Paying an overseas supplier looks like paying a domestic one with extra fields. It is not. Currency, cost, timing and verification all change, and each can quietly erode margin.
Paying an overseas supplier looks, on screen, like paying a domestic one with a few extra fields. It is not. Multi-currency supplier payments add four layers that domestic payments do not have, and each can quietly erode margin or open a gap in your controls. For any UK business with suppliers abroad, getting this right is worth real money.
The four things that change across borders
First, the exchange rate. The rate you are quoted is rarely the mid-market rate; the margin between them is a cost, and it is often larger and less visible than the explicit fee. Second, the fees themselves, which can be charged by your bank, intermediary banks, and the recipient's bank, sometimes leaving the supplier short and chasing the difference. Third, timing. Cross-border payments can take days to clear depending on the route and currency, which complicates cash flow and supplier relationships. Fourth, verification, which is harder when you cannot rely on UK tools like Confirmation of Payee and are dealing with IBANs, SWIFT and unfamiliar account structures.
Controlling the cost
The cost of a multi-currency payment is the FX margin plus the fees, and both are negotiable or avoidable. Compare the all-in rate, not the headline fee, across your options, because a zero-fee transfer with a wide FX margin can cost more than a fee-based one at a tight rate. Decide consciously who bears intermediary charges so the supplier receives the full invoiced amount and you avoid the back-and-forth that follows a short payment. And where you make regular payments in the same currency, look at whether holding a balance in that currency removes repeated conversion.
The verification problem
This is where cross-border payments are most exposed. UK fraud controls do not all extend abroad, and the cues you rely on at home, a familiar bank, a recognisable account structure, a Confirmation of Payee match, may be absent. Fraudsters know this, and international supplier payments are a favoured target precisely because verification is weaker. A change of bank details on an overseas supplier deserves at least as much scrutiny as a domestic one, and usually more.
The answer is not to avoid paying abroad, but to verify the supplier properly regardless of jurisdiction. That means confirming the legal entity, its ownership and its banking details at the source, and monitoring for changes rather than trusting a one-off check. A connected network applies the same verification standard to international suppliers as to domestic ones, so a verified counterparty carries that assurance whether it banks in Birmingham or Berlin.
Keeping it visible
Multi-currency payments are easiest to lose track of, scattered across bank portals and FX providers, reconciled late and reported in fragments. Bringing them into the same accounts payable process as domestic payments restores visibility: one view of who you are paying, in which currency, against which verified supplier, with the same payment behaviour data applied. See how the network handles supplier payments across currencies.
The takeaway
Treat international supplier payments as their own discipline, not an afterthought to domestic ones. Watch the all-in cost, not the headline fee. Verify the supplier to the same standard wherever it banks. And keep cross-border payments inside one visible, controlled process rather than a sprawl of separate tools. Done well, paying abroad becomes routine rather than risky.
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