Summary: Most deals don’t fail because of what buyers find in diligence; they fail because of when it’s found. Once expectations and the valuation are already set, a legitimate accounting or operational issue turns into a pricing dispute and often a trust issue. The deals that close most efficiently aren’t the cleanest ones; they’re the ones where the biggest risks are identified early enough for both sides to evaluate them before they become late-stage surprises.

Diligence is usually where deals fall apart. But most deals don’t fail because of what buyers actually find. They fail because the issues that matter most aren’t identified until expectations – and the valuation – have already been established.

Throughout the last year, KSM’s Transaction Advisory Services Group has seen transactions stall or collapse for reasons ranging from accounting methodology and working capital disputes to labor compliance issues, financing challenges, and strategic misalignment. Some of those outcomes were unavoidable, but many simply surfaced too late in the process.

We support hundreds of lower middle-market transactions each year, primarily in the $2 million to $25 million EBITDA (earnings before interest, taxes, depreciation, and amortization) range. While every transaction is unique, the same pattern continues to emerge: The deals that close most efficiently aren’t necessarily the cleanest businesses; they are the businesses where the most significant risks are identified early enough for buyers and sellers to evaluate them before they become late-stage surprises.

Four Reasons Deals Collapse

Looking back at the transactions that stalled or failed this year, four themes consistently emerged.

1. Earnings Quality and Financial Reporting

Earnings quality and financial reporting issues were by far the most common source of disruption. Transactions were delayed or terminated because of the following:

• Cash-to-accrual conversions that materially changed EBITDA
• Unbilled revenue calculations that significantly impacted earnings
• Bad debt methodologies that altered normalized EBITDA
• Working capital assumptions that evolved materially during diligence
• Revenue concentration and key-person dependency that changed buyer underwriting

These issues are more common among first-time sellers who haven’t been through a transaction before. But none of these issues necessarily made the businesses unattractive. The challenge was timing.

By the time the magnitude of the issue became clear through the quality-of-earnings process, valuation expectations had already been established, and both sides had become anchored to a number. What began as an accounting discussion quickly became a pricing discussion – and often a trust discussion.

2. Operational, Legal, and Compliance Risks

Not every challenged transaction starts with its financial statements. This year we also encountered deals impacted by operational, legal, and compliance risks, including the following:

• Worker classification issues
• I-9 compliance concerns
• Union-related labor exposure
• Previously undisclosed regulatory liabilities
• Product recall and operational risks

These aren’t purely financial issues, but they often carry significant valuation implications once quantified. The earlier they are identified, the more flexibility buyers and sellers have to evaluate options rather than react under compressed timelines.

3. Strategic Misalignment

Some transactions simply weren’t the right fit. In several cases, buyers discovered during diligence that the target business didn’t align with their investment thesis or platform strategy. In other cases, sellers ultimately decided not to transact, or businesses operating in secular decline couldn’t support buyer expectations.

These are strategic decisions – not diligence failures.

4. Valuation and Capital Markets

Not every deal dies because the business changed. Sometimes the financing environment changes instead.

Some businesses’ operating performance exceeded expectations, yet buyers couldn’t obtain financing at the valuation established in the letter of intent (LOI). Others ultimately failed because buyer and seller expectations never converged.

Preparation can’t eliminate these outcomes, but it can help distinguish market-driven challenges from diligence-driven ones.

Why Timing Matters More Than Perfection

One observation has become increasingly clear: Successful transactions don’t avoid risk; they identify it early enough for both parties to underwrite it appropriately.

Some of the most meaningful valuation adjustments simply cannot be identified until a detailed quality-of-earnings analysis is underway. Cash-to-accrual conversions, revenue recognition analyses, working capital normalization, and earnings adjustments often require significant diligence before the true impact becomes apparent.

The objective isn’t to eliminate surprises before an LOI. It’s to avoid discovering material surprises during the final weeks of a transaction, when leverage, timelines, financing, and trust are all under pressure.

The Cost of Late Discovery

The financial impact of late surprises can be significant. For example, a $500,000 reduction in normalized EBITDA at a 6.0x multiple represents a $3 million reduction in enterprise value.

But the valuation adjustment is only part of the cost. Every additional week of diligence increases management distraction, advisory fees, buyer fatigue, financing uncertainty, and the likelihood that business performance changes before closing.

Several of the transactions we observed this year spent months working through issues that ultimately changed buyer underwriting. In many cases, the issue itself wasn’t a deal-killer, but the timing of its discovery was.

What Can Be Identified Earlier?

Not every failed transaction is preventable. Likewise, not every issue can or should be resolved before an LOI is signed.

Many of the most significant valuation adjustments become apparent only after a quality-of-earnings analysis is well underway. What can be controlled is when those issues are identified.

Starting diligence earlier gives buyers and sellers more time to understand the magnitude of accounting, operational, and commercial risks before they become last-minute negotiation points.

Some of the recurring themes we observed this year included:

• Cash-to-accrual conversions: In several engagements, the magnitude of the adjustment wasn’t fully understood until the quality-of-earnings process progressed beyond the initial data requests. Once quantified, however, the adjustment materially changed buyer underwriting and became the focal point of valuation discussions.
• Working capital normalization: The appropriate peg and normalization methodology often evolved as diligence progressed and additional information became available. Starting that analysis earlier reduced the likelihood that working capital became a late-stage renegotiation rather than a mechanical closing adjustment.
• Revenue concentration and key-person risk: These aren’t always deal breakers. However, understanding the extent of customer concentration or management dependency early gives buyers the opportunity to underwrite the risk appropriately instead of repricing the transaction after diligence.
• Operational and compliance exposure: Worker classification, I-9 compliance, regulatory matters, and similar issues aren’t resolved through a quality-of-earnings analysis alone, but understanding their financial implications earlier allows buyers and sellers to address them proactively rather than reactively.

The common thread isn’t that these issues can always be solved before a transaction begins. It’s that the earlier they’re understood, the more options everyone has.

The Best Deals Aren’t Surprise-Free

One of the biggest misconceptions about diligence is its purpose is to prove a business is perfect. It isn’t; every business has risks. The real objective is to understand those risks before they become negotiation points.

The transactions that move most efficiently aren’t the ones without issues. They’re the ones where buyers and sellers develop a shared understanding of the earnings profile, working capital dynamics, and operational realities of the business early enough to make informed decisions.

KSM’s Perspective on Diligence

Working on hundreds of lower-middle-market transactions each year gives KSM’s Transaction Advisory Services Group a unique perspective on how deals actually unfold and not just how they’re supposed to unfold.

Some transactions shouldn’t close: Business fundamentals change, markets shift, financing disappears, and strategies evolve.

Our goal isn’t to eliminate every issue before a transaction begins. The goal is to surface the issues that matter early enough so buyers and sellers can make informed decisions while there is still flexibility in the process.

In our experience, deals rarely fail simply because a problem exists. They fail because it was discovered too late.

Need help navigating your next transaction? Contact KSM’s Transaction Advisory Services Group via the form below.