Comparable Companies Analysis
The method of comparables values a firm by applying a multiple observed on similar listed companies to that firm’s own performance measure. The economic anchor is the law of one price, the idea that near-identical assets should trade at near-identical values. The workflow is disciplined. Find comparable firms in the same industry and size band, choose a valuation ratio such as or EV/EBITDA, apply the peer multiple to the target’s metric for an initial value, then adjust for differences in growth, risk and profitability. The estimate is only as good as the peer set, since comps that are themselves mispriced carry that error straight into the answer.
Try it yourself
Value a company off comparable peers. Take the medianpeer multiple and apply it to the target's own fundamental. EV multiples give an enterprise value, so you bridge to equity by subtracting net debt. Equity multiples (P/E, P/S) give the share price directly.
Cheap vs rich peers move the implied value a long way — the multiple imports the peer set's pricing. Then flip to P/E: an equity multiple lands on price directly, with no net-debt bridge.
Match the numerator to the denominator. EV/EBITDA is capital-structure-neutral, so an enterprise-value numerator must sit over a pre-interest measure such as EBITDA. Never pair EV with net income, which is already after interest. P/E and P/S are equity multiples and land on the share price directly.
Reflect: the median resists a single rich or distressed peer that would drag the mean. But every multiple inherits whatever mispricing sits in the comp set. When would you trust a multiple over a full discounted-cash-flow valuation, and when not?
Why it matters
If a well-run coffee chain trades at twenty times earnings, a similar coffee chain is a reasonable bet to be worth something near twenty times its own earnings. That is the whole instinct behind comps. It is fast and grounded in real market prices, which is why bankers reach for it first. The danger hides in the word similar. No two businesses share the same cost base, growth runway or risk, so the raw peer multiple is a starting point that you then tune up or down for the target’s own characteristics.
Formulas
Worked examples
You run a small coffee chain earning A$200,000 a year. Two listed coffee peers trade at a price-to-earnings ratio of about 20. Estimate the chain’s value, then adjust.
Apply the peer multiple to your earnings. 20 times A$200,000 gives a rough value of A$4 million. Now adjust for differences. If your chain is smaller and grows more slowly than the peers, you might trim the multiple toward 18, which lowers the estimate to A$3.6 million. If instead it has a distinctive brand and fatter margins, you might lift the multiple toward 22, raising the estimate to A$4.4 million. The peer multiple sets the anchor and the firm-specific adjustment finishes the job.
Common mistakes
- ✗Comparable firms must be identical to the target. No two firms match exactly, so the method relies on choosing close peers and then adjusting for the differences that remain.
- ✗A peer multiple gives the final value with no further work. The peer multiple is only an anchor. Growth, risk, size and profitability differences still have to be tuned in.
- ✗If the target looks cheap against its peers it must be undervalued. When the whole peer group is overpriced, a stock that is cheap relative to peers can still be expensive in absolute terms.
- ✗Comps and discounted cash flow answer the same question the same way. Comps read value from current market prices of others, while a DCF builds value from the target’s own forecast cash flows.
Revision bullets
- •Comparables apply a peer multiple to the target’s own metric
- •The economic anchor is the law of one price
- •Workflow: find peers, choose a ratio, apply it, then adjust
- •Adjust the raw multiple for growth, risk, size and profitability
- •Mispriced comps pass their error straight into the estimate
- •A whole-firm multiple and a per-share multiple give the same value
Quick check
In the method of comparables, the initial value estimate is found by
The economic principle that justifies valuing a firm off comparable firms is
Connected topics
Sources
- Titman & Martin, Ch. 8Titman, S., & Martin, J. D. Valuation: The Art and Science of Corporate Investment Decisions. Pearson.Sets out the method of comparables, peer selection and the adjust-for-differences step.
- Isard (1977), AERIsard, P. "How Far Can We Push the Law of One Price?" The American Economic Review, 67(5), 1977, pp. 942-948.Source for the law-of-one-price logic that underpins relative valuation.
- Damodaran on relative valuationDamodaran, A. Investment Valuation: Tools and Techniques for Determining the Value of Any Asset. Wiley.Comprehensive treatment of comparable-company multiples and the comparability problem.