What does SEMSIT specialise in?

We build web applications, mobile apps and AI solutions. We work for businesses of different sizes, from startups to large organisations.

Where is SEMSIT based and do you only work in the Netherlands?

We are based in Uden and work for businesses across the Netherlands. Most of our clients are Dutch, but we have also done projects for clients abroad.

What does SEMSIT do differently from other software agencies?

You talk directly to the developers, you know the cost up front and we handle everything from design to maintenance. We work as part of your team.

Which sectors do you have experience in?

Our recent projects are in construction and installation (ABN Vloerverwarming), bathrooms and tiles (Sanimax) and an AI app for nutrition and training (Heumin). In a new industry we start by listening carefully to how your business works.

Do you offer support after delivery?

Yes, we have several maintenance and support packages. From basic monitoring to 24/7 support. You can also come to us for updates and extensions.

About SEMSITSoftware development for Dutch businesses

SEMSIT was founded in 2025 in Uden, the Netherlands. We build web applications, mobile apps and AI integrations that fit how your business works, and you talk directly to the developer.

Our mission

We build custom software that helps businesses do their work better and faster. We prefer to work with clients for a long time, so their software can grow with the business.

Our vision

Smaller businesses should have access to good software too. We make AI, cloud and modern web technology available to Dutch SMEs, with clear prices and without unnecessary complexity.

SEMSIT

Our approach

SEMSIT was founded because we believe every organisation should have access to good, reliable software. We are developers, and most of our time goes into building.

Our recent projects are a bathroom and tile specialist (Sanimax), an underfloor heating installer (ABN Vloerverwarming) and our own AI app for nutrition and training (Heumin). We build for startups and for established businesses.

Before we build, we look at your business goals, at the people who will use the software and at what you may want to add later. That way we build software that works now and can be extended later.

Our principles

What we stick to in every project

Curiosity: We follow new technology and use it when it really makes your project better.
Quality: We write clean, tested code that lasts for years and can be extended.
Openness: We tell you how the project is going, including when something turns out harder than expected.
Collaboration: We work as part of your team and think along about your business.

Why businesses choose SEMSIT

Knowledge of the Dutch market

We know how business works here and the rules that apply, such as the GDPR. We take them into account from the start.

Short steps, open about costs

We build in short steps and regularly show you what's finished. You always know where progress and costs stand.

Current technology

We keep our knowledge up to date and build with technology that will stay supported in the years ahead.

Everything under one roof

From idea and design to building, testing, launch and maintenance. You have one point of contact.

24/7 support

After delivery we stay available for support, updates and extensions.

Focused on results

We look at what the software delivers for your business. That is how we measure our work.

FAQ

Frequently asked questions about SEMSIT

Answers to questions about our company and how we work

: We build web applications, mobile apps and AI solutions. We work for businesses of different sizes, from startups to large organisations.
: We are based in Uden and work for businesses across the Netherlands. Most of our clients are Dutch, but we have also done projects for clients abroad.
: You talk directly to the developers, you know the cost up front and we handle everything from design to maintenance. We work as part of your team.
: Our recent projects are in construction and installation (ABN Vloerverwarming), bathrooms and tiles (Sanimax) and an AI app for nutrition and training (Heumin). In a new industry we start by listening carefully to how your business works.
: Yes, we have several maintenance and support packages. From basic monitoring to 24/7 support. You can also come to us for updates and extensions.

What our clients say

“Our new website is really fast, with load times of 1 second, and everything responds intuitively. Exactly what we had in mind.”

Sanimax

Website · Haarlem

sanimax.nl

“A complete solution with AI integration, from app to platform. We are very happy with the end result.”

Heumin

AI app · iOS, Android & web

heumin.com

“Within a week our website was completely redesigned and all funnels were correctly integrated. We are very happy with the result.”

ABN Vloerverwarming

Website & funnels · Haarlem

abnvloerverwarming.nl

Need custom software built

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