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It's the Great Debate: Should You BUILD or BUY Your Own Construction Project Management Software?

In a world where everyone is talking about robots on jobsites and artificial intelligence in the office, we still hear the same old question more than any others. Should you build your own construction project management tool, so you get exactly what you need? Or is it more efficient to buy something out-of-the-box, and get a few quick wins?

Over the last few decades, I have lived both sides and seen the pros and cons from every angle. But with the advancements in technology that are coming faster than ever before, isn’t it time we ask for both?

Let me explain.

Why Buy an Off-the-Shelf System?

What are the typical arguments that lead to buying a commercial platform that runs out-of-the-box?

  • Speed to ROI: Commercial software is ready to use immediately, allowing teams to get up and running without months of development.
  • Industry best practices baked-in: A software that is built for construction typically includes industry standard templates, workflows, approval processes, and tags.
  • Professional Training and Support: Training and implementation resources, along with embedded professional support help to onboard and configure the software for your business.
  • Security and Compliance controls: Rigorous security and compliance testing, like CMMC alignment to protect sensitive customer data, ensure companies avoid risk and manage audits.
  • Scalability The software is designed for growth and can expand as your company grows.

Maybe that’s enough and you’re convinced to buy off the shelf.

But wait. Have you considered the alternative?

Read the Great Debate 

Why Build Your Own?

What are the reasons you might consider building your own construction project management system?

  • Full Control: Create your custom workflows, reports, dashboards, and features to match exactly how your company operates. No more conforming to a generic industry template, but instead lean into your competitive edge.
  • Own Your Own Data: Own your own historical project data, contracts, and compliance information to make more strategic decisions in the future.
  • Add and Change Features: Quickly Process not working? Create new workflows and change permissions or process automation on your timeline, according to your needs. No more waiting on a vendor to prioritize your features
  • Long-Term Ownership and Adaptability: You can update your in-house system so it continues to evolve with your company’s changing needs. Custom tools just have more flexibility than a one-size-fits-all solution.

That all seems rather convincing as well. So, how do you choose?

The Correct Answer is to Choose Both

What if I told you there was a third option? One that not only gives you the speed of buying, but also the flexibility of building all while removing the headaches of both.

Say hello to Platform as a Service.

PaaS isn’t just another acronym. In a world full of “game-changers”, it really is one.

Here's how it works: You start with a commercial-grade, off-the-shelf platform that handles the heavy lifting you would expect (think hosting, security, compliance, industry-standard core features, all of it).

But layered on top of that is a low-code toolkit that lets you configure, extend and even build your own applications within the platform. In other words, you get the best of both worlds.

Enabling Your Uniqueness Without Chaos

Let’s face it, most construction companies do about 80% of their work in a similar way to everyone else: budgets, RFIs, change orders, daily reports, it’s all pretty common. That’s why off-the-shelf platforms are so convincing. They’re fast to deploy and loaded with these industry best practices.

But that other 20% or so? That’s your edge. That’s what makes your firm stand out.

That's where PaaS comes in.

With PaaS, you can:

  • Start fast with proven tools for standard processes
  • Customize the uniqueness that gives you your competitive advantage
  • Add new features without vendor bottlenecks or change orders
  • Maintain a consistent user experience across everything you build

It’s like getting a prefab house that you can remodel however you want, without needing an architect and a backhoe every time you add a room. Unlike traditional build-your-own software, where every tweak means retraining users, updating documentation, and hoping your IT lead doesn’t quit mid-sprint, PaaS lets you define what changes and what stays the same.

Want a new safety inspection workflow? Add it.

Need a report that matches your internal metrics? Build it

All while the interface remains familiar, looking, feeling and functioning like the core platform your team already knows. No head scratching between modules. No cumbersome screens. Just familiarity done your way.

And let's not forget, one of the biggest fears in building fully custom software from scratch is security. You inherit all the risk, you’re the one managing encryption and you’re the one patching vulnerabilities.

With PaaS, that's handled.

The underlying platform takes care of the infrastructure, hosting, compliance and certifications (FedRAMP, StateRAMP, SOC 2, you name it). You focus on the workflows they handle the cyber-attacks.

It’s building on a foundation that’s already fortified.

The Choice is Yours: Choose Both

So, Build or Buy?

As it turns out, we were asking the wrong question all along.

Read it: Get the Best of Both Worlds

While we knew we didn’t want to build software, we also knew we didn’t want to be boxed in by software built for someone else. We really just wanted a head start in the rollout with the ability to customize to our way of doing things.

And that was the real secret here. Understanding how fast we could deploy what works now, and how easily we could adapt when our business changes tomorrow.Most importantly, the freedeom to adapt without the burden of owning everything.

PaaS answers it all.

You’re not picking between boxed-in or burned out. You’re choosing scalable, secure, configurable and future-ready.You’re choosing Platform as a Service.

So, if you’re still trying to decide whether to build or buy, you’re asking a 2015 question in a 2025 world.

The smartest teams are doing both—with one platform, one experience and one mission: build better.

Let the others keep arguing, you’ve got work to go build.

Get the Best of Both Worlds

About the Author

AJ Waters is the Chief Evangelist at Kahua, leveraging his extensive experience as Vice President of Industry Solutions at InEight and as a program manager at Google to champion innovative solutions in the construction industry. With a background as a structural engineer at Kiewit, AJ combines technical expertise with a passion for advancing customer profitability and agility.

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