Paying Freelancers in Korea? Your 2026 Tax Guide

Feeling Overwhelmed by Freelancer Tax Filing? You're Not Alone.

Hello! I'm CEO Y, a business consultant who partners with companies from their first startup steps to major growth milestones. 

As the summer of 2026 heats up, I'm reminded of a conversation I had with a young entrepreneur recently. He had launched his business fueled by pure passion, but when it came time to pay his first freelance designer and face the upcoming Q2 tax deadline, he felt completely lost. It's a familiar story. 

No matter the size of your business, taxes often feel like an impossible puzzle. But don't worry. I've helped countless companies navigate their financial and tax challenges, and I'm here to lighten that load for you, too.

First, let's get the basic concept down. When your business pays an individual for their services, like a freelancer, you're required to 'withhold' a portion of their income and pay it to the government on their behalf. 

This process is called 'withholding tax' (or '원천징수' in Korean). For freelancers in Korea, who are classified as business income earners, this amounts to a flat rate of 3.3% of their total fee. 

This is broken down into 3% for national business income tax and 0.3% for local income tax. 

For the second quarter (Q2), which covers all payments made from April 1st to June 30th, you must file and pay this withheld tax by July 10th. 

Just understanding this core principle is half the battle won.

A Step-by-Step Guide to Filing on Hometax

The good news is that you no longer need to visit a tax office in person. You can handle everything conveniently online through Hometax, the official portal of the Korean National Tax Service. 

Think of it as the equivalent of the IRS e-file system in the US. I'll walk you through the process as if I were sitting right next to you. 

First, log into Hometax using your digital certificate. 

From the top menu, navigate to [신고/납부 (Report/Payment)] → [원천세 (Withholding Tax)]. You'll see several reporting options. 

Since this is a regular quarterly filing, you'll want to click on [정기신고 작성 (Periodic Return)].

Once you're on the return form, your basic business information should be pre-filled. Double-check that the 'attribution period' and 'payment period' correctly reflect Q2 (April-June) of 2026. 

Now for the most important part: selecting the 'income type'. For payments made to freelancers, you must check the box for [사업소득 (Business Income)]. 

This will open up the section where you report the withholding details. Here, you need to enter the total number of freelancers you paid during Q2, the total amount paid to all of them combined, and the total income tax you withheld (which should be exactly 3% of the total payment). 

Be precise with these numbers. 

After filling everything in, click 'Submit Return' and make sure you get a confirmation receipt. That's it—the filing part is done!

Your Pre-Filing Checklist: Gather These Essentials First

Just as a warrior inspects their sword and shield before battle, it's wise to prepare your documents before starting the tax filing process. 

To save you from the frustration of starting, stopping, and searching for missing information, I’ve put together a checklist of must-have items. Please review this before you log into Hometax.

Accurate Freelancer Information: This includes their full legal name and their 'Jumin-deungrok-beonho' (주민등록번호), which is the unique 13-digit Resident Registration Number assigned to all Korean citizens. Think of it as being as crucial as a Social Security Number in the US.

Detailed Payment Ledger: You'll need a clear record of all payments made to each freelancer during Q2 (April, May, and June).
Precise Tax Calculation: Have the exact amount of withheld tax (3.3% of total payments) calculated and ready.

Digital Certificate: For accessing Hometax, you'll need a valid joint or financial digital certificate ('공동·금융인증서') registered under the business owner's name. This is a key component of Korea's secure online environment.
Supporting Documents: Keep copies of contracts, invoices, and the freelancer's ID on hand as proof for your records.

A special word of caution: entering an incorrect Resident Registration Number for a freelancer can lead to penalties. It's a best practice to get a copy of their ID card when you first sign a contract and to double-check the number every time. 

Meticulous preparation is not just the first step to saving money on taxes; it's the most reliable one.

The Top Withholding Tax Questions from Business Owners

During my consultations, I've noticed that many business owners ask the same questions. I've compiled a few of the most common ones here to clear up any lingering confusion for you.

Q1. I work with several freelancers. Can I file for all of them at once?

A. Absolutely. The main withholding tax return form (the '원천징수이행상황신고서') is for summary reporting. You'll enter the total number of freelancers, the grand total of payments, and the total tax withheld for the entire quarter in one go. The individual breakdown of who was paid what isn't required until later. You'll submit that detailed information via a separate form called the 'Business Income Simplified Payment Statement' ('사업소득 간이지급명세서') by March 10th of the following year.

Q2. I made a mistake and underpaid the tax. How much are the penalties?

A. If you underpay or pay late, there are generally two types of penalties. First is the 'failure-to-report penalty' ('신고불성실가산세'), which is typically 10% of the tax amount you failed to report correctly. Second is the 'late payment penalty' ('납부지연가산세'), which is an interest charge calculated based on the number of days the payment is overdue. The specific rates can change, but the message is clear: meeting the deadline is always the most cost-effective strategy.

Q3. Is it always 3.3%? What about the 'Simplified Tax Table' I've heard about?

A. This is an excellent and very important question. The 3.3% flat rate is specifically for independent contractors, i.e., freelancers, who are classified as 'business income earners.' The 'Simplified Tax Table' ('간이세액표'), on the other hand, is used for regular employees on your payroll. These are 'earned income earners' who are registered for Korea's four major social insurance programs (National Pension, Health Insurance, etc.). The tax for employees is calculated based on their monthly salary and number of dependents, which is a much more complex calculation. Confusing these two categories is a common mistake with significant consequences, so be sure you classify your workers correctly.

My Final Take: Tax Filing is the First Step to Building Trust

The Q2 withholding tax filing for freelancers might seem like a complex and tedious chore. 

However, I encourage you to see it as more than just a legal obligation. 

It's a fundamental process that demonstrates your commitment to running a transparent business and, just as importantly, builds trust with the talented partners you collaborate with. 

When freelancers know they can count on you to handle the administrative side professionally, it fosters a stronger, more reliable working relationship.

📚 Read the full Korean version on our Naver Blog — with original photos and customer reviews.

📚 Looking for more details? Visit the Tistory version for in-depth notes and search keywords.

📚 Prefer Korean? Check the Google Blogger(Korean) version of this article.