Key Considerations for Europeans Starting a Business in the U.S.

By Christine Alexis Concepción, International Tax Attorney

Expanding into the U.S. market can be one of the most exciting and complex moves for European entrepreneurs. The opportunity is significant, but so are the legal, tax, immigration, and operational considerations. Below are the key areas every European founder should evaluate before launching a business in the United States.

1. Choosing the Right Business Structure

One of the first decisions is selecting the appropriate legal entity under applicable U.S. state law. Common options include:

• LLC (Limited Liability Company) – Often attractive for closely held businesses because it offers flexibility in governance and ownership arrangements.

• C-Corporation – Frequently preferred for businesses seeking institutional investment, venture capital, or rapid growth.

• Branch or Subsidiary of a Foreign Company – Often considered by established European businesses expanding into the U.S. market.

This entity-selection analysis, however, is only one component of the broader cross-border structuring exercise. Choosing an LLC, corporation, or subsidiary is primarily a matter of state corporate law. It determines the legal form of the business, its governance framework, and the liability protections available to owners or shareholders. That analysis is distinct from the entity’s classification for U.S. federal tax purposes, which raises a separate set of considerations and may require additional elections and planning.

For cross-border investors, this distinction is particularly important. The entity formed under state law does not, by itself, answer how the business will be treated for U.S. federal income or estate tax purposes. In many cases, the optimal legal structure from a corporate-law perspective is not necessarily the most efficient structure from a federal tax perspective. The tax classification of the entity may affect how income is recognized, whether the business is treated as fiscally transparent or opaque, the availability of treaty benefits, and the interaction between U.S. tax rules and the investor’s home-country tax regime.

Estate tax planning should also be part of that analysis from the outset. For non-U.S. persons, forming or holding a U.S. business interest without further planning can create unintended U.S. estate tax exposure, particularly where the ownership structure causes the interest to be treated as U.S.-situs property. In that context, assets exceeding $60,000 may be exposed to U.S. estate tax at rates of up to 40 percent, making entity formation alone an incomplete solution.

As a result, entity formation should not be viewed as the end of the structuring analysis, but rather as the beginning of a broader planning process that integrates state-law corporate considerations with U.S. federal income tax and estate tax objectives. Many European founders underestimate this distinction and assume that selecting a legal entity completes the structuring process. In practice, sound cross-border planning requires a coordinated analysis of corporate formation, tax classification, and transfer-tax exposure to avoid unintended inefficiencies, mismatches, or compliance burdens.

2. Taxation Differences Between Europe and the U.S.

Tax planning is one of the most important and most frequently underestimated aspects of entering the U.S. market. The U.S. tax regime differs significantly from most European systems in both structure and administration, and those differences can create material exposure if they are not addressed before operations begin.

At the outset, foreign investors must understand that the United States does not have a single unified tax system. A U.S. business may be subject to federal, state, and, in some jurisdictions, local tax. The overall tax burden is therefore not determined solely by federal law. Where the business is formed, where it operates, where employees are located, and where services are performed can all affect the company’s tax profile.

Tax treatment also depends heavily on how the business is classified for U.S. tax purposes. As discussed above, the legal entity formed under state law and the entity’s classification under U.S. federal tax law are related but distinct questions. That distinction is particularly important in the cross-border context because it can affect how income is taxed, how distributions are treated, whether the foreign owner has a direct U.S. filing obligation, and how the structure is viewed in the founder’s home jurisdiction.

Foreign investors must also consider whether their U.S. activities create direct U.S. tax exposure for the foreign parent or owner, rather than only for the U.S. operating entity. Depending on the structure and how the business is conducted, foreign persons may become subject to U.S. taxation on income treated as effectively connected with a U.S. trade or business. In some cases, a foreign corporation operating in the United States outside a properly structured subsidiary may also face branch-level tax consequences.

Another major point of divergence is indirect taxation. Many European founders are accustomed to VAT systems and assume that the United States operates under a comparable model. It does not. The United States generally relies on state-level sales and use tax regimes, which vary significantly by jurisdiction. There is no single national sales tax, and registration and collection obligations may arise on a state-by-state basis, particularly for e-commerce, software, digital services, and multistate businesses.

Cross-border founders must also evaluate the risk of double taxation. The same income may be taxed in the United States and again in the founder’s home country unless relief is available under domestic law, an applicable income tax treaty, or a foreign tax credit regime. Treaty protection can be highly valuable, but it is not automatic and often depends on the residence of the investor, the classification of the entity, and the character of the income involved.

Foreign-owned U.S. businesses may also face significant reporting and compliance obligations, including entity-level returns, international information reporting, withholding obligations, payroll compliance, and state registrations. Even where little or no tax is due, reporting failures can still trigger substantial penalties.

It is also important for foreign founders to understand that a CPA and a tax attorney do not serve the same function. A CPA is often essential for return preparation, accounting, and ongoing compliance—functions that are largely retrospective and focused on reporting completed transactions and historical financial activity. A tax attorney, by contrast, advises on legal structuring, treaty interpretation, entity design, and the legal consequences of cross-border transactions. That work is often prospective, but it may also involve reviewing prior actions to identify retroactive planning opportunities, corrective measures, or more defensible reporting positions. In the international context, many core issues—including treaty eligibility, classification mismatches, withholding exposure, and filing obligations—are legal as much as computational. For that reason, cross-border planning often requires coordination between a qualified CPA and an international tax attorney, rather than treating them as interchangeable advisors.

3. Immigration and Work Authorization

Immigration planning is a critical component of any U.S. market-entry strategy. A foreign founder generally cannot actively manage or work for a U.S. business while physically present in the United States without appropriate immigration authorization. As a result, the visa strategy should be evaluated at an early stage of the planning process, rather than treated as a secondary administrative issue.

Common visa pathways may include:

• E-1 Treaty Trader Visa – May be available where the business involves substantial trade principally between the United States and the treaty country of the founder. This category is often relevant to cross-border trading and distribution businesses.

• E-2 Treaty Investor Visa – Available to qualifying nationals of treaty countries and often used by entrepreneurs making a substantial investment in a U.S. business.

• L-1 Intracompany Transferee Visa – Frequently used where an existing foreign business is expanding into the United States and seeks to transfer qualifying executives, managers, or specialized knowledge employees.

• O-1 Visa – Available to individuals who can demonstrate extraordinary ability in their field.

• Lawful Permanent Residence (Green Card) Planning – Some founders begin with a temporary visa but later pursue permanent residence through a separate immigrant process, depending on the facts and the category available. Green Card processes and eligibility are distinct from nonimmigrant visa status and should be evaluated strategically from the outset. 

This analysis is particularly important because immigration choices can also affect tax planning. In some cases, a founder who intends to pursue lawful permanent residence should consider pre-immigration tax planning before applying for a Green Card, rather than after U.S. tax residency has already attached. Green Card status can materially change a person’s U.S. tax posture, including presumed exposure to U.S. estate and gift tax rules, so immigration strategy should be coordinated with cross-border tax planning from the outset. For nonresident noncitizens, the U.S. estate tax generally applies only to U.S.-situs assets, and for more than $60,000 of U.S.-situated assets at death, the estate tax is 40 percent. By contrast, a Green Card holder may be treated as a U.S. resident for estate tax purposes if they are domiciled in the United States, in which case U.S. estate tax can apply to worldwide assets. Notwithstanding, the exemption for U.S. domiciled individuals is $15 million (for 2026).

The central point is that visa planning should not be analyzed in isolation. For many foreign founders, immigration strategy, entity structuring, and pre-immigration tax planning must be evaluated together to avoid unintended legal, operational, and transfer-tax consequences.

4. Banking, Payments, and Financial Infrastructure

Banking and financial infrastructure are often overlooked in early-stage U.S. expansion, but they can quickly become operational obstacles if not addressed in advance. For non-U.S. founders, opening a U.S. business bank account is not always straightforward. Banks may impose additional diligence requirements on foreign owners, particularly where the business lacks an established U.S. operating history or the founders are not physically present in the United States.

In many cases, opening a U.S. business account will require, at a minimum, a U.S.-formed entity, an Employer Identification Number (EIN), and supporting organizational documents. Some banks may also require evidence of a U.S. business address, a registered agent, proof of operations, or in-person verification for certain owners or signatories. Requirements vary by institution, so founders should not assume that entity formation alone will be sufficient.

Founders should also plan early for the company’s broader financial infrastructure, including payment processors such as Stripe or PayPal, foreign exchange exposure, and the practical and legal issues associated with cross-border capital movement. Initial funding, intercompany transfers, and profit distributions should all be considered at the outset. In practice, banking and payments should be treated as part of the initial structuring analysis, not as a post-formation administrative task.

6. Compliance, Contracts, and Legal Risk

The United States is generally more litigious than most European jurisdictions, which makes a strong legal infrastructure especially important from the outset. Even minor drafting errors or informal business practices can create disproportionate exposure once the company begins operating.

Founders should ensure that core legal documents are properly prepared, including operating agreements or bylaws, employment agreements compliant with U.S. law, and appropriate protections for intellectual property, such as trademarks or patents. They should also assess applicable data privacy requirements, which may vary significantly by state and industry.

In practice, legal documentation should not be treated as a formality. Well-drafted contracts and compliance procedures are often critical to preventing disputes, limiting liability, and supporting long-term growth.

7. Hiring and Employment Law Differences

Employment law in the United States is often more flexible than in many European jurisdictions, but it is also far more fragmented. Although many U.S. employment relationships are governed by the doctrine of at-will employment, the applicable rules can vary significantly by state and, in some cases, by city or local ordinance.

European founders should not assume that the absence of a single national labor framework makes U.S. employment law simple. The United States generally does not provide the same uniform employee protections common in many EU jurisdictions, while benefits such as health insurance and retirement plans are often largely employer-driven. Businesses must also carefully manage worker classification, as misclassifying an individual as an independent contractor rather than an employee can create significant tax, wage, and liability exposure.

For that reason, hiring strategy should be designed with compliance in mind from the outset. Decisions regarding workforce structure, compensation, benefits, and contractor arrangements should be evaluated early to reduce legal risk and avoid costly corrections later.

8. Cultural and Market Expectations

Beyond the legal and financial analysis, cultural adaptation is also critical to a successful U.S. market entry. European founders often encounter a business environment shaped by faster decision-making cycles, greater emphasis on growth and performance metrics, a more investor-driven mindset, and sales and marketing expectations that may differ materially from those in their home markets. Just as importantly, many founders are surprised by the cost of operating in the U.S. legal environment, where legal fees, compliance costs, and dispute-related expenses are often significantly higher than in Europe. That reality can itself be a cultural shock and should be factored into early budgeting and planning. As a result, even well-established European brands frequently need to reposition their messaging, pricing, and go-to-market strategy for U.S. customers.

The most successful European founders do not approach U.S. expansion as a simple replication of their home-country model. They treat it as a broader strategic transition that may require meaningful adjustments to the business’s structure, operations, budgeting, and commercial strategy. For founders considering entry into the U.S. market—or already in the early stages of launch—experienced professional guidance can help reduce avoidable cost, delay, and legal risk.

For customized tax advice, contact Christine Alexis Concepción at caconcepcion@concepcionlaw.com.