The start of your growth

Every website is built with precision and customization. We are not about standard solutions; we believe in building fully customized websites, because every project is unique and requires a unique foundation. Discover how we push the boundaries of what is possible in the online world.


With us, there are no templates or one-size-fits-all themes. Our experienced team of developers takes on every challenge to build a website that seamlessly matches your brand and goals. Whether you need a simple, informative website or want to set up a complex web shop, we are ready to bring your vision to life. Our custom websites are built from the ground up, with attention to every detail and a focus on usability and performance.

E-commerce solutions

In addition to standard websites, we are also experienced in developing powerful web shops that bring your products to life and boost your online sales. Our web shops are designed with conversion and ease-of-use in mind so that your customers have a seamless and enjoyable shopping experience. Whether you have a small assortment or an extensive catalog, we have the expertise to take your webshop to new heights.

Bouw jouw , op maat gemaakt voor succes!

Everyone is unique

But what we really excel at is meeting the challenges of custom web development. Need specific requirements or unique features that aren't available by default? No problem. We love a challenge and will gladly talk with you to see what is possible.

From custom features to integrations with external systems, we always find a solution that fits your unique needs and goals. Choose custom web development with us and make your online presence stand out.

Our customers speak

Vincent & Robert-Jan



Harm works like a true professional. Picks things up quickly and skillfully and is always willing to do some extra edits for optimal results. Resulting in amazing websites!

Pieter Niestadt

Historical Publications Schoonhoven


The moment you choose to have your own website, it's nice to have people like Harm de Kluijver. He translates your ideas into a contemporary and functional website.

Iris van Dam

The World Is On My List


After a few years of using a WordPress template for my travel blog, I thought it was time for my own website. I already had a bit of an idea in my head of how I wanted it, but couldn't really envision it yet. Harmless Agency helped me with this very well.

Paul van der Hoeven

Next Gen Invest


Perfect service, fully customized. Beautiful result, very happy with it!

Caroline Prins



Pleasant collaboration and smooth communication. Takes your wishes and preferences and then enthusiastically sets to work on a first draft. With a beautiful and customized result!

Wilmen Winch



Fine company to work with. Website is fast and responsive. Harm's engineering ensured that our positions in Google were even maintained/improved!