The S Corp payroll tax loophole allows owner-employees to split their business income into a "reasonable" salary (subject to 15.3% payroll/FICA taxes) and shareholder distributions (not subject to payroll or self-employment taxes). By minimizing salary and maximizing distributions, owners save on Social Security and Medicare taxes, though they must still pay regular income tax on all earnings.
And while those salaries are subject to employment tax, those taxes are deductible by the S-corp. Advantages to the corporation are: You avoid IRS scrutiny and a potential audit. You can deduct salaries/wages and the associated payroll taxes as business expenses, which you can't do with distributions.
The "2% rule" for S Corporations treats shareholders owning more than 2% of the company's stock (or voting power) differently for fringe benefits, classifying them like partners in a partnership, not regular employees; this means benefits like health insurance premiums paid by the S Corp must be included as taxable wages on their W-2, rather than being tax-free, though the shareholder can often deduct these premiums as an "above-the-line" deduction. This rule prevents them from participating in tax-advantaged Section 125 cafeteria plans, making benefits like Health FSAs unavailable on a pre-tax basis.
The Complete List of S Corp Tax Deductions
A commonly touted strategy to set your S Corp salary is to split revenue between your salary and distributions — 60% as salary, 40% as distributions. Another common rule, dubbed the S Corp Salary 50/50 Rule is even simpler, with 50% of the business income paid in salary and 50% in profit distribution.
S-Corp reasonable salary is the market-rate compensation you must pay yourself before taking distributions, typically ranging from $40,000-$150,000+, depending on your role, industry, and location. The IRS requires this to prevent payroll tax avoidance, with penalties reaching 20% plus interest for non-compliance.
When you're an S corp owner with more than 2% of the company stock, you're treated the same as a self-employed person when it comes to deducting health insurance premiums. As a result, you can take advantage of the self-employed health insurance deduction.
However, while purchasing real property through an S-Corp is legal, there are serious tax implications at play. If your S-Corp owns a residential property and the property is subsequently distributed to a shareholder, including yourself, any financial gains on the property become taxable at an unattractive rate.
S Corp salary is W-2 compensation subject to payroll taxes (Social Security, Medicare), while distributions are leftover profits paid to owners (shareholders) that are not subject to payroll taxes, offering significant tax savings, but you must pay yourself a reasonable salary first, as excessive distributions disguised as salary can trigger IRS penalties. The key difference is tax treatment, with distributions saving on employment taxes, but the IRS scrutinizes this, often looking for structures that minimize salary to avoid FICA taxes, so paying a reasonable salary (often cited as 40-60% of total comp, but not a fixed rule) is crucial for compliance.
The biggest tax mistakes people make include filing late, math errors, incorrect personal info (like Social Security numbers), forgetting deductions/credits (like EITC), misreporting income, not signing forms, and making errors with bank details for direct deposit, all leading to delays, penalties, or missed savings, with using tax software or professionals helping avoid these common pitfalls.
Can I deduct 100% of my car expenses through my S Corp? You can only deduct the business-use percentage of your vehicle expenses. Personal use isn't deductible. If you use your car 80% for business, you can deduct 80% of actual expenses or claim 80% of your business miles at the standard rate.
Many business expenses are 100% deductible, including advertising, employee wages, rent, supplies, and certain business meals like company parties or meals for the public, while personal deductions like student loan interest or charitable donations (depending on the type) can also be fully deductible for individuals. The key is that the expense must be "ordinary and necessary" for your trade or business or meet specific IRS criteria, often differentiating from the 50% rule for client meals.
The 10 Most Overlooked Tax Deductions
Beating the 60% tax trap: top up your pension
One of the simplest ways to avoid the 60% income tax trap is to pay more into your pension. This is a win-win, because you reduce your tax bill and boost your retirement fund at the same time. Here's an example. You get a £1,000 bonus, which takes your income to £101,000.
Wages, dividends, bank interest, and other income received and that was reported on an information return should be entered carefully. This includes any information needed to calculated credits and deductions.
The "$1000 instant tax deduction" refers to a proposed Australian tax policy, specifically from the Albanese Labor government in 2025, allowing eligible workers to claim a flat $1,000 deduction for work-related expenses without needing receipts, simplifying tax returns for those with lower expenses but potentially costing those with higher expenses, starting from 1 July 2026. It's an option to replace itemised work-related deductions, not an extra refund, and doesn't affect non-work-related deductions like charity.