A business paying suppliers abroad or receiving payments from foreign customers deals with cross-border transfers constantly. The costs are usually reviewed once, at the start, and never again.
That is a mistake, because the largest component of the cost is generally not the fee that appears on the statement.
| Visible cost | the transfer fee |
|---|---|
| Invisible cost 1 | the exchange rate margin |
| Invisible cost 2 | intermediary bank deductions |
| Invisible cost 3 | delay and reconciliation effort |
Where the cost actually sits
The exchange rate margin. When a payment involves a currency conversion, the rate applied is not the mid-market rate. The difference between the rate used and the market rate is a cost, and it is not itemised anywhere.
On a large payment, this margin frequently exceeds the transfer fee several times over.
The practical test is the one that cuts through all marketing: compare the amount the recipient actually receives, not the advertised fee. A provider charging no fee but applying a poor rate can be the most expensive option available.
Intermediary deductions. A payment often passes through one or more correspondent banks between sender and recipient. Each may deduct a charge.
This produces the familiar situation where a supplier reports receiving less than invoiced, and neither party can immediately say who took what.
The fix is to agree in advance who bears these charges. Payment instructions allow this to be specified, and if your supplier requires the full invoice amount, you must instruct that all charges are borne by you — otherwise the shortfall becomes a dispute on every payment.
Delay. Payments that take days rather than hours tie up working capital at both ends and can hold shipments. That has a cost even though it never appears as one.
The currency question for a pegged economy
An important point specific to operating in a jurisdiction with a currency pegged to the US dollar, covered more fully elsewhere on this site.
For US dollar transactions, exchange risk is effectively removed. That is a genuine and substantial advantage for a business trading with North American suppliers or customers.
But two qualifications matter and are often missed:
The peg does not protect against other currencies. A business importing from Europe or Asia still carries full exchange risk against those currencies. The stability applies to one pair, not to all.
A conversion still happens, and a margin is still applied. Even where the underlying rate is fixed, the bank's buying and selling rates differ. That spread is a cost on every conversion.
So the practical guidance is: hold accounts in the currencies you actually transact in where possible, so you convert once rather than repeatedly. A business earning US dollars and paying US dollar suppliers should not be converting in and out of local currency between the two.
Reducing the cost systematically
- Measure what you are actually paying — take three recent transfers and compare the rate applied to the market rate that day
- Compare providers on amount received, not on fees
- Batch payments where fixed costs apply per transaction
- Hold foreign currency accounts for currencies you both receive and pay
- Agree charge allocation with counterparties in writing
- Ask your bank for pricing — rates for business clients with regular volume are frequently negotiable and rarely offered unprompted
Point six is the least used and most immediately effective. Banks price to volume, and a customer who asks is treated differently from one who does not.
Practical controls worth having
- Dual authorisation for outbound payments above a threshold
- Verify changes to supplier bank details by telephone, using a number you already hold — not one supplied in the email requesting the change
- Keep the payment reference tied to the invoice, so reconciliation is straightforward
- Reconcile the bank weekly rather than monthly, so anomalies surface early
The second point protects against the most common fraud affecting importers and exporters: an email, apparently from a known supplier, notifying a change of bank account. The payment goes out correctly authorised, to the wrong destination, and recovery is rarely possible.
A single verification call, using a previously known number, defeats it entirely. Make it a rule that applies to every such request without exception, because the moment it becomes discretionary is the moment it fails.
Frequently asked questions
Where does the real cost of a transfer sit?
Usually in the exchange rate margin rather than the visible fee — the difference between the rate applied and the market rate is a cost that appears nowhere on the statement.
How should providers be compared?
By the amount the recipient actually receives. A provider charging no fee but applying a poor rate can be the most expensive option available.
Does a currency peg remove all exchange risk?
No. It removes it for the pegged pair only. A business importing from Europe or Asia still carries full exchange risk, and a conversion spread applies even on the pegged pair.
What is the most important payment control?
Verifying any change of supplier bank details by telephone on a number you already hold — never one supplied in the email requesting the change.
