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VDR glossary · Due diligence

What is confirmatory due diligence?

Definition

Confirmatory due diligence: The narrower review a preferred buyer runs after signing a letter of intent, aimed at verifying the assumptions behind its price rather than discovering the business from scratch.

How it works in a data room

By this stage the seller has usually chosen one party and granted it a period of exclusivity. The administrator opens folders that were hidden during the competitive rounds: full customer contracts, employee files, detailed tax workpapers, sometimes source code summaries. Requests become pointed and numerous, so the Q&A module and request tracking carry most of the traffic. Specialists from the buyer side, such as environmental consultants or insurance brokers, are often invited for a few weeks and then removed.

Why it matters in a deal

Confirmatory work is where price chips happen. A buyer that bid on summary data now sees the detail and may ask for a lower price, a bigger escrow or a specific indemnity. Sellers protect themselves by releasing information in planned stages, a practice described under staged disclosure, and by answering fast, because an exclusivity period that runs out with open questions weakens their hand. Room speed and clean reporting therefore matter more here than at any earlier phase. Our guide to due diligence data rooms lists the features that keep this phase on schedule.

Example

A family-owned packaging maker in Ohio signs a letter of intent with a strategic buyer at $85 million and grants 60 days of exclusivity. During the first week the buyer’s counsel requests every customer agreement with a change-of-control clause. The seller had prepared those files in advance in a hidden folder and switches it to view only the same afternoon, which keeps the review on track and the price intact.

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