SaaS or your own platform: the decision that shapes the next decade

For two decades, the technology debate in mid-sized companies had two camps. On one side, buying standard software: fast, predictable, no in-house technical team. On the other, building custom: exact, but expensive, slow and with the risk of ending up dependent on whoever wrote it. For most, the answer was obvious. You bought.

That calculation was made in a world where building meant starting from zero every time. That assumption is no longer true, and when the assumption changes, the decision changes.

What SaaS does better than anyone

It's worth starting with what standard software does well, because it's a lot. Everything that's the same in every company: email, internal messaging, standards-compliant accounting, document management, e-signature. There, reinventing is waste. A good SaaS product has spent years solving exactly that for thousands of customers and will keep improving without you lifting a finger.

Where it stops working

The problem shows up in processes that aren't the same everywhere. How you approve credit for a customer. How you prioritize collections. How you quote a project with special terms. How you decide what gets bought and from whom. That's where the difference between your company and the one next door lives. And there, software designed for the average forces you to choose between adapting to it or surrounding it with spreadsheets.

Buy what's the same in every company. Build on your logic what makes you different.

The third answer

What changed is the cost of building. You no longer need to stand up each system from zero, with its own database, its own permissions and its own integrations. You can build on a platform that already solves what's common to every module: connectors to existing systems, shared definitions, access control, the record and human approval. What gets built on top is only what's yours: your rules.

That can improve the economics when connections and definitions are genuinely reusable. The second module avoids some of the first one's work, but may also bring new integrations or requirements. Compare the full cost of building and maintaining that foundation with configuring or integrating existing software, process by process.

Five questions to decide, process by process

• Is this process the same across my industry, or is it part of how I compete?
• How often do its rules change? If they change every quarter, depending on a vendor's roadmap gets expensive.
• How many systems does it touch? The more it crosses, the more it's worth living on a connected foundation.
• Who owns the data it generates, and can I take it out whenever I want?
• What does it cost today, adding licenses, hours of manual work and errors, not just the subscription?

There's no single answer for the whole company, and be wary of anyone offering one. Some processes will be unbeatable on SaaS and others will hold logic too valuable to rent. The mature decision isn't picking a camp. It's knowing, process by process, which is which.

The scenes in these episodes are composites of common situations, not customer cases. Any figures in them are illustrative.