Tax Services in Japan for Expats and Small Businesses | Cazusa Tax Office

Our services

Navigating Japan’s tax and reporting system as a foreigner can be confusing and overwhelming.
Missed deadlines or misunderstandings can cost you — but you don’t have to go through it alone.
At Cazusa Tax Accountant Office, based in Nerima, Tokyo, we specialize in tax services tailored for expats, foreign residents, and overseas clients.
Your consultations, filings, and inquiries are handled directly by the tax accountant, with clarity and care.

Profile

Cazusa Masuda

Tax Accountant Registration Number: 144624

Previous Experience at a Big 4 Firm

Contact us

You may have various tax concerns that you don’t know who to ask.　If you have any questions, please feel free to reach out to us via the inquiry form below, Email, Google Chat, LINE.

E-mail: info@cazusa.com

We’re here to help you every step of the way.

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※Please note that we are currently not accepting consultations via ZOOM or phone calls. Communication will be conducted through email and chat instead.

Comments from our clients

J.C.様（Singapore, Refund of withholding tax from lump-sum withdrawal payment claim）

Communication was very smooth and service was very prompt.

WZN様（Singapore, Refund of withholding tax from lump-sum withdrawal payment claim）

Very efficient and meticulously service. I have already recommended your services to my friends whom will go through the same process soon.

JE様（Australia, Refund of withholding tax from lump-sum withdrawal payment claim）

Your services were easy to use and understand. Everything was communicated and explained well and completed promptly. Masuda-san was extremely professional and helpful and I would definitely use these services again.

A.R.様（ Austria, Refund of withholding tax from lump-sum withdrawal payment claim）

I loved how open minded you were and how detailed your Information was making the entire process easy to understand email correspondence was great too and very fast

MGD様（ USA, Refund of withholding tax from lump-sum withdrawal payment claim）

I recommend you to everyone in Tokyo! Great communication, helped me understand everything, and a good attitude as well.  

R.C.様（USA, Refund of withholding tax from lump-sum withdrawal payment claim）

Great service. Got the refund of my withholding tax promptly. They were also always fast to respond to my emails. I’ve recommended Cazasa to my friends in Japan and would have no reservation doing so again.

D.A.様（Tax treatment for Expats in Japan）

Prompt service.

H.Z.様（Canada, Tax filing agency service）

It was such a pleasure to be under your care. If there is anyone ever in need of tax services in my type of situation please allow me to refer them to you.

Valued Customer様

Masuda-san was always well-informed, quick to respond, and extremely helpful to ensure I received all of my refunds after leaving Japan.

Valued Customer様

Thank you for the timely support and excellent service especially since I had to leave Japan in a short notice and due to Japanese language for official communication. Would also be happy to refer you to my colleagues in Japan if they need tax related consultation.

Valued Customer様

Greatly satisfied.

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