11/17/2025
It’s a juicy piece of low-hanging fruit: convert your LLC to an S corporation and save a ton on self employment taxes.
In many cases, this is excellent advice. But what if following that simple tip could trigger a six-figure tax bomb?
This isn't a hypothetical. This is a real case study of a client who came to us for tax planning, and it highlights the critical difference between generic tax advice and professional tax strategy.
Our client is a successful general partner in a family outdoor services business. He runs the day-to-day operations. His retired father owns the other half of the business as a limited (passive) partner.
Here’s the breakdown of his situation when he first walked into our office:
Before we go further, let's clear this up. When you're a W-2 employee, you pay a 7.65% FICA tax (Social Security and Medicare), and your employer pays the other 7.65%.
When you're self-employed, the IRS considers you both the employee and the employer. Therefore, you pay the entire amount: 15.3% (on the first $168,600 for 2024, then 2.9% on everything above that).
For our client, this was a significant, recurring hit: $150,000 (Guaranteed Payment) x 15.3% (SE Tax Rate) = $22,950
He was paying nearly $23,000 in SE tax every single year on top of his regular federal and state income taxes. His goal was simple: "How can I legally reduce this?"
The commonly recommended solution is, of course, the S-Corporation.
Here’s the S-Corp magic you hear about:
The simple approach would be to have the partnership file Form 8832 or 2553 and elect to be treated as an S-Corporation. This would, in theory, save him 15.3% on $80,000 of income—a savings of $12,240 per year.
So, why didn't we do this?
Because we did our due diligence. We looked at the partnership's balance sheet. When we did, a massive red flag—a $1.4 million landmine—was staring us in the face.
The partnership had $1.4 million in negative equity.
What is negative equity (or "negative basis")?
Think of it like an underwater mortgage on your house. Imagine your house is worth $600,000, but you have a $2,000,000 mortgage on it (perhaps from a large, debt-financed cash-out refinance). You have $1.4 million in "negative equity."
In a business, this often happens when a partnership takes on significant debt to operate or buy equipment, and the partners take distributions or are allocated losses that are funded by that debt. Over time, their "skin in the game" (their tax basis) can drop below zero.
Here is the tax law that makes this so dangerous: When you convert a partnership with liabilities (debt) to a corporation, the partners are "relieved" of those partnership debts. The new corporation assumes them. The IRS treats this "relief of debt" as if the partners were paid cash.
If the debt you are relieved of is more than your tax basis, the difference is instantly taxable as a capital gain.
For our client, converting the partnership to an S-Corp would have meant:
To save $12,000 a year, he would have had to pay six figures in taxes. It was a terrible trade-off.
This is where we add real value. The client was trapped. He couldn't convert the existing business. But he was still bleeding $23,000 a year in SE tax.
If you can't fix the old structure, you build a new one.
Instead of touching the partnership, we created a structure to work with it. Here was our recommendation, which we implemented immediately:
Step 1: The client forms a brand-new, 100%-owned Limited Liability Company (LLC). Let's call it "ClientCo, LLC."
Step 2: We immediately file Form 2553 to have ClientCo, LLC elect to be taxed as an S-Corporation.
Step 3: The client transfers his personal partnership interest in the services business to his new S-Corporation.
The New Structure:
Now, let's see how the money flows. Nothing has changed about the client's $150,000 compensation. But how it's taxed is completely different.
Let's look at the before-and-after.
By implementing this advanced (but 100% legal and IRS-compliant) structure, we:
This is the power of true tax planning. It's about deeply understanding the Internal Revenue Code and designing a structure that legally achieves the best possible outcome.
Don't let so-called common knowledge guide your most important financial decisions.
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Greg Tobias, Enrolled Agent
Admitted to practice before the Internal Revenue Service