "peg") — with any shortfall deducted from seller proceeds and any surplus added.

Last updated: April 2026

Full Definition

The working capital adjustment is one of the most commonly disputed purchase price mechanics. The concept is simple: the buyer needs to run the business from day one with a normal level of working capital. If the seller delivers less than normal, that's effectively a hidden purchase price reduction and needs to be reversed. If the seller delivers more than normal, that's extra value and should be compensated. The implementation is where complications arise.

How it actually works: Mechanics: (1) parties agree on the working capital target or peg (the normal level the business needs); (2) at closing, a preliminary closing balance sheet calculates estimated working capital; (3) if estimated working capital is above peg, buyer pays additional amount; if below peg, seller's proceeds are reduced; (4) 60-90 days post-close, final closing balance sheet is prepared and compared to the estimated version; (5) any difference is trued up between the parties; (6) typically 60-120 days total from closing to final settlement.

Common disputed issues: (1) Peg calculation — which periods to average, seasonality adjustments, growth normalization; (2) GAAP consistency — accounting methodology should be consistent with historicals, but interpretation varies; (3) Cutoff issues — timing of revenue, expenses, accruals at closing date; (4) Reserve adequacy — AR aging reserves, inventory obsolescence reserves; (5) Classification — whether specific items are working capital, debt, or excluded; (6) One-time items — should unusual items at closing be normalized?

Resolution mechanism: most purchase agreements provide for independent accountant arbitration of disputes, with specific procedures. Timing and scope of review matter — strict deadlines prevent disputes from dragging on; limited scope prevents the accountant from re-doing the whole calculation.

Seller vs. Buyer Perspective

If you're selling

The working capital adjustment can shift $100K-$2M+ of your proceeds either way. Protect yourself by: (1) negotiating a fair peg in the LOI (12-month average, not a cherry-picked high-point); (2) managing working capital tightly between signing and closing (collect AR aggressively, manage inventory, pay AP on schedule); (3) avoiding "adjustments" the buyer tries to slide in (restricted cash excluded, aggressive AR reserves, obsolete inventory writedowns); (4) getting clear accounting methodology agreed in the purchase agreement; (5) engaging your QoE firm for the post-close review, not just pre-close. Work with your accountant on closing-date preparation — small timing decisions can swing the calculation materially.

If you're buying

The working capital adjustment is your protection against delivering a hollowed-out business. Build carefully: (1) set the peg based on defensible historical average; (2) specify GAAP methodology clearly; (3) address key classification items explicitly in definitions; (4) require AR aging reserves adequate to actual collectibility; (5) treat slow-moving inventory conservatively; (6) include specific items in excluded/debt-like lists. Don't use working capital as a tool to re-trade deal economics — disputes here poison the post-close relationship. Aim for fairness; both sides benefit from a clean process.

Real-World Example

A $4M EBITDA business sells for $22M with working capital peg of $2.5M (12-month trailing average). Estimated closing working capital: $2.3M — $200K shortfall. At closing, seller receives $21.8M ($22M less $200K). 60 days post-close, final closing balance sheet prepared: actual working capital $2.15M. Additional $150K shortfall identified. Dispute: buyer claims $150K additional, seller's accountants reviewed and agree on $110K (disputing $40K related to AR aging reserve method). Parties negotiate; settle at $130K. Seller returns $130K to buyer. Total working capital adjustment: $200K + $130K = $330K total reduction from original $22M enterprise value. Had the seller managed closing-date working capital more aggressively (accelerated Q4 collections, delayed some supplier payments), the adjustment could have been $100K or less.

Why It Matters & Common Pitfalls

  • !Peg methodology matters enormously. Different peg methods produce different answers.
  • !Closing date timing. Choosing the right closing date can matter for seasonal businesses.
  • !Management of working capital pre-close. Aggressive AR collection, inventory management, and AP timing affect closing WC.
  • !AR aging. Buyers want aggressive reserves; sellers want liberal treatment. Specify methodology.
  • !Inventory classification. Slow-moving and obsolete inventory reserves can be six-figure disputes.
  • !Timing differences. Deferred revenue, unearned revenue, prepaid expenses — all have cutoff implications.
  • !GAAP consistency. "Consistent with historical practice" is the standard but has gaps.
  • !Collar or bands. Some deals use "no adjustment" bands around peg to reduce disputes.
  • !Independent accountant. Dispute resolution via independent accountant is standard; specify selection process and scope.

Frequently Asked Questions

What is the working capital adjustment?
The working capital adjustment is a purchase price mechanism that compares the business's working capital at closing to an agreed target (the peg). Any shortfall is deducted from seller proceeds; any surplus is added. It ensures the buyer receives a business with normal operating capital intact.
How is the working capital peg calculated?
The peg is typically set using a 12-month trailing average of net working capital, sometimes adjusted for seasonality, growth, or business-specific factors. Prior 3-year averages are also used. Setting the peg is heavily negotiated because it directly determines closing proceeds.
When is the working capital adjustment finalized?
The initial working capital adjustment happens at closing based on estimated balance sheet. The final true-up typically occurs 60-120 days post-close once actual closing balance sheet is prepared. Disputes are resolved through independent accountant arbitration per purchase agreement procedures.

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Disclaimer: The information provided on this page is for educational and informational purposes only. It should not be considered financial, legal, or investment advice. Business valuations depend on many factors specific to each situation. Always consult with qualified professionals — including business brokers, CPAs, and M&A attorneys — before making acquisition or sale decisions. LegacyVector is not a licensed broker, financial advisor, or attorney. Data shown may be based on limited samples and may not reflect current market conditions.

LV

LegacyVector Research Team

Reviewed by M&A professionals · Updated April 2026