01
BEST₩50M~
Web SaaS
Subscription B2B services — planning, design, development, and operations under one roof.
View details →Available for projects · 2026
Built in Korea.
Operated in Japan.
WONLAB builds and operates web SaaS, ERP, and mobile apps. Designed in Seoul, operated in Tokyo.
- 2Markets · KR & JP
- 1 teamPlan · Design · Dev
- 100%In-house build
Partners
Hanbit RetailSakura TradingBlue HarborMirae BioKaze LogisticsNuri FintechTokyo StudioSeoul MarketHanbit RetailSakura TradingBlue HarborMirae BioKaze LogisticsNuri FintechTokyo StudioSeoul Market
/ 01 — Our Story
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.
Designed in Korea, sold and operated on the ground in Japan. If you need a team that understands both markets, WONLAB is the answer.
2
Markets · KR & JP
1 team
Plan · Design · Dev
100%
In-house build
24/7
Ops support
/ 03 — Why us
Why
WONLAB.
Point 01
WONLAB
Two markets, one team
Design in Seoul, sales and ops in Tokyo. One team owns both markets.
Point 02
WONLAB
Product DNA
Know-how from running our own products goes straight into your next one.
Point 03
WONLAB
End-to-end
Planning, design, development and operations under one roof — fewer handoffs.
/ 04 — Clients say
What clients
say.
Stories from the teams we've worked with. (Sample reviews)
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.
KT
K. Tanaka
CEO · Wholesale distributor
They swapped our old ERP without stopping the business. Not a single store or HQ hiccup.
SC
Sumin Chung
Ops Director · Manufacturer
One team handled the Korea–Japan launch end to end, so we could focus on our business.
HS
H. Sato
Product Lead · Bio startup
/ 05 — Contact
Your next product —
shall we build it together?
If you need a partner with real operating experience and KR–JP localization know-how, just knock. We usually reply within one business day.
- Address
- Daejeon · Seoul · Tokyo
- Hours
- Weekdays 10:00 – 19:00
- Company
- WONLAB Inc. · Jewon You