We make complex innovation easier to understand.

Web Design Agency

In the organisations we work with, no one decides after a single visit to the website. An investor scans the site before the next funding round. A partner reads through before the meeting. A prospect orients themselves before the first call. A future hire looks around before applying.

Each one arrives with a different question and a different perspective. We design websites that work for all of them — and that grow with the organisation itself, through the months or years it takes for an innovation to find its audience.

For twenty years we’ve been building websites for organisations working on tomorrow’s world — biotech, life sciences, medtech, sustainable tech, and the innovations beyond.

4.9 average on Google, 44+ reviews

Plan a call See our work
Web design agency Amsterdam — Marsmedia designers at work
Web design for innovation organisations — Marsmedia, Amsterdam
Web design for innovation organisations — Marsmedia, Amsterdam
Web design for innovation organisations — Marsmedia, Amsterdam
Web design for innovation organisations — Marsmedia, Amsterdam
Web design for innovation organisations — Marsmedia, Amsterdam
Mars team reviewing brand color swatches and website mockups during a design meeting
Mars team reviewing brand color swatches and website mockups during a design meeting
Mars team reviewing brand color swatches and website mockups during a design meeting
Mars team reviewing brand color swatches and website mockups during a design meeting

What a good website does

Beyond looking sharp. Beyond converting. What a good website earns its place doing — for the people who arrive, and the people who have to justify it internally.

4.9 average on Google, 44+ reviews

logo solventa
Avantium logo
logo pyxis
Avantium RDS logo
logo refuels
logo brachyacademy
logo brachytherapy
logo azerion
logo companyinfo
logo fsa
logo lms
logo scribe
Confo logo
logo abvion
Performation logo
logo jii
logo waste
logo billygrace
Cabometyx logo
logo stampa
logo redevco
logo vua
logo adgoji
logo e-storage

What we are good at, specifically

Conversion-focused design

Conversion on a good website is rarely one click.

The journey from someone discovering you to someone in conversation with you usually runs over weeks. First a search, then a deeper read, then a forward to a colleague, and only then a call. At each moment in that journey, the site has to offer the right level of information — overview for the first visit, depth for the third, proof for the conversation after.

What we do is make complex innovation easier to understand at every step of that journey, without losing what really matters. The result is a site that converts because every step makes sense — not because the homepage shouts louder.

Website performance dashboard showing a five-star rating and an upward growth chart

Design with intent

Good design starts with what needs to be said. Only then with how it should look.

For you that means: typography, colour, motion and imagery are used to say one thing clearly, in a way that doesn’t ask the reader to decode it. Decoration without function doesn’t make the cut, however well-intended.

The choices that stay are the ones that earn their place — each tied back to what the site is for, who it’s for, and what it has to make easier. Including for the technical reader who came for substance, not style.

Webpage design mockup with alignment guides, color swatches, and image placeholder blocks

Brand built into the structure

A brand grows stronger when it’s woven into the structure of a website, not pasted on top at the end.

In practice the opposite often happens: a colour pass, a font swap, a hero image — and the result feels fragile within a year. We start from the other side. We design with the existing brand system in hand, or rebuild it when it no longer fits who you’ve become.

Either way, the brand ends up in the grid, in the typography, in how images are framed, and in the tone of every button. Not as a layer on top, but as a thread running through everything.

Brand logo, color palette and typography integrated into a website design mockup

Technology as a means, not a goal

Technology is changing faster than ever. WordPress, Webflow, headless CMS’s, AI-assisted development — the options are endless.

But we never start with the tech. We start with a question: what does this organisation need in order to succeed?

For most websites WordPress is still the best choice — flexible, easy to work with, with all the room to grow. For larger platforms we build custom solutions. For smaller projects we increasingly use AI-assisted development — faster to ship, lighter on budget, without giving up on quality or design.

For us, technology isn’t the goal. It’s a means to create a digital environment that works for the people using it after we hand it over — today, tomorrow, and the years after.

Illustrated Mars rocket launching upward, symbolizing innovation and momentum
Marsmedia web design studio, Amsterdam
Overhead view of hands sorting Pantone color swatches for a brand identity

“A website doesn’t fail because it’s ugly.
It fails because no one decided what it should do.”

— Marsmedia

Nelson Eggermont, design and UX specialist at Mars

What working with us looks like

“In web design Amsterdam, I enjoy strategically shaping elements to draw visitors’ attention and instill trust in their brand’s professionalism. It’s fulfilling to help clients effectively communicate their products or services through visually appealing and user-friendly designs.”

Nelson Eggermont

Lead of Design & UX

Nelson Eggermont, design and UX specialist at Mars
Smiling man with glasses, a friendly Mars team member

Let’s design a website that earns its place

How we work

Three steps. Everyone knows what is needed, and when.

Two overlapping speech bubbles icon symbolizing attentive listening to clients

We listen

Good work starts with good listening. Before we talk about structure, design or stack, we want to know what’s going on.

What is the organisation really doing? For whom? Where are the challenges? And what does the website need to unlock internally, so the project lands well in front of a board or investor?

Twenty years of working with innovation organisations helps us get to that quickly. In this first conversation, most briefs sharpen — and the decisions that follow become noticeably easier.

Four alternating squares and circles icon symbolizing simplifying complexity

We simplify

Most websites carry the weight of old ideas. Pages built just in case, navigation that’s expanded over the years, headlines no one reads anymore.

We strip the structure back to what earns its place — for the technical reader and for the strategic one. Less navigation, fewer headlines, a clearer path through it all.

Making complex innovation easier to understand — that’s where twenty years of experience counts most. Usually it’s not about adding more, but adding less. And that’s the hardest part.

Raised hand with sparkle rays icon symbolizing effortless support

We see it through

A launch is the middle of the project for us, not the end.

In the first months after going live, we stay involved — measuring, making small adjustments, working through the questions that only surface once a real audience starts using the site. That’s where most of the value lands, and that’s where many agencies are already on to the next brief.

For the team that has to report internally on the investment, those first three months are where the real story gets written — not on launch day, but in the weeks that follow.

Frequently asked questions