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How to Start a Legal Company in the USA in 2026: LLC, Costs, EIN & Registration
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Starting a company in the United States involves more than choosing a business idea. You need to select the right legal structure, register the business with the appropriate state authority, understand your tax responsibilities, and obtain any required licenses. For many entrepreneurs, forming a Limited Liability Company (LLC) is a practical option, but the best choice depends on the business, its owners, and its long-term plans.
The good news is that the United States provides official online resources to help entrepreneurs understand the process. Whether you live in the United States or are considering forming a U.S. company from another country, this guide explains the essential legal steps, typical costs, paperwork, and mistakes to avoid in 2026.
Important: This article provides general educational information, not individualized legal, tax, or immigration advice. Requirements vary by state and business activity.
1. Decide What Type of Legal Company You Want to Form
Before paying a registration service or submitting paperwork, decide which legal structure fits your goals. The structure affects personal liability, taxation, ownership, management, and reporting obligations.
Limited Liability Company (LLC)
An LLC is a popular structure for small businesses, online companies, consultants, agencies, and many independent entrepreneurs.
Potential advantages include:
Limited liability protection for owners, subject to applicable law and proper separation of personal and business affairs.
Flexible ownership and management arrangements.
Different federal tax treatment options, depending on the number of owners and applicable elections.
A formal legal entity that can enter contracts and conduct business in its own name.
An LLC is not automatically the cheapest or best structure in every state. Filing fees, annual reports, franchise taxes, and other obligations can differ considerably.
Corporation (C Corporation)
A C corporation is a separate legal entity that may suit businesses planning to issue shares, attract outside investors, or build a company with a formal board and shareholder structure.
Corporations generally involve more formal governance and recordkeeping. They are also subject to corporate tax rules, and distributions to shareholders may have additional tax consequences.
Sole Proprietorship
A sole proprietorship is generally the simplest structure for an individual operating a business without forming a separate corporation or LLC.
However, it generally does not provide the same separation between the owner's personal assets and business liabilities as an LLC or corporation. Simply using a business name or obtaining an EIN does not create an LLC.
Which should you choose? For a small company with one or a few owners, an LLC is often worth evaluating first. For a business seeking venture capital or issuing shares, a corporation may be more appropriate. Discuss your circumstances with a qualified attorney or tax professional before deciding.
2. Choose the Right State for Company Registration
A common mistake is choosing a state based on online advertisements claiming that it is always the cheapest or most business-friendly.
Delaware, Wyoming, and other states may offer advantages for certain businesses, but the best state depends on where the company will actually operate, where its owners and employees are located, and its tax and compliance needs.
Consider these factors:
Formation fee: What does the state charge to file the original documents?
Annual obligations: Are annual reports, franchise taxes, or recurring fees required?
Business location: Where will the company have an office, employees, property, or regular operations?
Additional registrations: Will the company need to register in another state as a foreign LLC or corporation?
Industry rules: Does the business require special state or local licenses?
For example, forming an LLC in one state does not necessarily eliminate registration obligations in another state where the company conducts business. Additional registrations may mean additional fees and tax responsibilities.
Start with the official U.S. Small Business Administration guide:
Official SBA business launch guide
You can also use the SBA's state registration lookup to find the appropriate state authority.
3. Choose and Check Your Company Name
Your proposed legal name must satisfy the rules of the state where you form the company.
For an LLC, the name usually must include an LLC designation or another permitted equivalent. Corporations generally have their own naming requirements.
Before filing:
Search the state's business entity database.
Check whether another registered business already uses the name.
Review restrictions on words such as "bank," "insurance," or "university."
Search the internet and relevant trademark databases for potential conflicts.
Check whether a suitable website domain is available.
An available state business name does not automatically mean you have trademark rights to that name. Similarly, purchasing a domain does not legally register a company.
If branding matters to your business, consider checking the U.S. Patent and Trademark Office database before making significant investments in a name or logo.
4. Appoint a Registered Agent if Required
For an LLC or corporation, the state generally requires a registered agent with a physical address in the state of formation.
The registered agent receives official notices, service of process, and certain legal documents on behalf of the company.
Depending on the state, you may be able to serve as your own registered agent if you satisfy the requirements. Alternatively, you can hire a registered agent service.
Before paying a provider, check:
Its annual fee and renewal terms.
Whether the address meets your state's requirements.
How quickly it forwards official documents.
Whether its advertised price includes all necessary services.
A registered agent is not necessarily a company owner, attorney, business manager, or physical office for daily operations.
If you live outside the United States, confirm the state's registered-agent requirements before filing. Having an agent does not automatically satisfy every address, banking, licensing, or tax requirement.
5. File the Official Formation Documents
This is the key step that legally forms an LLC or corporation under the chosen state's law.
For an LLC, the document is commonly called the Articles of Organization or a similar name. For a corporation, it is commonly called the Articles of Incorporation or Certificate of Incorporation.
The exact terminology varies by state.
Depending on the state and structure, you may need to provide:
The proposed legal company name.
The registered agent's details.
The company's registered office or other required address.
Information about organizers, incorporators, or management.
Other information required by state law.
Submit the documents to the official state filing office, usually the Secretary of State or a comparable agency, and pay the applicable filing fee.
Keep the approval notice and copies of the filed documents. Do not assume the company has been formed simply because you submitted an application; wait for confirmation from the state.
Important: A business formation website may charge a service fee in addition to the government's filing fee. You can often file directly through the relevant state authority.
6. Prepare an Operating Agreement or Corporate Bylaws
Registering the company is an essential step, but it is not the end of the legal setup.
An LLC operating agreement explains how the company is owned and managed. It can cover ownership percentages, decision-making, profit distributions, transfers of membership interests, and procedures for resolving disputes.
An operating agreement is useful even for a single-member LLC because it documents how the business is intended to operate. Some states have specific requirements, so check the applicable rules.
For a corporation, bylaws and organizational records help establish governance procedures. Depending on the situation, the company may also need initial director or shareholder actions, stock records, and other corporate documents.
These records help distinguish the company from its owners and support consistent business administration. They do not, by themselves, guarantee liability protection.
7. Apply for an Employer Identification Number (EIN)
An Employer Identification Number, or EIN, is a federal tax identification number issued by the Internal Revenue Service (IRS).
A company may need an EIN for federal tax administration, hiring employees, opening certain business bank accounts, and other business activities. Whether a particular business must obtain one depends on its structure and circumstances.
The IRS provides EIN applications directly, without charging a fee.
Apply through the official IRS website:
Be careful with websites that charge unnecessary fees for obtaining an EIN.
The application method depends on eligibility. The IRS online application has specific requirements, including requirements relating to the principal place of business and the responsible party. Applicants who are not eligible to use the online application may need to use another IRS-approved method.
An EIN is not a business license, proof of state registration, or a substitute for tax filings.
8. Can a Non-U.S. Resident Legally Form a Company in America?
Many entrepreneurs outside the United States are interested in forming a U.S. LLC or corporation to serve international customers, operate an online business, or establish a formal business presence.
In many circumstances, U.S. law allows non-U.S. residents and non-U.S. citizens to own a U.S. company. However, the rules depend on the entity type, state, industry, and the owner's circumstances.
Before proceeding, understand these distinctions:
Company formation: State law determines how the legal entity is formed.
Federal tax obligations: The owner's residency, tax classification, income sources, and other factors can affect federal tax requirements.
State tax obligations: The company may have state filing, income tax, sales tax, or other responsibilities.
Banking: Banks apply their own identity verification, documentation, and risk requirements.
Immigration: Owning a U.S. company does not automatically provide a U.S. visa, work authorization, or permission to live in the country.
If you live abroad, you should investigate the tax rules that apply to foreign-owned U.S. entities before forming one. Some foreign-owned single-member LLCs classified as disregarded entities for federal tax purposes may have special information-return requirements, even when they owe no federal income tax.
The IRS provides information for international taxpayers here:
A qualified cross-border tax professional can help you understand which returns, disclosures, and deadlines apply to your specific structure.
9. Obtain the Business Licenses and Permits You Need
A registered LLC or corporation is not automatically authorized to conduct every type of business.
Depending on the activity and location, you may need federal, state, county, or city licenses and permits.
Examples include:
Construction and contracting.
Restaurants and food businesses.
Transportation and logistics.
Healthcare and other regulated professional services.
Certain financial services.
Retail businesses subject to specific sales tax or local requirements.
Some businesses also need zoning approval, health permits, professional licenses, or permission to operate from a particular location.
Use the official SBA resource to identify the requirements relevant to your business:
U.S. Small Business Administration — Licenses and Permits
Check the actual issuing agency for current fees and application requirements. Never assume that a general business registration replaces an industry-specific license.
10. Open a Business Bank Account
A separate business bank account can help keep company income and expenses distinct from personal transactions.
Banks set their own requirements, but they may request:
Approved formation documents.
An EIN or other applicable tax identification number.
Ownership and identity information.
Business address and contact details.
Operating agreement or corporate documents.
Additional information about the business and its activities.
For an owner who lives outside the United States, the process may be more complicated. Some institutions may require in-person verification or additional documents, and policies differ.
Do not assume that forming an LLC guarantees approval for a U.S. bank account or payment processor.
Keeping accurate records, using company funds appropriately, and documenting transactions are important parts of maintaining the company's legal and financial separation.
11. Understand Taxes and Ongoing Compliance
A legal company must continue meeting its applicable obligations after formation.
Depending on its structure, activities, location, and owners, it may need to handle:
Federal income tax returns or information returns.
State income, franchise, or gross-receipts taxes.
Sales tax registration and collection where required.
Payroll taxes if it hires employees.
Annual or periodic state reports.
Renewal of licenses and permits.
Accounting records and supporting documentation.
An LLC's tax treatment depends on its classification and any elections made. A domestic single-member LLC is generally treated as a disregarded entity for federal income tax purposes by default, while a domestic LLC with multiple members is generally treated as a partnership unless it elects otherwise. Special rules apply to corporations and certain foreign-owned entities.
Do not assume that an LLC automatically pays less tax than a corporation, or that no tax return is needed when a company has no revenue.
What about Beneficial Ownership Information (BOI) reporting?
Rules can change, so check the current requirements rather than relying on outdated formation guides.
As of October 2026, FinCEN's rule exempts entities created under U.S. law from federal BOI reporting under the Corporate Transparency Act. Certain foreign-formed entities registered to do business in the United States may still have reporting obligations, depending on the applicable exemptions and rules.
Official guidance is available here:
FinCEN — Beneficial Ownership Information Reporting
This federal reporting rule does not eliminate other state, tax, licensing, or banking disclosure requirements.
Understand How Federal Reserve Decisions Can Affect Your Business
Before launching a company in the United States, it is important to understand the economic factors that can influence borrowing costs, business loans, and access to capital. Federal Reserve interest rate decisions can affect how much businesses pay to finance expansion, purchase equipment, or manage cash flow.
If you are planning to start a U.S. company in 2026, read our guide on whether the Federal Reserve will raise interest rates to better understand the potential impact of monetary policy on your business financing plans.
Understanding these economic trends can help entrepreneurs make more informed decisions when comparing financing options and preparing a realistic startup budget.
12. How Much Does It Cost to Form a Legal Company in the USA?
There is no single price for forming a U.S. company. Costs depend on the state, entity type, professional services, and business activity.
| Expense | What to expect |
|---|---|
| State formation filing | Varies by state and entity type |
| Registered agent | May be free if you qualify and serve yourself, or paid annually for a service |
| Operating agreement or corporate documents | May be prepared yourself or with professional assistance |
| EIN application | Free directly from the IRS |
| Business licenses and permits | Depend on the industry and location |
| Accounting and tax preparation | Depend on complexity and filing requirements |
| Annual reports and state taxes | Vary by state and company circumstances |
| Legal or tax advice | Depends on the professional and the work required |
Some straightforward state formation filings cost less than $300, but that does not mean the complete cost of establishing and maintaining a company will remain below that amount. Additional state taxes, annual fees, licenses, and professional services can increase the total substantially.
Before choosing a state, calculate both the initial formation cost and the expected annual cost of keeping the company in good standing.
13. Common Mistakes to Avoid When Forming a U.S. Company
A few avoidable mistakes can create expenses and legal complications later.
Choosing a state without comparing total costs. A low initial filing fee may be offset by annual taxes or additional registration obligations elsewhere.
Confusing an EIN with legal formation. An EIN does not create an LLC or corporation.
Assuming an LLC eliminates all personal liability. Protection has limits, and personal guarantees, certain misconduct, or failure to respect the company's separate existence can create personal exposure.
Ignoring tax obligations because the business has no sales. Certain returns and information filings may still be required.
Using a commercial formation service without checking its fees. Compare its service charges with the official state filing process.
Assuming a U.S. company gives you immigration rights. Business ownership and immigration authorization are separate matters.
Forgetting annual compliance. Missing required reports, taxes, or renewals can result in penalties or loss of good standing.
14. Your Legal Company Formation Checklist
Before you begin operating, use this checklist to organize the process.
Choose the legal structure: LLC or corporation, for example.
Compare the states where the company may reasonably operate.
Check the proposed name and relevant trademark conflicts.
Confirm the registered-agent and address requirements.
Submit the official formation documents and receive state approval.
Prepare the operating agreement or corporate governance documents.
Apply for an EIN if required or appropriate.
Determine which federal, state, and local licenses apply.
Establish suitable banking and bookkeeping arrangements.
Confirm federal and state tax obligations and deadlines.
Calendar annual reports, renewals, and other compliance duties.
The official SBA business launch guide is a useful starting point for checking the steps that apply to your business.
Final Thoughts: Form a Legal Company, Not Just a Business Name
Starting a company in the United States can provide a formal structure for serving customers, signing contracts, managing business finances, and growing an operation. But the important first step is choosing the correct legal structure and following the rules of the state and industry involved.
For many small businesses, an LLC is worth considering because of its flexible management and potential liability protection. Still, the right choice depends on your ownership, tax position, location, and future plans.
Take the time to compare formation and ongoing costs, use official government resources, and obtain qualified advice when the rules are complex. A properly established company is not simply a name on a certificate; it is an ongoing legal and financial responsibility.
This guide is for general informational purposes and does not replace advice from a licensed U.S. attorney or qualified tax professional.