Investors are often guided by the idea of discovering 'the next big thing', even if that means buying 'story stocks' without any revenue, let alone profit. Sometimes these stories can cloud the minds of investors, leading them to invest with their emotions rather than on the merit of good company fundamentals. A loss-making company is yet to prove itself with profit, and eventually the inflow of external capital may dry up.

If this kind of company isn't your style, you like companies that generate revenue, and even earn profits, then you may well be interested in Tetra Tech (NASDAQ:TTEK). 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.

See our latest analysis for Tetra Tech

How Fast Is Tetra Tech Growing?

If you believe that markets are even vaguely efficient, then over the long term you'd expect a company's share price to follow its earnings per share (EPS) outcomes. Therefore, there are plenty of investors who like to buy shares in companies that are growing EPS. We can see that in the last three years Tetra Tech grew its EPS by 13% per year. That growth rate is fairly good, assuming the company can keep it up.

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. Tetra Tech maintained stable EBIT margins over the last year, all while growing revenue 15% to US$4.3b. That's encouraging news for the company!

The chart below shows how the company's bottom and top lines have progressed over time. To see the actual numbers, click on the chart.

In investing, as in life, the future matters more than the past. So why not check out this free interactive visualization of Tetra Tech's forecast profits?

Are Tetra Tech Insiders Aligned With All Shareholders?

Owing to the size of Tetra Tech, we wouldn't expect insiders to hold a significant proportion of the company. But thanks to their investment in the company, it's pleasing to see that there are still incentives to align their actions with the shareholders. To be specific, they have US$45m worth of shares. That's a lot of money, and no small incentive to work hard. Even though that's only about 0.4% of the company, it's enough money to indicate alignment between the leaders of the business and ordinary shareholders.

Should You Add Tetra Tech To Your Watchlist?

One positive for Tetra Tech is that it is growing EPS. That's nice to see. 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. Don't forget that there may still be risks. For instance, we've identified 1 warning sign for Tetra Tech that you should be aware of.