Big Story

How Add-Backs Affect Business Valuations in M&A

Key Takeaways

• An add-back is an expense that a seller removes from reported earnings because it is unlikely to continue after the business is sold.

• Every accepted add-back increases adjusted EBITDA. Since buyers value many businesses using an EBITDA multiple, even a small adjustment can have a large effect on the purchase price.

• Buyers commonly accept excess owner pay, above-market rent paid to a related party, one-time legal or advisory fees, and other unusual expenses. Each adjustment needs clear supporting evidence.

• Many proposed add-backs are reduced or rejected during the quality-of-earnings review. Sellers are in a stronger position when they review and document each adjustment before going to market.

When a buyer values a business, the figure on the income statement is usually only the starting point. Buyers often focus on adjusted EBITDA, which is designed to show the earnings the company can continue to generate under new ownership. The calculation starts with reported EBITDA, which measures earnings before interest, taxes, depreciation, and amortization. Sellers and their advisors then identify expenses that may disappear after the transaction. These expenses are added back to reported EBITDA to produce adjusted EBITDA.

Common examples include excess owner compensation, one-time professional fees, above-market rent paid to a related company, and unusual costs linked to isolated events. The size of these adjustments can be significant. S&P Global Ratings found that add-backs represented 28% of management-adjusted EBITDA on a median basis across the transactions it reviewed.

Consider a business valued at six times EBITDA. If the buyer accepts $200,000 in add-backs, the enterprise value increases by $1.2 million. This explains why sellers spend so much time preparing add-back schedules. It also explains why buyers examine every proposed adjustment closely.

The core question is: Will the expense continue after the current owner leaves? If the cost disappears and the seller can prove it, the buyer is more likely to accept the adjustment.

Excess owner compensation is one of the most common add-backs. An owner may pay themselves more than the business would need to pay a replacement executive. If the owner earns $400,000 and a qualified replacement would cost $200,000, the $200,000 difference may be added back. Above-market rent can also qualify. A business owner may own the property used by the company and charge the business more than the normal market rate. A buyer may accept an adjustment for the difference if the seller can provide local rent comparisons or an independent property assessment.

One-time legal, accounting, or consulting fees may also be accepted. These could include costs linked to a lawsuit, restructuring, acquisition, or another unusual event. Buyers will usually review the history of these expenses to confirm that they are unlikely to return. Insurance losses, legal settlements, and other unusual charges may receive similar treatment once the event has been resolved and is unlikely to recur.

The adjustments that buyers reject often rely on future expectations. Projected cost savings, planned staff reductions, expected synergies, and revenue from recently signed contracts may improve future performance, but they have not yet appeared in the company’s historical results. Personal expenses can also create disagreement. Some owners run vehicles, travel, entertainment, or family payroll through the company. These costs may qualify as add-backs if the seller can show they were personal and unnecessary to the company’s normal operations.

Some owners pay themselves less than the market cost of replacing their role. If an owner earns $80,000 and a professional replacement would cost $200,000, the buyer may reduce adjusted EBITDA by $120,000. This reflects the true cost of running the business after the sale.

Most of these issues are tested during the quality-of-earnings review. The buyer’s accounting team checks the company’s financial statements and reviews every major adjustment. It may trace each item back to invoices, payroll records, tax returns, leases, bank statements, and supporting schedules. Strong documentation helps the review move faster.

Timing also matters. Many add-back disputes emerge after the Letter of Intent has been signed. At that stage, the buyer may already have exclusivity and a clear view of the company’s financial position. If the seller cannot support a major adjustment, the buyer may lower the valuation, change the deal structure, or add new conditions before closing.

Sellers can reduce this risk by preparing early. Every proposed add-back should include a clear explanation, a precise amount, and evidence linking it to the financial statements. Some sellers also complete a sell-side quality of earnings review before approaching buyers. These reviews often cost between $15,000 and $60,000, depending on the company's size and complexity. The review can identify accounting issues, test proposed add-backs, and show how a buyer is likely to calculate sustainable earnings.

The goal is to present an adjusted EBITDA figure that holds up during diligence. An inflated number may support a stronger initial valuation, but weak or unsupported add-backs often give buyers grounds to reduce the price later. A carefully prepared figure strengthens the seller’s position throughout the process. In lower-middle-market M&A, clear evidence behind every add-back helps preserve the agreed value through closing.

Governance Feed

1. Sellers preparing for a transaction tend to focus on valuation multiples, EBITDA, and the headline purchase price. Working capital is the key component that most often surprises owners and meaningfully affects the final proceeds they receive. Transactions that appear straightforward at the outset can grow complicated once the buyer and seller negotiate how much working capital must be delivered at closing. Owners who understand this mechanism early can plan for it. 

2. Buyers in lower-middle-market technology deals are evaluating far more than financial performance. Private equity firms and strategic acquirers now weigh the quality of recurring revenue, customer retention, AI capabilities, cybersecurity maturity, and product roadmaps before submitting a letter of intent. These factors shape positioning and price long before diligence begins. Founders of software, MSP, and technology-enabled services companies who prepare evidence on these points enter the process with a stronger footing. 

3. A debt-free balance sheet is often treated as the most conservative choice for a family-owned business, but that assumption deserves scrutiny. Borrowing should serve a defined purpose such as expanding capacity, funding an acquisition, or providing shareholder liquidity. Spending cash carries its own cost because every dollar used today is unavailable for working capital, dividends, or unexpected needs. Directors should test debt capacity in both normal and weaker years before deciding how to finance a move.

4. Financial statements tell a buyer what a business has done, while documented standard operating procedures tell a buyer whether the business can keep running after the owner exits. Undocumented operations push buyers toward earnouts, seller notes, and longer transition periods to manage the uncertainty. A binder assembled right before a sale carries less weight than a smaller set of procedures the team actually uses. Owners get the most value by starting documentation two to five years before a sale.

Thesis Principle

The working capital peg moves from $100K to $500K on many deals after the LOI is signed. The peg is the level of net working capital the seller must deliver at close, and any shortfall reduces the purchase price dollar for dollar. For a $5M deal with an $820K EBITDA business, the trailing 12-month average of receivables, inventory, and prepaids, net of payables and accruals, sets the peg at $200,000. A seller who sweeps cash and delays payables in the final months arrives at close with $76,000 of net working capital, and the purchase price drops by the $124,000 difference. Sellers protect themselves by negotiating the peg methodology in the LOI, pushing for a trailing average rather than a peak month, and keeping cash management practices unchanged through exclusivity.

Resources & Events

📅 ACG Kansas City Capital Connection & Wine Tasting (Kansas City, MO - September 23, 2026)

The 2026 ACG Kansas City Capital Connection and Wine Tasting will take place on September 23 at The Gallery in Kansas City, Missouri. The event will feature pre-scheduled one-to-one meetings between investment banks, private equity firms, capital providers, and other middle market professionals, followed by a wine tasting and networking reception until 6 PM. A new scheduling platform will help attendees arrange meetings in advance, while an optional lunch for professionals aged 40 and under. Details →

📅 ACG Atlanta DealSource (Atlanta, GA - September 23, 2026) 

ACG Atlanta DealSource 2026 will take place on September 23 at Truist Park in Atlanta, bringing together investment banks, private equity firms, and select lenders for a series of pre-scheduled 20-minute meetings focused on middle market dealmaking. Meetings will run at the Minolta Conference Center, followed by networking at Below the Chop during the Atlanta Braves game against the Cincinnati Reds. An optional ballpark tour and lunch can be added to registration. Details →

📊 Report Spotlight: Market Update Q1 2026 (Cornerstone Business Services) 

Cornerstone Business Services' Lower Middle Market M&A Market Update Q1 2026 found that North American M&A deal value reached $1.02 trillion across 5,539 transactions, up 22.8% quarter over quarter and 60.2% year over year. In the lower-middle market, average valuation multiples improved from 6.9x EBITDA in Q4 2025 to 7.3x EBITDA in Q1 2026, while businesses valued between $100 million and $250 million averaged 9.0x EBITDA. Private equity also remained active, completing 2,415 transactions during the quarter, but shifted toward smaller opportunities, with 76.3% of buyouts structured as add-on acquisitions. Read →

For the Commute

How to Build a Deal Model That Beats PE on Price (M&A Science)

Jeremy Segal has closed roughly 50 acquisitions across Progress, LogMeIn, and Akamai. The episode centers on how a strategic buyer wins competitive processes against private equity without submitting the highest headline number. Segal builds a cost-optimization model before the LOI that includes only the savings his team can actually execute, and then uses existing infrastructure to support a stronger bid. He also explains why a no-retrade commitment builds trust with sellers, how to surface diligence friction early before it kills a deal, and how to structure retention pools when a target expected an IPO and got an acquisition instead.