LLC
A Limited Liability Company (LLC) is a US business entity structure that combines pass-through taxation with limited liability protection for owners (members). Profits and losses flow through to owners' personal tax returns rather than being taxed at the entity level. LLCs are common for bootstrapped businesses, lifestyle ventures, professional services firms, and small businesses, but typically incompatible with venture-capital fundraising because most institutional investors require C-corporation structure. It is the default starting entity for most non-venture US businesses and the wrong default for any company planning to raise from VCs.
The structural advantages of an LLC: pass-through taxation (no entity-level federal tax; profits and losses flow to members' personal returns, avoiding the double taxation that C-corps face), flexibility in profit allocation (LLC operating agreements can specify non-pro-rata distributions, useful for situations where capital contributions and labor contributions are different across owners), simpler administrative requirements (fewer corporate formalities than C-corps; no required annual meetings, simpler record-keeping), and owner-friendly governance (members directly control or appoint managers; no required board structure). The structural disadvantages for venture-backed startups: most VCs cannot invest in LLCs for tax reasons (LLCs generate UBTI (Unrelated Business Taxable Income) for tax-exempt LP investors like pension funds and endowments, which the LPs penalize), stock options work poorly (LLCs issue "profits interests" instead of stock options, which are tax-complicated and less attractive to employees), QSBS doesn't apply (Section 1202 only covers C-corp stock, so LLC owners forfeit the $10M+ tax exclusion at exit), and conversion to C-corp before fundraising is expensive and triggers tax events (most startups planning VC fundraising should start as a C-corp from day one). The 2020s reality: bootstrapped, lifestyle, professional services, and cash-flow-focused businesses are usually best served by LLC structure; venture-backed startups should structure as Delaware C-corps from incorporation.
Ryan's Take
The LLC is the right answer for the majority of US small businesses and the wrong answer for venture-backed startups. The mistake founders make most often: starting as an LLC because it's simpler, then realizing six months in that they want to raise from VCs, and then spending real money converting to a C-corp. The conversion is doable but costs $5K to $15K in legal fees and triggers tax considerations for any existing members. If you have any chance of raising venture capital, just start as a Delaware C-corp. The marginal complexity at formation is trivial compared to the cost of converting later.
What founders get wrong: Choosing LLC for the simplicity at formation without thinking about the fundraising path. The simplicity savings are real and immediate; the conversion costs are real and arrive later, usually at the worst possible moment (right when you're trying to close your first VC round and need the structure to be clean). If venture-backed fundraising is even a plausible future path, choose C-corp from day one.
Related: Delaware C-Corp · C Corporation · Incorporation · Operating Agreement · LLC vs C-Corp
FAQ
What is an LLC?
A Limited Liability Company. A US business entity structure that combines pass-through taxation (profits and losses flow through to owners' personal tax returns) with limited liability protection for owners (members). Common for bootstrapped businesses, lifestyle ventures, and small businesses.
Why can't venture-backed startups use an LLC?
Most VCs cannot invest in LLCs because LLCs generate UBTI (Unrelated Business Taxable Income) for tax-exempt LP investors like pension funds and endowments. Also: LLCs can't issue stock options cleanly (they issue "profits interests" instead), and QSBS treatment (Section 1202) only applies to C-corp stock, so LLC owners forfeit the $10M+ exit-tax exclusion.
Should I form as an LLC or a C-corp?
LLC for bootstrapped, lifestyle, professional services, and cash-flow-focused businesses. Delaware C-corp for any startup planning to raise venture capital. Converting from LLC to C-corp later costs $5K-$15K in legal fees and triggers tax considerations; if venture fundraising is even a plausible path, start as C-corp.
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