Web development built around how your business runs

We design and build websites, portals, and custom software for companies in the Netherlands that need reliable delivery and clear communication. From first scope to launch, we keep the process practical, transparent, and focused on measurable results.

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Based in the Netherlands, our custom software and web development studio crafts scalable digital solutions designed to accelerate your business growth. We partner with ambitious companies across the Dutch market to build high performance web applications, seamless online platforms, and tailored software systems. Our expert team combines local market understanding with global technical standards, ensuring your project is secure, modern, and aligned with your goals. From Amsterdam to Rotterdam, we help brands transition into market leaders through reliable engineering. Let us transform your digital vision into a powerful competitive advantage.

50+
projects delivered
8+
years in business
12
industries served
95%
client retention rate

What we do

Custom software that works for your team

Custom Web Development

We build fast, stable websites and web applications tailored to your business processes. Every project is planned around your goals, required features, and future maintenance needs, so the final product is practical, scalable, and easy to manage.

Business Portals

We develop secure client and partner portals for document exchange, account management, dashboards, and self-service workflows. The result is a clearer experience for your users and less manual work for your internal team.

Internal Software Tools

We create tools that reduce repetitive administration and connect your daily operations. From planning dashboards to approval workflows, we design software that fits existing routines and helps teams work with fewer errors and delays.

API Integrations

We connect platforms, CRMs, payment systems, and other business software so data moves where it needs to go. Our integrations are built to be dependable, monitored, and easy to extend later.

Website Redesign

We improve outdated websites with stronger structure, cleaner design, better performance, and clearer conversion paths. Redesign projects are handled carefully to preserve valuable content while making the site easier to use and maintain.

Support and Maintenance

We provide ongoing technical support, updates, and improvements after launch. That includes bug fixes, security updates, small feature changes, and advice on how to keep your platform reliable over time.

Why choose us

Direct Communication

You speak with the people doing the work, so decisions are clear and implementation stays aligned with your goals.

Built for Business Use

We focus on software that helps teams work better, not just attractive interfaces that look good in a portfolio.

Structured Delivery

Our process is planned, documented, and predictable, which keeps projects moving without unnecessary confusion or delays.

Long-Term Support

We stay available after launch to keep your site or software secure, stable, and ready for future changes.

How we work

1

Discovery

We discuss your goals, current setup, users, and constraints so we can define the right solution.

2

Planning

We shape the scope, technical approach, and timeline into a clear plan before development begins.

3

Build

We design and develop the product in focused stages, with regular feedback to keep everything aligned.

4

Launch and Support

We handle deployment, testing, and follow-up support to make sure the product performs as expected.

What clients say

“Izocode delivered a portal that our team actually uses every day. Communication was clear, deadlines were met, and the final product fit our workflow.”
Marieke de Vries — Utrecht
“We needed a reliable partner for a custom internal tool. They understood the business problem quickly and built something clean, stable, and easy to maintain.”
Thomas Jansen — Rotterdam
“Professional from the first call to launch. They made technical choices we could trust and kept us informed without drowning us in jargon.”
Sanne Bakker — Amsterdam

Frequently asked questions

Who owns the intellectual property of the custom software you build for us?

You receive full ownership of the source code and intellectual property once the final payment is cleared. We transfer all rights to your company, allowing you to host, modify, or sell the software freely without any ongoing licensing fees or restrictive vendor lock in issues.

Do you offer post-launch maintenance and support?

Yes, we provide tailored Service Level Agreements for ongoing maintenance. Our support packages cover regular security updates, server monitoring, bug fixing, and minor feature updates, ensuring your application remains stable, secure, and fully optimized as your business grows within the competitive European digital market landscape.

How do we handle communication and project updates during development?

We communicate in fluent English and Dutch, utilizing Slack for daily chat, Jira for project tracking, and weekly video calls via Google Meet. You will have direct access to your dedicated project manager, ensuring transparent progress updates and continuous feedback throughout the entire development lifecycle.

How are project costs estimated and billed?

We work with both fixed price contracts for well defined projects and time and materials models for agile developments. Following an initial scoping phase, we provide an itemized proposal detailing development phases, milestone payments, and estimated hours, so you experience complete financial predictability throughout projects.

How do you ensure GDPR compliance for our application?

Since we are based in the Netherlands, GDPR compliance is integrated into our core development process. We implement data minimization, secure data encryption, robust user authentication, and cookie consent management features, helping your software platform safely process and store European customer data according to regulations.

What primary technologies do you specialize in?

We build modern web and mobile systems using TypeScript, React, Vue, Node.js, and Python. For cloud infrastructure, we leverage AWS and Azure, ensuring your custom software is scalable, highly performant, secure, and easy to maintain by your own internal developers over the coming long term.

Ready to get started?

We design and build websites, portals, and custom software for companies in the Netherlands that need reliable delivery and clear communication. From first scope to launch, we keep the process practical, transparent, and focused on measurable results.

Book a consultation