U.S. Accounting and Tax Services for Personalized Support
With more than 20 years of experience, a U.S. CPA brings the knowledge and expertise gained at major accounting firms to provide accounting and tax services tailored to each client’s individual circumstances.
For those who have such troubles
Need Help with U.S. Individual Income Tax Returns
Need Help with Business Tax Returns or Business Tax Matters
Seeking Advice on Relocating to Japan or U.S.–Japan Cross-Border Tax Matters
Seeking Advice on Retirement and Tax Matters Related to Your Assets
Seeking Guidance on Starting a Business, Tax Planning, and Building Your Financial Plan
Need Support with Accounting, Payroll, or Business Formation
Provided Service
U.S. Individual Income Tax Return Preparation
We provide U.S. individual income tax return preparation services for clients in a wide range of circumstances, including U.S. citizens, green card holders, visa holders, and non-U.S. residents with U.S. real estate or other U.S.-source income. We assist clients living both in the United States and abroad with their U.S. tax filing obligations.
U.S. Business Tax Return Preparation
We provide U.S. business tax return preparation services for small business owners, including Form 1120-S and Form 1120. We provide tax filing and related support tailored to each client’s business circumstances.
Tax Consultation
We provide personalized tax consultation services tailored to each client’s individual circumstances, including relocation to Japan, U.S. green card abandonment, U.S.–Japan cross-border tax matters, retirement and pension issues, and the sale or withdrawal of U.S. assets. When appropriate, we review relevant documents in advance and discuss key tax considerations, potential issues, and necessary next steps during an online consultation.
Smart Money Coaching
Personalized coaching designed to help you build a work and financial life that reflects your goals through entrepreneurship, tax planning, and long-term wealth building. We help you develop practical strategies tailored to your values and lifestyle while making informed use of U.S. tax rules and financial knowledge.
We do not sell, recommend, or broker specific financial or investment products.
Accounting & Payroll Support
We provide ongoing accounting support, including bookkeeping, financial statement preparation, and payroll services, for clients who engage us to prepare their business tax returns. These services are designed to support accurate and efficient business tax return preparation and, as a general rule, are provided in conjunction with our business tax return preparation services.
Business Formation
We provide business formation support for individuals and entrepreneurs starting a business in the United States. Based on your business activities and future plans, we guide you through the formation process and the related tax requirements needed to get your business properly established.
About fees
Our fees vary depending on the type of service and the scope of work.
Tax Return Preparation
Fees are based on the type and complexity of the tax return. We will provide either our standard fee or a customized quote, depending on the circumstances.
Tax & Individual Consultation
Fees are determined after reviewing the nature of your consultation, the amount of documentation requiring advance review, the research and analysis needed, the online meeting, and the overall scope of work.
Small Business Package — Comprehensive Accounting & Tax Support
Starting at $400 per month
We offer a Small Business Package primarily for small service-based businesses, providing ongoing support from bookkeeping through business tax return preparation.
- Basic Fee: Starting at $400 per month
This starting rate generally applies to service-based businesses without payroll processing. - Factors Affecting Fees
Fees may vary based on factors such as business size, transaction volume, bookkeeping workload, and whether payroll processing is required. - Businesses Requiring a Separate Quote
Businesses with foreign subsidiaries, manufacturing businesses, or other businesses involving complex accounting requirements may require a separate evaluation and quote.
※Business tax return preparation requires a service agreement of at least six months.
※Accounting and payroll services are generally not offered as stand-alone services.
※Please contact us for a detailed quote.
How to use
Consultation application (inquiry form)
Please contact us using the inquiry form first.
Hearing (online meeting / telephone)
We will conduct a hearing at an online meeting or by telephone.
Our services are basically online, but it is also possible to meet and talk with people who live nearby.
Greetings from the representative
Welcome to our accounting firm.
Hello, I’m Hiromi Stanfield, the founder of Hiromi K. Stanfield, CPA Inc. Thank you for visiting our website.
I am a U.S. Certified Public Accountant with a Master’s degree in Taxation (MST) and over 20 years of experience in U.S.–Japan cross-border tax and accounting.
Drawing on my background in tax and audit at KPMG (formerly Arthur Andersen), as well as hands-on experience in the insurance, legal, and manufacturing sectors, I provide practical and effective support for international tax matters and small to mid-sized businesses.
Our firm values trust and strives to deliver prompt and accurate services. We also place the highest priority on protecting client confidentiality, ensuring a secure and reliable environment for your financial matters.
Together with our clients, we look beyond the numbers to help build a solid foundation for their future success.
Hiromi Stanfield
Hiromi K. Stanfield, CPA Inc.
Company profile
Hiromi K. Stanfield, CPA Inc.
Mailing address:
14271 Jeffrey Rd PMB 385, Irvine, CA 92620-3405 U.S.A.
Telephone number: +1-949-281-1219
E-mail: info@hkstanfield.com
Opening hours: Weekdays: 9:00-17:00