Marveltest • Data-driven design

Data-driven design

We know how to design with data in this new era.

Our process


Reduce guesswork,
design what works.

01 – Foundation

Inventory of current brand assets and goals.

02 – Test

Design on-brand data-driven experiments.

03 – Live

Scale the creatives that work and iterate.

Brands we've helped

No fluff,

just data-driven performance.


Ads & Creatives

Fast on-brand creatives with data-driven impact.

Landing pages

Test small, implement big. Quick and efficient.

CRO Tests

A/B split testing at every step, always optimizing.

*These are conceptual designs and their live variants have been legally altered.



Brand New Day

How do you get younger generations excited about their pension, you don't. We used data and optimizations to create dynamic funnels to inform and seduce these youngsters into taking action that will benefit their future.

Together with BND we took the creative lead in designing and strategizing the use of Ads, Landing pages, Lead magnets, and mail automations to activate several niche target audiences with personal propositions.

Test variables:
200% CPL reduction
E-COMMERCE  •  RE-Branding  •  CRO  •  UGC  •  LANDING PAGES



Marveltest has been closely collaborating with Productpine on all fronts of their business, also assisting them in design.

While they control their own brand identity Marveltest has been able to output over 1.242 Ads and dozens of landing pages to optimize their marketing funnels.

Using creative data-driven testing strategies we are optimizing their creatives, while yielding positive KPIs.

Data-driven rebrand:


Ad Performance Increase:




Coco & Cici

Marveltest has been designing converting creatives and digital experiences for Coco & Cici since 2021.

On top of our fundamental design services, we also provide ongoing Conversion Rate Optimisation reports and tests for their Shopify.

Proposition tests:
+45% YoY

Data–driven Design services

Data-driven Branding

Reduce unreliable subjective guesswork and become creative through data.

Content creation

Data-driven creation of on-brand content and assets to boost your campaigns and marketing efforts.

UX/CX design

A constant combination between User and Customer -Experience. As they are not interchangable.

Advertisement design

Always iterating and improving, our ads never stop optimizing. Also the creatives. 

Conversion Rate Optimisation

Both our own and our clients experiences deserve to always be optimized for their KPIs.

Design reporting

While testing is important, reporting and accumulating insights is important in the long term.

A/B testing

Why guess when you can test? Every landing page and Ad goes live with a test to validate assumptions.

Accessibility testing

Underrepresented users need access to your products or services, we make sure they are great for all.


Optimized content creation allows us to squeeze maximum ROI out of our video shoots.

Website development

Wordpress, Shopify, Salesforce, Hubspot, Unbounce, Swipe Pages, Custom code.


Lifestyle, product, internal. We use data to decide what your campaigns and online experiences need. 

Scalable Design Systems

Reduce timewaste and friction in your company's design workflow.

Co-creation  workshops

Work together with data-driven designers to ideate and conceptualize new design strategies.

Design automation

We empower smart automations and custom A.I. to improve our workflows.

Design performance analysis

A mix between numbers and creative magic. We analyze why creatives perform, or not.

User Generated Content

The best performing type of ads this year. We create data-driven engaging and converting UG Content. 

Template design

We do the start, you fill in the rest. Our smart and near automated templates reduce time and money.

Shopify /

With experience in 50+ Shopify stores we know what you need to convert.

Motion Graphics

Animation proofs to be more engaging than statics for Ads and online experiences. But can be cost intensive.

Product photography

Good product images are central to your CX. We use photography and renders to visualize products for our clients.

Sorry for the scrolling,We JUST DO A LOT...

Want to see more of this work?

Some kind words

Client testimonials

"Marveltest’s expertise in UX design helped us identify and address crucial pain points, leading to a remarkable improvement in our webshop’s performance"


Ecommerce Manager
"We are really happy with the result from Marveltests designs, they made a solid interpretation of our brand, tailored towards a younger target audience. "


Head of Online Marketing
"Working with Marveltest was a game-changer for our perfume brand. Their data-driven approach to design helped us not only appeal but also sell to our target audience. "

Mark Teeuwisse


Become a happy client too!

Join our design team

We are looking for the following talent:


Medior Digital designer

With an interest in Ecommerce, data, branding, advertising.

Apply today!

We are seeking a Data-inspired Designer (32/36/40 hours) with specialized skills in e-commerce to join our dynamic team.

As experts in data-driven marketing, we service over 40 renowned clients, including Brand New Day, Skins Cosmetics, and Gemeente Amsterdam.

Your role will involve crafting visually compelling and effective designs, like ads, landing pages, branding, and CRO tests, that not only meet client requirements but also drive measurable business results. Both independently and in a team.


Internship digital design

Learn to design with data and grow your skills and network.

Apply today!

Join our team at Marveltest for a 5-month internship where you will immerse yourself in the world of data-driven design.

We will show you how not only to build and test great User Experiences, but more importnatly teach you all about Customer Experience design.

In our 25-person company, you will collaborate with a 3-member design team, contributing to projects that deliver both aesthetic excellence and tangible business outcomes driven by data.


Open application

See a win-win for both of us that is not listed? Get in touch!

Whether your strength lies in graphic design, UX/UI, motion graphics, or any other corner of the creative spectrum, we want to hear from you.

Our doors are open for seasoned professionals and fresh talents alike who can bring fresh perspectives to our collaborative design team.

Sick of subjective design?

Enable data-driven design for your next project together with marveltest

Data-driven design mindset and skills
Customer experience  design experts
Experience designing in 82+ brand identities
Time efficient and collaborative workflow


Shoot us a message!

Questions are also welcome ;)

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