
Contact
Tell us your case — we will lay out the procedure.
Send a brief summary and preferred timeline by KakaoTalk, phone, or email. We reply within one business day with the procedure and expected duration. English, Chinese, basic Russian available.
Five ways to reach us
- Open KakaoTalk →
KakaoTalk Channel
Fastest channel. Send a case summary and preferred timeline; we respond within 24 hours.
- 010-7536-2299 →
Phone
Direct consultation on weekdays 09:00–18:00 (KST). If unavailable, we will call back via KakaoTalk or email.
- mymmm98@naver.com →
Email
Best for sending documents and overseas paperwork. Replies in English, Chinese, or Korean.
- View QR code ↓
WeChat
Recommended for clients in China, Hong Kong, and Taiwan. Search the WeChat ID yj-admin82 or scan the QR code.
- View QR code ↓
LINE
Recommended for clients in Japan, Taiwan, and Thailand. Scan the QR code to add us as a friend.
Global Messengers
Also reachable on WeChat and LINE
If you are overseas or do not use KakaoTalk, you can start your consultation on WeChat or LINE. We reply in Korean, English, and Chinese.
WeChat
Recommended for clients in China, Hong Kong, and Taiwan.

Scan the QR code to add us as a friend.
WeChat ID · yj-admin82
LINE
Recommended for clients in Japan, Taiwan, and Thailand.

Scan the QR code to add us as a friend.
On a phone, press and hold the QR image to save it, then scan it from your album inside the app.
Office
Location
인천광역시 연수구 · 인천광역시 연수구 신송로 161 302호
Exact address will be confirmed after the principal's update (Songdo area).
Consultation hours
Weekdays 09:00–18:00 · Saturday 예약제 · Sunday 휴무
KakaoTalk messages are accepted 24/7 — replies within one business day.
Phone
010-7536-2299Email
mymmm98@naver.com
First consultation
01. Send a brief case summary
Type of matter (e.g. foreign investment, KAHF, corporation setup), current status, target timing, foreign documents on hand.
02. Reply within one business day
We confirm the relevant law and notice and reply with the procedure path, estimated duration, required documents, and a quote.
03. Engagement & full handling
Once engaged, you receive a document checklist; we handle filing, follow-up, and post-issuance steps.
Note
This site provides general information about Korean administrative procedures, not legal advice. Yoonjin operates within the scope of the Administrative Agents Act.