For beginners, it can seem like a good idea (and an exciting prospect) to buy a company that tells a good story to investors, even if it currently lacks a track record of revenue and profit. Unfortunately, these high risk investments often have little probability of ever paying off, and many investors pay a price to learn their lesson. Loss-making companies are always racing against time to reach financial sustainability, so investors in these companies may be taking on more risk than they should.

In contrast to all that, many investors prefer to focus on companies like Spectra Systems (LON:SPSY), which has not only revenues, but also profits. While this doesn't necessarily speak to whether it's undervalued, the profitability of the business is enough to warrant some appreciation - especially if its growing.

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Spectra Systems' Earnings Per Share Are Growing

The market is a voting machine in the short term, but a weighing machine in the long term, so you'd expect share price to follow earnings per share (EPS) outcomes eventually. That makes EPS growth an attractive quality for any company. We can see that in the last three years Spectra Systems grew its EPS by 16% per year. That's a pretty good rate, if the company can sustain it.

Careful consideration of revenue growth and earnings before interest and taxation (EBIT) margins can help inform a view on the sustainability of the recent profit growth. On the one hand, Spectra Systems' EBIT margins fell over the last year, but on the other hand, revenue grew. So if EBIT margins can stabilize, this top-line growth should pay off for shareholders.

The chart below shows how the company's bottom and top lines have progressed over time. Click on the chart to see the exact numbers.

Check out our latest analysis for Spectra Systems

While we live in the present moment, there's little doubt that the future matters most in the investment decision process. So why not check this interactive chart depicting future EPS estimates, for Spectra Systems?

Are Spectra Systems Insiders Aligned With All Shareholders?

It's pleasing to see company leaders with putting their money on the line, so to speak, because it increases alignment of incentives between the people running the business, and its true owners. Spectra Systems followers will find comfort in knowing that insiders have a significant amount of capital that aligns their best interests with the wider shareholder group. Indeed, they hold US$14m worth of its stock. This considerable investment should help drive long-term value in the business. As a percentage, this totals to 14% of the shares on issue for the business, an appreciable amount considering the market cap.

Does Spectra Systems Deserve A Spot On Your Watchlist?

As previously touched on, Spectra Systems is a growing business, which is encouraging. If that's not enough on its own, there is also the rather notable levels of insider ownership. That combination is very appealing. So yes, we do think the stock is worth keeping an eye on. Even so, be aware that Spectra Systems is showing 1 warning sign in our investment analysis , you should know about...

Although Spectra Systems certainly looks good, it may appeal to more investors if insiders were buying up shares. If you like to see companies with more skin in the game, then check out this handpicked selection of British companies that not only boast of strong growth but have strong insider backing.

Please note the insider transactions discussed in this article refer to reportable transactions in the relevant jurisdiction.

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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.