# With A 7.1% Return On Equity, Is ACS, Actividades de Construcción y Servicios, S.A. (BME:ACS) A Quality Stock?

By
Simply Wall St
Published
November 27, 2020

While some investors are already well versed in financial metrics (hat tip), this article is for those who would like to learn about Return On Equity (ROE) and why it is important. To keep the lesson grounded in practicality, we'll use ROE to better understand ACS, Actividades de Construcción y Servicios, S.A. (BME:ACS).

Return on equity or ROE is an important factor to be considered by a shareholder because it tells them how effectively their capital is being reinvested. In simpler terms, it measures the profitability of a company in relation to shareholder's equity.

See our latest analysis for ACS Actividades de Construcción y Servicios

### How Do You Calculate Return On Equity?

The formula for return on equity is:

Return on Equity = Net Profit (from continuing operations) ÷ Shareholders' Equity

So, based on the above formula, the ROE for ACS Actividades de Construcción y Servicios is:

7.1% = €315m ÷ €4.4b (Based on the trailing twelve months to September 2020).

The 'return' is the amount earned after tax over the last twelve months. One way to conceptualize this is that for each €1 of shareholders' capital it has, the company made €0.07 in profit.

### Does ACS Actividades de Construcción y Servicios Have A Good ROE?

By comparing a company's ROE with its industry average, we can get a quick measure of how good it is. However, this method is only useful as a rough check, because companies do differ quite a bit within the same industry classification. As shown in the graphic below, ACS Actividades de Construcción y Servicios has a lower ROE than the average (11%) in the Construction industry classification.

That certainly isn't ideal. That being said, a low ROE is not always a bad thing, especially if the company has low leverage as this still leaves room for improvement if the company were to take on more debt. When a company has low ROE but high debt levels, we would be cautious as the risk involved is too high. Our risks dashboard should have the 5 risks we have identified for ACS Actividades de Construcción y Servicios.

### How Does Debt Impact Return On Equity?

Companies usually need to invest money to grow their profits. That cash can come from retained earnings, issuing new shares (equity), or debt. In the case of the first and second options, the ROE will reflect this use of cash, for growth. In the latter case, the debt required for growth will boost returns, but will not impact the shareholders' equity. In this manner the use of debt will boost ROE, even though the core economics of the business stay the same.

### Combining ACS Actividades de Construcción y Servicios' Debt And Its 7.1% Return On Equity

It's worth noting the high use of debt by ACS Actividades de Construcción y Servicios, leading to its debt to equity ratio of 2.93. Its ROE is quite low, even with the use of significant debt; that's not a good result, in our opinion. Debt increases risk and reduces options for the company in the future, so you generally want to see some good returns from using it.

### Conclusion

Return on equity is useful for comparing the quality of different businesses. In our books, the highest quality companies have high return on equity, despite low debt. If two companies have around the same level of debt to equity, and one has a higher ROE, I'd generally prefer the one with higher ROE.

But ROE is just one piece of a bigger puzzle, since high quality businesses often trade on high multiples of earnings. Profit growth rates, versus the expectations reflected in the price of the stock, are a particularly important to consider. So you might want to take a peek at this data-rich interactive graph of forecasts for the company.

Of course ACS Actividades de Construcción y Servicios may not be the best stock to buy. So you may wish to see this free collection of other companies that have high ROE and low debt.

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This article by Simply Wall St is general in nature. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.
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