Return on Equity (ROE): What It Tells You About a Company

Imagine two friends each open a bakery. Both make 20,000 of profit in a year. One put 100,000 of her own money into the shop, the other put in 400,000. The profit is the same, but the first friend is clearly getting far more out of every unit of money she put in. Return on equity is the ratio that makes that difference visible for a listed company.

What return on equity measures

Return on equity, almost always shortened to ROE, compares a company's profit for the year with the money that belongs to its shareholders. That money is called shareholders' equity: everything the company owns minus everything it owes. It is the same figure that, divided by the number of shares, gives you book value per share. So ROE answers a plain question: for every 100 the owners have in the business, how much profit did the business make this year? In words, the formula is net income divided by shareholders' equity, multiplied by 100 to get a percentage. Net income is the profit left at the end, after every cost, the interest and the tax. Say Company A earned a net income of 12 million last year and its balance sheet shows 100 million of equity. Its ROE is 12 million divided by 100 million, which is 12%. If Company B earned the same 12 million on 200 million of equity, its ROE would be 6%. Same profit, half the return on what the owners have put in.

Where to find the two numbers in an annual report

Net income sits at the bottom of the income statement. In groups that own part of other companies you will usually see it split in two, and the line you want is the profit that belongs to the owners of the parent company, not the slice that belongs to minority shareholders of subsidiaries. Equity sits on the balance sheet, at the end of the liabilities and equity side, usually labelled total equity, with the same split between the parent's owners and minority interests. Use the parent's figure on both sides of the division so the two numbers describe the same people. One small choice changes the result more than people expect. Equity moves during the year, so many analysts divide by the average of the opening and closing equity rather than the year-end figure. If equity grew from 90 million to 110 million, the average is 100 million. For a stable company the difference is small. For one that raised new money or bought back a lot of shares during the year, it can move ROE by several points, so check which version a data provider is quoting before you compare two figures.

What ROE tells you, and what it does not

A company that keeps a steady ROE for many years, without piling up debt, is using the profit it keeps to earn more profit. If it earns 12% on equity and holds on to most of that profit instead of paying it out, the equity base grows, and next year it earns 12% on a bigger base. That is compounding inside the business, and it is one reason long-term investors pay attention to this ratio. What ROE does not tell you is how much risk the company took to get there, or whether the price you would pay for the shares makes sense. It is a measure of the business, not of the stock. A company with an excellent ROE can trade at a price that already assumes it stays excellent forever, and a company with a mediocre ROE can be improving. A high figure is a question to look into: how is it produced, and can it last?

The DuPont breakdown: three ways to get the same ROE

The most useful thing you can do with an ROE figure is take it apart. The method is called the DuPont breakdown, and it splits ROE into three ratios that multiply together. The first is the net profit margin: net income divided by revenue, or how much of each sale ends up as profit. The second is asset turnover: revenue divided by total assets, or how much selling the company squeezes out of everything it owns. The third is financial leverage: total assets divided by equity, or how many units of assets sit on each unit the owners put in. The rest was financed by borrowing and other liabilities.

Run it on Company A. Revenue is 200 million, net income 12 million, total assets 300 million, equity 100 million. The margin is 12 divided by 200, so 6%. Asset turnover is 200 divided by 300, about 0.67. Leverage is 300 divided by 100, so 3. Multiply them: 6% times 0.67 times 3 gives about 12%, the same ROE as before (the small gap is only rounding). Nothing new has been calculated, but now you can see the story. It is a business with a thin margin, a fair amount of assets for its sales, and a good deal of borrowing behind them.

That is why two companies with the same ROE can be very different businesses. A supermarket chain tends to earn a thin margin on each sale and can still reach a respectable ROE because its shelves turn over constantly. A luxury brand tends to earn a much fatter margin on each sale and sells far fewer items for the assets it holds. A bank typically earns a small return on its assets and reaches its ROE largely through leverage, because most of its balance sheet is funded by deposits and borrowing. The single ROE figure hides all of that. The three parts show it.

How debt inflates ROE

The third DuPont factor is where ROE most often flatters a company. Take Company A again and build a twin, Company B, with exactly the same shops, sales and operating profit, but financed differently: the same 300 million of assets, but 50 million of equity instead of 100 million, with the other 50 million coming from extra borrowing. The extra loan costs interest, so its net income is a little lower, say 10 million instead of 12. Its ROE is 10 million divided by 50 million, which is 20%. The business is no better. It has simply swapped 50 million of owners' money for 50 million of borrowed money. As long as the operations earn more than the debt costs, borrowing lifts ROE. The same arithmetic works in reverse when trading turns: profit falls, the interest bill stays where it was, and ROE drops much faster than it would for a competitor with little debt. So whenever you see a high ROE, look at the debt on the balance sheet and at how comfortably operating profit covers the interest. A high ROE built on heavy borrowing is a different thing from a high ROE built on high margins.

How buybacks and losses distort it

Share buybacks have a similar effect through a different door. When a company spends cash buying back its own shares, the cash leaves the balance sheet and equity shrinks by the same amount. Suppose Company A uses 40 million of spare cash for a buyback. Equity falls from 100 million to 60 million. Ignoring the small interest it no longer earns on that cash, profit stays around 12 million, and ROE jumps from 12% to 20%. Nothing in the shops changed.

Companies that have bought back shares for many years, often above book value, can end up with very small or even negative equity. At that point ROE turns into a huge number or a meaningless one, because you are dividing by almost nothing or by a minus figure. Losses cause the opposite trouble: a negative net income gives a negative ROE, and a company with negative equity and a loss can even show a positive ROE, which is pure arithmetic and tells you nothing. When the denominator is tiny or negative, put ROE aside and look at the other measures below. One-off items are the last trap. A company that sells a building or a division can book a large gain that lifts net income for a single year. ROE spikes, then falls back the year after. Read the notes for exceptional items, and look at five or ten years of ROE rather than one, so a single good or bad year does not decide what you think of the business.

ROE, ROA and ROIC: three different questions

Return on assets, ROA, divides net income by total assets instead of equity. Company A earns 12 million on 300 million of assets, an ROA of 4%. Because it ignores how the assets were paid for, ROA is a cleaner view of how productive the business is with everything it controls, and it is the ratio that exposes a high ROE driven by leverage: a company with a 20% ROE and a 2% ROA is mostly a borrowing story. It is a cousin of the broader idea of return on investment, applied to a whole company's balance sheet.

Return on invested capital, ROIC, sits between the two. It takes operating profit after tax, before interest, and divides it by the money actually put to work in the business from both owners and lenders, roughly equity plus debt minus spare cash. Say Company A makes 20 million of operating profit, pays tax at 25% on it, and has 250 million of invested capital. Its ROIC is 15 million divided by 250 million, or 6%. Because it counts lenders' money too, ROIC is much harder to inflate by borrowing alone, and analysts often compare it with the company's weighted average cost of capital to see whether the business earns more than its funding costs.

ROE has a matching benchmark of its own: the cost of equity, the return shareholders could reasonably expect for the risk of owning the shares. A company earning a 6% ROE when its owners could reasonably expect around 9% is earning less than they require for the risk, even while it reports a profit. How that expected return is estimated with beta and the CAPM is explained in our guide to the cost of equity.

Why ROE differs so much between industries

ROE is one of the main figures used for banks and insurers, because their whole business is lending or investing a large balance sheet built on a thin layer of equity, and regulators set how thin that layer may be. Utilities often carry a lot of debt and earn steady, modest returns. Software and brand companies can show a high ROE partly because research and marketing are usually expensed instead of recorded as assets, which keeps equity small. Asset-heavy manufacturers often sit lower. So compare a company's ROE with its own history and with businesses that genuinely do the same thing, not with a single number that is supposed to be good for everyone. The same logic applies to valuation ratios, covered in valuation metrics explained.

A short routine for reading ROE

Next time you look at a company, write down its ROE for the last five years. Break the latest year into margin, asset turnover and leverage, and ask which of the three moved most if the figure changed. Check whether equity is small or shrinking because of buybacks, whether debt went up, and whether a one-off gain sits in the year that looks best. Then put ROA and ROIC next to it. If all three tell a similar story, you have learned something about the business. If ROE stands alone far above the other two, you have learned something too.

To look up the figures for real companies, the Worthmap stock analysis page is a place to start, and it gives a score out of 36 from fixed rules in six areas, a checklist result, not a tip to buy or sell.

For information and education only, not a recommendation to buy or sell any security.

Written by

Federico Romaldi

Co-Founder, Worthmap

Published: October 31, 2026

Federico is a co-founder of Worthmap, a multi-currency net worth tracker with free investing calculators. He writes the site’s articles on value investing, fundamental analysis and tracking wealth held in several currencies. He is not a licensed financial adviser.