How Much Could S-Corp Status Save You?

As a sole proprietor, 100% of your net profit is subject to self-employment tax (15.3% up to $184,500, then 2.9%). As an S-Corp, you split profit into salary (subject to SE tax) + distributions (NOT subject to SE tax). The savings come from distributions escaping that 15.3% SE tax. The IRS requires the salary to be “reasonable” — typically 50-70% of net profit for service businesses. The distributions portion pays regular income tax but escapes the self-employment tax entirely.

S-Corp typically isn't worth it when: (1) Net profit is below $40,000-50,000/year — admin costs exceed savings. (2) Your state has high S-Corp fees (California charges a minimum $800/year S-Corp fee plus 1.5% of net income). (3) You have business losses — more complex to utilize than sole prop losses. (4) You want VC funding — investors typically require C-Corp structure. (5) You want multiple share classes or international shareholders — S-Corps are limited to 100 shareholders, all US persons, one share class.

Yes — this is the most common setup. A single-member or multi-member LLC can elect S-Corp taxation by filing IRS Form 2553. The LLC keeps its legal structure and liability protection but is treated as an S-Corp for federal taxes. You get the pass-through simplicity of an LLC plus the SE tax savings of an S-Corp. Most attorneys and CPAs recommend this structure over forming a separate S-Corp corporation.

Important: the IRS has NO published percentage or safe harbor for reasonable salary — the "50-70% of net profit" guideline is CPA convention, not an IRS rule. The IRS looks at: what you'd pay a comparable employee for the same work, industry salary surveys, your company's profitability and your time contribution. Most CPAs target 50-70% of net profit for solo service businesses as a starting framework, but this should be validated with a CPA for your specific industry. Too low = IRS audit risk. Too high = no tax benefit. Important: your salary must be run through payroll (with payroll taxes withheld), not just paid as a distribution. Get a CPA to help set this number for your specific industry.

File IRS Form 2553 (Election by a Small Business Corporation). For the election to apply in the current tax year, file within 75 days of the start of the tax year — by March 15 for calendar-year businesses. If you miss the deadline, you can often get late election relief under Rev. Proc. 2013-30 by showing “reasonable cause.” A CPA can typically file Form 2553 for $300-$600. Once elected, the status continues until revoked — you don't re-file each year.

Typical annual S-Corp costs: (1) Payroll processing: $500-$2,000/year (to run your own salary through payroll). (2) Additional accounting: $1,000-$3,000/year for Form 1120-S preparation (above and beyond your personal return). (3) State filing fees: $300-$800/year in most states (California is $800 minimum plus 1.5% of net income — unusually high). (4) Workers' comp insurance (may be required in your state even as a sole owner). Total: $1,500-$5,000/year in a typical state. This is why S-Corp doesn't make sense below ~$50,000 in net profit.

The Section 199A Qualified Business Income (QBI) deduction allows eligible self-employed and pass-through business owners to deduct up to 20% of qualified business income. For S-Corps, QBI is generally the net income allocated to you minus your W-2 salary. For sole proprietors, QBI is net profit. The interaction is complex: at higher income levels, S-Corp election can reduce your QBI deduction while increasing SE tax savings — sometimes the two partially offset each other. At lower income levels (under ~$191,950 in 2026 for single filers), QBI typically phases in fully regardless of business structure. A CPA should model both scenarios for you.

The sweet spot is typically $80,000-$250,000 in net profit. Below $50,000: admin costs wipe out savings. $50,000-$80,000: marginal benefit, worth doing if you'll be there consistently. $80,000-$250,000: strong savings of $5,000-$15,000/year. Above $250,000: S-Corp savings plateau because Social Security SE tax caps out at $184,500 in wages, and you're only saving Medicare (2.9%) on the remaining salary vs distributions. The calculator above shows your specific break-even point based on your actual numbers.

The Qualified Business Income (QBI) deduction lets eligible pass-through business owners deduct up to 20% of qualified business income — but S-Corp W-2 salary does not count as QBI. Only the distribution/profit portion does. This creates a tradeoff: shifting more income to salary reduces your SE tax but also shrinks the QBI-eligible distribution, slightly reducing your 20% QBI deduction. As of 2026, the One Big Beautiful Bill Act made the QBI deduction permanent (it was previously set to expire after 2025). A CPA should model both the SE tax savings and the QBI impact together — the optimal salary split varies depending on your total income and filing status.

The One Big Beautiful Bill Act, signed in 2026, made two key changes affecting S-Corp owners: (1) The Section 199A QBI deduction was made permanent — it was previously set to expire after 2025, creating uncertainty for long-term business planning. (2) A new $400 minimum QBI deduction was added for eligible taxpayers with at least $1,000 in qualified business income who materially participate in their business. This is a brand-new benefit that most competitor content hasn't addressed yet. If you have an S-Corp or are considering one, confirm how these changes affect your specific situation with a CPA since the legislation is new and interpretations are still evolving.

Yes — this is the most common setup. A single-member or multi-member LLC can elect S-Corp tax treatment by filing IRS Form 2553. The LLC keeps its legal structure and liability protection but is taxed as an S-Corp for federal purposes. Most self-employed people pursue "LLC electing S-Corp status" rather than forming a separate S-Corp corporation. The process: (1) Confirm your LLC is eligible (US members only, 100 or fewer, one class of stock). (2) File Form 2553 by March 15 for the current tax year. (3) Set up payroll for your reasonable salary. (4) File both a personal return and Form 1120-S each year.

Yes — California is the most expensive state for S-Corp election. California S-Corps pay: (1) The $800/year minimum franchise tax (applies even if the S-Corp shows no income). (2) An additional 1.5% tax on net income (Form 100S, FTB) — this is on top of the $800 minimum and is often overlooked. (3) California does not fully conform to federal S-Corp rules. For a California S-Corp with $100,000 net income: $800 + $1,500 (1.5% on $100K) = $2,300/year in CA-only S-Corp costs, before any payroll or accounting fees. This significantly changes the California breakeven math compared to other states — many CA-based business owners find S-Corp election requires $90,000-$120,000+ in net profit to justify.