What is a confidential information memorandum?
A confidential information memorandum — universally the CIM, and colloquially the book — is the comprehensive marketing document a sell-side banker prepares to present a company for sale. It lays out the business, its market, its financials, its management, and the investment thesis, and it is the document on which a buyer forms an initial view and decides whether to pursue the deal.
The CIM is sent only to buyers who have signed a non-disclosure agreement, after an initial teaser has generated interest. It is unapologetically a sales document — written to present the business in its best credible light — but it is also the factual foundation a buyer's diligence will test against.
Because the CIM frames the entire process, buyers read it with two minds at once: absorbing the story the seller wants to tell, and noting what the story leaves out. The gaps in a CIM are often as informative as its contents.
What a CIM contains and how it is used
The CIM follows a recognizable structure designed to build the case for the business.
- Executive summary. The investment highlights — why this business, why now.
- Business overview. Products, customers, operations, and how the company makes money.
- Market and competition. The opportunity the seller wants the buyer to underwrite.
- Financials. Historical performance and, often, a management projection of the future.
- Management and structure. The team and the organization being sold.
Buyers use the CIM to decide whether to submit an indication of interest, to shape their initial valuation, and to frame the questions they will pursue once the data room opens.