What are common LLC tax mistakes?

Asked by: Ozella Reilly II  |  Last update: June 22, 2026
Score: 4.5/5 (58 votes)

Common LLC tax mistakes include failing to separate personal and business finances, missing quarterly estimated tax payments, misclassifying workers as independent contractors instead of employees, and failing to file state/local taxes. Other frequent errors involve improper IRS Tax Classification (such as missing out on S-corp savings), forgetting to file annual reports, and neglecting to keep detailed records.

What are typical LLC mistakes?

Typical LLC mistakes include mixing personal/business finances, skipping an Operating Agreement, failing to maintain ongoing compliance (like annual reports), choosing the wrong state for formation, not having a Registered Agent, inadequate insurance, and mismanaging taxes or the EIN, all of which risk piercing the liability veil and creating legal/financial issues.

What happens if my LLC doesn't make any money?

Even if your LLC had no income, you're generally required to file an informational tax return. To resolve this:1. File any overdue returns immediately. 2. If you're a single-member LLC, report business activity on Schedule C of your personal Form 1040. 3. For multi-member LLCs, file Form 1065. 4.

What not to do with an LLC?

LLC Mistakes That Put Your Liability at Risk

  1. Letting Your Operating Agreement Fall Out of Date. Tap to unmute. ...
  2. Mixing Personal and Business Finances. ...
  3. Mixing Multiple Businesses Operations/Assets. ...
  4. Wrongful, Reckless or Fraudulent Actions. ...
  5. Undercapitalization of the Business.

What words should you avoid in an LLC?

8 Words to Avoid When Naming Your LLC

  • Include business entity identifiers such as "incorporated," "corporation," "Inc.," "limited liability company" or "LLC" as part of the name if the business is not actually incorporated. ...
  • Use a name that implies the LLC is a government entity, such as Federal, United States, etc.

Avoid These MISTAKES Before Starting an LLC!

33 related questions found

Can you write off expenses at LLC with no income?

If you were actively engaged in your trade or business but didn't receive income, then you should file and claim your expenses.

Can I pay myself a salary from my LLC?

Yes, an LLC owner can pay themselves through payroll, but it usually requires the LLC to elect to be taxed as an S corporation (S corp) or C corporation (C corp) and follow formal payroll procedures like withholding taxes and issuing W-2s. If the LLC remains a standard pass-through entity (treated as a sole proprietorship or partnership), owners typically take owner's draws or guaranteed payments, rather than a W-2 salary.

How long can an LLC go without making a profit?

An LLC can technically go without making a profit for years, even 5+, as long as you have capital to cover expenses and show a genuine intent to become profitable, but the IRS may reclassify it as a hobby after two or three consecutive years of losses, blocking you from deducting losses and expenses. To avoid this, you must actively demonstrate a profit motive through a solid business plan, good records, and actions showing you're trying to make money, not just have fun. 

What expenses are 100% tax deductible?

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.

Why is an LLC not in good standing?

The primary reasons a corporation or LLC loses its good standing status are: Failure to submit annual reports (or complete annual registration) on time. Failure to pay franchise taxes promptly.

What is the biggest benefit of an LLC?

Because an LLC is a separate entity, the owners of the company have limited liability. This is one of the most important benefits to operating as a limited liability company. Limited liability means that the individual assets of LLC members cannot be used to satisfy the LLC's debts and obligations.

What is the 6 month rule in business?

Simply put, if the decision were to go south, could your business afford to 'burn' cash for six months without going under? This is a critical safety net that protects your business's longevity. It's about acknowledging that not every investment will yield immediate returns and preparing for that reality.

What happens if my LLC makes no money?

An LLC may be disregarded as an entity for tax purposes, or it may be taxed as a partnership or a corporation. Even if your LLC has no income, you may be legally required to file taxes. There are other reasons besides legal compliance that you may want to file a tax return for an LLC with no income.

Should I pay myself as 1099 or W-2 from my LLC?

Paying yourself as an employee

However, if you are part of a multi-member LLC and ask for your business to be considered a corporation (such as an S-class or a C-class LLC), you must pay yourself as a W2 employee.

Can an LLC write off a car purchase?

Yes, an LLC can write off a car purchase as a business expense, either by deducting the full cost in the first year using Section 179 and bonus depreciation (especially for heavy SUVs/trucks over 6,000 lbs), or by deducting actual expenses (gas, insurance, repairs) or the standard mileage rate over time, provided the car is used more than 50% for business. The method depends on the vehicle type, usage, and tax strategy, requiring careful record-keeping of business vs. personal use. 

What are the biggest tax mistakes people make?

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.

Why shouldn't you put your name on your LLC?

Disadvantages of including your personal name in your LLC's name: Some personal names don't have a memorable or marketable quality to them. People might have trouble recalling the business name if the personal name within it is difficult to spell or if it is otherwise unremarkable and difficult to remember.

What all can I write off on my LLC?

LLC tax write-offs are ordinary and necessary business expenses you deduct from revenue to lower taxable income, including rent, salaries, insurance, marketing, utilities, and startup costs (up to $5,000 initially). Key deductions often overlooked include home office expenses, bank fees, vehicle use, education, and the self-employment tax deduction for single-member LLCs. Proper record-keeping, like separating finances and tracking mileage, is crucial for claiming these deductions.