Korea Startup Visa Pathway 2026: OASIS Certificate → D-10-2 → D-8-4 Explained

Table of Contents

1. Why the OASIS → D-10-2 → D-8-4 pathway matters in 2026

For foreign founders entering Korea, the biggest hurdle is not incorporation—it is immigration status. The most reliable route in 2026 remains a three-step path:

• OASIS Certificate (startup education and evaluation)
• D-10-2 Startup Preparation Visa (time to build and incorporate)
• D-8-4 Startup Visa (full startup residence status)

This pathway is popular because it creates a legitimate, reviewable paper trail. It is also more predictable than trying to secure D-8-4 directly without structured preparation.

2. Quick overview of the three-step path

Here is the simplified map:

1. OASIS Program → obtain OASIS Certificate
2. Apply for D-10-2 → build the startup and incorporate
3. Apply for D-8-4 → long-term startup visa status

Think of OASIS as the “qualification and evaluation” step, D-10-2 as your “startup runway,” and D-8-4 as the final investor/entrepreneur residence status.

3. OASIS program basics (who it is for)

OASIS is a government-backed startup education and evaluation program designed for foreign entrepreneurs. It is aimed at:

• Founders with a technology-based or innovation-driven idea
• Teams that can demonstrate commercial viability
• Applicants who can pass structured education and evaluation modules

If you are preparing to start a Korean company but lack a visa that allows long-term business activity, OASIS provides a structured bridge.

4. How the OASIS Certificate actually works

The OASIS Certificate is a key document recognized by immigration authorities. It proves that you:

• Completed the required training
• Passed the evaluation criteria
• Have a viable startup plan

Important nuance: The certificate does not automatically grant a visa. It is used as evidence in the D-10-2 and D-8-4 process. In 2026, immigration officers look at the certificate as a positive but not sufficient condition. You still need solid business and financial documentation.

5. D-10-2 startup preparation visa: what it allows you to do

The D-10-2 visa is designed for founders who are actively preparing a business. It generally allows you to:

• Stay in Korea legally while building your startup
• Open a corporate bank account (with the right documentation)
• Secure office space or a registered address
• Prepare incorporation and recruit early staff

For most foreign founders, D-10-2 is the critical working period where you turn a concept into an operating company that can qualify for D-8-4.

Typical D-10-2 documentation

• OASIS Certificate (or equivalent startup evaluation)
• Business plan and pitch deck
• Financial proof or funding evidence
• Personal background and immigration documents

6. D-8-4 startup visa: core requirements in 2026

D-8-4 is the long-term startup visa designed for technology-based companies. While specifics vary, most applicants need to show:

• A Korean company with the applicant as founder or key executive
• A technology-based business (software, advanced manufacturing, biotech, etc.)
• Evidence of funding or financial capacity
• A credible growth and hiring plan

Common evidence types

• Incorporation documents
• Shareholder register and capital deposit certificate
• Office lease or registered address documents
• Product or prototype documentation
• Contracts, MOUs, or LOIs with customers or partners

7. Points system and typical evidence used by applicants

Immigration officers assess applications using a mix of quantitative and qualitative indicators. Applicants with strong evidence in these categories tend to be approved faster:

If your application lacks hard data, you should focus on documenting early traction and formalizing relationships.

8. Timeline planning and the most common bottlenecks

A realistic timeline in 2026 looks like this:

1. OASIS application and training (4–8 weeks)
2. OASIS evaluation and certificate issuance (2–4 weeks)
3. D-10-2 application and approval (4–8 weeks)
4. Startup build and incorporation (2–6 months)
5. D-8-4 application and approval (6–10 weeks)

Common bottlenecks

• Missing or inconsistent financial proof
• Unclear technology explanation
• Insufficient local business substance (no office, no local team)

9. Incorporation strategy while on D-10-2

During D-10-2 status, incorporation should be planned around immigration requirements. Consider:

• Minimum capital levels that appear credible for the business model
• A Korean business address that supports banking and compliance
• Corporate governance setup that matches your operational plan

If you rush incorporation, you may end up with a structure that is hard to explain to immigration officers later. The safest approach is to design the company structure with D-8-4 documentation in mind.

10. Banking, office address, and proof of business substance

These practical details are often the reason visa transitions fail:

• Banking: Korean banks require clear proof of business substance. A vague address or missing documentation can block your account.
• Office address: Virtual offices are possible but not always accepted for visa purposes. If you use one, make sure it meets substance requirements.
• Substance proof: Provide clear evidence of operational activity—contracts, invoices, hiring plans, or product documentation.

11. Practical checklist for foreign founders

Use this checklist before applying for D-8-4:

• OASIS Certificate or equivalent evaluation document
• Korean company registration documents
• Capital deposit certificate
• Office lease or registered address proof
• Business plan (updated, not the original draft)
• Funding evidence (bank statements, investor documents)
• Hiring plan and org chart
• Product roadmap and prototype evidence

12. Common mistakes and how to avoid them

1. Treating OASIS as a visa approval – it is not.
2. Underestimating documentation volume – D-8-4 applications are evidence-heavy.
3. Using a low-credibility address – this can delay banking and immigration.
4. Failing to document traction – even early-stage startups need proof of activity.
5. Misaligned company structure – inconsistent shareholding details are a red flag.

Avoiding these mistakes will save months and reduce the risk of rejection.

13. Budgeting and cost planning for the visa pathway

While visa fees are not usually the biggest expense, startup preparation costs add up quickly. Founders should budget for:

• Office or address costs (lease, deposit, or qualified virtual office)
• Incorporation fees and notary costs (depending on your structure)
• Translation and documentation (certified translations are often required)
• Banking and minimum capital needs (capital should match your business scale)

A common mistake is to under-budget and then scramble for funding proof during D-8-4 review. A realistic, documented budget plan strengthens your credibility and supports a smoother transition.

14. Example roadmap: how a 2026 founder can sequence tasks

Here is a practical roadmap used by many founders:

1. Month 1–2: Apply to OASIS, complete training, collect certificate
2. Month 3: Apply for D-10-2, prepare a localization plan
3. Month 4–5: Secure address, open corporate account, finalize incorporation
4. Month 6: Build product MVP, gather early customer feedback
5. Month 7–8: File D-8-4 with evidence of substance and traction

This sequence reduces bottlenecks and gives you enough time to collect the evidence immigration officers expect in 2026.

15. Mini-FAQ: short answers to common founder questions

Can I bring a co-founder or team member on this pathway? Possibly, but each person’s visa is evaluated separately. If a team member is not the primary founder, it is often safer to structure them as a specialist employee later, once the company has stronger proof of operations.

Does remote work outside Korea harm my D-10-2 status? Occasional travel is fine, but immigration officers expect you to demonstrate active local preparation. Long absences without a clear business reason can hurt credibility.

Do I need revenue before applying for D-8-4? Revenue is not mandatory, but evidence of traction (pilot contracts, signed LOIs, or verified user growth) significantly improves approval odds.

16. Final next steps

If you are planning a Korea startup launch in 2026, the best strategy is to sequence your legal steps properly:

1. Complete OASIS and secure the certificate
2. Apply for D-10-2 and build real business substance
3. Incorporate with a D-8-4-ready structure
4. Apply for D-8-4 with strong documentation

This pathway is manageable when structured well, but it requires careful coordination between immigration timing and corporate setup.

📩 Contact us at sma@saemunan.com