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2026 Top Reasons for OASIS Visa Rejection in Korea - D-10-2 & D-8-4 Explained

Tyler Sahib

Tyler Sahib

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Immigrating to South Korea as a foreign founder

Many foreign founders immigrate to Korea and start their startup journey in one of the most vibrant and innovative cities in the world. 

Founders join a well-known Startup Immigration System in Korea named Overall Assistance for Startups Immigration System (OASIS). The system an instruction that founders receive seem straight forward, clear, and online resources (of which most are outdated) seem sufficient to get the visa without any trouble. 

Here is a link for the OASIS Program Hub for full program information, schedule, and qualification assessment.

🌐 OASIS Startup Visa Korea | Korea Startup Immigration Program

The OASIS Program Journy

Once founders complete their first OASIS course the questions in their head pile-up.

  • How do I calculate my points?
  • What my accumulated points mean for my visa application?
  • How do I prepare the business plan?
  • What is the business plan accurate form?
  • What documents do I need?
  • How do I get some of the standard documents? What is the name in Korean
  • How do I fill the form?

And many other questions that makes what felt straight-forward in the beginning becomes a complicated process or questions that no single entity can provide one clear answer for. In most cases, not even the OASIS program providers. Which I have personally witnessed through assisting my global startup CEOs community members.

What felt straight-forward in the beginning becomes a complicated process

Common Reasons for OSIS Visa Rejections (D-8-4 & D-10-2)

Some of the most common reasons for the Korea Startup Visa D-8-4 & D-10-2 rejection is not that you don't qualify. Mostly is because you aren't prepared. 

Below are some of the common rejection reasons:

  • Insufficient Points.
  • The number of total points seem right, but lacking immigration internal system eligibility indicator.
  • Missing forms or inaccurate forms used.
  • Missing documents.
  • In-dept Knowledge about your eligibility (this is where most people end up paying expensive fees to external entities for help).

The False Confidence Trap

I recently ran into a founder preparing for his D-8-4 visa in Korea while he was working through his paperwork.

He was confident.

Confident that the path he chose was the best one.

Confident that he had to make the expenses he's making at the time he's making them. 

Confident that he had things under control.

But as we got deeper into the conversation, it became clear that there were gaps in his approach and more importantly, missed opportunities based on his personal profile.

One of his main concerns was cost.

So, I asked him a simple question:

Did you check your eligibility and pathway before starting?

He hadn’t.

He mentioned he was comfortable filling out forms and assumed that would be enough.

That’s where most applicants go wrong.

It’s not only about filling forms correctly, but also

it’s about knowing what to do before you start filling them and what your application needs.

Once we walked through his situation, it became obvious:

He was taking steps out of order

  • He was spending on things he didn’t actually need
  • And he was missing more efficient ways to reach the required outcome
  • Had he started with a clear understanding of his eligibility, he would have approached the entire process differently.

After seeing the gaps, he immediately shifted his approach — not by doing more, but by doing the right things in the right way.

Currently, the best way to prepare for your D-8-4 or D-8-4-S visas are by maintaining your visa profile and regularly updating it with the SkalePLUS - Korea Startup Visa Clarity Tool

  Currently, the best way to prepare for your D-8-4 or D-8-4-S visas are by maintaining your visa profile and regularly updating it with the SkalePLUS - Korea Startup Visa Clarity Tool

How to avoid OASIS visa rejection (D-8-4 & D-10-2)

To avoid being rejected while doing the OASIS program for the D-8-4 or D10-2. Or even the Special Startup Visa D-8-S you have to ensure the following:

1. Calculate Your Points - With Context 

  • Calculate your points
  • Understand what those points actually mean
  • Know how they translate into real eligibility

2. Assess What You Already Have 

  • Identify which OASIS items you already qualify for
  • Understand how they contribute to your visa pathway

3. Identify What's Missing 

  • Assess gaps in your profile
  • Identify available opportunities to close them

4. Simulate Your Visa Path

  • Test different scenarios
  • Choose the most efficient path forward
  • Avoid unnecessary steps

5. Maintain Clarity on Your Visa Profile

  • Keep your visa profile updated
  • Always know where you stand

6. Use Verified, Up to Date Information

  • Access reliable tips
  • Avoid repeated immigration visits
  • Reduce unnecessary expenses

7. Prepare the Right Documents

  • Understand that document requirements vary by visa type
  • Know the difference between:

Know What to Submit, and Where

  • Understand what needs to be written in each document
  • Know document names in Korea
  • Know where to obtain them
  • Use the correct and most up-to-date forms
  • Apply under the correct immigration jurisdiction

If you do the above, you will be in a better position than 90% of applicants. You will have early clarity, confidence, and deep knowledge about your case so you can defend it when asked a question at the Immigration Office in Korea.

Achieve this by using the SkalePLUS Korea Startup Visa Clarity Tool

What does the SkalePLUS Korea Startup Startup Visa Clarity Tool (OASIS Visa Tool) do?

The SkalePLUS Korea Startup Visa Clarity Tool is designed to help founders understand their eligibility, points, and possible pathways within the OASIS system and beyond.

It combines:

  • Structured interpretation of visa requirements
  • Real-world patterns observed across applications
  • Your individual profile and inputs

What this allows you to do

1. It allows applicants to move beyond guesswork and:

2. Calculate points with context

3. Identify combinations of qualifications or activities that may appear valid but do not actually count toward eligibility when assessed together

4. Instantly map points and OASIS items to real eligibility

5. Simulate visa pathways and identify the most efficient path forward

6. Maintain an updated profile where changes reflect instantly on eligibility

7. Prepare applications online without worrying about outdated forms

8. Make corrections easily without restarting the process

9. Access filling tips and application-level recommendations

10. Generate a customized document checklist based on your situation

11. Gain deeper insight into required documents

12. Access relevant immigration office information

Final Thought

OASIS visa rejection is rarely about missing requirements.

It’s about how those requirements are approached.

Most applicants don’t fail because they lack qualifications —

they fail because they move forward without clarity.

Understanding your position before taking action changes everything.

👉 https://skaleplus.com/oasis-visa-korea

👉 https://skaleplus.com/business-tools 

#D-10-2#D-8-4#Visa#Startup Visa#Startup Visa Korea#Korea

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