Operating margin and operating leverage, with Indian examples

Operating margin equals operating profit divided by revenue, shown as a percentage. Operating profit is revenue minus the costs of running the business: materials, salaries, rent, marketing and depreciation. It leaves out interest on loans, tax and usually one-off items.

If a company earns ₹200 crore and its operating profit is ₹20 crore, the operating margin is 10%. A negative margin means the business loses money before interest and tax. It is a useful measure because it shows whether the core business works, separate from how it was financed.

EBITDA adds back depreciation and amortisation, so EBITDA margin is usually higher than operating margin. Net margin comes after interest and tax and also includes other income. Three companies with the same sales can show three different numbers on these lines.

Definitions are not fixed. Some companies call EBIT operating profit, others use their own adjusted measures. Under Schedule III of the Companies Act, 2013, the format of the profit and loss statement does not include a line called operating profit, so each company builds the number from its own lines. Always check how a story or filing defines it.

Gross margin looks only at the direct cost of goods or services. Operating margin also deducts selling, technology and admin costs. A company can have a healthy gross margin and a negative operating margin if overheads are heavy. This guide is general information and not investment advice.

Costs are of two kinds. Variable costs rise with sales, such as raw materials and delivery fees. Fixed costs stay roughly the same over a range of sales, such as rent, a tech team and head-office salaries. Operating leverage is the effect of having a large fixed share.

When revenue rises, fixed costs do not rise with it, so each extra rupee of sales brings in more profit. Margin expands faster than revenue. A live case is the StopDown story on Freshworks, a listed software company: quarterly revenue rose 14%, the operating margin stood at 11.5%, and the company swung from a loss a year earlier to a net profit.

Imagine a business with ₹100 crore of revenue, ₹60 crore of variable costs and ₹35 crore of fixed costs. Profit is ₹5 crore. If revenue rises 10% to ₹110 crore, variable costs rise to ₹66 crore, fixed costs stay at ₹35 crore and profit becomes ₹9 crore. Revenue grew 10%, profit grew 80%.

The effect is strongest when a company is near break-even. A small increase in sales is enough to cover the fixed bill and turn a loss into a profit. This is the logic behind investors accepting early losses: if costs are mostly fixed, scale can change the picture.

The same arithmetic works downward. If sales fall 10%, fixed costs stay put and profit falls by a larger share. A company with heavy fixed costs and shaky demand can slide from profit to loss quickly.

Debt adds a second layer. Interest is a fixed charge too, so a company with loans is more exposed to a revenue dip. Reading the margin together with debt and cash gives a fuller view of risk.

Software and platform companies have low variable costs once the product is built, so margins can widen sharply with scale. Marketplaces and networks gain as more users share the same technology and brand spend. Manufacturers and cloud kitchens with factories or kitchens are in between: fixed assets help once they are full, but empty capacity hurts.

Services and trading businesses, such as distribution, have mostly variable costs. Their margins are thin and move little with scale, so operating leverage matters less for them.

• High: software, marketplaces, payment networks.
• Medium: factories, hospitals, cloud kitchens, charging and swapping networks.
• Low: distribution, staffing, commodity trading.

Check which margin the headline uses and whether it is adjusted. Check if the margin improved because revenue grew, because costs were cut, or because a cost was moved below the line. A cut in marketing can lift margin for a few quarters and then weaken growth.

Also read the margin beside growth. A rising margin with rising sales shows genuine operating leverage. A rising margin with falling sales may show cost cutting that cannot last. The SEBI ICDR rules for IPO filings expect measures that are not standard accounting terms to be defined, so read the definition before comparing two companies.

Start with revenue from operations. Subtract the cost of materials, employee costs, depreciation and other expenses. The remainder is operating profit, and dividing it by revenue gives the margin. Leave out finance costs, tax and other income, because they sit outside the core business.

A quick check is to compare the result with the profit before tax shown in the filing. Profit before tax equals operating profit plus other income minus finance costs, so the two numbers should reconcile once you add and subtract those lines. If they do not, the company may be using a different definition.

Analysts sometimes put a number on the effect. The degree of operating leverage equals the percentage change in operating profit divided by the percentage change in revenue. In the made-up case above, profit rose 80% on a 10% rise in revenue, so the degree is 8. A higher figure means profit is more sensitive to sales, in both directions.

The figure is only meaningful over a narrow range. When a company must hire a new team, open a new factory or add a warehouse, fixed costs step up and the earlier relationship breaks.

Investors back loss-making startups on the belief that margins will widen with scale. Operating leverage is the mechanism behind that belief. When a founder says the business will turn profitable at a certain size, the claim rests on how much of the cost base is fixed and how fast revenue can grow against it.

A reader can test the claim by looking at the history. If revenue doubled over two years but operating losses barely shrank, costs have been rising almost in step with sales and the leverage is weak. If losses fell sharply on the same growth, the fixed-cost story is working.