Sumsar Studio – UX/UI Design and Webflow development

CUSTOMERS

Above and beyond both in deliveries and expedition time

"We’ve worked with Rasmus on several projects now - and every time, he has gone above and beyond both in the deliveries and the expedition time.

He responds quickly, is genuinely nice to work with, and delivers the job every time. I can’t recommend him enough.”

Kristian Scharling

CEO @ Somera ApS

The work we've received has truly been on point

"Over my 10-year journey in entrepreneurship, I've collaborated with numerous people, but I've never come across someone as honest and consistently reliable with deadlines as Rasmus.

The work we've received has consistently exceeded expectations. Rasmus is highly skilled and an attentive listener. He's not only efficient but also provides excellent value for your investment.

I wholeheartedly recommend working with Rasmus."

Hjalte Wieth

Co-founder @ SOUNDBOKS A/S & Plugin ApS

A strong grasp of UX and CRO principles

"Rasmus is the creative mind behind our new design, and collaborating with him has been a real pleasure. He excels at turning ideas into elegant designs and demonstrates a strong grasp of UX and CRO principles.

As a result, you don't just get a visually stunning website; the customer journey is also seamlessly integrated into the design. We wholeheartedly recommend his work!"

Troels Johansson

CMO & Partner @ WoodUpp A/S

We are extremely proud of our new website

"We worked with Rasmus on our new website for ASENTO Digital, with the wish of matching our visual identity more correctly with who we are, as a Digital agency. The collaboration has been perfect, and Rasmus listened to all of our wishes and ideas - and perfectly combined them into our new website.

Our wish to showcase our professionalism, culture, and innovativeness through our website has been fulfilled - and Rasmus had a huge influence on that. We are extremely proud of the new website, where design, functionality and innovation beautifully coexist, and having Rasmus on board as a designer - made a huge difference.

We can highly recommend Rasmus, and his ability to create modern, high-quality web design. Furthermore Rasmus is a joy to work with, punctual, friendly, and available all the way through."

Morten Andersen

Head of SEO & Partner @ ASENTO

The UX designer who challenges and guides, without compromising on productivity

"First and foremost, Rasmus possesses an extremely professional approach to his work and consistently delivers results at a high level.

Additionally, he is skilled at putting himself in the customer's shoes and understanding the world the customer operates in.

Rasmus is the UX designer who both challenges and guides, without compromising his productivity."

Jakob Hartvig Johannesen

Customer Team Lead @ WeCode A/S

Rasmus exceeded every expectation with the final result

"Rasmus redesigned five websites simultaneously and delivered an outstanding and professional job.

He is extremely responsive and has a remarkable ability to translate the many nuances and visions of five different brands into unique, tailored designs.

Rasmus exceeded every expectation with the final results and always goes the extra mile to ensure everything is completed on time — often ahead of schedule.

On top of that, he is thorough in his work and an absolute pleasure to work with."

Ingrid Kjærtinge Hoyer

Marketing Director @ DYKON A/S

Rasmus consistently delivers top-tier work

"Rasmus has consistently delivers top-tier work. His designs are sharp, modern, and always on point. He’s easy to communicate with, quick to respond, and handles feedback like a pro.

Every time I’ve worked with him — whether for full web designs or branding elements like logos — he’s gone above and beyond. He delivers quality results, on time, and with a great attitude. I’ve already recommended him to others, and I’ll definitely be working with him again in the future."

Teodor Jonasson

Founder @ Omnihost ApS

Every single time, Rasmus delivers

"I’ve collaborated with Rasmus on multiple projects and across different companies, frequently relying on his expertise. Every single time, he delivers. Having worked with many partners over the years, it’s rare to find someone who consistently meets deadlines while exceeding expectations.

You can always count on a well-structured process and a seamless handover. We will definitely continue working with Rasmus in the future!"

Matthias Vincent Larsen

CMO & Co-founder @ Socialcode ApS

We use Sumsar Studio for all our design tasks

"Rasmus is the sharpest UX/UI designer I know - and we have been using him consistently for all design tasks at the agency for as long as I can remember.

There are two types of consultants - those who do what you ask, and those who do what you need. Rasmus belongs to the last group, and you can always count on him being proactive, coming up with ideas, thinking independently, and challenging your thoughts.

He is undoubtedly the most competent and dedicated designer I have ever had the pleasure of working with."

Andreas Pedersen

CEO @ Bo-we ApS

Rasmus has been a big part of transforming our brand

"Working with Rasmus has been a game-changer. From the very first conversation, he understood the core of what we wanted to communicate — and then elevated it far beyond what we thought possible.

Rasmus is exceptionally sharp, structured, and proactive throughout the process. He doesn’t just execute — he challenges, refines, and adds value at every step. He’s fast without ever compromising quality, and his ability to balance design aesthetics with functionality is second to none.

The result speaks for itself: a brand and website we’re genuinely proud of. I wouldn’t hesitate to recommend Rasmus to anyone looking for high-quality design with impact — and a collaboration that runs smoothly from start to finish."

Thomas Kenfelt

CEO & Founder @ Creunmo

Outstanding quality in both the work, collaboration and communication

"We've partnered with Rasmus for our new website and identity, and the results have been truly remarkable.
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Not only did we receive a top-tier product, but the collaboration itself was exceptionally smooth. Every deadline was met, and the process was well-structured, ensuring clear ownership and a clear path forward at all times.

We highly recommend Rasmus for delivering high-quality design and exceptional service."

Søren Skriver

CEO @ ICE DIGITAL ApS

Incredibly pleasant, skilled, and professional to work with

"Rasmus is really talented and incredibly pleasant and professional to work with. We've had a great collaboration, and throughout the design phase, there has been excellent back-and-forth between us.

The entire design process has gone smoothly, and Rasmus has been excellent at interpreting my design preferences and, with each iteration, offering his creative input - which has been well-received every time.

I am incredibly satisfied with the end result. The design has turned out exactly as I had hoped - and even better."

Mette Stavnskær

Founder @ Babygarderoben.dk

We repeatedly receive praise from customers

"It has been a huge win to have Rasmus on board to develop the UX/UI of our new website.
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Throughout the process, we received incredibly competent guidance based on our wishes. Rasmus was also good at identifying the flaws in our current design and challenging aspects we hadn't thought of ourselves.

Today, we repeatedly receive praise from customers about how beautiful and user-friendly our site is - and Rasmus deserves immense credit for that!"

Ewa Delgado

Founder @ Prik & Streg

Consistently goes the extra mile

"Rasmus has been really efficient and quick to get started on our projects, and we are consistently surprised by how fast he delivers.
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The quality of his work is always top notch - he understood the look and feel of our brand right from the very start, and matched it perfectly from the very first draft. He always takes the time to go the extra mile, and fix bugs and optimize our site in ways we had neither asked nor thought about.
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Overall, Rasmus is very pleasant to work with and everything always runs smoothly. We know that we can trust him to deliver in both quality and speed, when we start a project - and we are right every time. We cannot recommend Rasmus enough to anyone searching for a new website developer!"

Line Hedegaard Poulsen

Marketing Coordinator @ Ackermann

Proactive and consistently delivering beyond expectations

"Sumsar Studio has been an incredible partner in bringing our new website to life. From the initial concept to the final launch, Rasmus demonstrated a deep understanding of our vision and translated it into a site that is both visually stunning and highly functional.

Rasmus is proactive, detail-oriented, and consistently delivers beyond expectations. His structured process, clear communication, and ability to challenge ideas in a constructive way made the collaboration both efficient and enjoyable.

We couldn’t be happier with the result, and we highly recommend Sumsar Studio to anyone looking for a web partner who truly cares about quality and performance."

Casper Theilgaard Skov

CEO @ Energy Market Partners ApS

We have elevated our webshop to new heights

"I am deeply impressed by Rasmus' competence and dedication in developing Champagnekælderen's new website. Collaborating with him has been an extremely positive experience, and the results are truly impressive.

I would not hesitate to recommend Rasmus to anyone in need of a website or webshop that is essential for their business.

His ability to deliver quality and innovation is truly remarkable, and I am grateful for the opportunity to have worked with him."

Mikkel Hagerup

Co-founder @ Champagnekaelderen.dk

Consistently delivering top-notch results across diverse projects

"Over the past year, I've collaborated closely with Rasmus to create beautifully functional, user-centric products at Electricity Maps. Whether we're co-designing, prototyping in Figma, or executing a full design and build in Webflow, Rasmus consistently delivers top-notch results across diverse projects. A UX designer who prioritizes the user experience and employs a systematic approach to craft elegant and impactful products.

Rasmus puts heart into his design, guided by a meticulous and process-driven approach to UX."

Tony van Swet

Senior Software Engineer @ Electricity Maps

Professional and customer-tailored design development

"With Rasmus at the helm of the development of our new website design, we have been in safe hands. He has worked professionally and continuously involved us in the design process, ensuring that the new design is both academically sharp and tailored to our needs and desires.

We have received ongoing video walkthroughs of the design, which have given us a fantastic visual impression of where we stood in our process. Additionally, he has been adaptable in response to emerging requests and changes in the process."

Marianne Pedersen

Development consultant @ Minigolf.dk

Rasmus delivers and is fantastic to work with

"Rasmus delivers and is fantastic to work with. It took him about 0.2 seconds to understand my vision, and then he took the lead and ran with it at 260 km/h in exactly the right direction.
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He responds incredibly quickly and always with a smile, no matter how annoying or demanding I (read: I) am. He has handled crazy ideas as well as small and large requests flawlessly. And he has contributed ideas that have made the final result so much better than I had dared to hope for.
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I am deeply impressed that it’s possible to be so skilled and so pleasant to work with at the same time. It’s (almost) not fair to his competitors."

Andrea Vadsholt

Marketing Director @ Creunmo

This testimonial isn’t justifying the output Rasmus delivers, you will have to try yourself

"We’ve worked with a lot of web-people, but they have always fallen short. Rasmus has not.

Besides being an overall nice guy with a great sense of humor, Rasmus is a machine. I’m wondering whether he is human or a robot.

Working with creative people is hard, I'm a creative myself. But the way he scopes projects and delivers on them is out of this world. He has taken so much stress off my shoulders and has secured the performance of our site and our company.

This testimonial isn’t justifying the output Rasmus delivers, you will have to try yourself."

Jeppe Rahbek

CEO @ Absent Wall ApS

Your go-to UX/UI design and Webflow partner

Your go-to UX/UI design and Webflow partner

work

WoodUpp

Electricity Maps

Creunmo

ABOUT

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CUSTOMERS

Above and beyond both in deliveries and expedition time

The work we've received has truly been on point

A strong grasp of UX and CRO principles

We are extremely proud of our new website

The UX designer who challenges and guides, without compromising on productivity

Rasmus exceeded every expectation with the final result

Rasmus consistently delivers top-tier work

Every single time, Rasmus delivers

We use Sumsar Studio for all our design tasks

Rasmus has been a big part of transforming our brand

Outstanding quality in both the work, collaboration and communication

Incredibly pleasant, skilled, and professional to work with

We repeatedly receive praise from customers

Consistently goes the extra mile

Proactive and consistently delivering beyond expectations

We have elevated our webshop to new heights

Consistently delivering top-notch results across diverse projects

Professional and customer-tailored design development

Rasmus delivers and is fantastic to work with

This testimonial isn’t justifying the output Rasmus delivers, you will have to try yourself

Still here? Reach out today