What it means
A contractor may need a performance guarantee before a customer awards work, so a bank agrees to pay the beneficiary under the guarantee's specified conditions while the applicant pays fees and may need collateral or a credit facility. HSBC describes performance, tender and advance-payment guarantees among its products, and a guarantee can substitute for cash security in some arrangements, though it still creates obligations and bank charges for the applicant.
Commission is often quoted as a rate on the guaranteed amount for a period, and some banks charge per quarter or part of a quarter, with a minimum, so always read the actual bank offer and tariff. A fictional bank quotes 1.5% per year on a 1,000,000-unit guarantee lasting eighteen months, with no minimum or other fee for this example, so simple prorated commission is 22,500 units, which is a teaching calculation, not a current bank quote.
The Standard Chartered Tanzania tariff dated March 2025 illustrates a different structure, with bank-guarantee issuing commission per quarter or part thereof, subject to a minimum, which is a market-specific example, not a global price. An eighteen-month quote cannot be calculated from an annual-rate shortcut if the contract uses quarter rounding.
Check whether the guarantee expires automatically, requires return of the original instrument or includes a claim period, because the fee period may run beyond the underlying work and a project end date is not necessarily the bank's liability end date. Amendments can add cost, as extending expiry or increasing the amount may trigger new commission and handling charges, so budget for likely project delays before accepting a narrow estimate.
A guarantee in foreign currency creates exchange exposure, since the commission may be billed in another currency or use a conversion rate, so ask the bank to state the fee currency and date basis. A beneficiary may require wording from a contract while the bank has its own acceptable form, and negotiating those terms can take time, so a low fee does not help if the guarantee cannot be issued before the bid deadline.
Commission is not the guaranteed amount, and a 1,000,000-unit guarantee does not mean a million is paid upfront to the bank, though collateral can tie up cash, so distinguish fees, collateral and contingent exposure. The Uniform Rules for Demand Guarantees, URDG 758, apply only when the instrument expressly says it is subject to them, so do not assume every guarantee follows those rules and read the specific wording for claims and expiry.
A fictional supplier compares a bank guarantee with a cash deposit, and the guarantee preserves liquidity but has commission and facility costs, so the better option depends on the contract and available credit. Bank pricing may include issuance, amendment, courier, correspondent bank and cancellation charges, so ask for an itemised estimate because a single advertised commission percentage may omit extras.
A minimum charge affects small guarantees disproportionately, since a 500-unit minimum can exceed a percentage calculation on a modest amount, so compare the greater-of rule if it appears in the quote. A bank may require cash collateral or reduce available borrowing capacity, and that opportunity cost belongs in the business decision even if it is not called commission, so finance should check facility headroom.
Accounting treatment depends on what the fee covers and applicable standards, and the commission should not be confused with a loan principal payment, so document guarantee dates and expense policy. A guarantee can be called under its terms, creating a reimbursement obligation to the bank, and the commission does not buy immunity from that liability, so before ordering, confirm beneficiary name, amount, currency, expiry, claim wording and all fees, then calculate commission from the actual tariff and period and add related charges and financing effects for a complete budget.
In practice
Real-world examples.
Example
A contractor pays issuance commission on a performance guarantee. The fee is charged for each quarter or part of a quarter that the guarantee remains open. The finance team budgets it as a project cost from the start.
Example
A supplier extends a guarantee and incurs an amendment fee. The project ran late, so the bank must reissue the instrument with a later expiry. The extension adds both new commission and a handling charge.
Example
A bank minimum makes a small guarantee more costly than a simple percentage suggests. The business asks for the greater-of rule in writing before applying. It then compares the effective rate across two banks.
Formula
Calculation
Illustrative prorated commission = guarantee amount x annual rate x covered months / 12, only when the bank quotes that basis and no minimum or rounding rule overrides it.
Worked example. A $1,000,000 guarantee at 1.5% a year for eighteen months gives $1,000,000 x 1.5% x 18 / 12 = $15,000 x 1.5 = $22,500.
Minimum charge example. A $20,000 guarantee for twelve months at 1.5% gives $20,000 x 1.5% = $300. If the quote states a greater-of rule with a $500 minimum, the commission payable is $500, an effective rate of $500 / $20,000 = 2.5%.Case study
Seen in the real world.
In this fictional case, North Build needs a $1,000,000 guarantee for eighteen months. Its assumed bank rate is 1.5% annually with simple proration, giving $22,500. Finance asks for actual issuance, amendment and collateral terms before accepting the quote.
It does not use the example as a bank price. North Build's finance lead also asks whether the bank will reduce available borrowing capacity while the guarantee is open. The answer shows that part of the working capital line will be tied up, so the project budget includes the cost of that lost headroom alongside the commission itself.
Watch out
Common mistakes.
- Assuming every bank prorates an annual rate.
- Ignoring minimum and amendment charges.
- Confusing commission with the guarantee amount or collateral.
Questions
People also ask.
Is the fee the same at every bank?
No. Tariff, customer risk and instrument terms vary.
What if a project runs late?
An extension may add commission and amendment charges.
Does paying commission remove claim risk?
No. The applicant may still owe the bank if the guarantee is called.
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