If it can be made,we make it.
From websites and online events to design systems, logos, apps and AI automation. If IT can make it, one studio takes it on.
- Websites
- Online events
- Design systems
- Logos and branding
- Mobile apps
- Desktop apps
- AI automation consulting
Tap one. We will preselect it on the inquiry form.
How we work
Start small, finish it
We make something small to show you first, and stay until it launches.
Make it, then use it
We use dsui ourselves first, then polish it.
Explain it simply
Only the words you need to decide, not jargon.
Stay after launch
Launch is the start. We help you fix it and grow it.


The boss, Yongman Kim
A designer and developer with 20 years of experience, who has built screens and services in games, webtoons and retail.
Thinks by touching things.
The road so far
- 2011Games
NEOWIZ
Interactive developer
- 2017Webtoons
Lezhin Comics
Front-end developer
- 2018 – NowRetail
GS Retail
In-house AX innovation developer
Partners we work with
We build together with many teams.
- Northwind
- Lumio
- Bluebird Labs
- Kite & Co
- Moss
- Fernhill
- Orbit Cafe
- Pencil Club
- Daon
- Skyward Books
- Sori Studio
- Maru
What people say
Words from people we have worked with.
The explanations were so clear that I was not nervous, even with my first app.
It really launched on the day we agreed on, and later changes were quick too.
Design and development are one person, so we understand each other at once.
- 20 yrsas designer and developer
- 3industries: games, webtoons, retail
- —projects togetherComing soon
- —clients who came backComing soon
Looking for new teammates
We are a one-person company for now, but we would love to meet people to build with. No open roles yet, but let us talk first.
- DesignerDraw screens and brands together.
- Front-end developerBuild moving screens together.
- Back-end developerOwn solid servers and data.
- Mobile developerShip apps for the palm of a hand.
- AI and automation engineerCut repetitive work, smartly.
- Planner or PMDecide what to make, together.
Hover over a chair.
What would you like to build?
You can leave this empty. Tell us whatever you have.