How to Obtain a Corporate Registration Certificate and Seal Certificate After Incorporation in South Korea
- FLip Korea
- Jun 17
- 3 min read
Once your corporation is officially registered in South Korea, the next essential steps are obtaining:
Corporate Registration Certificate (법인등기사항증명서)
Corporate Seal Certificate (법인인감증명서)
These documents are crucial for contracts, opening bank accounts, issuing invoices, and legal representation. You may need them once at 3 months for bank purposes.
This guide covers both online and offline methods, including how to use a 무인민원발급기 (self-service kiosk).
1. Corporate Registration Certificate (법인등기사항증명서)
What is it?
This is the official document proving your corporation’s legal status. It includes your company name, registration number, business purpose, address, CEO, and date of incorporation.
How to Get It — Online Method
Go to: https://www.iros.go.kr
Login using:
공동인증서 (Digital Certificate)
OR 간편 인증 (Simple Authentication like Kakao/Naver — may not work for corporate users)
Navigate to:증명서 발급 > 법인등기사항증명서
Search your corporation by:
Company name
Corporate registration number
Choose certificate type:
일반 (General)
변경이력 포함 (With Change History)
Pay online (~1,000 KRW per copy)
Download the PDF (legal and valid)
How to Get It — Offline via Registry Office
Visit any 지방법원 등기과 (District Court Registry Office)
Provide your corporation name or number
Request the certificate at the counter
Pay the fee (1,000 KRW per copy)
Receive a physical stamped copy
How to Get It — 무인민원발급기 (Kiosk Method)
Where to Find:
Government buildings, district offices, subway stations, post offices, and some banks
What You Need:
Corporate registration number or name
The business representative’s personal authentication (공동인증서 or ID)
Steps:
Select “등기사항증명서” (Registration Certificate)
Choose 법인등기부 (Corporate Registry)
Enter:
Corporation name or number
Choose number of copies and type
Pay by card (1,000 KRW per copy)
Print and take your document immediately
⚠ Some kiosks may not support corporate certificate issuance if the corporation’s digital certificate isn’t registered. Prefer public buildings for this function.
2. Corporate Seal Certificate (법인 인감증명서)
What is it?
This certifies the validity of your corporation’s official seal (도장) and is used for:
Loan contracts
Office leases
Business partnerships
Legal representations
Bank
How to Get It — After You’ve Registered the Seal
Step 1: Seal Must Already Be RegisteredYou must have registered a 법인 인감도장 (corporate seal) at the time of incorporation or by visiting the Registry Office post-registration.
You’ll receive a Seal Registration Card (인감카드).
Offline Method (Recommended)
Visit Registry Office (등기소) with:
Corporate Seal Registration Card (인감카드)
Representative’s personal ID
Request an 인감증명서 (Seal Certificate)
Pay ~1,000 KRW
Receive physical copy
무인민원발급기 (Kiosk) — Limited Use
Most kiosks do not support corporate seal certificates unless the corporation’s digital certificate is linked. Even then, authentication may be complex. It’s generally not recommended unless you’ve verified kiosk compatibility through your local government website.
Online Issuance: Possible But Complex
Available via:
https://www.g4b.go.kr (for businesses)
Required:
Corporate digital certificate (법인 공동인증서)
Electronically registered seal
Pre-authorization via corporate representative’s ID
🔐 Due to strong security, many banks and partners still request offline hard copies, even if the online version exists.
Summary Table
Item | Online (Website) | Offline (Registry Office) | Kiosk (무인민원발급기) |
Corporate Registration Certificate | Yes | Most locations | |
Corporate Seal Certificate | Requires digital seal | Best method | Rarely supported |
Keep your Seal Registration Card (인감카드) safe — it's required for any future certificate issuance.
Corporate certificates can usually be requested by proxy (e.g., staff or accountant) with power of attorney.
Always bring the corporate registration number and a valid ID when visiting in person.
For frequent needs, register for 전자증명서 (electronic certificates) through the G4B system.
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