Imagine that a supplier invoice arrives. And while the amount due hasn’t changed, the cost to your business has.
For small businesses with international exposure, this might sound familiar. Exchange rates move constantly and even small fluctuations can affect payment costs, cash flow and profitability. Yet many businesses do not treat foreign exchange exposure as a material financial risk. Every international payment creates currency risk that can influence margins. As global trade continues to expand, currency exposure is a challenge for organisations of all sizes operating across borders. The question is not whether FX risk exists, but how it is being understood and managed.
The hidden cost of international payments
One major hidden cost is exchange rate movement between invoice and settlement, which is not always visible at the point of transaction.
Exchange rate movements are the most immediate factor. Even small fluctuations between invoice and settlement can alter the final cost of goods or services. Alongside this are less visible costs such as FX margins, intermediary banking fees and processing differences across payment networks. These can reduce cost transparency and make it harder to establish a true picture of international spend.
Settlement timing also plays a role. Delays in international payment networks can extend exposure to currency movements and might erode margins.
Individually, these factors may appear minor. Combined across multiple suppliers, markets and payment cycles, they can make a difference in financial performance.
How FX movements affect business performance
Most cross-border payments involve converting one currency into another. As exchange rates fluctuate, so does the cost of that transaction.
For example, a UK business agreeing to pay a €100,000 supplier invoice may budget for a cost of £80,000, as per the exchange rate at the time of the transaction. If sterling weakens before settlement, the final payment could exceed £83,000 despite no change in the invoice amount. While a few thousand pounds may seem manageable in isolation, the impact can quickly multiply across regular supplier payments, international payroll or overseas operating expenses.
The effect is not limited to costs. Businesses receiving revenue in foreign currencies can also experience fluctuations in the value of incoming payments, creating additional challenges for budgeting and financial forecasting.
This example is for illustrative purposes only and does not represent actual or future exchange rates.
What businesses can do
Businesses can take steps to better understand and manage their currency exposure. Having a clearer picture of total payment costs can help improve budgeting.
A good starting point is to identify where currency risk exists across the organisation. This could include payments to international suppliers, revenue earned in foreign currencies, overseas payroll commitments or any other transactions that involve exchanging one currency for another.
From there, businesses should assess the true cost of international payments by examining exchange rates, FX margins and transaction fees.
Many organisations dedicate time and resources to monitor currency movements and assess how changes in exchange rates could affect future cash flow and profitability. For businesses with international exposure, an FX risk management strategy may help protect margins and enable more confident decision making.
Why it matters
If you’re paying overseas suppliers, exchange rate movements are already affecting what you pay. The question is whether you know by how much.
Most small businesses treat FX as a fixed cost rather than a variable one. It isn’t. Rates move between the moment you agree a price and the moment you settle it. That gap can work in your favour or against it. Across multiple suppliers and payment cycles, it adds up.
You don’t need a formal treasury function to manage this. A useful starting point is understanding what you are paying on each international transaction, including the rate applied and any fees. That picture alone changes how you budget and plan.
Foreign exchange markets can be volatile and movements in exchange rates may result in increased costs or reduced revenue.
FX risk management strategies may reduce exposure but do not eliminate risk and may result in less favourable outcomes depending on market movements.
Disclaimer:
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This publication is provided for general information purposes and does not constitute legal, tax or other professional advice from Lumon or its subsidiaries, and it is not intended as a substitute for obtaining advice from the relevant professional services. We make no representations, warranties or guarantees, whether expressed or implied, that the content in the publication is accurate, complete or up to date.
Lumon Pay Ltd, trading as Lumon, is authorised by the Financial Conduct Authority as an Electronic Money Institution (FRN: 902022).
