Which Business Structure Should I Choose?

The Real Trade-Off: Liability, Tax, and Formality

Every entity choice trades three things against each other: how well it protects your personal assets, how the profits are taxed, and how much paperwork you must maintain. A sole proprietorship (or a general partnership with co-owners) is the cheapest and simplest — often just a name registration — but it offers no liability shield, so a business debt or lawsuit can reach your house and savings. Limited-liability entities cost more and demand ongoing formalities, but they separate the business's obligations from your own.

In the United States the workhorse is the LLC: it delivers a liability shield with pass-through taxation and light formality, and a profitable LLC can elect S-corporation status to reduce self-employment tax. Canada has no LLC — the equivalent liability shield comes from incorporating a corporation, federally under the CBCA or provincially. So a solo US owner worried about liability usually forms a single-member LLC, while the same owner in Canada incorporates.

Taxes: Pass-Through, Deferral, and the S-Corp Election

US LLCs and sole proprietorships are pass-through: profits are taxed once on the owner's personal return. A C-corporation is taxed separately and its dividends taxed again to shareholders — usually only worth it when raising venture capital or retaining large profits. The S-corp election lets an LLC or corporation split owner pay into salary (payroll-taxed) and distributions (not subject to self-employment tax), a common saving for owners netting well into six figures.

In Canada, a Canadian-controlled private corporation pays the low small-business rate on roughly the first $500,000 of active income, so owners who reinvest profits can defer tax at corporate rates far below personal rates — an advantage that shrinks if you pay everything out as salary or accumulate passive investment income. The decision is genuinely numbers-driven, which is why you should model your expected profit with an accountant before filing, not after.

Co-Owners and Investors Change Everything

The moment there is more than one owner, the founding agreement matters more than the entity label. A shareholders' agreement (corporation) or operating/partnership agreement (LLC/partnership) sets ownership percentages, who decides what, how a departing or deceased owner is bought out, and how deadlocks break. Skipping it is the single most common cause of the expensive 'business divorce' that our shareholder-dispute and partnership-dissolution tools help you avoid.

If you intend to raise money, structure follows the investors. US venture capital expects a Delaware C-corporation with preferred stock and a clean cap table; LLCs complicate institutional rounds. Canadian investors expect a corporation with multiple share classes and an option pool. Bootstrapped and loan-funded businesses have far more freedom and can start lean, converting to an investor-ready structure later as growth demands.

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