Business Entity Comparison Guide - LLC vs S-Corp vs C-Corp

# Business Entity Comparison Guide — LLC vs. S-Corp vs. C-Corp **Prepared by:** [COMPANY NAME] **Effective Date:** [DATE] **Document Version:** 1.0 **Classification:** CONFIDENTIAL / INTERNAL USE ONLY **Practice Area:** Corporate Formation & Business Structure Advisory **Jurisdiction:** United States Federal Law; [STATE] State Law (where applicable) --- ## Table of Contents - 1.0 Purpose and Scope - 2.0 Definitions and Interpretive Provisions - 3.0 Entity Overview and Formation Requirements - 3.1 Limited Liability Company (LLC) - 3.2 S Corporation (S-Corp) - 3.3 C Corporation (C-Corp) - 4.0 Ownership Structure, Capital, and Equity Frameworks - 4.1 Membership Interests and Units (LLC) - 4.2 Shareholder Restrictions and Share Classes (S-Corp) - 4.3 Capital Structure and Share Classes (C-Corp) - 5.0 Taxation Architecture and Pass-Through Analysis - 5.1 Default and Elective Tax Treatment (LLC) - 5.2 Subchapter S Election Requirements and Limitations - 5.3 C Corporation Double Taxation and Strategic Offsets - 5.4 Qualified Business Income Deduction (Section 199A) Applicability - 6.0 Governance, Management, and Operational Requirements - 6.1 LLC Operating Agreement Provisions - 6.2 S-Corp Bylaws, Board Structure, and Shareholder Agreements - 6.3 C-Corp Governance: Board Composition, Committees, and Fiduciary Duties - 7.0 Investor Readiness, Financing, and Exit Strategy Considerations - 7.1 Venture Capital and Institutional Investment Compatibility - 7.2 Employee Equity Compensation: Options, Warrants, and Incentive Plans - 7.3 Acquisition, Merger, and Liquidation Frameworks - 8.0 Decision Framework and Entity Selection Matrix - 8.1 Quantitative Decision Criteria - 8.2 Entity Selection Scoring Matrix - 8.3 Common Structural Errors and Remediation Pathways - 9.0 Appendices - Appendix A: Federal and State Filing Reference Table - Appendix B: Sample IRS Form 2553 Election Language - Appendix C: Comparative Tax Illustration — $500,000 Net Income Scenario - Appendix D: Entity Conversion Roadmap - 10.0 Document Control --- ## 1.0 Purpose and Scope ### 1.1 Purpose This Business Entity Comparison Guide ("Guide") has been prepared by [COMPANY NAME] to provide entrepreneurs, startup founders, and small business owners with a rigorous, analytically grounded framework for evaluating and selecting among the three predominant business entity structures available under United States law: the Limited Liability Company ("LLC"), the S Corporation ("S-Corp"), and the C Corporation ("C-Corp"). This Guide synthesizes applicable provisions of the Internal Revenue Code ("IRC"), the Uniform Limited Liability Company Act ("ULLCA"), state corporate statutes, and prevailing business formation practice to deliver actionable structural analysis. This Guide is not a substitute for individualized legal or tax counsel. The selection of a business entity is among the most consequential decisions an entrepreneur will make, with compounding implications for taxation, liability exposure, investor relations, equity compensation design, and exit optionality. Errors in entity selection — or the failure to restructure as business conditions evolve — routinely generate avoidable costs measured in tens of thousands of dollars in excess taxation, legal remediation, and transaction friction. ### 1.2 Scope This Guide applies to: - Prospective business owners evaluating initial formation strategy; - Existing business owners considering conversion, restructuring, or recapitalization; - Legal and financial advisors providing formation guidance to clients; and - Startup founders evaluating entity structure in anticipation of institutional investment. This Guide addresses federal law as the primary analytical framework, with supplemental reference to [STATE] statutory requirements where applicable. Users operating in jurisdictions with materially divergent state-level requirements — including, without limitation, California, Delaware, New York, and Texas — should supplement this Guide with jurisdiction-specific legal review. See Section 9.0, Appendix A for a Federal and State Filing Reference Table. ### 1.3 Limitations and Currency All statutory references reflect the Internal Revenue Code as amended through the Tax Cuts and Jobs Act of 2017 ("TCJA") and subsequent guidance. Changes to federal or state law occurring after [DATE] are not reflected herein. Users are advised to confirm current IRC provisions, particularly with respect to corporate tax rates (IRC § 11), pass-through deductions (IRC § 199A), and employment tax treatment, with qualified tax counsel prior to making formation decisions. --- ## 2.0 Definitions and Interpretive Provisions ### 2.1 Defined Terms As used throughout this Guide, the following terms shall have the meanings set forth below: **"Articles of Incorporation"** means the foundational formation document filed with the relevant state authority to establish a corporation, as required under state corporate law statutes. **"Articles of Organization"** means the foundational formation document filed with the relevant state authority to establish a Limited Liability Company. **"Built-In Gains Tax"** means the corporate-level tax imposed under IRC § 1374 on an S corporation's recognition of gains attributable to appreciated assets that were held by the entity during its prior existence as a C corporation, applicable during the five-year recognition period following an S election. **"C Corporation"** means a domestic corporation that has not made a valid S election under IRC § 1362 and is therefore subject to entity-level federal income taxation under IRC Subchapter C. **"Distributable Net Income"** or **"DNI"** means the amount of LLC income allocated to members and available for distribution pursuant to the entity's operating agreement and applicable state law. **"Effective Date"** means [DATE], being the date upon which this Guide takes effect for purposes of [COMPANY NAME]'s internal advisory and client-facing distribution. **"Employment Taxes"** means federal taxes imposed under the Federal Insurance Contributions Act ("FICA"), IRC §§ 3101–3128, and the Self-Employment Contributions Act ("SECA"), IRC §§ 1401–1403, including Social Security and Medicare taxes. **"LLC"** means a Limited Liability Company formed under applicable state limited liability company legislation. **"Member"** means an owner of membership interest in an LLC, as that term is defined under applicable state LLC statutes and the entity's operating agreement. **"Operating Agreement"** means the written agreement among the members of an LLC governing the organization's management, capital structure, allocations, distributions, and dissolution, as contemplated by state LLC statutes. **"Pass-Through Taxation"** means a tax treatment regime under which entity-level income, deductions, and credits flow through to the owners' individual tax returns without imposition of an entity-level income tax. **"Qualified Business Income"** or **"QBI"** means the net amount of qualified items of income, gain, deduction, and loss with respect to any qualified trade or business, as defined under IRC § 199A(c). **"Reasonable Compensation"** means the compensation that would ordinarily be paid for like services by like enterprises under like circumstances, as required to be paid to S corporation shareholder-employees under IRC § 1361 jurisprudence and IRS guidance. **"S Corporation"** means a domestic corporation that has made a valid election under IRC § 1362(a) to be treated as an S corporation and that satisfies all eligibility requirements set forth in IRC § 1361. **"Self-Employment Tax"** means the tax imposed on net earnings from self-employment under IRC § 1401, currently imposed at a combined rate of 15.3% on earnings up to the Social Security wage base and 2.9% (plus the 0.9% Additional Medicare Tax where applicable) on earnings above that thresho