How to Read a CIM for PE Interviews and Case Studies

A Confidential Information Memorandum is a sales document. It is useful and biased. PE interviews and case studies reward people who can mine a CIM for a thesis while distrusting the gloss. Your job is not to summarize the book. Your job is to decide what must be true for the deal to work.

The short answer

"I read a CIM in layers: business model and KPIs first, then historical financials and adjustments, then growth plan and end markets, then risks buried in footnotes. I write a one-page take: what must be true, what I need to diligence, and a preliminary valuation frame. I never treat Adjusted EBITDA or 'visibility' as facts without a bridge."

First 20 minutes (timed case)

What to trust more vs less

Red flags to circle

1. Customer concentration without contract length
2. Growth entirely from acquisitions with no organic view
3. Working capital that blows up when growth appears
4. CapEx labeled "non-recurring" every year
5. End market stories that do not match revenue geography
6. Management case that needs margin expansion and multiple expansion
7. Revenue recognition that looks aggressive versus cash collections

Turning CIM into a thesis

Write three bullets max:

• Quality: recurring? switching costs?
• Growth: volume, price, or M&A?
• Risks: what kills the model?

Then a returns sketch: entry multiple on diligence EBITDA, leverage, exit, downside. If you cannot write the downside in one sentence, you have not finished reading.

Valuation hygiene while reading

• Note LTM vs NTM bases in the CIM
• Separate reported vs adjusted
• Check net debt items listed (and what is missing)
• See whether working capital peg themes appear in the process letter
• Watch for stub periods, calendarization, and carve-out allocations

A tidy football field built on soft EBITDA is still soft. Say the base before you say the multiple.

How to annotate under time pressure

Use a two-column note: claim vs test. Claim: "95% recurring revenue." Test: "contract length, churn, price increases, logo vs revenue retention." Claim: "low CapEx." Test: "maintenance vs growth split, deferred CapEx, leased vs owned." This habit keeps you from narrating the CIM's adjectives in the interview.

Verbal when asked "what did you think of the CIM?"

"Useful on business overview and historicals. I would diligence the addback bridge, customer retention proof, and the organic vs inorganic growth split before I underwrite their margin case. My preliminary view is recommend or pass lean because of one falsifiable reason."

Replace the blank with something specific: concentration, FCF conversion, or a growth bridge that only works with acquisitions.

Common case-study mistakes

1. Repeating management's moat language as your thesis
2. Using Adjusted EBITDA without a bridge
3. Ignoring net working capital and CapEx in a returns sketch
4. Asking twenty shallow diligence questions instead of eight ranked ones
5. Forgetting to state a decision lean

Management meeting prep from the CIM

Before a case interview that includes a management meeting, convert your ask list into conversation order: business model proof, then retention, then unit economics, then adjustments, then growth plan. Do not open with valuation. You earn the right to talk multiple after you show you understand the cash engine.

If the CIM includes a "key investment highlights" page, rewrite each highlight as a falsifiable diligence item. That rewrite is often your entire interview edge.

What "good enough" looks like in 25 minutes

You do not need a full LBO. You need: business in two sentences, three thesis bullets, reported vs adjusted EBITDA note, rough entry frame, top risks, and ranked asks. Candidates who build a perfect sources and uses with no thesis usually lose to candidates with a messy model and a sharp kill risk.

Practice

Take any public investor presentation as a proxy CIM. Spend 25 minutes producing: thesis (3 bullets), 10 asks, and a rough LBO outline. Compare to the PE case study framework. For sell-side packaging context, see What Is a CIM?.

Related

Quality of Earnings and Why Private Equity? if they pivot from technical to motivation. Also Customer Concentration when the logo page looks too pretty.