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.' When we think about how risky a company is, we always like to look at its use of debt, since debt overload can lead to ruin. Importantly, Mainfreight Limited (NZSE:MFT) does carry debt. But the more important question is: how much risk is that debt creating?
What Risk Does Debt Bring?
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. Part and parcel of capitalism is the process of 'creative destruction' where failed businesses are mercilessly liquidated by their bankers. However, a more frequent (but still costly) occurrence is where a company must issue shares at bargain-basement prices, permanently diluting shareholders, just to shore up its balance sheet. Of course, debt can be an important tool in businesses, particularly capital heavy businesses. When we think about a company's use of debt, we first look at cash and debt together.
What Is Mainfreight's Net Debt?
You can click the graphic below for the historical numbers, but it shows that Mainfreight had NZ$124.5m of debt in March 2025, down from NZ$147.4m, one year before. But on the other hand it also has NZ$179.4m in cash, leading to a NZ$54.9m net cash position.
How Healthy Is Mainfreight's Balance Sheet?
According to the last reported balance sheet, Mainfreight had liabilities of NZ$851.6m due within 12 months, and liabilities of NZ$1.23b due beyond 12 months. On the other hand, it had cash of NZ$179.4m and NZ$645.3m worth of receivables due within a year. So it has liabilities totalling NZ$1.25b more than its cash and near-term receivables, combined.
Since publicly traded Mainfreight shares are worth a total of NZ$6.95b, it seems unlikely that this level of liabilities would be a major threat. However, we do think it is worth keeping an eye on its balance sheet strength, as it may change over time. Despite its noteworthy liabilities, Mainfreight boasts net cash, so it's fair to say it does not have a heavy debt load!
Check out our latest analysis for Mainfreight
Mainfreight's EBIT was pretty flat over the last year, but that shouldn't be an issue given the it doesn't have a lot of debt. When analysing debt levels, the balance sheet is the obvious place to start. But ultimately the future profitability of the business will decide if Mainfreight 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 company can only pay off debt with cold hard cash, not accounting profits. Mainfreight may have net cash on the balance sheet, but it is still interesting to look at how well the business converts its earnings before interest and tax (EBIT) to free cash flow, because that will influence both its need for, and its capacity to manage debt. Looking at the most recent three years, Mainfreight recorded free cash flow of 39% of its EBIT, which is weaker than we'd expect. That's not great, when it comes to paying down debt.

Summing Up
While Mainfreight does have more liabilities than liquid assets, it also has net cash of NZ$54.9m. So we are not troubled with Mainfreight's debt use. When analysing debt levels, the balance sheet is the obvious place to start. But ultimately, every company can contain risks that exist outside of the balance sheet. For example - Mainfreight has 1 warning sign we think you should be aware of.
When all is said and done, sometimes its easier to focus on companies that don't even need debt. Readers can access a list of growth stocks with zero net debt 100% free, right now.
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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.
About NZSE:MFT
Mainfreight
Provides supply chain logistics services in New Zealand, Australia, the Americas, Europe, and Asia.
Solid track record with excellent balance sheet and pays a dividend.
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