Knowledge base|Maatwerk software

Investing in a Custom Web Portal or Intranet

More and more organizations are choosing a custom web portal or intranet instead of an off-the-shelf package. That makes sense, since custom software fits exactly the way your organization works. But what does something like this actually cost, and why does the price vary so much per project? In this blog, we walk you through the key cost factors and help you make a realistic estimate.

September 6, 2026
3 min read
Investing in a Custom Web Portal or Intranet

What Is a Custom Web Portal or Intranet?

A web portal is an online environment where external users, such as customers, partners, or members, get access to specific information or functionality. Think of a customer portal where orders or documents are shared. An intranet is the internal equivalent: a private platform where employees collaborate, share documents, and consult company information.

The difference with off-the-shelf software lies in flexibility. A custom web portal or intranet is fully designed around your processes, instead of forcing your organization to adapt to the limitations of a standard package.

What Factors Determine the Cost?

The cost of a custom portal or intranet varies significantly, because every project has different requirements. A number of factors that influence the price:

Functionality: The more specific features, such as workflows, reporting, or automations, the more development time this requires.
Integrations: Connections with existing systems, such as a CRM, ERP, or HR system, require additional development and testing.
Number of users and permissions: Complex permission structures, for example different roles for employees, managers, and external parties, increase complexity.
Design and usability: Thoughtful design ensures a pleasant user experience, but also requires attention and time during the design process.
Security and maintenance: Especially for portals handling sensitive data, extra attention to security and ongoing maintenance is essential.

These factors mean the investment can differ substantially per project, and a fair price estimate always starts with a clear picture of your needs and goals.

Custom vs. Off-the-Shelf Platforms

Off-the-shelf solutions, such as standard intranet packages or plugin-based tools, often seem cheaper at first glance. However, they offer limited flexibility: you adapt your processes to the software, rather than the other way around. On top of that, you often keep paying for licenses and features you don't actually use.

A middle ground that's becoming increasingly popular is working with a headless CMS. This combines the flexibility of custom development with an efficient content management system, often resulting in a good balance between cost and capabilities.

Why Custom Software Often Pays Off in the Long Run

Although the initial investment in a custom web portal or intranet can be higher than an off-the-shelf package, it often pays for itself. You don't pay for unnecessary features, the platform grows along with your organization, and you're not dependent on the roadmap or price increases of an external software vendor.

In addition, you own the source code. This means you're free to have adjustments made by another party, keeping you independent from a single supplier, also known as vendor lock-in.

How Do You Arrive at a Solid Cost Estimate?

A reliable price indication for a custom web portal or intranet starts with a thorough intake. During this phase, we map out your goals, users, and processes together, so we know exactly which features are truly needed. Based on that, we put together a concrete plan and a suitable quote.

This way, you avoid surprises later on and only invest in what actually helps your organization move forward. Curious what a custom portal or intranet would cost for your organization? Feel free to get in touch, we're happy to think along with you without any obligation.

How we approach this in practice

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