Legendary fund manager Li Lu (who Charlie Munger backed) once said, 'The biggest investment risk is not the volatility of prices, but whether you will suffer a permanent loss of capital.' It's only natural to consider a company's balance sheet when you examine how risky it is, since debt is often involved when a business collapses. We can see that Primoris Services Corporation (NYSE:PRIM) does use debt in its business. But should shareholders be worried about its use of debt?

Why Does Debt Bring Risk?

Debt is a tool to help businesses grow, but if a business is incapable of paying off its lenders, then it exists at their mercy. If things get really bad, the lenders can take control of the business. However, a more usual (but still expensive) situation is where a company must dilute shareholders at a cheap share price simply to get debt under control. By replacing dilution, though, debt can be an extremely good tool for businesses that need capital to invest in growth at high rates of return. The first thing to do when considering how much debt a business uses is to look at its cash and debt together.

What Is Primoris Services's Debt?

You can click the graphic below for the historical numbers, but it shows that Primoris Services had US$958.3m of debt in December 2023, down from US$1.14b, one year before. However, it also had US$217.8m in cash, and so its net debt is US$740.5m.

How Healthy Is Primoris Services' Balance Sheet?

Zooming in on the latest balance sheet data, we can see that Primoris Services had liabilities of US$1.34b due within 12 months and liabilities of US$1.26b due beyond that. Offsetting these obligations, it had cash of US$217.8m as well as receivables valued at US$1.49b due within 12 months. So its liabilities total US$881.6m more than the combination of its cash and short-term receivables.

This deficit isn't so bad because Primoris Services is worth US$2.33b, and thus could probably raise enough capital to shore up its balance sheet, if the need arose. However, it is still worthwhile taking a close look at its ability to pay off debt.

We use two main ratios to inform us about debt levels relative to earnings. The first is net debt divided by earnings before interest, tax, depreciation, and amortization (EBITDA), while the second is how many times its earnings before interest and tax (EBIT) covers its interest expense (or its interest cover, for short). This way, we consider both the absolute quantum of the debt, as well as the interest rates paid on it.

Primoris Services's net debt is sitting at a very reasonable 2.0 times its EBITDA, while its EBIT covered its interest expense just 3.3 times last year. While that doesn't worry us too much, it does suggest the interest payments are somewhat of a burden. Importantly, Primoris Services grew its EBIT by 48% over the last twelve months, and that growth will make it easier to handle its debt. The balance sheet is clearly the area to focus on when you are analysing debt. But ultimately the future profitability of the business will decide if Primoris Services can strengthen its balance sheet over time. So if you're focused on the future you can check out this free report showing analyst profit forecasts.

Finally, a business needs free cash flow to pay off debt; accounting profits just don't cut it. So we clearly need to look at whether that EBIT is leading to corresponding free cash flow. In the last three years, Primoris Services created free cash flow amounting to 4.9% of its EBIT, an uninspiring performance. For us, cash conversion that low sparks a little paranoia about is ability to extinguish debt.

Our View

When it comes to the balance sheet, the standout positive for Primoris Services was the fact that it seems able to grow its EBIT confidently. However, our other observations weren't so heartening. In particular, conversion of EBIT to free cash flow gives us cold feet. When we consider all the factors mentioned above, we do feel a bit cautious about Primoris Services's use of debt. While we appreciate debt can enhance returns on equity, we'd suggest that shareholders keep close watch on its debt levels, lest they increase. The balance sheet is clearly the area to focus on when you are analysing debt. But ultimately, every company can contain risks that exist outside of the balance sheet. To that end, you should be aware of the 2 warning signs we've spotted with Primoris Services .

At the end of the day, it's often better to focus on companies that are free from net debt. You can access our special list of such companies (all with a track record of profit growth). It's free.

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. 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.