Business Registration & Tax김애진(Updated: 2026.05.12)

A Must for New Owners: How to Register a Business Credit Card on Hometax

We walk you step by step through two things every new business should do early on: separating your business card from your personal card, and registering it on Hometax. Just splitting your cards makes tax filing easier, and registering on Hometax auto-syncs your spending so VAT and comprehensive income tax expense handling becomes far simpler.

A guide for new business owners on registering a business credit card on Hometax and automating tax management.

Editor's Note

Today we're going to walk new business owners through how to register a business credit card! One of the most important parts of starting a business is managing taxes. Terms like VAT and comprehensive income tax may have been something you never had to worry about as an employee, but once you become a business owner, they become things you have to handle yourself.

In the early days, when revenue isn't yet stable, many people find hiring a tax accountant too much of a burden and choose to file on their own. Of course, if you can afford it, leaving it to an expert is the most accurate option. But if you've decided to file on your own, the very first habit you need to build is "separating your expenses." So let's take a look, one step at a time.


ℹ️ 1. Why do you need to separate business and personal expenses?

1. Why do you need to separate business and personal expenses? The expenses that come up while running a business need to be clearly separated from your personal spending. Business expenses can be recognized as deductible costs when you file your taxes, but if you mix in personal spending, it can cause problems during a tax audit. For example, if you process your home electricity bill or a family dining-out expense as a business cost, you run a high risk of being hit with penalty taxes. That's why it's so important to keep business and personal expenses strictly separate.


ℹ️ 2. The easiest way to separate: start with your cards

2. The easiest way to separate: start with your cards The simplest approach is to set up a separate business card and personal card. This makes your spending records clear and makes tax filing much easier. With a business card, you can easily manage every expense related to your business. Because card transactions are recorded automatically, it's also convenient when it's time to file your taxes later.


⚠️ 3. Got the card? Registering it on Hometax is a must

3. Got the card? Registering it on Hometax is a must Once you've created a business card, you must register it on Hometax. If you don't register it on Hometax, you won't be able to receive tax benefits, and it can cause problems down the road. The registration process is simple, so be sure not to forget it. Once it's registered on Hometax, the amounts you spend with the business card are automatically reflected in your tax filing, making tax management much easier.

[Invoices, Receipts & Cards] -> [Credit Card Purchases] -> [Business Credit Card Registration & Inquiry]


ℹ️ 4. Do it right now: how to register a business card

4. Do it right now: how to register a business card Here's how to register a business card on Hometax. First, log in to Hometax, go to the 'Invoices, Receipts & Cards' menu, select 'Credit Card Purchases,' then click 'Business Credit Card Registration & Inquiry' and enter the required information. Make sure to enter your business registration number and card details accurately. Once registration is complete, you can look up your card transaction history anytime. You can also register easily from your phone. Just download the Hometax app on your smartphone, log in, and follow the same steps.

This way, you can manage your business card conveniently anytime, anywhere.

✅ Registering your business card is the first step in tax management!

Registering your business card is the first step in tax management. Register it right now and start enjoying the tax benefits!

For new business owners just starting out, this process might feel a bit tedious, but it will be a big help later on. By registering your business card, you can simplify your tax filing and reduce unnecessary tax burdens.


Related content you might like A practical guide to cash receipts for businesses, ready to use right at the register

Learn more about CoworkCity virtual offices

About the author

김애진

김애진

코워크시티 공동대표

Experience

  • 코워크시티 공동창업자 (2022~)
  • 전국 180개+ 비상주사무실 지점 운영
  • 누적 계약 30,000건+ 플랫폼 구축
  • 오피스 계약관리 특허 보유 (제10-2489520호)