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European entrepreneurs can plan for U.S. customers, investors or operations without treating a Delaware LLC as the automatic first step. Start by deciding whether you need a U.S. entity, a local registration for your existing company, or simply a way to sell across borders. Then map where the business will operate, how its owners and entities will be classified for tax, and which filings follow in both the United States and your home country.
What U.S. infrastructure does your business actually need?
“U.S. presence” can mean several different things: a legal entity, a registration that lets a foreign company operate locally, a U.S. address for official notices, or access to customers and payment services. These are not interchangeable. Incorporation alone does not establish that you have a staffed U.S. office, meet a provider’s banking requirements, or have resolved your home-country tax treatment.
The U.S. Department of Commerce’s 2021 SelectUSA investor guide describes representative offices, branches and subsidiaries as distinct approaches, and stresses that the right choice depends on the business. Use it for structural context, not as authority for current tax rates or a decision tailored to your country.
- Cross-border sales: If your aim is to sell to U.S. customers, first determine whether your existing company can serve them without creating a U.S. entity. The answer depends on your business and its U.S. activities.
- Local operations: If you will have employees, inventory, premises or regular in-person activity in the U.S., identify the states involved before choosing a formation state.
- Fundraising or contracting: Check what a particular investor, customer or platform actually requires. A U.S. entity may be useful for a specific requirement, but the label “U.S. company” does not by itself satisfy every counterparty.
Before forming anything, write down who will own the U.S. activity, where people and assets will be located, where decisions will be made, and what counterparties require. Those facts drive the legal, state-registration and tax questions that follow.
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Which structure fits the ownership and operating plan?
A U.S. LLC is a state-law legal entity; its federal tax classification is a separate question. IRS guidance says a single-member LLC is generally disregarded as separate from its owner for federal income-tax purposes by default, while a multi-member LLC is generally treated as a partnership unless it elects corporate treatment. The entity name alone therefore does not tell you which returns or reporting rules apply.
| Approach | Who conducts the U.S. activity? | Key planning question |
|---|---|---|
| Continue through the European company | The existing foreign company sells or otherwise acts across borders. | Do the company’s actual U.S. activities trigger registration, tax or other obligations? Those depend on facts and relevant jurisdictions. |
| Branch | The foreign company itself conducts business in the U.S.; a branch is not a separate U.S. subsidiary. | What U.S. trade-or-business, income-tax, withholding and state-level consequences apply to the foreign company? |
| U.S. subsidiary | A separate U.S. entity, such as a corporation or LLC, is owned by the European company or other owners. | Which owners, tax classification, elections and information returns apply, and how will the subsidiary interact with its parent? |
The table describes broad structural differences, not a tax comparison or recommendation. The SelectUSA guide’s discussion of branches and subsidiaries dates to 2021; its historical tax figures should not be treated as current rates. Ask a qualified cross-border adviser to assess current rules and any treaty eligibility against your facts.
Compare the alternatives against the same practical questions:
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- Will the owners be individuals, the European operating company, or a U.S. subsidiary of that company?
- Which party will sign contracts, employ people, hold inventory and bear direct legal exposure?
- What U.S. investor or customer requirement is the structure intended to meet?
- What federal tax classification and information returns result from the ownership and elections?
- How will the founders’ country and the parent company treat the structure?
- Where will staff, customers, inventory and management decisions actually be located?
Where should you form, and where must you register?
Choose a state based on the planned activity and the requirements of the people you need to serve—not on a generic “best state” ranking. The U.S. Small Business Administration (SBA) says businesses may need to register in states where they conduct business. Its examples of activity that can matter include physical presence, frequent in-person client meetings, a significant share of revenue and employees in a state.
Forming in one state does not necessarily satisfy registration requirements elsewhere. A company operating in several states may need to form in one and foreign-qualify in others. The SBA says qualified businesses typically face taxes and annual-report fees in both the formation state and qualification states. Exact triggers, filings and fees vary; check the relevant state authority for each state where the business operates.
What Delaware does—and does not—provide
Delaware is one possible formation state, not a substitute for checking where the business will actually operate. Delaware requires a registered agent with a physical street address in the state and availability during normal business hours. Its Division of Corporations’ guidance, reviewed October 3, 2026, says Delaware corporations file annual reports and pay franchise tax, with reports and tax due March 1. The published corporation franchise-tax range is $175 minimum to $200,000 maximum. Delaware LLCs, limited partnerships and general partnerships do not file an annual report there, but pay an annual tax of $300. Confirm the current filing rules and amounts with the state before acting; these details can change.
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Delaware’s Division of Revenue says corporations pay income tax on income allocated and apportioned to Delaware. The state has no state or local sales tax, but does impose gross-receipts tax and business-license requirements. “No sales tax” should not be read as “no state taxes” or as an exemption from obligations in other states.
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What does a registered agent do?
A registered agent receives official papers and legal documents for a business in the state where it is registered. Delaware’s requirement is a physical in-state street address and availability during normal business hours. A commercial agent can provide that in-state recipient when the founder lives abroad, but the role is narrow: an agent is not automatically a staffed office, general business mailing service, bank, immigration authorization or legal adviser.
When do you need an EIN?
An Employer Identification Number (EIN) is a federal business tax identifier. The SBA states, “It’s free to apply for an EIN.” It lists federal tax, hiring, opening a bank account and licensing among common reasons a business may need one. The EIN is distinct from a state registration or a registered-agent address.
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The IRS says a single-member LLC treated as disregarded for federal income-tax purposes may not need its own EIN for that reporting if it has no employees and no excise-tax liability. It can apply for one if needed to open a bank account or if state law requires it. LLCs with employees or specified excise-tax obligations do need an EIN. Check the IRS’s current requirements for the exact entity and activity; do not confuse a third party’s fee for assistance with the government application fee.
Why U.S. tax and information reporting need early attention
Foreign ownership or management from Europe does not, by itself, settle whether a business has U.S. tax filing obligations. The IRS says a foreign corporation may have to file Form 1120-F if it is engaged in a U.S. trade or business with effectively connected income (ECI). The IRS also cautions that determining whether a U.S. trade or business exists is fact-dependent and not straightforward. U.S. employees and U.S. branch operations can create exposure; U.S.-source income connected with such a business is generally ECI. Treaty claims may affect tax, but can carry disclosure requirements.
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A separate reporting issue can apply when a U.S. disregarded entity is foreign-owned. Under the IRS instructions, when the rule applies, the entity files a pro forma Form 1120 with Form 5472 attached. The entity does not thereby acquire an income-tax-return filing requirement as such; this is a technical information-reporting requirement, and whether it applies depends on the facts and current instructions.
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Do not assume that an LLC is automatically simpler, that a subsidiary eliminates parent-company questions, or that tax is due only where the founder lives. The 2021 SelectUSA guide discusses possible U.S. taxation, withholding and state-level exposure for different structures, but its historic rates are not current-rate guidance. Have an adviser assess U.S. rules, treaty eligibility and home-country treatment before choosing an entity or starting operations.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What is the current U.S. beneficial ownership reporting position?
As of October 3, 2026, FinCEN’s current beneficial ownership information (BOI) page says that U.S. companies are exempt from BOI reporting under its interim final rule. It describes the reporting-company definition as covering entities formed under foreign-country law and registered to do business in a U.S. state or Tribal jurisdiction. This is a changeable compliance area: check FinCEN’s current page and the rule in effect before relying on this status. Older blanket advice that every newly formed U.S. LLC must file a BOI report may not reflect the current position.
Can a European founder get a U.S. business bank account remotely?
Company formation and an EIN do not guarantee a bank account. Requirements and geographic eligibility depend on the bank or financial technology provider, and the relevant official sources do not establish which providers accept founders resident in each European country, whether an in-person visit is required, or what identity, address and ownership documents a provider will demand. Confirm current country eligibility and onboarding requirements directly with the provider before forming an entity solely to obtain an account.
Quick Recap
A practical sequence before you file
- Define the objective. Write down whether you need a local entity, registration for the European company, or only cross-border selling—and the specific customer, investor or service requirement behind it.
- Map actual activity. List where staff, inventory, offices, in-person client work and management decisions will be. Identify every U.S. state that may be relevant.
- Choose an ownership and operating structure. Compare continuing through the foreign company, operating a branch, and forming a separate U.S. subsidiary. Determine how an LLC would be classified for federal tax if you are considering one.
- Check state obligations. Verify formation and foreign-qualification requirements, agent rules, annual filings, taxes and fees with the appropriate state authorities.
- Review U.S. and home-country tax reporting. Have a qualified cross-border tax adviser assess potential federal and state obligations, information returns, treaty issues and the treatment in the founder’s country.
- Confirm operational access. Ask intended banks, payment providers and counterparties about current eligibility and documentation before treating formation or an EIN as a solution.
- Calendar ongoing duties. Record tax, information-reporting, annual-report, franchise-tax and license deadlines that apply to the chosen entity and jurisdictions; recheck volatile requirements against current official guidance.
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