Why growing revenue can still lower business value

Sales are up, and the number a buyer mentions has not moved. Here is how four kinds of growth can lower value, and how to rebuild your earnings the way a buyer will.

By Surfside Capital AdvisorsPublished Updated 3 min read

Two colleagues at a desk by a window, one pointing at a line on a printed statement

Buyers pay for the earnings they expect to keep, and revenue counts only as far as it produces them. Growth can lower value when it brings thinner margins, one-time deals, heavy reliance on a few customers, or costs that rise faster than profit. Each raises the buyer's risk, so the multiple can fall even as sales climb.

Sales are up this year, yet the number a buyer or banker mentions has not moved, or has dropped. That feels unfair after the work it took to grow, and it usually traces back to what sits underneath the revenue: how much of it turns into profit, how much of it will repeat, and who it depends on.

What do buyers look at first?

Earnings, and then a multiple that reflects risk. The IRS ruling that valuation professionals use as a starting point for closely held companies names the earning capacity of the company as a factor, and says that uncertainty about the stability or continuity of future income lowers value.

An illustration shows how that plays out. A company with $2 million of EBITDA at 5 times is priced at $10 million. Add $500,000 of new revenue that is low-margin or one-time, and EBITDA stays flat. If that revenue also raises questions in diligence, the buyer may price the company at 4 times, which is $8 million: a $2 million swing in a year when sales grew. What moves an exit multiple covers how buyers set that number.

How can revenue growth lower business value?

In four common ways, each of which a buyer tests directly.

PatternWhat a buyer seesWhat to check
Customer concentrationRevenue that could leave with one accountThe share of revenue from your largest customers, and how long their contracts run
Low-margin revenueSales that add cost almost as fast as profitMargin by customer and by product or service
One-time deals presented as recurringA bump that disappears once it is normalizedWhat repeats without a new sale
Costs that outrun revenueHeadcount and overhead growing faster than profitEBITDA margin over several years

There is no universal cutoff for how much concentration is too much. The SBA's quality-of-earnings standard for acquisition loans shows what a lender's reviewer examines: customer concentration risk, contract continuity, and the likelihood that existing revenue and margins will hold after the sale.

Margin changes the picture more than size does. A company with $8 million of revenue and a 5% EBITDA margin earns $400,000, while one with $4 million of revenue and a 20% margin earns $800,000. At the same multiple, the smaller company is worth twice as much (an illustration, not a benchmark).

Is your EBITDA clean?

A multiple is only as good as the EBITDA beneath it, so buyers restate yours before they apply one. When the SBA requires a quality-of-earnings report for an acquisition loan, the report must document every add-back and adjustment to the seller's reported earnings, including non-recurring revenue or expenses, above- or below-market owner compensation, related-party transactions, deferred maintenance, and differences between cash-basis and accrual-basis reporting.

A multiple of unadjusted EBITDA can overstate what a buyer will pay, because the buyer restates the earnings before applying any multiple. How to calculate an EBITDA multiple walks through the restatement.

How can you check your own business?

Do the work a buyer's team will do, in this order:

  1. Split revenue by customer and by margin for the last three years.
  2. Separate one-time revenue from the run rate.
  3. Rebuild EBITDA the way a buyer would, with a document behind each adjustment.
  4. List what only you can do, because a buyer reads that as risk.

Doing this first means a buyer's diligence confirms your numbers instead of discovering them.

What to do next

Start with step 1 above, because the customer and margin split usually shows where the risk sits. Then compare your restated EBITDA with the number you have been using, and note the gap.

We rebuild your EBITDA with you, document each adjustment, and set out a valuation range, so you see the number a buyer will see. That is part of our M&A advisory work.

Questions owners ask

Can I work out my own number?

You can learn the arithmetic and reach a rough range yourself. A self-made number is most likely to slip in two places, the restatement of earnings and the choice of multiple, because both depend on judgment. Having someone else check them is where a second view helps most.

Does growth ever raise value?

Yes. Growth that comes with steady or rising margins, repeat customers, and a team that can deliver without you adds earnings a buyer can count on. The difference is quality, and how to increase business value before an exit covers the changes that matter.

General information, not legal, tax, or investment advice.

Sources

  1. Rev. Rul. 59-60, 1959-1 C.B. 237 (full text in Appendix A of the IRS job aid on valuing S corporation interests), Internal Revenue Service,
  2. SOP 50 10 8.1, Appendix 15: 7(a) Changes of Ownership (quality of earnings requirements), effective October 1, 2026, U.S. Small Business Administration,

Figures and rules as published by these sources on the dates shown.

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