What Is Correspondent Banking and How Does It Work?

Correspondent banking is a business relationship in which a financial institution provides banking services to another financial institution.

The institution providing the services is called the correspondent bank, while the institution receiving the services is known as the respondent bank.

These relationships are especially important when a bank needs to process transactions in a country or currency where it does not maintain a direct operational presence.

For example, a bank operating in India may need to send US dollars to a beneficiary in the United States. Instead of maintaining its own branch in the US, it can use the services of a bank with access to the US dollar payment system.

Correspondent banking arrangements commonly support:

• International wire transfers
• Foreign currency payments and settlements
• Cross-border trade transactions
• Cash management and liquidity services
• Certain cheque-clearing and trade finance services

The Financial Action Task Force (FATF) describes correspondent banking as the provision of banking services by one bank to another. These arrangements generally involve ongoing relationships rather than isolated transactions.

How Does Correspondent Banking Work?

Consider a hypothetical example.

A customer in India wants to transfer USD 5,000 to a business partner in the United States.

The customer holds an account with Bank A in India, while the recipient maintains an account with Bank B in the United States.

Bank A does not have a direct settlement relationship with Bank B but maintains a US dollar account with Correspondent Bank C.

The payment could follow these steps:

Step 1: The customer initiates the transfer

The customer provides Bank A with the beneficiary's banking information, payment amount and other required transaction details.

Bank A checks the payment instructions, available funds and applicable regulatory requirements.

Step 2: The sending bank prepares the payment

If the customer is paying in Indian rupees, Bank A arranges the necessary foreign exchange conversion according to its payment process.

It then prepares the international payment instructions.

Step 3: The correspondent bank processes the transfer

Bank A sends the payment through its correspondent banking arrangement with Bank C.

The correspondent bank processes the payment using the relevant account balances, payment instructions and settlement arrangements.

Step 4: The receiving bank receives the funds

The payment reaches Bank B through the relevant banking and payment infrastructure.

Bank B performs its necessary checks and credits the beneficiary's account.

Step 5: The payment is completed

The beneficiary receives the funds, potentially after the deduction of applicable charges.

This example is simplified. Actual payments may involve additional intermediaries, different message flows, separate foreign exchange transactions and several settlement arrangements.

Importantly, cross-border transfers generally involve changes to account balances rather than the physical movement of cash between countries.

What Are Nostro and Vostro Accounts?

Nostro and vostro accounts are central concepts in correspondent banking.

They describe an account relationship from the perspectives of the banks involved.

Nostro Account

Nostro comes from the Latin word for "ours".

A nostro account is an account that one bank holds with another bank, commonly in a foreign currency.

For example, if Bank A in India maintains a US dollar account with Bank C in New York, Bank A refers to that account as its nostro account.

Vostro Account

Vostro comes from the Latin word for "yours".

A vostro account is an account that a bank maintains on behalf of another bank.

In the same example, Bank C describes the account held on behalf of Bank A as a vostro account.

The same underlying account can therefore be described as nostro or vostro, depending on which bank is referring to it.

These accounts help banks maintain balances and settle obligations efficiently through established relationships.

Correspondent Banking vs Intermediary Banking

The terms correspondent bank and intermediary bank are sometimes used interchangeably, but they describe slightly different aspects of international banking.

A correspondent bank generally provides services to another bank under an established business relationship.

An intermediary bank is a bank involved in routing or processing a particular payment between the sending and receiving institutions.

A correspondent bank may act as an intermediary for a transaction, but the term intermediary focuses on the bank's role in the payment chain rather than the broader relationship.

In practice, the distinction depends on the transaction structure and applicable payment arrangements.

What Is the Role of SWIFT?

SWIFT, the Society for Worldwide Interbank Financial Telecommunication, provides secure financial messaging services used by banks and other financial institutions.

SWIFT is not itself a bank and does not directly hold or settle the funds involved in ordinary correspondent banking transfers.

Instead, it enables financial institutions to exchange standardized messages containing payment instructions and other financial information.

Correspondent banks use messaging networks, including SWIFT, alongside accounts and settlement systems to process international payments.

The distinction is important:

SWIFT communicates payment information, while banks and relevant settlement systems process the movement of funds through their accounts and infrastructure.

Not every international payment uses the same messaging network or correspondent banking route.

Why Is Correspondent Banking Important?

Correspondent banking supports several essential functions of the international economy.

1. Facilitating International Trade

Businesses regularly need to receive payments from customers or pay suppliers in other countries.

Correspondent banking allows financial institutions to facilitate these transactions even when they lack a direct presence in the countries concerned.

It can also support trade-related financial services, including certain documentary transactions.

2. Supporting International Remittances

Individuals working or living abroad frequently send funds to family members in other countries.

Banks and payment service providers may rely on correspondent banking relationships to complete these transactions.

3. Providing Access to Foreign Currencies

A bank does not need to participate directly in every foreign payment system to offer international services.

Through correspondent relationships, it can access foreign currency liquidity and payment infrastructure.

4. Connecting Smaller Banking Markets

Correspondent banking can be particularly important for smaller financial institutions and developing economies.

Without adequate international banking relationships, institutions may find it more difficult or expensive to facilitate foreign payments and international commerce.

What Are the Advantages of Correspondent Banking?

Correspondent banking provides several advantages to banks, businesses and customers.

Broader international reach: Banks can provide services across borders without opening branches or subsidiaries in every market.

Access to established infrastructure: Respondent banks can use the payment systems, expertise and market access of correspondent banks.

Support for international commerce: Businesses can conduct cross-border transactions through established banking relationships.

Operational flexibility: Banks can maintain arrangements with different correspondents based on currencies, markets and services.

Potential efficiency: Existing banking networks can be more practical than establishing a direct operational presence in every foreign jurisdiction.

However, these benefits depend on the quality, availability and cost of the underlying correspondent relationships.

What Are the Risks and Limitations?

Correspondent banking is essential, but it is not without challenges.

Compliance and Financial Crime Risks

Cross-border banking relationships can expose institutions to money laundering, terrorist financing, sanctions and other financial crime risks.

Banks must apply appropriate risk-based controls, customer and counterparty due diligence, and transaction monitoring.

The specific obligations vary by jurisdiction and the nature of the relationship.

Higher Transaction Costs

International transfers may involve multiple institutions, each with its own operational costs and potential service charges.

Customers may encounter transfer fees, intermediary deductions and foreign exchange margins.

A longer payment chain can increase costs, although the final expense depends on the payment route and fee arrangements.

Processing Delays

Different banking hours, public holidays, compliance checks, incomplete instructions and settlement arrangements can affect payment processing.

An international payment may therefore take longer than a comparable domestic transfer.

However, processing speed varies considerably, and not every correspondent banking transaction experiences significant delays.

Liquidity and Settlement Risks

Banks must manage available balances in the currencies and accounts used for correspondent banking transactions.

Insufficient liquidity, counterparty problems or settlement disruptions can create operational and financial difficulties.

Dependence on Correspondent Institutions

A respondent bank may rely heavily on a limited number of international banking partners.

If one of these institutions restricts or terminates its services, the respondent bank may need alternative arrangements to maintain cross-border payment access.

Why Are Some Correspondent Banking Relationships Declining?

One important development in international banking has been the reduction of certain correspondent banking relationships.

Sometimes referred to as de-risking, this occurs when financial institutions restrict or terminate relationships to reduce their exposure to perceived compliance, financial crime or commercial risks.

Banks may withdraw from particular markets because of higher compliance costs, insufficient transaction volumes, profitability concerns or difficulties assessing and managing risks.

From an individual bank's perspective, these decisions may reflect legitimate risk management and commercial considerations.

However, widespread withdrawal can create broader problems.

Banks in developing economies, smaller markets and certain regions may face reduced access to international payment services.

This can make international transfers more expensive or complicated for businesses and individuals.

International organizations, including the FATF and the United Nations Conference on Trade and Development (UNCTAD), have examined the consequences of declining correspondent banking relationships.

The challenge is to maintain appropriate financial crime controls while preserving legitimate access to international financial services.

Effective risk management requires assessing actual risks rather than automatically excluding entire countries, sectors or customer categories.

Is Correspondent Banking Becoming Obsolete?

International payment systems are evolving, but correspondent banking remains an important component of global banking infrastructure.

Several developments are changing the way cross-border transactions can be processed.

Modern payment messaging: Greater adoption of standardized financial messaging and structured data can improve interoperability and reduce processing errors.

Faster payment system connections: Projects linking domestic payment systems may enable faster cross-border transfers along supported corridors.

Fintech and payment service providers: New business models can offer customers alternative ways to initiate and receive international payments, although some providers continue to rely on banking relationships behind the scenes.

Tokenization and digital settlement technologies: Central banks and financial institutions are exploring new infrastructure that could simplify payment and settlement processes.

These developments could reduce certain costs and dependencies associated with traditional correspondent banking.

Nevertheless, technical innovation does not eliminate the need for regulatory compliance, liquidity management, trusted counterparties and sound settlement arrangements.

The future may involve a combination of correspondent banking, interconnected payment systems and newer forms of financial infrastructure.

Frequently Asked Questions

Is correspondent banking legal?

Yes. Correspondent banking is an established and regulated banking activity. Banks must comply with applicable laws, regulatory obligations and risk management requirements.

Can individuals open a correspondent banking account?

Correspondent banking arrangements are generally established between financial institutions. Individual customers normally access international payment services through their own banks or payment providers.

Does every international transfer require a correspondent bank?

No. Some transfers can be completed through direct banking relationships, connected payment systems or alternative arrangements. The route depends on the institutions, currencies and payment infrastructure involved.

Why do international transfers sometimes involve several banks?

The sending and receiving institutions may not maintain direct accounts with each other or have access to the same payment infrastructure. Additional banks may therefore be required to route and settle the transaction.

Is SWIFT the same as correspondent banking?

No. SWIFT provides financial messaging services, while correspondent banking describes arrangements through which banks provide services to other banks.

Are nostro and vostro accounts different accounts?

They can refer to the same underlying account viewed from different perspectives. The account-owning bank refers to it as nostro, while the servicing bank refers to it as vostro.

Conclusion

Correspondent banking connects financial institutions across countries, currencies and payment systems. It enables international transfers, supports global trade and gives smaller banks access to foreign banking services.

At the same time, these arrangements introduce costs, compliance responsibilities, operational dependencies and settlement risks.

Understanding how correspondent banks operate helps explain why international payments can involve several institutions, why transfer costs vary, and why access to reliable banking relationships matters for the global economy.

As payment infrastructure develops, correspondent banking will continue to adapt. Its future role will depend on how banks, regulators and payment networks balance efficiency, security, financial inclusion and international connectivity.

References and Further Reading

1. Bank for International Settlements (BIS) — Correspondent Banking, Committee on Payment and Market Infrastructures (2016). https://www.bis.org/cpmi/publ/d147.pdf
2. Bank of England — Cross-Border Payments. https://www.bankofengland.co.uk/payment-and-settlement/cross-border-payments
3. Financial Action Task Force (FATF) — Guidance on Correspondent Banking Services. https://www.fatf-gafi.org/en/publications/Fatfrecommendations/documents/correspondent-banking-services.html
4. UN Trade and Development (UNCTAD) — Correspondent Banking Relationships and Trade (2024). https://unctad.org/publication/correspondent-banking-relationships-and-trade
5. Bank for International Settlements — The Next-Generation Monetary and Financial System (2025). https://www.bis.org/publications/aer-2025/next-generation-monetary-financial-system

Editorial note: This article is intended for general financial education. Specific banking procedures, processing times and regulatory requirements vary by institution and jurisdiction.