Simplify Your Taxation in Japan

with Our IT Solutions and English Speaking Tax Consultant!

Simplify Your Taxation in Japan

with Our IT Solutions and English Speaking Tax Consultant!

Looking for First-Class IT Skilled and English speaking Tax Consultant in Japan?

Office Features

IT&Tax Integration

Business is increasingly digital, and we combine the IT and tax domains to increase operational efficiency and improve economic benefits. Many of our clients appreciate this aspect of our services.

Business Understanding

We have a deep understanding of businesses and support their growth. With over 13 years of back office experience and sales experience, we can provide a wide range of tax and non-tax consulting services.

Japan Tax Consultant in English

We offer expert guidance in Japanese tax law, delivered in fluent English. Our services are designed to assist non-residents, English-speaking residents, and businesses operating in Japan.

IT Skill and Tax Service by English speaking Tax Consultant (Zeirishi). Infinite possibilities. Endless opportunities.


Pay-As-You-Go Consulting
Business Tax Advisory
Sole Proprietor
Tax Return (Corp & Indiv)
Tax Investigations Support
Sole Proprietor
Inheritance, Gift, & Stock Valuation
Small Business Acquisition & Sale
Loan Assistance

More than 13 Years of

English-Speaking Tax Service

All services by Zeirishi with MBA

Late Filing and Tax Investigation support

Gentle support for those starting a business in Japan

Pay-As-You-Go Consultation


Discover the comprehensive tax services tailored for English-speaking individuals and businesses in Japan. Dive deep into the intricacies of Japanese taxation, understand the challenges faced by non-native speakers, and explore the wide range of services offered to simplify your tax journey. Whether you’re an individual, a corporation, or seeking specialized services, this video provides a clear overview of how we can assist you. Don’t let language and cultural barriers hinder your understanding of Japanese taxes. Let’s navigate the complexities together.”

Case Study

How to sell and when to sell the properties for individuals

Inheritance and Selling Shared Property

Resident Tax, Income Tax, and Social Insurance for Non-Residents

How to sell and when to sell the properties for individuals

Inheritance and Selling Shared Property

Resident Tax, Income Tax, and Social Insurance for Non-Residents

Resident Tax, Income Tax, and Social Insurance for Non-Residents

Inheritance and Selling Shared Property

Customer Testimonials


As a sole proprietor, we understand that you have unique needs. That’s why we offer a comprehensive suite of services tailored just for you. This includes tax advisory services to help you navigate the complexities of tax law, tax return support to ensure you meet all your obligations, accounting and financial advice to help manage your business finances effectively, and tax reduction strategies to help you save money and grow your business. We’re here to support you every step of the way.

We’re committed to making our services accessible to everyone, including non-Japanese clients. That’s why we offer a range of services in both Japanese and English. Whether you’re looking to establish a business in Japan, need advice on tax procedures, or require consultation services for individual or corporate matters, we’ve got you covered. Rest assured. We’re here to support you in the language that’s most comfortable for you.

Absolutely! We understand that tax deadlines can be stressful. No matter how close the deadline is, we’re here to help. However, we recommend contacting us as early as possible to ensure we can provide the best advice and service. Don’t hesitate to get in touch!

Sure! We’re happy to share our expertise in tax, and management matters through speaking and writing engagements. We’re looking forward to collaborating with you!

Being contacted by a tax audit can be a stressful experience, but don’t worry. We support tax audits, even if you’re not currently one of our clients. Please don’t hesitate to contact us and share your situation. We’re ready to guide you through the process and make it as smooth as possible.

Yes. We’re here to guide you through the process of incorporation. We’ll work closely with you, analyzing your past financial data and other information to determine if incorporation is correct for you.

Yes, we offer online consultations. We utilize telephone and video calls to serve our remote customers.

Yes, we also provide consultation on business succession and business sales. We can provide services such as tax and valuation optimization and assistance with financing.

Yes, we can provide consultation on income tax and consumption tax issues alone. Single consultations are also welcome, so please feel free to contact us.

Yes, we also provide IT-related services. We can help you improve your business management by utilizing IT, such as streamlining accounting and finance, and supporting the introduction of cloud accounting.

Service fees vary depending on the nature of the consultation and the scope of services. Please refer to the rates listed on this page first. We will also be happy to provide a quote for items not listed. Please let us know your specific needs.

Consultations outside of business hours are also available by appointment in advance. We strive to be flexible and accommodating to our customers’ needs.


We are a member of the “Association of Micro M&A Professionals” and aim to work with M&A professionals to provide more excellent value to our clients. Mergers and acquisitions are not only an option for business liquidation but also an option that can be taken by small and medium-sized companies that need more successors.
We use Yayoi and Freee accounting software. In addition to installed accounting software, we employ cloud accounting software to meet the needs of our clients. We also have partnerships in labor management, such as Jobcan.

In addition, we aim to cooperate with the following companies and organizations as future partners

    1. Accounting and labor software companies: Partnering with cloud accounting software can provide customers with more efficient accounting processes.
    2. Tax and labor consulting firm: We work with tax and labor professionals to provide comprehensive services to our clients.
    3. Management consulting firm: we will work with business strategy and marketing experts to help our clients grow their businesses. We will also cooperate with M&A related to business succession.
    4. International tax and law firms: provide expertise in foreign tax and legal systems to clients with international operations.

For partnership information, please get in touch with us at