Supply Chain Finance and Export Credit: A Guide for Internationally Trading Businesses

For businesses with cross-border trade — whether importing goods from Asia, exporting to the Middle East, or operating supply chains that span multiple continents — trade finance instruments are essential tools for managing working capital, mitigating payment risk, and unlocking credit that standard overdraft facilities cannot provide.

This guide covers the principal instruments: letters of credit, supply chain finance (reverse factoring), banker's acceptances, trade credit insurance, and the UK government's export credit support through UK Export Finance. The audience is owner-managed and family businesses with international trading operations — typically the kind of business whose banking relationship sits with a corporate or business banking team, or in some cases with a private bank where the business and personal wealth are managed together.

Working Capital: The Core Problem in Trade

The tension in international trade is straightforward. A UK company importing goods from a manufacturer in Vietnam needs to pay the manufacturer — perhaps 30-60 days after shipment, sometimes before. The UK company's customer, meanwhile, may expect 60-90-day payment terms. The gap between paying the supplier and being paid by the customer creates a working capital requirement that must be funded somehow.

Multiply this across a growing business with multiple suppliers and customers, add currency risk, add the potential for supplier default or non-delivery, and add the risk of customer insolvency before payment is received, and you have the full complexity that trade finance instruments are designed to address.

Letters of Credit

A letter of credit (LC) is an undertaking by a bank (the issuing bank, typically the buyer's bank) to pay the seller a specified amount, provided the seller presents documents confirming that the goods have been shipped in accordance with the contract.

In its simplest form:

1. Buyer and seller agree a trade contract.
2. Buyer instructs its bank to issue an LC in favour of the seller.
3. Seller ships the goods and presents shipping documents (bill of lading, commercial invoice, packing list, certificate of origin, insurance certificate) to its own bank (the advising or confirming bank).
4. If documents conform, the seller's bank pays the seller and is reimbursed by the issuing bank.
5. The issuing bank debits the buyer's account.

Irrevocable LC: once issued, cannot be cancelled or amended without the consent of all parties. Standard for commercial transactions.

Confirmed LC: the seller's bank (confirming bank) adds its own payment undertaking, meaning the seller is relying on two banks rather than one. This is particularly valuable when the buyer's bank is in a country with political or sovereign risk.

Standby LC: used as a guarantee mechanism — the LC is drawn only if the buyer defaults, rather than as a payment instrument for every transaction.

Letters of credit reduce both sides' risk: the buyer knows payment will only be released when specified documents confirming shipment are presented; the seller knows it will receive payment once it ships. The cost — typically 0.5-3% of the transaction value per annum — is the price of this mutual assurance.

Documentary Collections

A cheaper but less secure alternative to letters of credit. The seller ships goods and instructs its bank to send shipping documents to the buyer's bank, which releases them to the buyer only against payment (Documents against Payment, D/P) or against acceptance of a bill of exchange payable at a future date (Documents against Acceptance, D/A).

The key difference from an LC: the banks act as collecting agents but do not guarantee payment. If the buyer refuses to take up the documents and pay, the seller is left with goods it cannot reclaim and no payment. Documentary collections suit established trading relationships where the risk of buyer default is low and the cost saving over an LC is worthwhile.

Banker's Acceptances

A bill of exchange (a promise to pay a specified amount at a future date) that has been "accepted" by a bank — meaning the bank has agreed to guarantee payment at maturity. This transforms the bill from a claim on the buyer into a claim on the bank, which is a more creditworthy and negotiable instrument.

Banker's acceptances are used primarily in commodity trade (bulk agricultural goods, metals, energy) and have declined in significance in some markets due to the rise of alternative trade finance instruments. They remain important in US and Asian trade finance contexts.

Supply Chain Finance (Reverse Factoring)

Supply chain finance is a bank- or platform-arranged programme in which the buyer (typically a large, creditworthy company) instructs its bank to offer early payment to its suppliers.

The mechanics:

1. The buyer approves an invoice from a supplier.
2. The bank (or fintech platform) offers the supplier early payment of the approved invoice — typically at a discount reflecting the buyer's credit rating rather than the supplier's (which may be considerably less creditworthy).
3. The supplier accepts early payment at a small discount.
4. The buyer pays the bank on the original invoice due date — which may be 60, 90, or 120 days later.

For the supplier: improved cash flow without the cost of a bank loan. For the buyer: extended payment terms without damaging supplier relationships. For the bank: fee income.

Major banks operating supply chain finance programmes in the UK include HSBC, Lloyds, Barclays, and Standard Chartered. Fintech platforms including Taulia, PrimeRevenue, and C2FO operate independently.

Accounting treatment: supply chain finance has attracted regulatory attention. If the buyer's payables under the programme are classified as financial debt rather than trade payables, this can affect leverage ratios and covenant compliance — a point that led to significant accounting controversies in companies including Greensill Capital's clients.

Trade Credit Insurance

Trade credit insurance protects businesses against the risk that their customers fail to pay — due to insolvency, protracted default, or, for export transactions, political or sovereign risk.

The major trade credit insurers globally are Allianz Trade (formerly Euler Hermes), Atradius, and Coface. They assess the creditworthiness of a company's customer base, set per-buyer credit limits, and pay claims if a buyer fails to pay within a specified period after the due date (typically 90-120 days for insolvency; 180+ days for protracted default).

Benefits beyond indemnity: trade credit insurance is used by banks as the basis for invoice discounting and receivables finance. A bank lending against a company's receivables book prefers an insured receivable — it reduces the credit risk the bank is taking on. Insurance can therefore unlock banking facilities that would not otherwise be available.

Selective (single-buyer) vs whole-turnover: whole-turnover policies cover the company's entire debtor book (subject to per-buyer limits); selective policies can be arranged for specific high-value customers or specific transactions. Premiums vary significantly by geography, buyer credit quality, and sector.

UK Export Finance (UKEF)

UK Export Finance is the UK government's export credit agency, part of the Department for Business and Trade. UKEF does not lend directly to businesses but provides guarantees to banks and insurance to exporters, enabling transactions that the private market would not support.

Buyer Credit Guarantee: UKEF guarantees a loan provided by a UK bank to an overseas buyer purchasing UK goods or services. This enables the overseas buyer to purchase goods on credit terms with a UK bank's loan, supported by the government guarantee, reducing the UK exporter's credit risk.

Supplier Credit Financing Facility: UKEF can provide guarantees to banks financing a UK supplier selling to an overseas buyer on extended credit terms.

Export Insurance Policy: for transactions where no bank or insurer will cover the risk — politically risky markets, non-market economy buyers — UKEF can step in directly.

Small business support: UKEF's direct lending programme provides loans from £25,000 to £5m to UK SME exporters, alongside the general insurance and guarantee products.

UKEF's support is conditioned on a "UK content" test — the goods or services being exported must have significant UK content. Eligibility for specific products depends on the nature of the transaction, the destination country, and the buyer's profile.

Multi-Bank Trade Finance Platforms

The digitalisation of trade finance has accelerated. Platforms including Marco Polo, Contour, and the ICC's Distributed Document Standards project have sought to move letter of credit processing onto blockchain-based infrastructure, reducing the paper burden and the processing time that characterises traditional LC operations.

SWIFT's TradeService Utility and more recently SWIFT gpi have improved tracking and transparency for trade payments. Corporates with significant trade finance volumes should work with their banks to understand which digital trade platforms are available and whether they can reduce processing time and cost.

Choosing the Right Instrument

The right trade finance instrument depends on:

• Buyer-seller relationship: new relationship → LC; established relationship → documentary collection or open account (with or without insurance)
• Buyer credit quality: excellent → open account; uncertain → LC or insured
• Country risk: high-risk destination → UKEF, confirmed LC, trade credit insurance
• Transaction size and frequency: large, infrequent → bespoke LC per transaction; high-volume SME receivables → whole-turnover insurance with invoice discounting
• Working capital position: stretched → supply chain finance if you are the supplier; reverse factoring if you are the buyer

How Global Investments Can Help

Global Investments advises owner-managed businesses and entrepreneurs whose banking arrangements span personal wealth, business operations, and international trade. We work with specialist trade finance bankers, export credit advisers, and trade credit insurance brokers to ensure that the businesses our clients run have access to the full range of instruments for managing cross-border trade risk and working capital.

If your business is growing its international trading footprint and you find that standard banking facilities are not meeting your trade finance needs, we can help you identify the right institutions and products and structure your banking relationships to support your trading operations. Contact us to discuss your business's international trade finance requirements.