
Business Tax Services
Hock Tax Services provides expert U.S. tax advisory for both international businesses expanding into the U.S. and American business owners operating abroad. Whether navigating inbound or outbound tax challenges, our boutique team delivers tailored structuring, compliance, and strategic planning solutions to keep your cross-border business efficient, compliant, and positioned for global growth.
Inbound U.S. Tax Advisory

We specialize in helping international businesses confidently navigate U.S. tax requirements—whether expanding into the U.S. market or optimizing established operations. Our team delivers expert guidance across sales tax, compliance, registrations, corporate returns, and strategic cross-border tax planning, ensuring your company achieves full compliance and sustainable growth in the U.S.
U.S. Market Entry & Entity Structuring
Considering a U.S. expansion but haven’t established a presence yet? Our advisory team guides you through the complexities of entering the U.S. market, helping assess your goals and recommending the ideal business structure—whether branch, LLC, corporation, or subsidiary—to maximize tax efficiency, compliance, and long-term success from day one.
State & Federal Tax Registration
Safeguard your entry into the U.S. by securing all necessary registrations. We guide clients through federal EIN applications, state corporate income tax accounts, and maintain ongoing compliance with reporting deadlines, giving your business a seamless start.
Sales Tax Nexus Analysis & Compliance
Determine where state sales tax obligations arise for your international business. We analyze both economic and physical nexus, advise on marketplace facilitator rules, handle state registration, and ensure multi-state filing compliane- so your company never misses a requirement.
Treaty-Protected Corporate Tax Return
Maximize treaty benefits and avoid double taxation under U.S. Tax Treaties with your home nation. Our experts prepare protective returns, treaty-based disclosure statements, and audit-ready support documents for companies without a U.S. permanent establishment
Additional Cross-Border Tax Services
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Payroll & Employment Tax Guidance: Navigate U.S. hiring, payroll, and employment tax matters with tailored support for foreign employers.
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Transfer Pricing Advisory: Strategic assistance in structuring intercompany transactions for compliance and efficiency.
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Withholding Tax Compliance: Ensure proper U.S. withholding on cross-border payments, royalties, and dividends.
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VAT Coordination: Optimize indirect tax positioning with comprehensive cross-border VAT and U.S. sales tax solutions.
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IRS & State Audit Representation: Trust us to represent your interests and resolve complex issues in dialogue with U.S. tax authorities.
Voluntary Disclosure Agreements (VDAs)
Rectify unregistered sales or past filing errors with reduced penalties and limited back-tax exposure. We negotiate directly with state tax authorities, bringing foreign businesses swiftly into compliance and minimizing risk.
ITIN & EIN Application Support
Non-U.S. owners, employees, or contractors with U.S. tax requirements? We serve as Certifying Acceptance Agents so ITIN applications can be certified securely—no need to mail passports. We also manage EIN applications for foreign entities expanding stateside.
Outbound U.S. Tax Advisory
We support U.S. business owners residing abroad by providing expert outbound tax advisory tailored to the unique needs of expats. Our team helps American entrepreneurs optimize their business structure, navigate complex compliance and reporting requirements, and develop tax-efficient strategies—whether operating through a U.S. corporation, LLC, or international entity. Rely on our boutique expertise to keep your business compliant, efficient, and ready to thrive on the global stage.
U.S. Business Structuring for Expats
Planning to operate a U.S.-based business while living abroad? Our team provides tailored guidance on the best entity structure—whether maintaining a corporation, forming an LLC, or pursuing an offshore alternative—to align with your international residency, optimize tax efficiency, and ensure ease of compliance across U.S. and foreign jurisdictions.
Repatriation of Assets to the U.S.
Successfully bring profits or assets from your foreign business back to the United States with confidence. We provide comprehensive guidance on repatriation strategies, helping you structure transfers to minimize U.S. tax, leverage treaty benefits, and meet all IRS reporting requirements—ensuring efficient and compliant movement of global assets into your U.S. holdings.
Ongoing Support for International Operations
From structuring advice to annual filings and IRS correspondence, enjoy continuous, expert support that keeps your American business protected and positioned for global growth—wherever your journey takes you.
Integrated Solutions for U.S. Expats with Global Businesses
Benefit from seamless, all-in-one support designed for American business owners living abroad. Our package solutions coordinate your U.S. business tax compliance with comprehensive expat tax services—ensuring your global operations, personal filings, and cross-border strategies are fully aligned for maximum efficiency, reduced risk, and optimal after-tax results.
Peace of Mind, Built In:
Audit and Notice Support at No Additional Cost

In partnership with Protection Plus, every client receives full audit defense and notice assistance—so you’re never alone when it matters most.