What Documents Are Required to Register a Company in the U.S.? A Complete Guide

How to Successfully Register a Company in the U.S. Essential Information You Need to Know

In recent years, with the continuous advancement of globalization and the ongoing development of Sino-U.S. economic and trade relations, an increasing number of Chinese entrepreneurs and business owners have chosen to register companies in the United States. The motivations include expanding into international markets, enhancing brand visibility, and accessing more favorable financing environments. According to media reports from 2025, in the first quarter alone, the number of new companies registered by Chinese entrepreneurs in the U.S. increased by more than 20% year-on-year, with particularly high activity in sectors such as technology, e-commerce, and cultural media.

However, despite the relatively low barriers to entry, the entire registration process involves complex legal, tax, and documentation requirements. Mistakes can lead to failed registration or operational challenges later on. Therefore, understanding the basic procedures and required documents for registering a U.S. company is essential for any entrepreneur planning to go global.

1. Basic Types of U.S. Business Entities

Before registering a company in the U.S., it's important to determine the appropriate business structure. Common types include

Limited Liability Company LLC The preferred choice for most startups and small to medium-sized businesses due to limited liability, flexible taxation, and simple management.

Corporation Suitable for companies planning to seek public financing. It is divided into C Corporations and S Corporations, which differ in tax treatment.

Partnership Applicable for businesses operated jointly by two or more partners.

Branch Office For companies already registered in other countries that wish to establish a branch in the U.S.

Each entity type has different documentation and compliance requirements. It's recommended to choose the structure that best aligns with your business goals and tax planning.

2. Key Documents Required for U.S. Company Registration

Regardless of the chosen entity type, the following core documents are generally required

a. Company Information

Company Name Must be unique and not already registered in the state. Some states require specific suffixes such as LLC, Inc., or Corp.

Registered Address A valid U.S. address is required. Many entrepreneurs opt for a registered agent service to fulfill this requirement.

Business Purpose A brief description of the company’s intended activities. While U.S. law imposes few restrictions on business scope, a clear description aids in tax and licensing applications.

b. Information of Company Members

Directors or Shareholders Including full name, address, nationality, and copies of passports. U.S. citizenship or residency is not required for shareholders.

Registered Agent Almost all states require the appointment of a registered agent to receive legal documents. The agent must be a U.S. resident or authorized entity.

c. Corporate Documents

Operating Agreement Required for LLCs not always mandatory by law but highly recommended to outline ownership and management structure.

Articles of Incorporation Required for corporations and must be filed with the state.

d. Tax Identification

Employer Identification Number EIN After registration, apply to the IRS for an EIN, which is used for tax filings, opening bank accounts, and more. The application can be completed online via the IRS website and typically takes a few business days.

3. Overview of the Registration Process

1. Choose the State of Registration U.S. states have different laws and tax rates. Delaware, Nevada, New York, and California are popular choices, with Delaware being especially favored due to its mature legal system and business-friendly environment.

2. Name Availability Check and Filing Use the Secretary of State’s website to check if the desired company name is available, then submit the necessary documents.

3. Pay Registration Fees Varies by state, typically ranging from $100 to $500.

4. Apply for EIN Submit an application to the IRS to complete tax registration.

5. Open a U.S. Bank Account Some banks allow remote account opening, but require company documents, EIN, and identification of the responsible person.

6. Obtain Licenses and Permits Depending on the nature of the business, local or federal licenses may be required.

4. Common Questions and Key Considerations

Is it necessary to visit the U.S. in person?

No. Many states allow the entire registration process to be completed remotely through a registered agent.

Must shareholders be U.S. citizens or residents?

No. Foreign individuals or entities can own 100% of a U.S. company.

Is a U.S. bank account required?

Not mandatory, but having one facilitates local business operations and financial management.

Should I hire a lawyer or registered agent?

For those unfamiliar with the process, it is advisable to use professional services to avoid delays caused by incomplete documentation or procedural errors.

5. Strategic Recommendations Based on Current Trends

According to 2025 media reports, as cooperation between China and the U.S. deepens in areas such as technology and green energy, more Chinese companies are establishing RD centers or sales subsidiaries in the U.S. Additionally, with the rise of remote work, many freelancers and digital nomads are forming U.S. LLCs to benefit from flexible tax arrangements and greater global credibility.

In this context, careful planning of company structure, strategic selection of registration state, and thorough preparation of required documents can significantly improve registration efficiency and success rates.

Conclusion

Registering a company in the U.S. is a crucial step in expanding internationally and enhancing corporate compliance and brand value. While the process is relatively transparent, it is also detail-oriented, especially in terms of document preparation and legal compliance. By understanding the requirements, preparing all necessary documents, and utilizing professional services when needed, businesses can successfully navigate the U.S. market and establish a strong international presence.