Japan Income Tax Filing Services for Foreigners | Kaku Tax Office

Service Overview

We provide professional income tax filing preparation and submission services for foreigners living in Japan or those residing abroad who need to file Japanese income tax returns.

Navigating Japan’s complex tax system can be challenging, but we make it simple and accessible for you.

Who This Service Is For

  • Foreigners residing in Japan
  • Non-residents with income sources in Japan
  • Foreign nationals required to file tax returns in Japan
  • Those uncertain about Japanese tax filing procedures
  • Those seeking professional support for tax office submissions

Our Services

Japanese Income Tax Return Preparation

Based on your income and deduction information, we prepare accurate and compliant tax returns.

Document Preparation Support

We provide comprehensive support in identifying and organizing required documentation.

Tax Return Filing Agency Service

We submit your completed tax return to the tax office electronically on your behalf.

Multilingual Support

We offer support in English (primarily via email) and Korean (email only).

Application Deadline

Accepting Applications Until December 31, 2025

Please apply early. We experience high demand close to the deadline, so we recommend submitting your application with sufficient time in advance.

Income Tax Filing Fee Guide

Service TypeFee
Employment Income Only
For salaried employees and those filing with employment income only
200,000 JPY ~
(excluding tax)
Real Estate Income in Japan
For those with rental properties and real estate income to declare
400,000 JPY ~
(excluding tax)

※ Fees may vary depending on the details of income deductions and other factors.
※ For real estate income, fees may vary based on the number of properties and transaction details.
※ For other types of income or detailed quotations, please feel free to contact us.

How to Get Started / Service Process

Inquiry & Sign-up

Submit your application through our dedicated form.

Hearing & Quotation

Our representative will contact you to understand your situation and provide an official quote.

50% Payment / Initial Payment

Our representative will contact you to confirm your situation and provide an official quotation.

Document Preparation

Following our guidance, you will submit the required documents in digital format.

Tax Return Draft & Review

We prepare your tax return and provide it to you for review and confirmation.

Filing & Completion

We electronically file your return with the tax office and provide you with a copy of the completed submission.

Frequently Asked Questions / FAQ

Q. What documents are required?

Typically, you will need withholding tax certificates, deduction certificates, identification documents, and copies of previous tax returns if available. Detailed requirements will be explained during consultation.

Q. Can you provide support in English?

Yes, we offer support in English and Korean via email correspondence.

Q. Can I just consult without committing to the service?

Yes, absolutely. Initial consultations are free, so please feel free to contact us.

Q. What documents do I need to prepare?

Required documents vary depending on your income type. After contracting our services, we will provide you with a comprehensive list of necessary documents. (Examples: withholding tax certificates, payment statements, various deduction certificates, copies of previously filed returns, etc.)

Q. I live outside of Japan, can I use your service?

Yes, you can. We support non-residents who have filing obligations in Japan, such as those with rental income from Japanese real estate. All communication is conducted via email.

Q. What payment methods are accepted?

We accept payment via bank transfer.

Start Your Japanese Income Tax Filing Today

Application Deadline: December 31, 2025

As the filing deadline approaches, we experience high demand. Please apply early to secure your spot.
You can proceed to our application form below.

Type of income
Service
Preferred contact method
Please briefly describe other income-related circumstances.

About Us / Office Information

Office Name / Business Name: Kaku International Accounting Office

Representative: Koji Kaku

Address: Albergo Ochanomizu Room 421, 2-1-19 Kanda Surugadai, Chiyoda-ku, Tokyo 101-0062, Japan

Business Hours: Weekdays 9:00 AM – 6:00 PM

Closed: Saturdays, Sundays, and National Holidays

Contact: info@kakutax.com

Office Information

Office NameKaku International Accounting Office
RepresentativeKoji Kaku – Certified Tax Accountant, Administrative Scrivener
AddressAlbergo Ochanomizu Room 421, 2-1-19 Kanda Surugadai, Chiyoda-ku, Tokyo 101-0062, Japan
Phone03-5577-3874
Mobile090-4389-6703
Emailinfo@kakutax.com