Meta description: ACH payments allow secure, low-cost bank-to-bank transfers. Learn how businesses can use ACH to streamline payments, enhance reliability and support better cash flow.

The Automated Clearing House, commonly known as ACH, is a US based payment network that enables electronic transfers between bank accounts and credit unions. It provides businesses with a secure and cost-efficient way to move funds, making it a widely used solution for companies operating in the United States.

ACH payments have become a dependable option for organisations looking to simplify their payment processes and improve operational efficiency.

Data from NACHA, the body that oversees the ACH network, highlights the scale of its usage in 2025:

• Business-to-business payments reached 8.08 billion transactions, totalling USD 63.11 trillion
• Person to person payments accounted for 469.66 million transactions, totalling USD 775.72 billion
• Consumer bill payments and other debit transactions reached 17.17 billion, totalling USD 12.04 trillion
• Direct deposits totalled 8.74 billion payments, equating to USD 16.5 trillion

This article explores what ACH payments are, how they function, how they differ from other transfer methods and the advantages they offer to businesses.

What are ACH payments?

An ACH payment refers to the electronic transfer of funds between accounts held at different financial institutions through the ACH network.

This method is commonly used for paying bills, settling invoices and processing payroll. It plays an important role in automating financial operations, reducing manual workload and offering a cost-effective solution for domestic US payments.

Types of ACH transactions

ACH credit payments

In an ACH credit transaction, the payer initiates the transfer by authorising their bank to send funds to the recipient’s account. The money is effectively pushed from one account to another.

A typical example is salary payments, where an employer transfers wages directly into employees’ accounts.

ACH debit payments

With ACH debit transactions, the recipient pulls funds from the payer’s account after receiving authorisation.

This approach is often used for recurring payments such as utility bills or subscription services, where funds are automatically collected at agreed intervals.

How do ACH payments work?

ACH payments follow a structured process to ensure funds are transferred securely and accurately. Unlike real time payment methods, ACH transactions are not instant. Standard processing typically takes between one and three business days, although same day options are available in some cases.

Delays may occur during weekends or public holidays, depending on the institutions involved.

Payment initiation

The process begins when a customer or business authorises a payment from their bank account.

Request submission

The payment request is sent to the originating bank, which forwards it to the ACH network along with other transactions.

Batch processing

Transactions are grouped and processed in batches at set intervals throughout the day rather than individually in real time.

Clearing and settlement

The ACH network routes the payment to the receiving bank, which verifies account details and checks available funds.

Completion

Once approved, the funds are transferred. This may involve crediting the recipient’s account or debiting the payer’s account, depending on the transaction type.

Which industries use ACH payments the most?

ACH payments are highly versatile and support a range of business applications:

Recurring payments: Ideal for subscription services, memberships and regular billing cycles.

Payroll processing: Widely used for direct deposit, enabling efficient and automated salary payments.

Business-to-business payments: A cost-effective option for settling invoices between companies.

Government payments: Commonly used for tax refunds, benefits and other official payments.

Non-profit donations: Supports recurring contributions, making it easier for organisations to manage fundraising.

What is the difference between ACH payments and bank transfers?

While both ACH and wire transfers enable electronic fund movement, there are several important differences.

Geographic scope

ACH payments are limited to the United States, whereas wire transfers can be used globally.

Cost

ACH transactions are generally lower in cost, making them attractive for frequent or recurring payments. Wire transfers tend to carry higher fees, sometimes reaching up to USD 50 per transaction.

Processing speed

Wire transfers are typically completed on the same day, including for international payments. ACH payments usually take one to three business days, although faster options are increasingly available.

Security

Both methods use robust security protocols. ACH payments rely on encryption and authentication, while wire transfers are processed individually and are usually irreversible once completed, which can increase risk if errors occur.

What are the benefits of ACH payments?

Recurring billing efficiency

ACH enables automated recurring payments, reducing manual administration and helping minimise late or missed payments.

Improved customer retention

Providing familiar and convenient local payment options can enhance customer satisfaction and strengthen loyalty.

Fewer payment errors

Automation reduces the likelihood of manual mistakes, such as incorrect details or failed payments, improving overall operational efficiency.

What are the downsides of ACH payments?

Limited international capability

ACH is primarily designed for domestic US transactions. While international variants exist, they are less commonly supported and may require additional processes.

Slower access to funds

Processing times can be longer compared to real time payment methods, which may not suit businesses that require immediate liquidity.

Transaction limits

Some financial institutions impose caps on ACH transfers, which can restrict high value or high frequency transactions.

Trends in ACH payments

Growing transaction volumes

NACHA data shows that ACH payment volumes increased by nearly 4.9% in 2025, reaching 35.2 billion transactions. The total value rose to USD 93 trillion, marking a 7.9% year on year increase.

This continued growth suggests rising adoption among both businesses and consumers, particularly for recurring payments such as salaries, bills and subscriptions.

Expansion into cross border payments

Although traditionally domestic, ACH is gradually expanding into international use cases. International ACH transactions are emerging as a cost alternative to wire transfers.

To support this, NACHA has collaborated with the Office of Foreign Assets Control to enhance data requirements, improving transparency and regulatory compliance. This development could reshape aspects of the global payments landscape over time.

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This article is based on the original article that was published by emerchantpay​ and has been published on our website with permission.

emerchantpay is a member of our Payment Service Provider Panel.

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