01BEST
Web SaaS
Subscription B2B services — planning, design, development, and operations under one roof.
Price₩50M~
WONLAB Atelier · 2026
Where every
product begins.
WONLAB builds and operates web SaaS, ERP, and mobile apps. Designed in Seoul, operated in Tokyo.
— About Us —
We don't outsource.
We build.
WONLAB is a product company, not an agency. Everything we learn from building and running our own services goes straight into yours.
01
Two markets, one team
Design in Seoul, sales and ops in Tokyo. One team owns both markets.
02
Product DNA
Know-how from running our own products goes straight into your next one.
03
End-to-end
Planning, design, development and operations under one roof — fewer handoffs.
— Gallery —
WONLAB
Gallery.
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— Services —
What we do,
in four areas.
Web SaaS, ERP, mobile, and custom builds. One full-stack team serving two markets.
02Popular
ERP Systems
Custom ERP for Korea and Japan workflows — sales, finance, HR, and production.
Price₩120M~
03
Mobile Apps
iOS · Android · cross-platform. From design to store release.
Price₩40M~
04NEW
Custom Builds
New products built together with a dedicated PM-led team.
Price₩80M~
05
Market Entry
Localization, payments, tax and legal for entering Korea or Japan.
Price₩30M~
06
Managed Ops
Servers, security and CS after launch — every month, side by side.
Price₩8M~/mo
— Reviews —
What clients say.
Stories from the teams we've worked with. (Sample reviews)
K. Tanaka.
“They don't work like a vendor — they build our product as if it were their own. When we entered Japan, they handled payments and tax from day one.”
Sumin Chung.
“They swapped our old ERP without stopping the business. Not a single store or HQ hiccup.”
H. Sato.
“One team handled the Korea–Japan launch end to end, so we could focus on our business.”
— Location —
Visit
WONLAB.
Address
Daejeon · Seoul · Tokyo
Weekdays 10:00 – 19:00
Contact
contact@wonlab.krA full-stack product builder — designed in Korea, operated in Japan