The answer depends more on the client's expected profits, ownership structure, and funding plans than on the LLC itself. An LLC is a legal entity; S corporation, partnership, and C corporation are tax classifications (except a true C corporation is also a legal entity).
Here's the framework I generally use:
| Situation | Typical Best Choice | Why |
|---|
| New business with modest profits (< ~$75k–100k before owner compensation) | Partnership (or default LLC taxation) | Keeps compliance simple; S-corp savings often don't exceed payroll/accounting costs. |
| Profitable owner-operated business | LLC taxed as S corporation | Can reduce self-employment taxes by paying a reasonable salary and taking remaining profits as distributions. |
| Venture-backed startup seeking institutional investment | C corporation | Most VC funds strongly prefer (or require) a Delaware C corporation because of stock structure and exit planning. |
S corporation
For many closely held service businesses, an S election remains the default planning strategy once profits are consistently high enough.
Pros:
- Potential reduction in self-employment/payroll taxes.
- Pass-through taxation (no entity-level federal income tax).
- Owners may still qualify for the Qualified Business Income (QBI) deduction, although reasonable compensation paid as W-2 wages is not QBI.
- QBI has been extended beyond its original expiration under recent federal tax legislation, making long-term planning more predictable.
Cons:
- Payroll is required.
- Must pay reasonable compensation.
- Additional compliance (Form 1120-S, payroll filings, state requirements).
Partnership (multi-member LLC)
Often preferable when:
- Profits are still relatively low.
- Owners want flexibility in allocations.
- There are special allocations, preferred returns, or varying ownership economics.
Downside:
- Generally, active members pay self-employment tax on business earnings.
C corporation
Usually makes sense if:
- Outside investors or venture capital are expected.
- Multiple stock classes are anticipated.
- Qualified Small Business Stock (QSBS) planning is important.
- Profits will be retained for growth rather than distributed.
Downside:
- Potential double taxation (corporate tax plus shareholder tax on dividends).
- Less attractive for many small owner-operated businesses.
Current QBI considerations
The QBI deduction still generally favors pass-through entities (sole proprietorships, partnerships, and S corporations), while C corporation income does not qualify. However:
- S corporation shareholder wages are excluded from QBI.
- Partnership guaranteed payments are also excluded from QBI.
- Higher-income taxpayers may face wage/property and specified service trade limitations.
Practical best practice (2026)
For most small businesses that are not planning institutional fundraising:
- Form an LLC.
- Begin with default taxation if profits are modest.
- Elect S corporation status once annual profits consistently justify the added compliance (often somewhere around $80k–150k of net income, though this varies based on payroll, state taxes, and accounting costs).
- Reevaluate if venture capital or significant outside equity financing becomes a realistic objective.
For clients actively seeking VC or angel rounds with the expectation of preferred stock and institutional investors, it is often cleaner to start (or convert early) to a Delaware C corporation rather than making an S election.
As a CPA or tax advisor, I typically recommend preparing a side-by-side projection comparing:
- Partnership/default LLC tax
- LLC taxed as S corporation (with a defensible reasonable salary)
- C corporation
using the client's expected profit, owner compensation needs, state tax rules, and long-term exit strategy before making the election. That often produces a clearer recommendation than relying on general rules of thumb.
