E-4 Technological Guidance Visa
For foreign specialists providing advanced technical knowledge or specialized industrial technology to eligible Korean institutions.

Visa Overview
The E-4 Visa covers the provision of professional knowledge in natural sciences or specialized industrial technology to Korean public or private institutions, including qualifying technology-introduction arrangements.
Processing Time
Varies by Application
Processing time depends on application type, case facts, and document review.
Stay Period
Up to 5 Years at a Time
This is the official maximum at one time. The actual grant may be shorter.
Work Activity
Technological Guidance
Activities must remain within the approved scope.
Government Fee
Varies by Application Type
Confirm the current official fee for the exact immigration procedure before filing.
Important Notice
Employment and activities must remain within the approved status, occupation, duties, and workplace. Changes or additional activities may require prior permission or notification.
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Eligibility
General Requirements
The exact requirements depend on the application route and the facts of each case. These are general points listed for this status.
- ✓Meet the qualification requirements applicable to the specific activity or profession.
- ✓Have a qualifying contract, appointment, or engagement with an eligible Korean institution or employer.
- ✓Meet any occupation-specific, licensing, wage, recommendation, or employer requirements that apply.
Documents
Common Document Categories
Check the competent authority’s latest instructions for documents required for your specific application.
- ✓Application form, passport, and resident card where applicable.
- ✓Employment, appointment, or engagement contract.
- ✓Degree, career, license, or qualification evidence applicable to the activity.
- ✓Employer or institution establishment/registration documents.
- ✓Recommendation and occupation-specific supporting documents where required.
Process
General Application Steps
These general steps describe the applicant’s process, not a filing service provided by Modical.
- 1
Confirm the correct status, subcategory, and activity.
- 2
Review applicant qualifications.
- 3
Review employer/institution and contract requirements.
- 4
Prepare supporting documents.
- 5
Submit the appropriate visa or stay application.
- 6
Manage post-approval workplace/activity changes under the applicable rules.
FAQ
Common questions
Is the maximum stay period guaranteed?+
No. The stated period is the official maximum that may be granted at one time. The actual grant may be shorter depending on the contract and immigration review.
Can I change employers or workplaces freely?+
Not necessarily. The applicable permission or notification procedure must be checked before or after the change as required.