U.S. Accounting and Tax Services for personalized support
Accounting and tax services provided by US CPA with over 20 years of experience. Utilizing the knowledge and experience cultivated at a major accounting firm, we will face your figures with sincerity.
For those who have such troubles
Those who have trouble preparing and filing tax returns based on complex tax laws and regulations
Those who have difficulty managing income and expenses, organizing accounting records and bookkeeping procedures
Those who need advice on suitable tax saving strategies and how to optimize their taxes
Those who need international tax knowledge and advice on non-U.S. income
Confused about employee payroll and employment tax procedures and legal requirements
Those who need support in resolving disputes with tax authorities and tax troubles
Provided Service
U.S. individual income tax return
We support all those who need to submit US individual income tax returns, including US citizens, US permanent residents, US VISA holders (all VISAs are available), US real estate investors residing in Japan, etc.
US corporate tax return
Form 1120-S U.S. corporate tax returns are prepared to assist small business owners. Find the best tax savings while complying with strict regulations
Company formation
Incorporating a company in the United States and starting your own business has many advantages. We provide company formation services and help you realize your dreams.
Accounting
Are you having trouble with accounting and preparing financial statements? We provide accounting services and prepare regular financial statements (balance sheet, profit and loss statement, cash flow statement).
HR/Payroll
Human resource management and payroll accounting in an organization are cumbersome tasks, but they play an important role. We provide personnel and payroll services to support smooth organization operations and accurate payroll management.
Smart Money Coaching
Personalized support to help you achieve your ideal way of working and financial freedom through entrepreneurship, tax savings, and investing. From building a small-scale business to leveraging the U.S. tax system for tax savings, and combining coaching with wealth-building strategies, we provide practical, tailored approaches that align with your values and lifestyle.
Please note: We do not sell or promote any specific financial or investment products.
About fees
Consultation Fee: $250 (up to 1 hour)
We offer consultations for $250 for up to one hour.
During this time, our experienced CPA will provide clear and practical advice on topics such as tax and accounting matters, questions regarding business formation, payroll issues, or U.S. tax and business-related inquiries.
Small Business Package – Comprehensive Accounting & Tax Support
Starting at $350 per month
Our firm provides the “Small Business Package,” offering end-to-end support from bookkeeping to year-end corporate tax return preparation, primarily for small business owners in service-based industries.
- Base Fee (from $350/month)
This rate applies as a guideline for service businesses without payroll processing. - Factors Affecting Pricing
Monthly fees may vary depending on sales volume, number of transactions, bookkeeping workload, and whether payroll services are required. - Cases Not Covered
Companies with overseas subsidiaries or manufacturing businesses involving complex accounting processes may require separate arrangements.
※ Preparation of the year-end corporate tax return requires a minimum contract of six months.
※ For a detailed quote, please contact us.
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 385 Irvine, CA 92620-3643 U.S.A.
Telephone number: +1-949-281-1219
E-mail: info@hkstanfield.com
Opening hours: Weekdays: 9:00-17:00