An LLC (Limited Liability Company) and a Corporation are both legal structures that separate your personal assets from business liabilities, but they differ meaningfully beyond just their default tax treatment. An LLC is generally simpler to operate: fewer required formalities, no mandatory board of directors, and more flexibility in how profit and management responsibilities are divided among owners.
A Corporation requires more formal governance: a board of directors, corporate bylaws, regular shareholder meetings with documented minutes, and stricter recordkeeping requirements. These formalities exist for a reason, they create the paper trail that helps preserve the liability protection the corporate structure is meant to provide, but they represent real ongoing administrative work that an LLC generally doesn't require to the same degree.
Why Formalities Matter More Than They Seem
Consider two nearly identical small businesses, both structured as corporations, both sued by a former vendor over a contract dispute a few years after formation. The first company held its required annual shareholder meetings, kept documented minutes, maintained a separate business bank account, and never mixed personal and business funds. When the lawsuit named the owner personally, alongside the corporation, the court found the corporate formalities had been properly maintained, and dismissed the personal claims against the owner, limiting the exposure to the corporation's own assets as intended.
The second company, formed at the same time with the same paperwork, never held a documented meeting, never adopted bylaws in practice, and routinely paid personal expenses directly from the business account without reimbursement. When that company was sued, the court found the corporate formalities had been so consistently ignored that the corporate structure itself hadn't actually been respected, a legal concept known as piercing the corporate veil, and allowed the personal claims against the owner to proceed. Two nearly identical businesses, two very different outcomes, entirely because of whether the formalities were actually followed in practice rather than just filed once at formation.
Ownership transfer also works differently. Corporate stock is generally easier to transfer or sell in pieces, which is part of why corporations are the default structure investors expect when raising outside capital. LLC membership interests can be transferred too, but the process is often governed more informally by the operating agreement and can be more cumbersome for bringing in new owners quickly.
Both structures offer liability protection, meaning your personal assets are generally shielded from business debts and lawsuits, as long as the business is operated correctly and the formalities appropriate to its structure are actually followed. Neither structure protects you if you personally guarantee a business debt or if the corporate or LLC veil is "pierced" due to commingled finances or ignored formalities, which is why keeping business and personal finances cleanly separated matters regardless of which structure you choose.
For most small businesses without immediate plans to raise outside investment, an LLC's flexibility and lighter administrative burden make it the more practical starting point, with the option to convert to a corporation later if the business's needs genuinely change, whether for fundraising, equity compensation, or other structural reasons.
The Specific Factors Courts Look At
Courts evaluating whether to disregard an LLC or corporation's liability protection typically look at a consistent set of factors: whether corporate/LLC formalities were actually followed, whether funds were commingled between personal and business accounts, whether the entity was adequately capitalized for its business activities, whether it was used to perpetrate a fraud or injustice, and whether it functioned as a genuinely separate entity or simply as an extension of the owner's personal finances.
No single factor is automatically decisive on its own, courts weigh the overall pattern. But commingled funds and ignored formalities appear in the overwhelming majority of successful veil-piercing cases, which is exactly why these two practices, more than any single filing or form, are what actually determines whether your liability protection holds up when it's tested.
For businesses with more than one owner, it's worth having the operating agreement or corporate bylaws explicitly address what happens if an owner wants to exit, becomes incapacitated, or passes away. These scenarios are easy to defer thinking about at formation, when everyone is optimistic and aligned, but far harder and more expensive to resolve later without something in writing to fall back on.