In a perfect world, every business acquisition would be financed entirely by a bank at favorable terms. In the real world, SBA loans have limits, some businesses don't qualify for conventional financing, and buyers sometimes don't have enough equity to cover the required injection. Seller financing fills that gap — and even when it isn't strictly necessary, it's often strategically useful.
A seller note is simply deferred consideration: instead of receiving 100% of the purchase price at close, the seller accepts a portion as a promissory note that the buyer repays over time, with interest. This guide covers how seller notes work, their standard terms, when they're most valuable, and how to structure them so they protect you.
How a seller note works
At close, you pay the seller a portion of the purchase price in cash (from your equity and any bank financing). The remaining portion is documented in a promissory note — a legally binding obligation to pay the seller the outstanding balance plus interest over a defined repayment period. The seller note is typically secured by the business assets, subordinate to any senior SBA or bank financing.
In this structure, the seller receives $960,000 at close and a promissory note for $240,000. The buyer pays down the seller note over the agreed term, typically with monthly or quarterly payments of principal and interest.
Standard seller note terms
| Term | Typical Range | Notes |
|---|---|---|
| Note amount | 5%–20% of purchase price | SBA requires minimum 10% equity injection; seller note sometimes used to meet this when buyer cash is limited |
| Interest rate | 5%–8% per year | Negotiated; should reflect the risk the seller is taking as a subordinate creditor |
| Repayment term | 3–7 years | Longer terms reduce monthly payment burden; shorter terms satisfy the seller sooner |
| Payment frequency | Monthly or quarterly | Monthly is standard; quarterly sometimes used for seasonal businesses |
| SBA standby requirement | 24 months in many cases | SBA may require payments on the seller note to be deferred (on standby) for the first 24 months post-close |
| Security | Subordinate lien on business assets | Subordinate to SBA/bank financing; seller typically can't foreclose while senior debt is outstanding |
Why seller notes are strategically valuable — even when you don't need them
Incentive alignment
A seller who is owed $200,000 over the next five years has a strong financial incentive to support a successful transition. They'll be more likely to honor the transition period, make customer introductions, answer operational questions, and generally act as a cooperative partner rather than a former owner who has fully cashed out and moved on. This alignment effect is one of the most underrated benefits of seller financing.
Risk sharing when QoE findings create uncertainty
When a QoE report identifies a risk that can't be precisely quantified — a customer relationship that might not survive the transition, a contract renewal that's uncertain — a seller note provides a post-close mechanism for sharing that risk. If the risk materializes, the buyer may have grounds to offset the seller note payments (with proper legal documentation). The seller isn't fully cashed out, which means they retain more interest in outcomes that affect the buyer's ability to repay.
Bridging the valuation gap
When a buyer and seller have different views on value — the seller believes the business is worth more than the buyer's verified-earnings analysis supports — a seller note with a performance condition can bridge that gap. The seller gets their full price if the business performs as they claim; the buyer pays less if it doesn't. This is conceptually similar to an earnout but structured differently, and it's often more palatable to sellers than a pure price reduction.
Reducing equity requirement
For buyers who are stretching to meet the SBA's equity injection requirement, a seller note that counts toward the required equity contribution can make the difference between a deal that works and one that doesn't. Confirm with your SBA lender whether the seller note structure you're proposing qualifies toward the equity injection requirement — rules vary and the SBA's position on this has evolved.
The SBA standby requirement — what it means for deal structure
When SBA financing is involved, the SBA often requires that seller note payments be placed on "full standby" for a period — typically 24 months post-close. Full standby means the seller receives no principal or interest payments during the standby period. This reduces the buyer's near-term debt service burden (helpful for cash flow) but is a significant concession to ask of the seller (they've agreed to defer $200,000+ for two years).
Not all seller notes in SBA deals require full standby — the requirement depends on the buyer's DSCR, the loan structure, and the lender's interpretation of current SBA guidelines. Discuss the standby question with your SBA lender before you negotiate seller note terms with the seller. There's nothing worse than agreeing to note terms with the seller, then having your lender require changes at closing.
What to include in the seller note documentation
The promissory note should be drafted by your transaction attorney and include:
- Principal amount, interest rate, and amortization schedule
- Payment dates and method
- Prepayment rights (can you pay it off early without penalty?)
- Default provisions and cure periods
- Offset rights — under what circumstances, if any, can you reduce or withhold payments based on post-close findings or seller breaches
- Subordination agreement to senior lender (required by most SBA lenders)
- Security interest documentation
The offset rights provision deserves particular attention. If the seller has made representations in the purchase agreement that prove false post-close, you want the ability to offset seller note payments against your indemnification claim rather than paying the note while pursuing a separate lawsuit. This needs to be negotiated carefully — sellers resist broad offset rights — but some version of it is worth fighting for.
When seller financing isn't a good idea
Seller notes work well when the seller is cooperative, the business is stable, and the deal economics support the additional debt service. They're less appropriate when: the business is already cash flow-constrained and the additional payment burden creates real risk of default; the seller is uncooperative and the note creates ongoing contact with someone you'd rather not deal with; or the seller note is disguising a purchase price that doesn't work at the verified earnings level — and you're using deferred payments to make the numbers add up rather than renegotiating the price to reflect verified reality.
Ask: does this seller note create alignment between the seller and your success, or does it create an obligation that strains cash flow and keeps you financially entangled with someone who isn't adding value? The answer tells you whether the structure serves the deal or just papers over a pricing problem.
Structuring a deal with seller financing? The QoE report gives you the verified EBITDA and cash flow picture you need to model the total debt service — SBA loan plus seller note — against realistic earnings. Get a free consultation →