International tax CPA services for foreign businesses expanding to the U.S.

Navigating the U.S. tax system can be a complex challenge for any foreign business. At Expand CPA, we provide international tax CPA services tailored to the needs of global companies expanding to the United States. Whether you’re setting up a new U.S. subsidiary or managing an existing operation, our firm offers professional guidance on international taxation, cross-border compliance, and local tax law.

As a French-founded accounting and audit firm with a strong international focus, we help foreign companies—especially from France—manage their U.S. tax obligations efficiently and in full compliance with national and international regulations. Our services include strategic planning, corporate tax return preparation, foreign income reporting, and assistance with IRS filings, bank account disclosures, and transfer pricing.

We support businesses and individuals with U.S. and foreign financial interests, offering a complete range of accounting, advisory, and tax services. From minimizing double taxation risks through tax treaties to ensuring full compliance with foreign account tax laws, our experienced team provides solutions that align with your global operations and business goals.

Expand CPA is your trusted partner in international tax matters—offering clarity, reliability, and tailored expertise in every aspect of your U.S. expansion.

SERVICES

Our key services

Preparation and filing of U.S. and French corporate tax returns (liasse fiscale)

VAT and U.S. sales tax returns for cross-border operations

Tax compliance services for foreign and domestic business activities

Support with IRS and French tax audits, including social and financial inspections

Annual U.S. federal and state tax return preparation for foreign companies

Transfer pricing documentation and cross-border transaction analysis

Reporting and compliance for foreign bank accounts (FBAR & FATCA)

Strategic tax planning to optimize global income and minimize double taxation

Advisory on international tax treaties and withholding tax obligations

Why work with an international tax CPA?

Expanding your business into the U.S. comes with a complex web of laws, reporting obligations, and regulatory requirements. Working with an international tax CPA firm like Expand CPA ensures your operations stay fully compliant—while maximizing the efficiency of your globalstrategy.

Our team of certified public accountants and international tax professionals understands both U.S. and foreign tax systems. We help you navigate cross-border tax planning, manage transfer pricing requirements, and ensure proper reporting for foreign income, assets, and bank accounts. From annual tax return preparation to IRS compliance and international audit support, we provide the structure and reliability your company needs to operate confidently in the U.S.

Whether you’re filing U.S. sales tax returns, preparing a liasse fiscale, or disclosing foreign accounts, our expertise bridges the gap between national and international regulations. We don’t just provide tax services—we offer tailored advisory that protects your business and supports its long-term growth.

With Expand CPA, you’re not just hiring an accountant. You’re gaining a strategic partner in global compliance, tax law interpretation, and international business success.

Who are our international tax CPA services for?

Our international tax CPA services are specifically designed for foreign companies looking to launch or grow operations in the United States. Whether you’re a startup entering the U.S. market or a well-established firm expanding internationally, our team provides tailored support in all areas of tax compliance, accounting, and reporting.

We work closely with CEOs, CFOs, and international managers who need to navigate both local and foreign tax regulations. If your company needs to file corporate tax returns, handle foreign bank account disclosures, or comply with complex transfer pricing laws, our services are built for you.

U.S. – France tax treaty expertise

One of Expand CPA’s most valuable assets is our in-depth expertise in the U.S.–France tax treaty. This bilateral agreement plays a critical role in determining how your income is taxed, how to avoid double taxation, and how to claim applicable tax credits. Understanding and applying the treaty effectively requires a deep knowledge of both national laws and international taxation standards.

We help foreign businesses structure their operations in a way that benefits from treaty protections—optimizing income tax treatment, reducing withholding tax on cross-border payments, and aligning reporting obligations across jurisdictions. From corporate filings to individual tax implications for expatriates, our team ensures you fully leverage the advantages of the treaty.

Why choose Expand CPA as your U.S. tax partner?

Expand CPA combines the precision of a certified public accounting firm with the global perspective of an international tax advisory. Our multicultural team of French and U.S. tax professionals understands the challenges of cross-border business and brings hands-on experience to every client engagement.

We are more than just a service provider—we’re a strategic partner committed to delivering long-term value. Our integrated approach connects tax planning, accounting, compliance, and legal support to help your business grow with confidence. Whether you’re preparing your annual U.S. tax return, filing VAT and sales tax, or managing foreign account disclosures, our team provides responsive, reliable, and professional guidance at every stage.

With Expand CPA, you gain more than technical expertise. You gain a trusted ally in your international journey.

Frequently asked questions

What is international tax compliance?

International tax compliance refers to the legal obligation for foreign corporations and individuals to meet all tax reporting and payment requirements in the jurisdictions where they operate. For companies expanding into the U.S., this includes filing accurate tax returns, disclosing foreign financial interests, complying with IRS rules, and respecting bilateral agreements like tax treaties. An international tax CPA ensures your business remains fully compliant with both U.S. and foreign regulations.

How to minimize double taxation?

Double taxation occurs when the same income is taxed in more than one country. To avoid this, our international tax CPAs implement strategic tax planning and assist you in claiming the appropriate foreign tax credits. We also structure your operations to benefit from tax treaties and apply customized tax strategies tailored to your situation. Proper tax preparation plays a key role in reducing your global tax burden while staying fully compliant.

What are the tax rates for expats?

U.S. tax rates for expatriates depend on their residency status, income level, and applicable deductions or exclusions. At Expand CPA, we help individuals and companies manage expat tax obligations while ensuring compliance with foreign account tax compliance regulations such as FBAR and FATCA. Our team provides clear guidance on how U.S. and French tax rules interact for expats working or investing in the United States.

How to handle cross-border tax issues?

Cross-border tax issues often involve navigating multiple tax systems, understanding foreign tax law, and structuring foreign investments to avoid penalties or inefficiencies. Whether it’s transfer pricing, dual reporting, or withholding taxes, we help you manage international tax risks. Our international tax CPA firm provides tailored solutions to ensure your cross-border operations stay both compliant and tax-efficient.

How to prepare for international tax returns?

Preparing international tax returns requires detailed knowledge of both U.S. and foreign tax systems. Our team handles every step of the tax preparation process for foreign businesses and expat tax situations, including the reporting of foreign account tax compliance (FBAR, FATCA). We ensure all required forms are filed accurately and on time, minimizing risk and aligning your tax reporting with global operations.

Would you like to optimise your tax situation?

Expand CPA supports you in France and the United States to effectively manage your accounting and tax obligations. Take advantage of personalised advice to secure your activities and develop your business internationally. Contact us to schedule a meeting or ask questions about our services.