U.S. Tax & Accounting for Japanese Businesses & Expatriates
Clear, attentive support in Japanese and English.
We assist with U.S. individual and corporate tax, gross-up payroll calculations, income tax provisions, bookkeeping, and financial closing.
Our Services
U.S. Individual Tax
Federal and state tax filings for Japanese expatriates, including arrival and departure years, Japanese income, and foreign account reporting.
Gross-Up & Payroll
Gross-up calculations to achieve agreed net pay, monthly payroll processing, and payroll tax filings.
U.S. Corporate Tax
Corporate tax returns, filing extensions, estimated payments, and related U.S. business tax matters.
Income Tax Provision
ASC 740 tax calculations and support for financial-close and parent-company reporting.
Bookkeeping & Closing
Day-to-day bookkeeping, bank and credit card reconciliations, and monthly and annual closing support.
Explore Our U.S. Tax & Accounting Q&A
Find answers to common questions about international assignments, payroll, corporate taxes, and financial reporting. Choose a topic to get started.
Individual Tax
Arrival- and departure-year filings, tax residency, Japanese income, and foreign financial accounts.
Payroll
Gross-up calculations, tax equalization, housing allowances, and the U.S.–Japan Social Security Agreement.
Corporate Tax
First-year filings, subsidiaries and branches, Form 5472, and other corporate tax matters.
Accounting & Financial Reporting
Income tax provisions, current and deferred taxes, and differences between accounting and tax reporting.
Meet the Founder
Kazuharu Hara | New York State Certified Public Accountant
Kazuharu Hara founded Threefold Hara CPA after approximately 15 years of tax experience at major accounting firms and Japanese accounting firms. He supports clients in Japanese and English, focusing on expatriate individual taxation, gross-up payroll calculations, corporate taxation, and income tax accounting.
View Background & Credentials →
Clear communication and a clearly defined scope.
We prioritize clear communication in both Japanese and English. We explain the issues, required documents, deadlines, and scope of our services so that you can understand what needs to be done and how to move forward.
Tell us about your inquiry.
Please describe the service you need, relevant tax years and states, and any deadlines. Do not include Social Security numbers, bank details, tax returns, or other confidential information in your initial email or attachments.
This website provides general information, not individual tax advice. An inquiry does not establish an accountant-client relationship or extend any filing, payment, or response deadline.