Quick answer: A confidential information memorandum (CIM) is the document that presents a business to buyers who have signed a confidentiality agreement. It usually contains an executive summary, investment highlights, a description of the business and its market, operations, customers, a financial summary with normalized earnings, a growth plan, the management team and an outline of the sale process. It usually states no price and holds back the most sensitive data until later.
Key points
- The CIM is a selling document that must stay accurate. Every claim in it will be tested in diligence, and an overstated claim costs more credibility than it earns.
- Its job is to produce informed first-round offers, so it answers the questions that decide whether a buyer bids: what the business does, why it earns what it earns, and what a new owner can do with it.
- The financial section carries adjusted earnings with each adjustment explained, drawn from the same schedule used in every other document.
- Weaknesses are addressed factually, with context. A problem a buyer finds in the CIM’s own numbers is cheaper than one it finds later.
- Customer names, pricing detail and other competitively sensitive data are held back until a buyer is committed.
What the CIM is for
A CIM is a sales document with a narrow job. It gives a qualified buyer enough detail to decide whether to submit an offer, and enough accurate detail that the offer does not collapse later. It arrives after the anonymous teaser and the confidentiality agreement, and before first-round offers, as the overview of the sale process shows. It belongs to the preparation stage of the roadmap for preparing a business for sale.
The CIM is not the owner’s valuation report. The comparison of a valuation report and a CIM explains why: the report is private and candid about price and risk, while the CIM is persuasive within the limits of accuracy. Language and conclusions cannot be moved from one to the other.
Writing the CIM also works as a test. If a claimed strength cannot be supported with a fact, it is not yet a strength, and the drafting exposes the gap while there is still time to fix it. The sell-side advisor usually leads the writing. Owners who want help with the preparation work alone sometimes arrange it on a limited basis, which the guide to fractional investment banking describes.
The sections of a CIM, in order
| Section | What it contains | What the buyer is checking |
|---|---|---|
| Confidentiality notice | A reminder of the confidentiality agreement and a statement that the memorandum is not an offer, drafted with the company’s attorney | Whether the terms of access are clear |
| Executive summary | The business, its customers, its financial profile and what is being offered, in short form | Whether to keep reading |
| Investment highlights | The reasons the business is worth owning, each backed by a fact | Whether the reasons are evidence or adjectives |
| Business description | Products or services, how the company earns money, history, facilities, brand | Whether the model is easy to understand |
| Market and competition | The market, its direction, competitors and the company’s position | Whether the position is defensible |
| Operations | Facilities, equipment, processes, suppliers, systems and capacity | Whether the company can deliver, and what a new owner must invest |
| Customers and revenue | Revenue mix, concentration, tenure, retention and contract terms, shown in aggregate | The quality and durability of revenue |
| Financial summary | Historical results, adjusted earnings with each adjustment explained, working capital and capital spending | Whether the earnings figure is believable |
| Growth plan | Specific opportunities a new owner could pursue, and what each requires | Whether the upside is credible |
| Management and employees | Leadership roles, tenure and structure, and how decisions are made | Whether the business runs without the owner |
| Transaction and process | What is offered, how and when to respond, and whom to contact | How to bid |
The financial summary: where credibility is won or lost
Buyers go to the financial section first and read the rest in its light. Show the historical annual results and the recent periods, then a bridge from reported earnings to adjusted earnings in which every adjustment is named, described and explained. The guide to EBITDA add-backs shows which adjustments buyers accept, and the guide to building an EBITDA bridge shows the format. Present adjustments in both directions. A schedule that includes the items that reduce earnings signals that the owner has already thought like a buyer.
Add working capital by month, capital spending and revenue and gross profit by segment. Define every measure once and use it the same way throughout. The figures must match the teaser, the data room and the sell-side review exactly. If the books have not been cleaned first, as the cleanup checklist describes, the CIM will be rewritten when the numbers move.
If the memorandum includes projections, they should come from stated drivers and not from a target. The guide to building financial projections for a business sale covers how buyers read them.
Investment highlights, customers and growth
Each highlight pairs a claim with the evidence a buyer can test. The pattern below shows the difference.
Illustrative example: From claim to testable highlight
An owner of an invented specialty distributor drafts three highlights. The right-hand column shows the version a buyer can trace to a file. The figures are invented to show the form and are not benchmarks.
| Draft claim | Testable version |
|---|---|
| Loyal, diversified customer base | 340 active accounts. The largest is 6 percent of sales and the ten largest together are 28 percent. Of the accounts active at the start of the period, 85 percent ordered again in the final year. |
| Experienced management team | Four managers run sales, operations, finance and quality, with an average of 11 years at the company. The owner approves only pricing exceptions. |
| Strong growth opportunities | A second shift would raise capacity by a stated amount, and two signed customers have asked for volumes the current capacity cannot supply. |
Each testable statement can be matched to a customer-by-year file, an organization chart or a signed request in the data room.
The customer section shows concentration, tenure, retention and the reason each large loss occurred, with accounts identified by letter and not by name. The customer concentration guide explains how buyers read the table. The management section describes roles and decision rights, since buyers use it to judge how much of the business sits with the owner, a theme the key-person risk guide develops. The growth plan names specific levers, what each requires and any early evidence. It leaves out savings that only a particular buyer could achieve, because those belong to that buyer’s analysis.
What to hold back until later
The CIM goes to many buyers before any of them is committed, so it describes sensitive information in aggregate and leaves the detail for later stages.
- Customer names and customer-level pricing and margins. Release them late, to the selected buyer, and sometimes to its advisors only.
- Supplier names and terms.
- Compensation of individual employees.
- Proprietary formulas, designs and process detail.
- Contract documents. Summarize terms in the CIM and provide the documents in the data room.
The rule separates sensitivity from materiality. Information that could harm the company in a competitor’s hands is staged. A material weakness, such as a customer that has given notice or an unresolved dispute, is not held back, because a buyer who learns of it from diligence reads the omission as concealment. The data room guide shows how access is staged.
Mistakes that cost credibility
- Inflated claims. The CIM does not raise the final price, and diligence exposes what is overstated.
- Numbers that differ across documents. Buyers compare the teaser, the CIM and the data room, and inconsistencies lower trust.
- A price in the document. It anchors the negotiation and can limit the result.
- Silence about the obvious weakness. Buyers find concentration, owner dependence and customer losses in the numbers. A CIM that addresses them factually, with the steps taken, controls the conversation.
- A history-first structure. Owners often open with the founding story. Buyers want the economics first.
- Generic language. A highlight that fits any company in the industry convinces no one.
- Treating the CIM as the start of preparation. The memorandum summarizes work that has to exist already.
An inaccurate statement can also resurface after closing, because the seller’s promises about the business are written into the purchase agreement, as the guide to representations, warranties and indemnification explains. The memorandum feeds the next stage as well. The management presentation guide shows how buyers who have read it test it in person.
Frequently asked questions
What is a CIM in M&A?
A CIM, or confidential information memorandum, is the main marketing document in a sale process. It describes the business, its financial results and its opportunities in enough detail for a buyer who has signed a confidentiality agreement to decide whether to submit an offer. It is usually written by the sell-side advisor with input from the owner and management.
How long is a CIM?
Length varies with the business, but a CIM is long enough to answer a buyer’s first-round questions and short enough to be read in a sitting. The test for each page is whether it helps a buyer judge value or fit. Detail that supports verification belongs in the data room, not in the memorandum.
Does a CIM include the price?
Usually not. The CIM presents the business and its financials, and price expectations are set through the process, often by asking buyers for indications of interest. Naming a price can cap the outcome or turn away buyers who would have paid more. The CIM does explain how and when offers should be submitted.
Who is responsible for the accuracy of a CIM?
The sell-side advisor usually drafts it with input from the owner and management, since it needs both persuasive writing and accuracy. The owner remains responsible for the facts, because an inaccurate statement can become a dispute after closing. The company’s attorney often reviews the draft, including the confidentiality language, before release.
What should be left out of a CIM?
Customer names, detailed pricing, supplier terms, individual compensation and anything that would harm the company if a buyer used it competitively or the sale did not close. Those items are released later, to the selected buyer, often through restricted data room access. The CIM describes them in aggregate. Material weaknesses are not left out.
What is the difference between a CIM and a teaser?
A teaser is a short, anonymous summary sent first to gauge interest. A CIM is the detailed document released after a buyer signs a confidentiality agreement, and it identifies the company. The teaser opens the conversation, and the CIM supports the decision to bid.
Preparing a company for sale or a buyer's diligence?
The Impetus Group offers fractional investment banking support, including earnings normalization, financial projections, CIM preparation and help navigating buyer diligence, with an engagement scoped to what the business needs.
Related guides
- Valuation Report vs. CIM: Two Documents, Two Audiences: A valuation report is a private analysis for the owner. A CIM is a marketing document for buyers. See what each contains, who reads it and how they work together.
- How an M&A Sale Process Works: Stages From Preparation to Closing: A step-by-step view of a sell-side M&A process: preparation, marketing, bids, the letter of intent, diligence, the purchase agreement and closing.
- EBITDA Add-Backs: What Buyers Accept and What They Reject: Learn which EBITDA add-backs buyers accept in a sale, which they reject, and how adjusted EBITDA changes enterprise value, with a worked illustration.
- Virtual Data Room for Selling a Business: Structure, Staging and Access: How to build and run a virtual data room for selling a business: folder index, staged access by bidder, masking, the question log, audit trail and version control.
- Management Presentations in M&A: How to Prepare for Buyer Meetings: How to prepare a management presentation in M&A: its purpose, who presents and who stays quiet, the storyline, hard questions, projections and follow-up.
- Business Sale Readiness Assessment: A Scorecard for Owners Before Going to Market: Score your company in six areas the way a buyer will: reporting, customers, people, operations, legal records and your role. See quick fixes versus slow fixes.
This guide is general education. It is not a valuation opinion, appraisal, investment advice, or legal or tax advice. How these guides are made.