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E-4 Technology Transfer Visa Korea — Foreign Technical Experts & Industrial Know-How
The (기술지도) visa is issued to foreign specialists who come to Korea to transfer industrial technology, proprietary technical know-how, or specialized production methods to a Korean company or institution. E-4 is primarily used by multinational companies transferring specific technologies to Korean affiliates, joint ventures, or licensed manufacturers.
검토 및 출처 기준
검토 기준
James Chae, 행정사 (Korean Licensed Administrative Attorney). License No. 220-06-06463 · 대한행정사회 (Korean Administrative Agents Association). Reviewed against the HiKorea 사증·체류업무 자격별 안내 매뉴얼 and cross-checked with Ministry of Justice issuances.
최종 검토일
2026년 4월 22일
출처 기준
HiKorea — Korean visa & residency manual
Ministry of Justice Immigration Policy Bureau
Korea Immigration Service (출입국·외국인정책본부)
신청 전 주의사항
Requirements can change by nationality, local immigration office, and filing channel. Confirm exact requirements with HiKorea, the responsible Korean consulate, or a licensed immigration specialist before filing.
What is 'technology transfer' under E-4?
covers a foreign expert coming to Korea to:
• Transfer proprietary manufacturing processes or industrial know-how to Korean employees
• Provide technical guidance during installation of specialized industrial equipment
• Train Korean engineers on the operation of patented or licensed technology
• Provide onsite troubleshooting under a technology licensing agreement
Key principle: The technology being transferred must be proprietary to the foreign specialist or their company. A software engineer teaching general Python programming does not qualify for . A specialist from a German machinery manufacturer commissioning a proprietary CNC system at a Korean factory under a licensing agreement does qualify.
Technology transfer agreement: A formal contract between the Korean company and the foreign entity is almost always required.
Eligibility and required documents
For the specialist: 5+ years in the field, formal role at the technology-holding company, credentials demonstrating expertise.
For the Korean company: A formal technology transfer or licensing agreement as the legal basis.
Key documents:
• Appointment letter from the foreign technology-holding company
• Technology transfer agreement between the foreign and Korean company
• Korean company's business registration certificate
• Detailed description of the technology and training plan
• Technical credentials: degree, professional licenses, patents, work history
행정사의 팁
The technology transfer agreement is the cornerstone document for — invest time in having it clearly drafted before applying.
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검증된 행정사와 상담하세요
저희 전문가들은 e-4 technology transfer visa korea — foreign technical experts & industrial know-how 사례를 정기적으로 처리하며 한국 출입국관리소가 요구하는 사항을 정확히 알고 있습니다.
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Mr. Visa Korea에는 운영팀이 검증한 공인 출입국행정사(행정사)가 등록되어 있습니다. 콜드콜 없이 바로 상담을 예약하세요.
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주요 출입국 용어
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자주 묻는 질문
Can a freelance technical consultant get E-4?
Potentially yes, if the consultant has a formal technology transfer contract with a Korean company and possesses proprietary or highly specialized technical knowledge. A generic IT consultant typically needs ; a specialist with patented technology under a formal licensing arrangement has a stronger case.
