Processes, accounts, and reporting are kept so tangled that buyers, auditors, or new owners cannot check performance or find buried problems in the time they have, and settle for management's account.
An example
Six weeks of exclusivity was all the buyer's director of corporate development had to finish diligence on a family-owned industrial distributor that was up for sale. The data room held eleven thousand documents, and every request produced more: a second rebate ledger, a list of intercompany charges among the owners' three operating companies, inventory reserves calculated in a spreadsheet only the controller understood. The definition of gross margin had changed twice in two years without a note. When her team asked for a single reconciliation from the general ledger to the management accounts, they received four partial ones. With the closing date fixed and the advisers' budget nearly spent, the buyer accepted the management presentation and relied on its insurance policy for the rest. Eight months after closing, a review found vendor rebates had been overstated by three million dollars a year.
Why it works
No lie is needed. The tactic makes checking costly: tangled account structures, undocumented adjustments, measures redefined without notes, and models one person understands each multiply the hours a verifier would need. Accepting management's account becomes the easy path, because it offers a coherent story while the source systems offer nothing usable in the time available. Deal conditions favor it: a fixed deadline for the verifier, scarce or expensive forensic specialists, insurance that moves the post-close risk off the buyer, and complexity that can pass as ordinary business complexity. It fails against a verifier with time and forensic resources, or when the pattern itself starts to look like fraud.
The thinking behind it
George A. Akerlof The Market for "Lemons": Quality Uncertainty and the Market Mechanism (1970) shows that when the seller knows quality and the buyer cannot tell, the buyer is left pricing on averages and bearing the risk of what it cannot see. A diligence team facing an unreadable data room is that buyer. Complexity keeps the uncertainty high, and certified attestations and standard reconciliations shift the burden back to the seller, who knows the truth.
Herbert A. Simon Simon's Designing Organizations for an Information-Rich World (1971) observes that information consumes the attention of its recipients and that most of its cost falls on them. Eleven thousand documents and four partial reconciliations put that cost on the verifier, whose attention runs out before the deadline does. Agreeing the scope and the reconciliations in advance limits how much attention the buyer must spend.
Oliver E. Williamson Markets and Hierarchies: Analysis and Antitrust Implications (1975) assumes bounded rationality, so contracts are always incomplete, and opportunism, which includes incomplete or distorted disclosure. A sale on a fixed timetable meets both: buyers cannot check everything, and some sellers exploit that. Attestations with consequences are the kind of contractual safeguard his framework expects parties to build against it.
Warning signs
Each diligence answer adds documents, and nothing reconciles to a single source. Definitions of key measures change from quarter to quarter without notes. Critical models are understood by one person. Explanations lean on legacy systems or a complex structure. The deadline is fixed, the advisers' budget is limited, and the data room grows faster than anyone can read it. Simple questions get long answers.
How to defend yourself
Shift the cost of verification back onto the party disclosing.
- Agree the audit scope and the reconciliations you need before exclusivity starts, and make them conditions of the timeline.
- Require standard formats and documented data lineage: one reconciliation from ledger to management accounts, signed off.
- Ask for certified attestations on the figures you rely on, with consequences if they prove wrong.
- Extend the timeline, or bring in forensic accountants, when the reconciliations do not arrive.
Read volume as a signal. When the answers keep growing and nothing ties out, the complexity may be the thing you are buying.
How a leader shuts it down
Before a sale, an audit, or a handover, require that key processes and figures can be traced and reconciled by someone other than the people who built them. Put definitions of key measures under change control, with notes. A selling board that wants a clean result should insist on standard disclosure, and a buyer should budget diligence for the complexity the target presents.