Been thinking a lot about software as a service stocks lately, and honestly, there's something compelling about this corner of the market that a lot of people sleep on.

For those not deep in the tech space yet, here's the basic idea: SaaS companies basically rent you software instead of forcing you to buy it outright. You don't have to host anything yourself or deal with hardware headaches. Everything lives in the cloud. So a business might use SaaS tools to handle payroll, run clinical trials, or manage databases. It's become this massive category with both mega-cap players and scrappy startups.

Why does this matter for wealth building? The math is actually pretty straightforward. The S&P 500 averages around 10% annual returns over decades. But here's the thing—many software as a service stocks have been crushing those numbers. If you're putting $10k in annually and getting 15% growth instead of 10%, the difference compounds hard. Over 30 years, that's roughly $5 million versus $1.8 million. Over 40 years? We're talking $20 million versus $4.8 million. That's the power of picking the right sector and staying patient.

So which software as a service stocks are worth watching? I've been looking at three that have solid fundamentals and seem reasonably valued as of late 2024.

First up is Block (SQ)—they're basically the fintech backbone for digital payments. You know those Square terminals you see in restaurants? That's them. They've also got Cash App, TIDAL, and other services. The whole ecosystem benefits from the shift toward digital payments, and they keep layering on new services to lock in customers. The main knock is profitability could be stronger, but the direction feels right.

Then there's Veeva Systems (VEEV). They're serving the life sciences world with cloud-based solutions—managing clinical trials for pharma companies, that kind of thing. Their customer base includes most of the big pharma names plus smaller biotech firms. What's interesting is they're expanding into new verticals like medical devices and chemicals, which gives them room to grow beyond their current niche.

Lastly, Zoom (ZM). Obviously everyone knows Zoom from the pandemic video call explosion. But they've evolved beyond that—now they're pushing AI collaboration features, contact center solutions, and enterprise services. The fact that pandemic users stuck around means they have this installed base they can upsell to. Customers are actually spending more lately, which is a good sign.

Obviously there's no guarantee any of these will turn you into a millionaire. Markets move in ways we can't predict. But if you're thinking about software as a service stocks as a long-term play, these three have decent growth prospects and aren't completely overvalued.

If you want to avoid picking individual winners, you could also just grab an ETF focused on cloud computing or tech software instead. Spreads your risk out and you still get exposure to the sector. Either way, this space is worth paying attention to if you're building long-term wealth.