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SBA guarantor requirements on acquisition loans, LLC borrowers and exceptions

Published October 25, 2026 · Rules checked against SBA and IRS sources as of October 2026

Short answer

Anyone who owns 20% or more of the borrower, directly or indirectly, must give an unlimited personal guarantee on an SBA loan, and spouses' and minor children's shares are added together for that test. In an acquisition, the 20% is measured on post-sale ownership. A selling owner who keeps under 20% in a partial change of ownership must guarantee the full loan for at least two years after final disbursement. Lenders can require guarantees from others too.

The personal guarantee is the part of an SBA loan that buyers most often underestimate. It's unlimited, it covers the whole loan, and it survives a sale unless the lender releases it. Here's who has to give one and how acquisitions change the math.

The core rule

Every SBA loan must be guaranteed by at least one individual or entity. Any individual with direct and/or indirect ownership of 20% or more must provide an unlimited full guaranty (SBA Form 148 or the lender's equivalent). Entities and trusts that own 20% or more guarantee too, and when a trust guarantees, the trustor must also guarantee personally. If nobody owns 20%, at least one owner must give a full unconditional guaranty.

Who guarantees, by post-sale ownership Post-sale ownership (illustration) A: 60% B: 25% C 10% D A and B own 20%+: unlimited full guaranty. C, a 10% investor: no SBA guaranty requirement (lender may still ask). D, A's spouse with 5%: guarantees in full, since spouses combined are 65%. Ownership is direct plus indirect, and spouses' and minor children's shares are combined.
Lenders can require other guarantors regardless of ownership, for example a key manager.

How acquisitions change it

The six-month lookback

Anyone subject to the guaranty requirement six months before the application stays subject to it even after reducing ownership below 20%, unless they completely divest before the application and sever every relationship with the business, including employment, for the life of the loan.

Other guaranty details

What it means in practice

If the business can't pay, the lender (and, after it pays the guaranty, SBA) can pursue guarantors for the full shortfall. That's in addition to any lien on your home taken as collateral. Plan your post-closing cash cushion with that in mind. For whether any way around it exists, see SBA loans without a personal guarantee.

The lender's guaranty worksheet

Most guaranty mistakes in acquisition files come from measuring ownership at the wrong moment or missing an indirect owner. A short worksheet in every file prevents both.

  1. List every owner of the borrower after closing, including owners of any holding company, with direct and indirect percentages.
  2. Add together the interests of spouses and minor children for the 20% test.
  3. Check the six-month lookback described above for anyone who reduced their stake before the application.
  4. In a partial change of ownership, identify any selling owner who keeps an interest and apply the seller guaranty rule.
  5. Record any additional guarantors the lender requires as a credit decision, separate from those SBA requires.

Then make sure the guaranty documents match the worksheet: the right people, signed, with the right form of guaranty, before disbursement. A guarantor missing at closing is far easier to fix than one discovered when the loan goes into liquidation.

Buyers can read what a personal guarantee means for them on OKtoBuy's personal guarantee guide.

Can you avoid a personal guarantee?

Not if you'll own 20% or more of the business. SOP 50 10 8.1 requires an unlimited full guaranty from every individual and entity with 20% or more direct or indirect ownership, and at least one full guaranty on every loan. Smaller owners usually don't have to guarantee, though the lender can require full or limited guarantees from anyone it considers important to the credit.

Buyers sometimes ask whether forming an LLC, using a holding company or bringing in a partner gets them out of the personal guarantee. The SBA rules are written to close those gaps.

Why structure doesn't avoid it

Indirect ownership through a holding company You HoldCo LLC Operating co. 100%100% Your indirect ownership: 100%. You guarantee; HoldCo guarantees too.
Entities that own 20% or more also give unlimited guarantees.

Where guarantees are lighter

Alternatives if a guarantee is a deal-breaker

Bring in more equity and seek a conventional or private lender that may accept a limited guarantee on a well-capitalized deal, or buy with a group where each member stays under 20% (understanding that at least one owner must still guarantee). For most first-time buyers, the honest answer is that the guarantee comes with the financing. See SBA personal guarantee rules and conventional acquisition loans.

Borrowing through an LLC

You can buy a business through a new LLC or holding company with an SBA loan, but the operating business must be the borrower or a co-borrower. If your entity buys the assets, it's the borrower; if it buys the stock and the target stays a separate company, your entity and the target are co-borrowers. Anyone owning 20% or more of the entity, directly or indirectly, guarantees personally, and entities owning 20% or more guarantee too.

Most buyers form an LLC to hold the business. That works with SBA financing; what matters is which entity signs as borrower and who guarantees.

Who signs, by structure

StructureBorrowerCo-borrower
Your new entity buys the target's assetsYour entityNone needed (target doesn't continue separately)
Your new entity buys 100% of the target's stock, target continues as a separate companyYour entityThe target business
You personally buy 100% of the target's stockThe target businessYou, signing the note jointly and severally

These follow the Initial Acquisition structures in Appendix 15. A 7(a) loan can't be made solely to an individual; the small business must be the borrower or co-borrower.

Holding company stock purchase You (guarantor) NewCo LLC Target Inc. 100%100% Co-borrowersNewCo and Targetsign the note
Every direct and indirect owner is disclosed and must meet citizenship rules.

Structures to avoid

Practical points

Related: guarantee rules and buying with a partner.

Common questions

Does my spouse have to guarantee my SBA loan?

If your spouse owns less than 20% but your combined ownership (plus minor children) is 20% or more, your spouse must guarantee in full. A non-owner spouse doesn't guarantee but may need to sign collateral documents for jointly held property.

Can I reduce my ownership below 20% to avoid guaranteeing?

Not easily. A six-month lookback rule keeps anyone who was subject to the guaranty requirement in the six months before the application subject to it, unless they fully divest and sever all ties with the business.

What's a limited guaranty?

A guaranty capped in amount or time, using one of the options in SBA Form 148L or the lender's equivalent. Lenders may require limited guaranties from people who aren't 20% owners.

Does the guaranty end when the business is sold?

Not automatically. The guaranty stays until the loan is repaid or the lender releases it. The selling-owner two-year guaranty in a partial change has its own release test.

If four partners each own 25%, do all four guarantee?

Yes. Each is a 20%+ owner and must give an unlimited full guaranty.

Related guides

Sources

  1. SBA SOP 50 10 8.1 with Technical Policy Updates (Guaranties; Appendix 15 guaranty rules)
  2. 13 CFR 120.160, Loan conditions
  3. SBA Form 148, Unconditional Guarantee
  4. 13 CFR 120.202, Loans for changes of ownership

This guide explains rules and practice in plain English. It isn't legal, tax or credit advice, and SBA and IRS rules change. Check the current SOP, regulations and your lender's requirements before you rely on anything here. Examples with made-up businesses are illustrations, not real deals.