Why Middle-Market Deals Fail After the Term Sheet — And How to Prevent It

The Dangerous Space Between Agreement and Closing

There is a moment in every M&A transaction that feels like victory. The letter of intent is signed. Both parties have agreed, at least in principle, on what the business is worth and what a deal could look like. Handshakes happen. Optimism fills the room. And then, for far too many business owners, reality sets in — and the deal begins to unravel.

In our work at Bluefin Capital Advisors, we have watched transactions come apart not over valuation disagreements, but over what happens after the term sheet is signed. The post-LOI period is where deals are truly won or lost, and understanding why they fail is the first step toward ensuring yours does not.

The Five Most Common Post-LOI Breakdowns

After years of advising middle-market business owners through the transaction process, we have identified five recurring patterns that kill deals after the term sheet. Each one is preventable with the right preparation.

1. EBITDA Analysis That Does Not Hold Up

This is the most common deal-killer. Once buyers begin digging into owner compensation, one-time expenses, and customer churn patterns, the economics often do not support the original valuation. Add-backs that seemed reasonable during initial conversations start looking aggressive under scrutiny. Revenue that appeared recurring turns out to be project-based or concentrated in a handful of accounts. The buyer's confidence in the deal's economics erodes, and what follows is either a significant repricing or a walk-away.

The remedy is straightforward but requires discipline: invest in a Quality of Earnings analysis before you go to market. A third-party QoE validates the sustainability and accuracy of your reported earnings, eliminates the uncertainty that causes buyers to build in risk premiums, and gives you the credibility to defend your asking price with data rather than assertions.

2. Due Diligence Surprises Unrelated to Money

Intellectual property ownership disputes. Employment classification problems. Regulatory exposure. Key contracts without assignment provisions. These are not financial issues per se, but they create real risk — and sophisticated buyers price risk heavily. One missing assignment clause in a critical customer contract can delay a closing by months or kill it entirely.

We had a client discover during due diligence that ten key contracts — the ones that drove the entire business — lacked assignment provisions. The deal survived only because both parties genuinely wanted it to work, but it cost everyone time, money, and trust. Most deals do not have that safety net.

3. Financing Fragility

Markets have stabilized meaningfully since the volatility of 2023 and 2024, but lender underwriting remains tighter than pre-pandemic levels. Deals that would have cleared credit committees without issue a few years ago are being scrutinized more carefully today. This is largely outside a seller's control, but it is a real risk — and one reason why working with an advisor who understands the current lending landscape is critical to maintaining deal momentum.

4. Re-Trades and Deal Fatigue

Everyone in M&A knows the saying: time kills all deals. As negotiations drag on, trust erodes. Small issues become large ones because everyone is tired. The emotional weight of selling a business you have built over decades compounds with each passing week. We have seen sellers pull out after months of exhaustive work — not because the deal was bad, but because the process wore them down to the point where walking away felt easier than finishing.

5. Seller Unpreparedness

This may be the most fixable problem on the list. First-time sellers often do not know what they do not know. They are still running their businesses at full speed, have not built the right advisory team, and have not thought through what the process will actually require of them. When the anxiety mounts and the surprises pile up, sellers sometimes just walk.

What You Can Do Now — Twelve Months Before Going to Market

The good news is that most of these deal-killers are preventable with preparation that begins well before any buyer conversation. At Bluefin, we counsel our clients to begin with the end in mind. If you know you are going to sell to an institutional buyer, start running your company as if that day is already here.

Restate your financials on a GAAP basis. If you are running on a cash basis, start the conversion now — not under deal pressure. Make yourself replaceable by documenting processes, empowering your management team, and reducing the degree to which the business depends on you personally. Do a comprehensive cleanup of your operations — unfiled tax returns, outdated contracts, and informal employment arrangements all become leverage against you during due diligence.

Most importantly, build your deal team early. That team should include an experienced M&A advisor, a quality-of-earnings provider, and a transaction attorney who has closed deals in your industry. Sellers who try to keep the team small to save on fees almost always spend more in the end — in time, transaction costs, and sometimes lost deal value.

The Goal: Be the Best Horse at the Show

When you come to market, you want to be the company that moves faster, creates less risk, and commands a better multiple. You want buyers competing for you, not renegotiating because of surprises they found in diligence. That status is earned through years of disciplined preparation, not weeks of scrambling before a sale process.

At Bluefin Capital Advisors, we help business owners build that discipline long before the first buyer conversation. If you are considering a transaction in the next one to three years, the time to start preparing is now — not when the term sheet arrives.

Ready to ensure your deal closes on your terms? Schedule a free Exit Clarity Call with our team to discuss your timeline and preparation strategy.