Can You Buy a Business With Your IRA? The UBIT Trap

The technical yes, and what custodians don't say next

A self-directed IRA can hold stock in a private company, including the company that runs a car wash, a laundromat, or a small manufacturing shop. Custodians will open the account and process the paperwork for exactly that transaction. What most of them will not walk you through, before you wire the money, is what happens to the income the business generates and what happens to you personally the moment you try to run the thing. (source: IRA Advantage) I spent years signing off on QA jobs on a nuclear submarine before I spent years raising and losing capital in private markets, and both jobs taught the same rule: verify before you trust, downside first. Custodian marketing skips both steps here.

AIN has already mapped the disqualified-person list and the prohibited-asset rules that govern any self-directed IRA — see the self-directed IRA rules that can blow up your retirement for the full list and the excise-tax mechanics. This piece is narrower: it's about the specific act of using IRA money to buy an operating business, and the two traps that show up only in that scenario — active business income and your own labor.

Why an operating business is a different animal inside an IRA

A self-directed IRA is built to hold passive assets: real estate that collects rent, private equity interests that distribute profit, notes that pay interest. An operating business, one that sells a product or service and generates active trade or business income, gets taxed differently once it sits inside a tax-exempt account. Once the business is running, that active income is typically unrelated business taxable income (UBTI), and the tax on it, unrelated business income tax (UBIT), is owed by the IRA itself, not by you personally. AIN has already mapped that trap in detail in UBTI and UBIT: The Hidden Tax Trap in Self-Directed IRA Alternative Investments, read that before you assume the only cost of getting this wrong is a penalty. The IRA can technically own the stock or the LLC interest. What determines whether the structure survives contact with the IRS is who is doing the work and how the income is classified once it flows to the account.

This is a separate question from the prohibited-transaction rules already covered in AIN's self-directed IRA guide. Prohibited transactions are about who the IRA can deal with. Active business income taxation is about what kind of income the IRA is allowed to earn without losing its tax-exempt character. Buying an operating business puts both questions in play at once.

Can I use my IRA for this without blowing up the account?

The part that ends most "buy a business with my IRA" plans is not the purchase. It's the plan to run the place. If you are the IRA owner and you also want to draw a salary, sign contracts, or manage day-to-day operations for a company your IRA owns, you are furnishing services to an entity your IRA holds, a per se prohibited transaction under the same disqualified-person rules AIN has already broken down in the self-directed IRA rules that can blow up your retirement. A custodian will let you buy the stock. No custodian can make that structure survive an audit if you are also the general manager collecting a paycheck from it.

An IRA-owned operating business has to be run by someone who is not you, your spouse, or your lineal family. That defeats the reason most people want to buy a business in the first place.

What custodians rarely mention: the 401(k) path built for owner-operators

There is a legal path into hands-on business ownership using retirement money, and it is not a self-directed IRA. According to IRA Advantage, a 401(k) plan can invest in anything other than collectibles, more room than a standard IRA has for this use case, and the structure combines a newly formed 401(k) plan with a C corporation: the 401(k) purchases stock in the corporation, and the corporation runs the operating business. Clients using this structure must personally own at least 5 percent of the corporation outside the plan, which is what allows the owner to also work in the business without the same self-dealing exposure that sinks the IRA-only version.

IRA Advantage's David Moore is blunt about the honest version of the answer: the strategy works, "but only when the transaction is structured correctly from the start." That's the whole trade. The honest answer to "can I buy a business with my IRA" is usually: not the way you're picturing it. The vehicle built for owner-operators is a 401(k) paired with a C corporation, not a self-directed IRA holding the stock directly.

IRA-owned business vs. the 401(k)/C-corp structure

	Self-directed IRA owns the business directly	401(k) + C-corp (rollover business startup)
Can you personally work in it	Very difficult without triggering self-dealing	Yes, once you personally own at least 5% of the corporation
What invests	The IRA itself	The 401(k) plan purchases C-corp stock
Collectibles restriction	Same restriction applies	Can invest in anything other than collectibles
Structuring requirement	Passive ownership only	Must be built correctly from the outset
Where the detail lives	AIN's SDIRA rules breakdown	Compare against SEP-IRA vs. Solo 401(k)

What it costs to get this wrong, or right

Custodian fees for a standard self-directed IRA are not the expensive part of this decision, but they are not nothing. The Entrust Group caps its own recordkeeping fees at $2,299 per year regardless of account size, noting "there is a cap on recordkeeping fees at $2,299 per year, so no matter how much your account grows, you know you will never pay more." A 401(k)/C-corp structure carries separate setup and administration costs on top of that, a conversation for a specialist in this exact structure, not a general SDIRA custodian.

What happens if you unwind it wrong

Getting the structure wrong doesn't just cost you the tax advantage. It can trigger the account penalties that apply to any early or improper distribution. According to SmartAsset, IRA withdrawals can generally begin without penalty at age 59½; taken earlier, they may be subject to both income tax and a 10% early withdrawal penalty. Required minimum distributions start at age 73, or 75 for people born in 1960 or later, and failing to take them correctly can trigger a 25% penalty on the amount that should have come out, per SmartAsset. None of that is specific to business-owning IRAs. It's the baseline penalty structure any deemed distribution lands on top of.

Common mistakes

• Assuming "self-directed" means "unrestricted." A self-directed IRA still answers to the same disqualified-person and prohibited-transaction rules as any other IRA. See AIN's rules breakdown.
• Planning to draw a salary from the business your IRA owns. This is the single most common way the structure fails.
• Skipping the 401(k)/C-corp comparison entirely. If active involvement is the goal, the IRA-direct route is usually the wrong tool before you even look at fees.
• Treating custodian fee schedules as the only cost. The Entrust fee cap covers recordkeeping, not the legal and structuring work a 401(k)/C-corp setup requires.
• Not reading the setup requirements before funding anything. IRA Advantage's David Moore is direct about the sequencing: this only works when it's structured correctly from the start. After the money moves is too late to fix it.

FAQ

Can I use my self-directed IRA to buy an existing business outright? Yes, an IRA can hold stock or an LLC interest in an operating business. The harder question is what you can do with that business afterward, specifically, whether you can work in it without triggering a prohibited transaction.

Can I work in a business my IRA owns? Generally, no. Not without risking the same disqualified-person violation that governs any self-dealing inside a self-directed IRA. A 401(k)/C-corp structure, where you personally own at least 5% of the corporation, is the path built for active involvement.

Is a 401(k) really different from an IRA for this purpose? Yes. According to IRA Advantage, a 401(k) plan can invest in anything other than collectibles and can be paired with a C corporation in a structure that allows personal ownership and involvement. Whether you're even eligible to open a solo 401(k) depends on your employment structure, see SEP-IRA vs. Solo 401(k).

What does it cost to set this up? Standard SDIRA custodian recordkeeping fees are capped around $2,299 a year at firms like Entrust. A 401(k)/C-corp structure adds separate setup and legal costs that a general SDIRA custodian won't quote you. That's a specialist conversation.

What happens if the structure is later ruled a prohibited transaction? The IRA can be treated as fully distributed, with ordinary income tax due plus a 10% early withdrawal penalty if you're under 59½, per the general penalty structure SmartAsset describes. See AIN's SDIRA rules piece for the excise-tax mechanics specific to prohibited transactions.

One action to take before you wire anything

Before you fund an IRA-owned purchase of an operating business, get a written answer from a retirement-plan attorney, not your custodian, on exactly one question: who will be running the business day to day, and does that person count as a disqualified person under your account. That single answer determines whether you need an IRA, a 401(k)/C-corp structure, or a different plan entirely.

That's step one. Step two: subscribe to the free AIN briefing. I write about the structures the custodian and the sponsor both have a reason not to mention, before you're the one who finds out the hard way.

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Educational content only. Not investment, tax, or legal advice. Not an offer or solicitation to buy or sell securities. Past performance does not guarantee future results. Private-market investments are illiquid and involve risk of loss, including total loss of capital. Consult qualified advisers. Angel Investors Network is not a broker-dealer or investment adviser.