The most common sign is self-employment tax consuming a large chunk of your profit. If you’re operating as a sole proprietor or a single-member LLC, every dollar of net profit gets hit with 15.3% in self-employment tax. That covers both the employer and employee portions of Social Security and Medicare. On $80,000 in net profit, that’s over $12,000 before you even get to income tax.

When your net profit consistently lands above $40,000 to $50,000, an S-corp election often starts making financial sense. With an S-corp, you pay yourself a reasonable salary that still gets payroll taxes, but the remaining profit passes through as a distribution without self-employment tax. If your business nets $100,000 and you pay yourself a $50,000 salary, you’re only paying payroll taxes on the salary portion. The other $50,000 is still taxed as income but avoids that 15.3% hit. That can mean $7,000 to $10,000 in annual savings depending on your numbers.

But an S-corp isn’t automatically the right move. It requires running payroll, filing a separate business tax return, and meeting compliance requirements that add cost and complexity. If your profit is inconsistent or your business is still finding its footing, the added expense of payroll processing and an additional tax filing can eat into whatever you’d save. The math has to work in your favor after accounting for those costs.

Another red flag is that you set up your entity years ago and never looked at it again. A structure that made sense at $60,000 in revenue might not make sense at $250,000. Changes in profitability, adding employees, taking on partners, or shifting how you compensate yourself all affect whether your current structure is still the best fit. Businesses evolve and the tax strategy should evolve with them.

The only way to know for sure is to compare what you’re actually paying under your current structure against what you’d pay under a different one using your real numbers. This isn’t a calculation you can do reliably with online estimators because it depends on your specific profit level, other household income, deductions, and how you’d set a reasonable salary. Texas doesn’t have a state income tax, which simplifies things somewhat, but the federal picture is still complex enough that guessing usually leads to either overpaying or making a switch that doesn’t actually help.

A good starting point is reviewing your last business tax return and looking at your Schedule SE or the self-employment tax line. If that number makes you uncomfortable, it’s worth running the comparison. If your business has been growing steadily and you haven’t revisited your structure in two or more years, there’s a good chance you’re leaving money on the table.

Working with a Houston fractional CFO or tax professional who understands your business can help you model the scenarios and figure out whether restructuring actually saves money after compliance costs. The goal isn’t to chase the most complex structure. It’s to find the one that fits where your business is right now and where it’s headed next.