Custom Software Development for SMEs and Startups
We build web applications and custom software that do exactly what your business needs. No off-the-shelf packages, no agency bureaucracy. You talk directly with the developers building your project. Software company Netherlands focused on quality and transparency.
Sound familiar?
These challenges we see daily at businesses in the Netherlands
Standard software doesn't fit your workflow
You're working with packages that don't quite do what you need. Endless workarounds cost time and frustrate your team. A custom web application would solve this.
Legacy systems are holding you back
Outdated software that no one dares to touch. Integrations that don't work. Data scattered across ten different systems. Time for software modernization.
Disappointed by software agencies
Too expensive, too slow, too many empty promises. Projects running over. Developers disappearing halfway. Invoices for software that doesn't work as agreed.
No technical expertise in-house
You know exactly what your business needs, but not how to have it built. Or you're talking to account managers who don't understand your technical question.
Onze aanpak
Our approach to custom software
How we handle software development: technically strong, transparent, and focused on your results
Direct contact with developers
At SEMSIT you speak directly with the software developers building your project. No account managers, no misunderstandings. Technical questions get answered directly.
Custom software for your workflow
We build custom software that fits your business processes, not the other way around. Every business is unique, so every web application we develop is too.
Modern, scalable architecture
Your software is built with proven technologies: React, Next.js, Node.js, .NET, and PostgreSQL. Scalable solutions that grow with your business.
Transparent approach and pricing
Realistic planning, honest communication about progress and costs. You know exactly what to expect. No hidden costs, no surprises afterward.
Our software development services
From custom web applications to complete business software solutions
Custom web application development
From internal business tools to customer portals and SaaS platforms. Scalable custom web applications that grow with your organization.
- Dashboards and admin panels
- Customer portals and extranets
- SaaS platforms
- E-commerce solutions
Backend & API development
Solid backends that power your applications. REST APIs, GraphQL, and microservices architecture for reliable software.
- API design and development
- Database architecture
- System integrations
- Performance optimization
Custom business software
Specific business challenges require unique software solutions. Custom software that perfectly fits your processes.
- Business process automation
- Legacy software modernization
- Workflow optimization
- Custom integrations
Cloud & infrastructure
Modern cloud infrastructure on Azure, AWS, or Google Cloud. Scalable and cost-effective solutions for your software.
- Cloud migration
- DevOps & CI/CD pipelines
- Container orchestration
- Serverless solutions
Why choose SEMSIT?
What sets us apart from other software companies in the Netherlands
No account managers
You speak directly with software developers. We understand your technical question and give direct answers without intermediaries.
Dutch directness
No marketing talk or empty promises. We say what we do and do what we say. If something isn't feasible, you'll hear it honestly.
Quality over speed
We'd rather deliver something late that works well, than quickly deliver software that's half-finished. Your custom application needs to last years.
Long-term partnership
Software development doesn't stop at delivery. We remain available for maintenance, updates, and extensions of your application.
Who is our software development for?
We build custom software for these target groups
SMEs in the Netherlands
Dutch SMEs stuck with standard software. You need a custom web application that truly fits your workflow and processes.
Startups looking to grow
Startups who want to have their MVP built or scale their existing software product. Professional software development without the overhead of large agencies.
Organizations with legacy software
Companies who want to modernize their outdated systems or digitize their business processes with modern custom software solutions.
How does software development work at SEMSIT?
From first conversation to delivery: how your project unfolds
Free introductory meeting
We listen to your situation and challenges. What do you need? What have you already tried? No-obligation and without commitments.
Analysis and proposal
We analyze your request and create a concrete proposal for your custom software. Including approach, planning, and transparent costs.
Software development
Iterative building of your web application with regular updates. You see progress and can steer where needed.
Delivery and support
Thorough testing, documentation, and training for your team. Plus ongoing technical support after delivery of your software.
Let's get acquainted
Tell us about your project. We'd love to think along with you.