Working Capital Adjustment: Calculations and Deal Terms

A working capital adjustment changes the purchase price after closing so that the buyer pays for the operating liquidity it receives. The working capital adjustment compares the target company's net working capital at closing with an agreed target, or "peg": the purchase price rises dollar for dollar by any surplus and falls dollar for dollar by any shortfall. In mergers and acquisitions, this mechanism protects the buyer from inheriting a business drained of receivables or inventory. It also protects the seller from handing over excess liquidity for free.

The stakes are real. A peg set $100,000 too high costs the seller $100,000 at closing, and vague accounting definitions are among the most common sources of post-closing disputes. At Beganyi Law, our mergers and acquisitions practice works on the definitions, the peg, and the true-up procedure for Ontario buyers and sellers. We coordinate that work closely with each client's accountants so the contract reflects how the business operates day to day.

If you are negotiating a letter of intent or a purchase agreement, you can arrange a confidential consultation or call us at +1 647-977-7749 before the working capital terms are fixed.

Key Takeaways

• The adjustment pays the seller for surplus working capital and credits the buyer for any shortfall.
• A defensible peg comes from normalized monthly balances that reflect seasonality and growth.
• Precise accounting policies and firm review deadlines prevent most post-closing disputes.

How Does Closing Working Capital Affect the Purchase Price?

Closing working capital moves the purchase price up or down by the exact amount it differs from the target. The headline price assumes the business arrives with a normal level of short-term liquidity. The adjustment corrects the price when the balance sheet on the closing date shows more or less than that normal level.

Why Compare Working Capital at Closing With an Agreed Target?

A buyer values a business on the assumption that it can keep operating on day one without injecting new cash. That requires a normal stock of receivables and inventory, offset by the payables and accruals that ordinarily fund them. If the seller collects receivables aggressively or delays restocking before closing, the buyer inherits a business that needs immediate funding.

The target figure sets the level both parties agree the business needs. Comparing closing working capital with that target addresses two risks:

• Buyer risk: liquidity is drained between signing and closing, through faster collections, reduced inventory, or stretched supplier payments.
• Seller risk: the business builds extra working capital before closing, and the seller receives nothing for it.

In our experience, the comparison works best when the parties treat the peg as part of the price negotiation from the letter of intent onward. Leaving it as a technical item for the accountants after signing invites trouble. Whether you are buying or selling a business, the peg should be in your negotiation plan from the outset.

What Is the Working Capital Adjustment Formula?

The working capital adjustment formula takes two steps:

1. Closing net working capital = included current assets − included current liabilities, measured at the closing date.
2. Adjustment = closing net working capital − target net working capital.

A positive result is a surplus that increases the price. A negative result is a shortfall that reduces it.

Most deals add a timing layer. Before closing, the seller delivers an estimated closing statement, and the price paid on the closing date reflects that estimate. After closing, the parties calculate actual closing working capital and settle any difference between the estimate and the final figure.

Some agreements also include a tolerance band, or collar, around the peg (for example, plus or minus $50,000). No payment is made within the band. Depending on the drafting, a deviation outside the band is paid either from the first dollar or only on the excess. Choose the version deliberately and state it plainly.

Hypothetical Closing Calculation: A Surplus and a Shortfall

The following example is hypothetical and for illustration only. Assume an Ontario distributor is sold with a target net working capital of $850,000.

In Scenario A, the buyer pays the seller an additional $60,000. In Scenario B, the seller's proceeds fall by $60,000, which is paid back to the buyer or drawn from an escrow or holdback.

Now add the estimate. Suppose that in Scenario A the seller estimated closing working capital at $930,000, so the buyer paid $80,000 above the base price on the closing date. The final figure of $910,000 means the seller refunds $20,000 after closing.

Which Assets and Liabilities Belong in the Calculation?

Only operating current assets and operating current liabilities belong in net working capital for deal purposes. The accounting definition of working capital (all current assets minus all current liabilities) is broader. Cash, interest-bearing debt, and sale-related costs are carved out and handled through separate price mechanics, so the purchase agreement must list exactly which balance sheet accounts count.

Operating Assets: Receivables, Inventory, and Prepaid Expenses

The usual operating current assets are the following:

• Trade receivables, net of an allowance for doubtful accounts. Related-party receivables and amounts that are not on arm's-length terms are often excluded.
• Inventory, including raw materials, work in progress, and finished goods, net of obsolescence reserves.
• Prepaid expenses that benefit operations after closing, such as insurance premiums and prepaid rent.

The receivable allowance and the inventory reserve deserve the closest attention, because both depend on judgment. A buyer who applies a more conservative reserve after closing can reduce working capital by tens of thousands of dollars without any change in the underlying business. Income tax receivables and other non-operating amounts are frequently excluded or dealt with in the tax provisions.

Operating Liabilities: Payables, Accruals, and Deferred Revenue

The usual operating current liabilities include:

• Trade payables owed to suppliers in the ordinary course.
• Accrued expenses, such as wages, vacation pay, utilities, and payroll remittances incurred but not yet paid.
• Deferred revenue and customer deposits, meaning cash received for goods or services the buyer must still deliver.

Deferred revenue is a frequent point of negotiation. The seller keeps the cash, while the buyer inherits the obligation to perform. Many buyers argue that it should be treated as a debt-like item that reduces the price directly. Sellers argue that it belongs in working capital, where it was already reflected in the historical average.

Accruals need equal care. Smaller private companies sometimes book bonuses or vacation pay only at year end, so monthly balances understate liabilities. The definition should state whether those items are accrued at closing.

Why Cash, Debt, and Transaction Costs Are Usually Treated Separately

Canadian private deals are commonly priced on a cash-free, debt-free basis. Cash, bank indebtedness, and interest-bearing loans are therefore adjusted through their own line items, and including them in working capital would count them twice.

Items that are ordinarily excluded from net working capital include:

• cash and cash equivalents
• lines of credit, term loans, and accrued interest
• shareholder loans and non-trade related-party balances
• legal, accounting, and broker fees for the sale
• income tax payable, often handled as debt-like or under tax indemnities
• unpaid capital expenditure payables and change-of-control bonuses

How these items flow also depends on whether you choose a share deal or an asset deal. In an asset purchase, the buyer may assume only specified liabilities. Our page on share versus asset transaction structures covers that choice.

How Do Buyers and Sellers Set a Defensible Working Capital Peg?

A defensible peg is the average of normalized monthly working capital over a period that reflects how the target company runs today. The numbers come from financial due diligence. The negotiation turns on which months to use and which adjustments to accept. Sellers want a lower peg and buyers want a higher one, so a peg backed by clear workpapers is the one that survives.

What Does Normalized Working Capital Mean?

Normalized working capital is historical working capital adjusted so that each month reflects ordinary operations under the deal definition. Common adjustments include:

• Definitional: removing cash, debt, and other excluded items from every historical month.
• Non-recurring: stripping out one-time items, such as a large refund or a payable for sale-related professional fees.
• Accounting consistency: applying month-end accruals evenly where the company booked them only at year end, or converting cash-basis records to an accrual basis.
• Pro forma: reflecting a recent change, such as a new product line, as though it had existed throughout the period.

Normalization makes the peg comparable to the closing calculation. If the historical average ignores accrued vacation pay but the closing statement includes it, the seller absorbs a shortfall that has nothing to do with performance.

Choosing a Historical Period That Reflects Seasonality and Growth

A trailing twelve-month average is the common starting point, because it captures a full seasonal cycle. A landscaping supplier carries heavy inventory in spring and light inventory in winter, and a twelve-month average smooths both extremes.

A shorter period, such as the latest six or three months, fits better when the business has grown quickly or changed its model. Using older, smaller balances for a growing company sets the peg too low and benefits the seller.

Closing timing matters too. If the deal closes at a seasonal peak, an annual average produces a predictable surplus for the seller. Some parties negotiate a month-specific peg or a seasonal schedule to address this. A month-end closing also helps, because books are already closed and supporting documents exist.

Testing the Target Against Receivable Aging, Inventory Quality, and Payment Patterns

Due diligence should check that the balances behind the peg are real and collectible. Our due diligence work, together with the client's accounting advisors, focuses on these tests:

• Receivable aging: accounts over 90 days, concentration in a few customers, and whether historical write-offs match the allowance.
• Inventory quality: slow-moving and obsolete stock, count procedures, and costing methods.
• Days payable outstanding: whether the seller has been stretching suppliers, which inflates payables and depresses working capital.
• Working capital intensity: working capital as a percentage of revenue over time, compared with industry benchmarks where useful.

Some businesses operate with negative working capital because customers pay upfront and suppliers are paid later. Subscription services and some retailers fit this pattern. A negative peg is legitimate in those cases, and the same normalization logic applies.

What Should the Purchase Agreement Say About the True-Up?

The purchase agreement must spell out how closing working capital is calculated, who prepares the figures, and how disagreements end. Disputes start when the contract leaves room for interpretation. They rarely start with arithmetic. The provisions below are where we spend the most drafting effort, whether we act on sell-side representation or for a buyer.

Define Accounting Policies, Their Order of Priority, and a Sample Calculation

The closing statement should be prepared on the same basis used to set the peg. That requires an accounting hierarchy that tells the preparer which rule wins in a conflict. A common order is:

1. Specific policies written into the agreement, such as a fixed reserve percentage for receivables over 120 days.
2. Past practice, meaning the principles, methods, and estimation techniques used in the target's historical financial statements.
3. The applicable accounting framework, such as Canadian accounting standards for private enterprises or GAAP, to fill remaining gaps.

Placing specific policies at the top prevents a buyer from introducing a more conservative estimate after closing. Placing past practice above the general framework preserves the like-for-like comparison with the peg.

Attach a sample calculation as a schedule. It should map trial balance accounts to included or excluded categories and show the peg computation. In our experience, the sample schedule resolves more arguments than any definition. Also set a subsequent-events cut-off, so information arising after a fixed date cannot reopen closing balances.

Set the Closing Estimate, Completion Accounts, and Review Deadlines

Completion accounts follow a fixed timetable. A typical sequence is:

• Before closing: the seller delivers an estimated closing statement, often three to five business days before closing, with supporting detail.
• After closing: the buyer prepares the closing statement, commonly within 60 to 120 days, since it now controls the books.
• Seller review: the seller has a set period, often 30 to 60 days, to review it and request access to records and workpapers.

The agreement should require the buyer to give the seller and its accountants reasonable access to personnel and records during review. Without an access clause, a seller can lose its review period waiting for documents. For buyers, our buy-side advisory work includes setting a realistic preparation window, because a deadline the finance team cannot meet becomes a negotiating weakness.

Agree on Objections, Independent Expert Review, and Payment Procedures

The objection procedure determines the scope of any dispute. Strong drafting covers the following points:

• Objection notice: the seller must identify each disputed line item, the amount, and the basis. Items that are not objected to become final.
• Negotiation period: the parties negotiate in good faith for a set period, commonly 30 days.
• Independent accountant: unresolved items go to a named firm, or one appointed by an agreed process, acting as an expert and not as an arbitrator.
• Limits on the expert: the expert decides accounting matters only and selects a value within the range between the two parties' positions.
• Costs: fees are split or allocated in inverse proportion to each party's success.
• Payment: the final adjustment is paid within a set number of business days, with any shortfall drawn first from an escrow or holdback if one exists.

Legal interpretation questions should go to a court or arbitrator, and the agreement should say so.

How Does a Locked-Box Mechanism Differ From Completion Accounts?

A locked box fixes the price at signing, based on a historical balance sheet, and has no post-closing true-up. Completion accounts remain the norm in Canadian and US private deals. Locked boxes are more common in Europe.

Under a locked box, the buyer relies on covenants that prohibit leakage, meaning dividends, management fees, or other value transferred to the seller after the locked-box date. An earnout is a separate tool that ties part of the price to performance after closing. Our article on earnout structures and Canadian tax covers that mechanism.

Protect the Agreed Price With Clear Definitions and Early Planning

The working capital adjustment protects the agreed price only when the definitions, the peg, and the true-up procedure are settled before signing. Both buyer and seller benefit from deciding these points early:

• Definitions: list included and excluded accounts, and treat deferred revenue, accruals, and related-party balances expressly.
• Peg: build it from normalized monthly figures tested in due diligence, over a period that reflects seasonality and current scale.
• Accounting hierarchy: put specific policies first and past practice second, and attach a sample calculation.
• Procedure: fix deadlines, access rights, objection requirements, and the role and limits of the independent accountant.

Sellers gain the most by preparing their own working capital analysis before going to market, as part of a wider exit strategy for a business sale. Buyers gain by aligning the closing statement preparation with their finance team and with post-closing integration plans, so the deadline does not collide with system changes.

Ladislav Beganyi completes more than 20 commercial transactions each year, and we draft these provisions alongside clients' accountants. The best time to raise working capital terms is when you prepare the letter of intent.

Frequently Asked Questions

Can an Ontario business have a negative working capital target?

Yes. A business that collects from customers before paying suppliers, such as a subscription service or some retailers, can operate normally with negative working capital, and the peg can be a negative number. The adjustment works the same way: closing working capital that is less negative than the target produces a surplus for the seller.

Is the working capital ratio the same as the working capital peg?

No. The working capital ratio (current ratio) divides current assets by current liabilities to measure liquidity. The peg is a dollar amount of net working capital, calculated under the deal definition, that the parties agree the business needs at closing.

When is a post-closing working capital adjustment paid?

It is paid after the closing statement becomes final, which often takes three to six months after closing. The timing depends on the preparation and review deadlines in the purchase agreement, and on any negotiation or expert determination. Payment is then due within a set number of business days, sometimes from an escrow or holdback.

Can a buyer change accounting policies when preparing the closing calculation?

Not if the agreement is drafted properly. A clear accounting hierarchy requires the buyer to apply the specified policies and the target's past practice, which keeps the closing figure comparable to the peg. Where the agreement is vague, a buyer may try to apply more conservative estimates, and this is a common source of disputes.

What happens if the buyer and seller cannot agree on the adjustment?

Unresolved items go through the dispute resolution procedure in the agreement, which is usually a referral to an independent accountant whose decision is binding. The accountant decides only the disputed accounting items, within the range of the parties' positions. Legal interpretation questions go to the court or arbitrator named in the agreement.