Why is Choosing a Company Type in America So Critical?
The structure you choose when establishing a company in America directly determines the tax rate you will pay, the level of risk to your personal assets, your capacity to attract investors, and your exit strategy.
A wrong choice can lead to unnecessary tax burdens, legal risks, and costly restructuring expenses over the years.
Especially for initiatives based in Turkey that are expanding to the US, complex tax and reporting burdens can arise due to the wrong initial structure. Therefore, the choice of company type should be viewed not as a “form-filling” step but as a strategic investment decision.
Basic Types of Companies in the US: Overview
The most commonly seen types of companies in the US are:
- Sole Proprietorship
- Partnership: General Partnership, Limited Partnership, LLP
- LLC (Limited Liability Company)
- C Corporation
- S Corporation
- Professional structures: Professional LLC (PLLC), Professional Corporation (PC)
- Non-profit Corporation
Company types are clearly differentiated in terms of liability, taxation, formation difficulty, and maintenance.
Below, let’s examine the most commonly used types from a practical perspective.
1. Sole Proprietorship
A sole proprietorship is the simplest way to do business in the US. It does not create a separate legal entity; you and the business are legally the same.
- Liability: You are personally responsible for all debts and obligations. Your personal assets (home, car, savings) may be at risk.
- Tax: It is a pass-through structure; business profits are reported directly on your personal income tax return (Form 1040). There is no separate corporate tax.
- Formation: It is the simplest option; in most states, no company registration is required, typically just a local license/permit is sufficient.
- Maintenance: There are no obligations such as official meetings or annual reports.
Advantages: Quick start, very low cost, full control.
Disadvantages: Your personal assets are not protected, attracting investors is nearly impossible, scalability is limited.
Who is it suitable for? Freelancers, small-scale service providers, very small initiatives for testing purposes. It is not suitable for international growth and investment goals.
2. Partnership
A partnership is a structure used for two or more people to do business together. There are primarily three types:
- General Partnership (GP): All partners are active in management and have unlimited personal liability.
- Limited Partnership (LP): Includes at least one “general partner” (unlimited liability) and one or more “limited partners” (responsible only to the extent of their investment, does not participate in management).
- Limited Liability Partnership (LLP): Common in professional service firms such as law and accounting; partners are only liable for each other’s professional mistakes to a limited extent.
Key features of partnerships:
- Tax: Generally pass-through. The partnership provides Form 1065 to the IRS for informational purposes, profits are distributed to partners via K-1, and partners report this on their own returns.
- Liability: In GP, all partners have broad personal liability; in LP, if the limited partner rule is followed, liability is limited to the investment.
- Formation/Maintenance: More complex than sole proprietorship but simpler compared to corporations. A well-prepared partnership agreement is critically important.
Who is it suitable for? Family businesses, small joint ventures, some professional service firms. However, for start-ups with international investment and aggressive growth plans, LLC or corporation is often more suitable.
3. LLC (Limited Liability Company)
LLC is one of the most popular structures in the US, especially for small and medium-sized enterprises. It provides both limited liability and tax flexibility.
- Liability: Members are generally not personally liable for company debts. Personal assets are largely protected.
- Tax: By default, it is pass-through (single-member LLC is treated as sole proprietorship; multi-member is treated like partnership). It can elect to be taxed as a C Corp or S Corp if desired. This provides significant flexibility in tax planning.
- Formation: Articles of Organization are filed at the state level; most serious businesses prepare an Operating Agreement to regulate internal relations.
- Maintenance: Lower formality compared to corporations; there are no mandatory general meetings, board meetings, etc. Annual reports and fees are paid according to the state.
Advantages:
- Strong liability protection
- Flexible taxation (pass-through, C Corp, S Corp election)
- Flexible management (member-managed or manager-managed)
- Ideal starting structure for small and medium-sized, even some technology ventures
Disadvantages: Annual franchise tax and reporting burden in some states; since large VC funds prefer Delaware C Corps, a conversion to C Corp may be necessary in later-stage investment rounds.
4. C Corporation
C Corporation (C Corp) is the standard structure in the US for companies aiming for large-scale growth, attracting investors, or going public (IPO). Especially VC and private equity investors generally prefer Delaware-based C Corps.
- Liability: Shareholders are only liable up to the amount of their investment in the company.
- Tax: There is double taxation:
- The company pays corporate tax (federal + state).
- Distributed dividends are taxed again at the shareholder level.
- Formation: Articles of Incorporation (or Certificate of Incorporation) are filed at the state level, a board of directors is appointed, bylaws are prepared, and shares are issued.
- Maintenance: Annual meetings, minutes, annual reports, and strict corporate formalities are required.
Advantages:
- Unlimited number of shareholders
- Investor-friendly structure with different classes of shares (e.g., common vs preferred stock)
- Professional management and corporate image
- Most suitable structure for public offerings and large exit scenarios
Disadvantages: Double taxation, high setup and compliance costs, more complex accounting and reporting.
5. S Corporation
S Corporation is legally a corporation, but it is a pass-through structure for tax purposes. That is, the company’s profits flow through to the shareholders’ personal returns.
- Liability: Like C Corp, shareholders have limited liability.
- Tax: The company does not pay corporate tax; profits pass to shareholders via K-1. This prevents double taxation present in C Corp.
- Restrictions:
- Maximum of 100 shareholders
- Shareholders must be individuals and mostly US citizens/residents
- Can only issue a single class of stock
Due to these restrictions, S Corp is generally not suitable for structures planning to have international partners or foreign investors in the future. However, it can provide optimized tax planning through salary + profit distribution for SMEs focused on the US domestic market.
6. Non-Profit Corporation and Professional Structures (PC, PLLC)
Non-Profit Corporation
A non-profit corporation is established for non-profit purposes such as religious, educational, charitable, etc. If it meets the appropriate conditions, it can obtain tax exemption under IRS 501(c)(3).
There are no distributions of profits; revenues are used to serve the purpose.
PLLC and Professional Corporation (PC)
For licensed professionals such as doctors, lawyers, and accountants, many states require or predominantly use PLLC or PC types instead of classic LLC or corporation. These structures:
- Provide limited liability against company debts,
- But do not completely eliminate personal liability for professional negligence (malpractice).
Summary of Company Type Comparison
According to the synthesis of research data, the main types of companies differ in the following areas:
- Liability: In sole proprietorship and general partnership, personal assets are at risk; LLC and corporation types significantly protect personal assets. C Corp is the most corporate solution in this area.
- Tax: LLC, S Corp, and partnership types prevent double taxation as pass-through; in C Corp, company profits and distributed dividends are taxed separately.
- Formation and maintenance: Sole proprietorship is the simplest, while C Corp and non-profit are the most complex and costly. LLC offers a balanced option between these two extremes.
Criteria to Consider When Choosing a Company Type in America
There is no “one correct answer” for choosing the right company type. The decision is determined by your business model, growth plan, partnership structure, and risk profile. The following headings provide a clear framework for the selection process.
1. Tax Implications
- Pass-through structures (LLC, S Corp, partnership) do not pay taxes at the company level; profits are reflected directly on the partners’ personal returns. This prevents double taxation present in C Corp.
- C Corp profits are subject to corporate tax; distributed dividends are also taxed at the shareholder level.
- LLC, while having a default pass-through structure, can elect to switch to C Corp or S Corp taxation. This is critical flexibility for tax optimization, especially during the growth phase.
The US tax regime is complex and varies by state. You can access general principles through the IRS official “Business Structures” page.
2. Liability Protection
- Sole proprietorship and general partnership structures make you fully personally liable for business debts.
- LLC, C Corp, and S Corp generally limit liability to the capital you put into the company. This is essential, especially in high-risk industries (construction, manufacturing, healthcare, etc.).
- In professional structures (PLLC/PC), while there is protection against company debts, you remain liable for your own professional mistakes.
3. Management and Flexibility
- LLCs are the most flexible in terms of management. Members can manage directly (member-managed) or professional managers can be appointed (manager-managed). The principles can be detailed in the operating agreement.
- Corporations have corporate formalities such as a board of directors, shareholder meetings, and official minute books.
- Sole proprietorship and small partnerships are the most practical for daily decision-making but are the weakest in terms of legal protection.
4. Capital Attraction and Growth Potential
- C Corp is the most attractive structure for angel investors and VC funds due to the unlimited number of shareholders and multiple classes of shares (e.g., preferred shares).
- S Corp is not suitable for structures with international investors due to the number of shareholders and citizenship/residency requirements.
- LLC is ideal for small and medium-sized businesses, offering a more limited but flexible capital structure.
- Sole proprietorship and classic partnerships are generally not preferred structures for corporate investors.
5. Operational and Administrative Burden
- Sole proprietorship: Lowest administrative burden; almost only tax returns and local licenses.
- LLC: Annual reports and fees, minimum formalities varying by state.
- C/S Corp: Annual general meetings, board meetings, minutes, annual reports, sometimes state-based franchise tax.
- Non-profit: One of the structures with the heaviest formalities in terms of both establishment and annual reporting.
6. Exit Strategy and Sale
- If you are planning an IPO or a large-scale share sale, the standard choice is C Corp.
- In small/medium-sized companies, it is possible for an LLC to change hands through the sale of membership interest or assets, which can sometimes be more tax advantageous.
- Starting with an LLC and then converting to a C Corp as the company grows is quite common; however, it should be noted that this transition will have its own tax and legal costs.
Which Company Type is More Suitable for Whom?
Small Businesses and Freelancers
Research shows that the most practical structures for small businesses are LLC or sole proprietorship in low-risk situations.
LLC offers limited liability and pass-through tax advantages, while sole prop allows for a quick start with minimal cost and formalities.
Investor-Focused Start-ups and Fast-Growing Companies
For technology and scalable business models aiming for VC, private equity, or strategic investment, and considering going public in the future, Delaware C Corporation is almost the market standard.
While it is possible to start as an LLC and later convert to a C Corp, especially at the seed and Series A stages, corporate investors mostly prefer C Corp.
Providers of Professional Services (Doctors, Lawyers, Engineers, etc.)
In this group, depending on state legislation, PLLC or PC is preferred or mandated. The aspect of professional liability (malpractice) directly affects the choice of structure; therefore, it is essential to seek state-based legal opinions rather than making a template decision alone.
Special Considerations for Foreign Entrepreneurs and Turkey-Based Companies
The following points are particularly critical for foreign individuals and entities establishing companies in the US:
- S Corp restrictions: Cannot accommodate foreign shareholders; thus, the S Corp option is practically ruled out for structures with foreign partners.
- LLC vs C Corp: Medium to long-term investor entry, profit distribution outside the US, double taxation treaties, etc., determine the ideal structure.
- Multiple countries, multiple tax regulations: Your company in Turkey and the structure you will establish in the US, along with the billing/tax relationship between them, must be carefully planned.
- Employee dispatch and payroll (payroll/EOR): Establishing employment through your own company in the US or providing solutions through EOR/payroll models can yield different results in terms of tax and labor law.
At this point, it is essential to look not only at US domestic law but also at official resources such as the SBA business structure guide and the tax treaties between the two countries holistically.
How Can Corpenza Add Value in This Process?
Establishing a company in America, residency/work permits, payroll, and tax planning; especially in scenarios involving multiple countries, is not limited to just “choosing a company type.”
A poorly structured entity can lead to costly outcomes in the coming years:
- Double taxation or unnecessarily high tax rates,
- Penalties due to incorrect payroll practices,
- The necessity to completely restructure the share structure upon investor entry,
- Unforeseen tax burdens at the time of exit (sale)
Corpenza works with a team specialized in company formation, international accounting, payroll/EOR, posted worker models, tax optimization, and investment-based residency/citizenship. Based on your strategy, target markets, and medium to long-term plans:
- Analyzes which state and type of company is more suitable for you in the US,
- Designs an appropriate structure and cash flow model considering the tax relationship between Turkey and the US,
- Coordinates the necessary establishment, licensing, and reporting processes end-to-end,
- Legally plans employee employment through in-house employment, EOR, or posted worker models.
Thus, you will not only have “established a company” but also created a scalable, investor-ready, and tax-optimized operation.
Conclusion: Choosing a Company Type in America is a Strategic Decision
When choosing a company type in America, it is essential to look not only at “today’s” needs but also at a vision of at least 3–5 years.
In summary:
- For small and medium-sized ventures seeking a flexible structure, LLC is often the ideal starting point.
- For start-ups with high growth, investment, and potential IPO goals, C Corporation is the standard choice.
- Self-employed professionals and micro businesses should decide between sole proprietorship or LLC based on their risk levels.
- Professional practitioners should evaluate PLLC/PC types considering state legislation.
- In non-profit and hybrid social impact models, non-profit corporation and similar special structures should be considered.
In every case, establishing a company and choosing a structure in the US requires a comprehensive approach to law, tax, accounting, and long-term business planning.
Reviewing official resources (especially IRS and SBA) and working with experts who can analyze the cross-border impact makes this process safe and efficient.
Disclaimer
This text is prepared for general informational purposes and does not constitute legal, tax, or financial advice.
Legislation in the US and other countries may vary by state, country, and time.
Before making any decisions, we recommend checking current official resources (such as IRS and SBA) and obtaining professional support from a qualified attorney and tax advisor.

