Financial Solutions
Tax Invoice Service
The final step of settlement,
complete tax invoice direct issuance and
reverse issuance all at once
The final step of settlement,
completing both forward
and reverse tax invoices at once
The final step of settlement,
complete tax invoice direct issuance and
reverse issuance all at once
Complete a seamless settlement process
by issuing tax invoices in real-time integration with settlement data.
Complete a seamless settlement process by issuing tax invoices in real-time integration with settlement data.
Tax invoice issuance,
why does it take so long?
The recurring monthly bulk issuance and amendment tasks
increase the workload of the finance team.
Tax invoice issuance,
why does it take so long?
The recurring monthly bulk issuance and amendment tasks
increase the workload of the finance team.
Tax invoice issuance,
why does it take so long?
The recurring monthly bulk issuance and amendment tasks
increase the workload of the finance team.
Why Tax Invoice Issuance Automation
Is Necessary
Why Tax Invoice Issuance Automation
Is Necessary
Smoothly connect communication between partners and the platform
with automatic tax invoice issuance based on settlement amounts.
Choose a subscription over building it yourself. You can get started immediately with minimal resource investment.
Key Features
Key Functions of Tax Invoices
Key Features
Automation of Settlement Calculation Key Features
From reverse issuance to regular issuance
all at once.
Tax invoices are automatically issued based on partner
settlement data. We support both reverse and normal issuance
to adapt to any business structure.
Thousands of cases
with just one click
Issue thousands of tax invoices in bulk simply by uploading an Excel/CSV file. No need to split them into batches of 1,000 like on Hometax.
With accurate information,
worry-free even for bulk issuance
Automatically collect and manage partner information
required for official issuance, and issue tax invoices
with accurate data without entering additional information.
From reverse-issuance to regular issuance, all at once.
Automatically issues tax invoices based on partner settlement data. It supports both reverse and standard issuing to adapt to any business structure.
Thousands of items in just one click
Issue thousands of tax invoices in bulk simply by uploading an Excel/CSV file. No need to split them into batches of 1,000 like on Hometax.
Mass issuance is worry-free with accurate information
Automatically collect and manage partner information required for official tax invoice issuance, allowing you to issue tax invoices with accurate data without any manual data entry.
PortOne's Differentiation
Comparison with other tax invoice services, PortOne's differentiation
PortOne's Differentiation
Comparison with other tax invoice services, PortOne's differentiation
PortOne's Differentiation
Comparison with other tax invoice services, PortOne's differentiation
Features
Hometax
Hometax
PortOne
PortOne
Large-Scale Issuance
1,000 cases at a time
Save Publication Target
Work Efficiency
Accuracy
human error
Support for Partner National Tax Service Integration
API Integration
Check Publication Status
Reverse Issuance
Settlement Data Integration
Partner Convenience
: Construction is possible, but it is highly difficult or time-consuming
: Construction is possible, but it is highly difficult or time-consuming
Features
Hometax
PortOne
Large-Scale Issuance
1,000 cases at a time
Save Publication Target
Accuracy
human error
Work Efficiency
Partner National Tax Service
integration support
Publishing Status/
Current Status Check
Settlement Data
Integration
Reverse Issuance
API Integration
Partner Convenience
: Construction is possible, but it is highly difficult or time-consuming
FAQ
Tax Invoice Frequently Asked Questions
FAQ
Tax Invoice Frequently Asked Questions
Can I use PortOne's tax invoice service on its own?
What is reverse tax invoice issuance?
Is it possible to issue tax invoices in bulk?
When a tax invoice is reverse-issued, what procedure does the partner follow?
Can I also issue a standard tax invoice?
Can I use PortOne's tax invoice service on its own?
What is reverse tax invoice issuance?
Is it possible to issue tax invoices in bulk?
When a tax invoice is reverse-issued, what procedure does the partner follow?
Can I also issue a standard tax invoice?
Key Features
Tax Invoice Frequently Asked Questions
Tax invoice tasks,
don't worry about them anymore
Tax invoice tasks,
don't worry about them anymore
Eliminate all issuance delays and error risks,
and maximize your company's tax management efficiency.
Get 1:1 Personalized Consultation
Get 1:1 Personalized Consultation
Key Features
Automation of Settlement Calculation Key Features
From reverse issuance to regular issuance
all at once.
Automatically issues tax invoices based on partner settlement data. It supports both reverse and standard issuing to adapt to any business structure.
Thousands of cases
with just one click
Issue thousands of tax invoices in bulk simply by uploading an Excel/CSV file. No need to split them into batches of 1,000 like on Hometax.
With accurate information,
worry-free even for bulk issuance
Automatically collect and manage partner information required for regular issuance,
and issue tax invoices with accurate data without the need for separate information entry.
All of PortOne's products
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PortOne Korea Co., Ltd. | CEO Youngju Jeong
4th Floor, JK Tower, 16 Seongsu-iro 20-gil, Seongdong-gu, Seoul
Business Registration Number 117-81-78260
Copyright © 2026 PortOne Korea Corp. All rights reserved.
Copyright © 2026 PortOne Korea Corp. All rights reserved.
All of PortOne's products
Sitemap
PortOne Korea Co., Ltd. | CEO Youngju Jeong
4th Floor, JK Tower, 16 Seongsu-iro 20-gil, Seongdong-gu, Seoul
Business Registration Number 117-81-78260
Copyright © 2026 PortOne Korea Corp. All rights reserved.
Copyright © 2026 PortOne Korea Corp. All rights reserved.
All of PortOne's products
Sitemap
PortOne Korea Co., Ltd. | CEO Youngju Jeong
4th Floor, JK Tower, 16 Seongsu-iro 20-gil, Seongdong-gu, Seoul
Business Registration Number 117-81-78260
Copyright © 2026 PortOne Korea Corp. All rights reserved.
Copyright © 2026 PortOne Korea Corp. All rights reserved.