Why Register a Company in the United States?

No other market offers the sheer scale of commercial opportunity that the United States does. With a GDP exceeding $29 trillion and a population of over 335 million consumers with some of the highest per-capita spending power in the world, a US-registered entity gives a business direct, frictionless access to customers, marketplaces, and B2B buyers that would otherwise require a chain of intermediaries and cross-border payment friction. The US is also home to the largest and most liquid venture capital and private equity ecosystem on the planet, and many US and international investors will only invest in a Delaware C-Corporation as a matter of policy. Beyond fundraising, incorporation unlocks access to major payment processors, cloud infrastructure providers, US banking rails, and enterprise customers who often require vendors to be US-registered before they will sign a contract.

What makes the US genuinely different from almost every other country is that company registration is not a federal function at all — it is handled entirely at the state level. There is no “US company registry” equivalent to the UK’s Companies House. Instead, each of the 50 states (plus the District of Columbia) operates its own Secretary of State (or equivalent) business filing office, with its own statutes, fees, and processing timelines. A company can be legally formed in any state regardless of where its founders, employees, or customers are actually located — which is why founders frequently form their company in Delaware or Wyoming even if they will never set foot there, and then separately register as a “foreign entity” in any other state where they have a physical presence or employees. Layered on top of this state-level formation is one crucial federal requirement: every US company needs an Employer Identification Number (EIN) from the Internal Revenue Service, required to open a US bank account, hire staff, and file federal taxes.

Operating practically in the US brings both major conveniences and some real complexity. The US dollar remains the world’s primary reserve and trade currency, simplifying international invoicing and reducing currency risk. However, foreign founders should go in with clear eyes about two structural quirks. First, because regulation is fragmented across 50 states, a company operating in multiple states can face a genuinely complex compliance patchwork. Second, unlike almost every other developed economy, the US does not provide government-run universal healthcare for employees; health insurance is typically an employer-provided benefit rather than a state entitlement. The US is also a comparatively litigious business environment, and founders should factor liability protection and insurance into their planning from day one.

Choosing the Right Business Structure

Before filing anything with a state, foreign founders need to decide what kind of legal entity actually fits their goals. The right choice depends heavily on whether the company plans to raise venture capital, retain profits for reinvestment, distribute earnings to owners, or simply establish a lightweight local presence for an existing overseas business. Getting this decision right from the outset matters, because converting from one structure to another later adds legal cost, time, and complexity that most founders would rather avoid.

It’s also worth understanding upfront that not every structure available to US citizens is realistically available to foreign founders. The S-Corporation, in particular, carries ownership restrictions that exclude most non-resident founders — a distinction that trips up many first-time international entrepreneurs.

Limited Liability Company (LLC)

The LLC is the most flexible and popular structure for small businesses, solo founders, freelancers, and international entrepreneurs who want liability protection without the formality of a corporation. LLCs benefit from “pass-through” taxation by default, although a foreign-owned single-member LLC still has IRS reporting obligations (Form 5472) even if it owes no US tax. LLCs are quick and inexpensive to form, require minimal ongoing corporate formality, and are well suited to consulting businesses, e-commerce operations, holding companies, and services firms.

C-Corporation

The C-Corporation is the default structure for venture-backed startups, companies planning to raise institutional capital, and businesses that intend to issue stock options to employees. A C-Corp is a fully separate legal and tax entity from its owners, meaning it pays corporate income tax on its profits (a flat 21% federal rate, plus applicable state tax) and shareholders are taxed again on any dividends distributed — the so-called “double taxation” that C-Corps are known for. In exchange, a C-Corp offers unlimited numbers of foreign and domestic shareholders, multiple classes of stock, and the clean capitalization structure that venture capital firms typically require.

S-Corporation

An S-Corporation is a tax election, not a separate entity type, that allows a qualifying corporation to be taxed on a pass-through basis like an LLC, avoiding the double taxation of a standard C-Corp. Critically for readers of this guide, S-Corp status is generally not available to fully foreign-owned companies: under IRS rules, an S-Corp cannot have more than 100 shareholders, and all shareholders must be US citizens, US permanent residents, or certain qualifying trusts and estates — non-resident alien shareholders are explicitly disqualified. In practice, this means most non-resident founders should plan around an LLC or C-Corp rather than an S-Corp.

Branch / Representative Office

An existing overseas company can also operate in the US as a branch, or in some sectors, a representative/liaison office limited to non-revenue-generating activities. A branch is simpler to establish than a new subsidiary in some respects, but it also means the foreign parent company carries full, unlimited liability for the US branch’s obligations. Most foreign companies planning meaningful, ongoing US operations opt to incorporate a proper LLC or C-Corp subsidiary instead, precisely to ring-fence liability.

Comparison of Common Business Structures in the United States

Structure Common Purpose Pros Cons
LLC Small businesses, consultancies, holding companies, solo founders Pass-through taxation, low formality, flexible ownership, fast and cheap to form Less attractive to VC investors; foreign-owned LLCs face IRS reporting requirements
C-Corporation Venture-backed startups, companies planning to raise capital or issue stock options Preferred by VCs, unlimited shareholders, multiple stock classes, easy to scale Double taxation (corporate + dividend tax); more formalities
S-Corporation US-owned small businesses seeking pass-through taxation with a corporate structure Avoids double taxation while retaining a corporate form Not available to non-resident alien shareholders; capped at 100 shareholders
Branch/Representative Office Foreign companies testing the US market or running limited liaison activities Faster to set up in some respects; no new entity to capitalize Parent bears unlimited liability; limited activities; complex tax treatment

So how do you choose? For most foreign founders, the decision comes down to a handful of practical questions:

  • Do you plan to raise venture capital or take on institutional investors? A C-Corp — usually Delaware — is almost always the expected structure.
  • Do you want to avoid double taxation and keep things simple for a small, founder-owned business? An LLC is usually the better fit.
  • Will you be issuing employee stock options or equity incentives? C-Corps handle this far more cleanly than LLCs.
  • Are all beneficial owners non-US persons? This effectively rules out the S-Corp election.
  • Is this a genuinely new US operation, or an extension of an existing overseas business testing the water?
  • How exposed is the business to liability or litigation risk?

Choosing Your State of Incorporation: Delaware vs. Wyoming

Because company registration in the US happens at the state level, foreign founders face a decision that doesn’t exist in most other countries: which of the 50 states should actually be home to the company? You are not required to incorporate in the state where you live, work, or even plan to do business — you can form an LLC or corporation in any state and then register to do business (“foreign qualify”) in any other state where you have a physical presence or employees. In practice, two states dominate the conversation: Delaware and Wyoming. Each has built a distinct reputation and legal infrastructure that makes it the default choice for a particular kind of company.

Spotlight: Delaware

Delaware is, by a wide margin, the most popular state of incorporation for venture-backed startups, large public companies, and any business that expects to raise institutional capital. More than half of all US publicly traded companies and the vast majority of Fortune 500 firms are incorporated there, and it is the default expectation of most US venture capital firms when they invest. The reasons are structural rather than accidental: Delaware’s Court of Chancery is a specialized business court, staffed by judges with deep expertise in corporate law, which produces fast, predictable, and well-reasoned rulings on shareholder disputes and M&A litigation. This case law sits on top of the Delaware General Corporation Law (DGCL), widely regarded as the most flexible and well-developed corporate statute in the country.

All Delaware corporations and LLCs must maintain a registered agent in the state, and the Delaware Division of Corporations is known for efficient, business-friendly processing, including expedited same-day filing options. The trade-off is Delaware’s franchise tax: corporations owe an annual franchise tax with a minimum of $175 under the Authorized Shares method (or $400 under the Assumed Par Value Capital method), scaling upward for companies with larger authorized share counts or valuations, alongside a mandatory annual report.

Spotlight: Wyoming

Wyoming has carved out a very different niche: it is the go-to state for LLCs, small businesses, asset-protection-focused structures, and increasingly for crypto and DAO-related entities. Wyoming holds a genuine claim to corporate history here — it was the first US state to authorize the LLC as a legal structure, back in 1977, and it has continued to build LLC-friendly law ever since. Its appeal to international founders rests on a few concrete advantages: Wyoming charges no state corporate income tax and no state personal income tax, keeping the ongoing cost of ownership low; its annual report “license tax” is modest, currently $60 per year for most small companies; and it offers some of the strongest charging-order protection and LLC privacy laws in the country, since beneficial owners generally do not need to be listed on the public Articles of Organization. There are no residency or citizenship requirements to form a Wyoming LLC, and formation and ongoing compliance are both simple and inexpensive relative to most other states.

So which should you choose? As a rule of thumb, if you’re building a startup that intends to raise venture capital, issue employee equity, or eventually go public, Delaware’s C-Corp ecosystem is the well-worn path that investors and lawyers already expect. If you’re running a smaller, founder-funded business, an e-commerce operation, a consultancy, a holding company, or a venture where privacy, low fees, and administrative simplicity matter more than fundraising optics, Wyoming’s LLC regime is usually the more cost-effective and practical choice. Many founders also simply start in Wyoming for cost reasons and convert to Delaware later if and when institutional fundraising becomes a real prospect.

United States Legal and Regulatory Requirements for Companies

Once a business structure and state are chosen, a US company must satisfy a layered set of registration and compliance obligations that span both the state that formed it and the federal government. Because there is no single federal company registry, founders need to think of US compliance as two parallel tracks running simultaneously: state-level corporate housekeeping, and federal tax and regulatory registration.

Key Business Regulations in the United States

At a minimum, every properly formed US company needs to complete a core set of registrations before it can legally operate, hire, invoice, or bank in the country. These typically include:

  • Employer Identification Number (EIN): obtained free of charge from the IRS via Form SS-4; required to open a US bank account, hire employees, and file any federal tax return
  • State formation filing: Articles of Organization (LLC) or Articles/Certificate of Incorporation (corporation) filed with the Secretary of State of the chosen formation state
  • Registered agent appointment: a registered agent with a physical address in the state of formation
  • Business licenses and permits: depending on industry and location, additional city, county, or state licenses may be required
  • Sales tax permit (where applicable): businesses selling taxable goods or services must register for a sales tax permit in any state where they have “nexus,” since the US has no federal VAT or sales tax

Beyond initial registration, US companies operate under a genuinely layered tax system. Federal corporate tax is charged at a flat 21% rate on C-Corporation profits, alongside federal payroll tax obligations for any employer with staff. States then apply their own additional taxes on top of the federal baseline — corporate income tax rates, franchise taxes, and sales taxes vary enormously by state, from states like Wyoming, Nevada, and South Dakota that charge no state corporate income tax at all, to states like California and New Jersey with rates exceeding 8-9%.

Tips for Staying Compliant with US Laws

  • File your state’s annual report and pay any franchise or license tax on time — most states will administratively dissolve a company that misses these deadlines
  • Keep your registered agent service active and your contact details current, since missed legal notices can result in default judgments
  • Track economic nexus thresholds in every state where you have customers, not just where you’re incorporated
  • Separate personal and business finances completely, especially for LLCs, to preserve the liability shield the entity structure is meant to provide
  • Work with a US-qualified accountant or tax advisor from day one — federal and state filing requirements for foreign-owned entities carry steep penalties for late or missed filings

Step-by-Step Process to Set Up a Company in the United States

Setting up a US company as a foreign founder is a genuinely achievable, largely remote process, but it does involve a specific sequence of steps that differ meaningfully from single-registry systems used elsewhere. Skipping or rushing any one of these steps tends to cause downstream friction, particularly around banking and tax compliance.

Below is the typical path a foreign founder follows from decision to fully operational US entity.

1

Choose Your Business Structure

Decide between an LLC, C-Corporation, or another structure, based on fundraising plans, tax treatment, and liability needs.

2

Select Your State of Incorporation

Weigh Delaware’s investor-friendly legal infrastructure against Wyoming’s low-cost, high-privacy LLC regime, and confirm whether you’ll also need to foreign qualify in additional states.

3

Appoint a Registered Agent

Every state requires a registered agent with a physical address in that state; most formation services bundle this in.

4

File Your Formation Documents

Submit Articles of Organization or Certificate of Incorporation to the relevant Secretary of State, along with the associated filing fee.

5

Draft Your Governing Documents

Prepare an LLC Operating Agreement or corporate bylaws, plus any shareholder or membership agreements.

6

Obtain Your EIN from the IRS

Apply via Form SS-4; foreign responsible parties without a US SSN or ITIN can still apply, though processing outside the instant online system can take one to several weeks.

7

Obtain a US Business Bank Account

Most banks require the EIN, formation documents, and identification for beneficial owners.

8

Register for State and Local Taxes and Licenses

Depending on your activities and location, register for state sales tax, obtain any required business licenses, and confirm your state and local tax obligations.

Hiring and Managing Employees

Employment in the United States operates under a fundamentally different default relationship than in most other countries: at-will employment. Under this doctrine, which applies in nearly every state except Montana, either the employer or the employee can end the working relationship at any time, for almost any reason, without notice — a sharp contrast to the notice periods and severance formulas common in much of the world. That said, at-will employment is not unlimited: employers still cannot terminate someone for a legally protected reason, such as discrimination based on race, sex, age, disability, or religion.

Federal wage and hour standards are set by the Fair Labor Standards Act (FLSA), which establishes a federal minimum wage of $7.25 per hour, along with overtime pay requirements and basic recordkeeping and child labor rules. Critically, the federal minimum wage is a floor, not a ceiling: a majority of states, along with many cities, set their own higher minimum wages, meaning actual pay compliance depends heavily on exactly where an employee is physically located.

Beyond wages, employers take on a defined set of mandatory obligations the moment they hire their first US employee. These include withholding and remitting federal and state payroll taxes, carrying workers’ compensation insurance in virtually every state, and completing Form I-9 employment eligibility verification for every new hire. One of the most significant differences from most other countries is that health insurance is not a government-provided entitlement in the US — health insurance is fundamentally an employer-sponsored benefit rather than a state-run system, and it is one of the most consequential and expensive line items in any US hiring budget.

For companies not yet ready to establish a full US entity — or those looking to hire across multiple states without registering separately in each one — a PEO (Professional Employer Organization) or Employer of Record (EOR) solution is often the more practical starting point. A PEO enters a co-employment relationship that still requires the client company to have a US entity, while an EOR can legally employ staff on a company’s behalf with no US entity required at all, letting a foreign company test the US market and hire quickly.

Tips for Recruiting and Retaining Talent

  • Benchmark compensation locally — pay expectations and cost of living vary enormously between, say, San Francisco and rural Ohio, and national averages can be misleading
  • Offer competitive health insurance and retirement (401(k)) benefits, since these aren’t government-provided
  • Be explicit about at-will employment terms in offer letters and handbooks to avoid ambiguity or disputes down the line
  • Build a clear, documented onboarding process, including I-9 verification, to avoid compliance gaps from day one
  • Consider remote and multi-state hiring carefully — each new state where you place an employee can trigger new tax registration and compliance obligations

Financial Management and Reporting

US financial reporting is governed by Generally Accepted Accounting Principles (GAAP), the standardized framework used for financial statements, tax reporting, and audited accounts. While small, privately held companies have some flexibility in how rigorously they apply GAAP day to day, any company planning to raise institutional capital, seek a bank loan, or eventually go public should build GAAP-compliant bookkeeping into its financial operations from the outset.

On the compliance side, US companies face filing obligations at both the federal and state level, and foreign-owned entities face some additional ones. At the federal level, this includes annual corporate income tax returns, plus specific disclosure forms for foreign ownership such as Form 5472, which carries a steep penalty for late or missed filing. At the state level, most states require an annual report and franchise or license tax payment simply to keep the entity in good standing.

Payroll adds a further layer of complexity for any company with employees in more than one state, since each state can have its own income tax withholding rules, unemployment insurance rates, and reporting requirements, on top of the federal FICA and FUTA obligations that apply everywhere. A company with a distributed remote team across, say, five states may effectively be running five separate sets of state payroll compliance in parallel — a major reason many international companies choose to outsource payroll rather than run it in-house from day one.

Common Pitfalls to Avoid

  • Assuming one state’s tax and payroll rules apply everywhere your employees are based — they don’t
  • Missing the Form 5472 filing deadline for foreign-owned entities, which carries an immediate, substantial penalty
  • Commingling personal and business funds, which can pierce the liability protection an LLC or corporation is meant to provide
  • Underestimating state franchise tax and annual report obligations, which can lead to administrative dissolution if ignored
  • Delaying proper bookkeeping until tax season, making year-end filings far more expensive and error-prone than they need to be

Tips for Operating Successfully in the United States

Success in the US market often comes down to treating it less like one country and more like fifty distinct regulatory environments layered under a shared federal framework. Founders who invest early in understanding exactly where their tax, employment, and licensing obligations arise tend to avoid the costly compliance surprises that catch newcomers off guard.

It’s equally important to build relationships with US-based professional advisors early: a tax accountant familiar with foreign ownership reporting, an employment attorney who understands state-specific variations, and a registered agent or formation service that responds quickly are all worth the investment. Because the US market rewards speed and scale, companies that get their compliance foundation right early are typically the ones able to move fastest once traction arrives.

Finally, don’t underestimate the practical value of US banking and payment infrastructure once your entity is properly formed — a US bank account, US-based payment processing, and a recognizable US business address materially improve credibility with American customers, vendors, and partners.

Common Mistakes to Avoid

  1. Incorporating in a state without understanding whether it fits their fundraising, tax, or privacy goals
  2. Assuming an S-Corp election is available for a fully foreign-owned company
  3. Treating the EIN application as an afterthought rather than an early, essential step
  4. Failing to register for sales tax or state income tax in states where the company has established nexus
  5. Ignoring state annual report and franchise tax deadlines, risking administrative dissolution
  6. Assuming health insurance and other benefits are government-provided, and budgeting hiring costs accordingly
  7. Hiring employees in new states without checking that state’s specific payroll, tax, and labor law requirements first
  8. Underestimating US litigation risk and failing to secure appropriate business insurance and liability protection

Why Now is the Right Time to Register a Company in the United States

The fundamentals that have long made the US an attractive place to incorporate remain firmly in place: a 21% flat federal corporate tax rate that has held steady since 2018, the world’s deepest capital markets, unmatched consumer purchasing power, and a legal and corporate infrastructure built specifically to support scaling businesses. For foreign founders in particular, the process of forming a US entity has also never been more accessible: online-first formation services, digital EIN applications, and an expanding ecosystem of banking and compliance partners have significantly lowered the practical barriers that once made US incorporation feel out of reach.

At the same time, the layered nature of US regulation means that getting the structural decisions right at the outset — business structure, state of incorporation, and a clear compliance plan — pays dividends for years afterward.

Whether the right first step for your business is a Delaware C-Corp built for institutional investors, a Wyoming LLC built for lean, privacy-conscious operations, or an EOR-supported market test before committing to a full entity, the United States remains one of the most rewarding markets in the world to formally establish a business in.

Ready to register your company in the United States? Use RemotePeople’s company registration services to get expert support from day one, from entity setup through your first hire.

Frequently Asked Questions

Most businesses register in the state where they physically operate, but many startups and non-US founders choose Delaware for its established corporate law, court system (Delaware Court of Chancery), and investor familiarity, or Wyoming/Nevada for lower fees and privacy. Registering out of state usually means also registering as a "foreign entity" in whichever state you actually do business, which adds a second layer of fees and filings.

No, non-US citizens and non-residents can form an LLC or C-Corporation in nearly every state without needing a visa, Social Security Number, or US address, provided they use a registered agent. However, actively working for the company in the US (versus just owning it) generally requires appropriate work authorization.

An Employer Identification Number (EIN) is a federal tax ID issued by the IRS, required to open a US bank account, hire employees, and file taxes. Foreign owners without a Social Security Number can still obtain an EIN, though the application process typically takes longer and may need to be done by phone, fax, or mail rather than online.

Yes, every US LLC and corporation must designate a registered agent, an individual or company with a physical address in the state of formation, to receive legal and tax documents on the company's behalf. Registered agent services are commonly outsourced for a small annual fee, especially by non-resident founders.

Ongoing costs typically include state annual report or franchise tax fees (ranging from under $100 to several hundred dollars depending on the state), registered agent fees, and federal tax filing obligations, even for companies with no US-source income. Delaware, for example, charges an annual franchise tax and requires a separate annual report filing regardless of revenue.