Most med spa owners start as a single-member LLC because it’s easy and cheap. Then revenue grows, the tax bill explodes, and someone mentions S-corp. The advice you’ll get online is half-right at best, because most generic S-corp vs LLC for med spa content ignores how med spas actually make money.
Here’s what the choice really comes down to, with the numbers that matter for a med spa.
What is the Difference Between an LLC and an S-Corp For a Med Spa?
An LLC is a legal structure; an S-corp is a tax election. A med spa LLC can choose to be taxed as a sole proprietor (default for single-member), partnership (default for multi-member), or S-corporation. The legal entity stays the same. What changes is how the IRS treats your income.
As a default LLC, all net income is treated as self-employment earnings and hits self-employment tax at 15.3% up to the Social Security wage base, then 2.9% Medicare above it. As an S-corp, only your W-2 salary gets payroll taxes; distributions on top of that don’t. That single mechanic is where most of the savings come from.
At what income level should a med spa elect S-corp status?
A med spa should usually consider electing S-corp status once net income reaches around $80,000 to $100,000. Below that, the additional payroll, bookkeeping, and tax prep costs of running an S-corp tend to eat the savings.
Above $100K in net income, the math starts working in your favor quickly. At $150K net income, the S-corp election typically saves $5,000 to $10,000 a year. At $300K, it’s often $12,000 to $20,000. The exact savings depend on what counts as a reasonable salary in your area, and that’s the part that needs a real tax conversation, not a calculator alone.
Run the numbers with our S-corp calculator to get a baseline.
How Much Does it Cost to Run an S-Corp for a Med Spa?
Running an S-corp for a med spa adds roughly $1,500 to $3,500 a year in compliance costs. That includes payroll processing (you have to run yourself on W-2 even if you’re solo), an extra tax return (Form 1120-S plus a K-1), and usually a bump in bookkeeping fees because the accounting becomes more structured.
Compare those costs to typical S-corp tax savings of $5,000 to $20,000 a year for a profitable med spa, and the math is clear in most cases. The deal-breakers are if your net income is genuinely under $80K, or if your state imposes its own franchise or S-corp tax that erodes the federal savings (California, Tennessee, and a few others fall in this category).
What is Reasonable Compensation for a Med Spa Owner under S-corp Rules?
Reasonable compensation is what someone in your role would be paid by an unrelated employer. The IRS doesn’t publish a number, but factors include your time spent on clinical work vs management, your local market for med spa managers and providers, your training, and your business’s revenue and profitability.
For a med spa owner who also injects, reasonable comp typically lands between $80,000 and $130,000 depending on geography and hours. For a non-clinical owner who manages the business, it can be lower, often $50,000 to $90,000. Setting salary far below market is the most common S-corp audit trigger, so this is a number worth defending with documentation, not vibes.
Do Multi-Owner Med Spas Need a Partnership LLC or an S-Corp?
Multi-owner med spas can choose a partnership LLC or an S-corp, and the right answer depends on ownership flexibility and exit planning. S-Corps require all shareholders to be U.S. individuals (with limited exceptions), only one class of stock, and pro-rata distributions, which limits flexibility.
Partnership LLCs allow special allocations, multiple classes of equity, and outside investors. For two equal partners both actively working in the spa, an S-corp election usually saves more in taxes. For three or more owners, owners with very different roles, or any plan to bring in outside capital, a partnership LLC tends to be more flexible.
State-level professional licensure rules also affect which structures are even available for medical practices, so a Montana tax pro who knows med spas should run the structure analysis before you file.
When Does it Make Sense to Keep a Med Spa as a Default LLC?
It makes sense to keep a med spa as a default LLC when net income is under about $80,000, when you’re in the first 1 to 2 years and revenue is unpredictable, or when state-level S-corp taxes wipe out the federal savings. Defaulting to a sole-prop LLC is also fine if you’re winding the business down or testing the model.
For a brand-new med spa burning cash on equipment and ramping clientele, the simpler default LLC structure with S-corp election timed to a profitable year is usually the cleaner play. You can elect S-corp status with Form 2553 up to 2 months and 15 days into the tax year you want it to apply (per IRS), so the door stays open as the spa grows.
How Do You Actually Elect S-Corp Status for a Med Spa?
You elect S-corp status by filing IRS Form 2553 with all shareholder signatures, generally by March 15 of the tax year you want it to apply. Late elections are possible under Rev. Proc. 2013-30 if you have reasonable cause, but it’s cleaner to file on time.
Once elected, you need to set up payroll for yourself, file Form 1120-S annually, and issue a K-1 to each owner. Your bookkeeping needs to keep distributions and salary separate, and your CPA will want quarterly check-ins to true up reasonable comp and estimated taxes. Done right, it adds maybe two hours of your time per quarter and saves significant payroll tax dollars annually for the most profitable med spas.
If you’re not sure where your med spa lands on the S-corp question, that’s a sign it’s time for a real conversation.
Reach out to Elevated Tax for a clear, no-pressure walkthrough of which structure fits your numbers.
