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What Is a Merchant Account and How Does It Work?
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What Is a Merchant Account and How Does It Work?
Last updated 06/11/2026
Last reviewed: October 2026. Fees, provider arrangements, and product availability can change.
A merchant account enables businesses to accept and settle credit and debit card payments. Unlike a business bank account, it supports payment processing rather than traditional banking. Some payment service providers (PSPs) bundle these functions, while others offer the key merchant account components separately.
What Is a Merchant Account?
A merchant account is a payment-processing arrangement that enables your business to accept credit and debit card payments. It works alongside an acquiring bank or payment provider to authorise, transfer, and settle funds into your business bank account.
What Does a Merchant Account Actually Do?
When you accept a card payment, the funds don’t automatically transfer into your business bank account. First, the transaction must be authorised and processed through a series of payment systems.
That’s where the merchant account comes in. It allows your acquiring provider to handle card-payment settlement before the funds reach your business bank account.
Unlike a merchant account, your business bank account is used for everyday financial activities, such as paying suppliers, managing expenses, and receiving settled payments.
Do All Businesses Get Their Own Merchant Account?
Not always, as there are two main arrangements:
Dedicated merchant accounts: Your business has its own acquiring arrangement, with terms and pricing agreed with the provider.
Aggregated accounts: Payment facilitators allow multiple businesses to accept card payments through a shared acquiring arrangement, without each business opening a separate dedicated merchant account.
Both support card-payment acceptance, but their contractual and operational arrangements differ.
How Does a Merchant Account Work?
A merchant account works alongside payment processors, acquiring banks, and card networks to support card payment authorisation and settle funds into your business bank account. Although the process involves several parties, most card payments are authorised within seconds.
Who Is Involved in Processing a Card Payment?
The main parties involved are:
Customer/cardholder: The person making the card payment.
Issuing bank: The institution that issued the customer’s card and decides whether to approve or decline the transaction.
Card scheme: Networks such as Visa and Mastercard that connect issuing banks and acquiring providers.
Acquirer/acquiring bank: The provider responsible for acquiring card transactions on your business’s behalf.
Payment processor: The service that processes and routes transaction information between the relevant parties.
Merchant: Your business, which accepts the payment.
Business bank account: The account that receives your settled payments.
Some payment providers combine several of these functions into one service.
The Card-Payment Process Explained
1. The customer makes a payment: Your customer presents their card at a terminal or enters their payment details through an online checkout. The information is transmitted securely.
2. The payment is sent for authorisation: The processor and acquirer route the request through the card scheme to the issuing bank, which checks whether the transaction can proceed.
3. The transaction is approved or declined: The issuer returns its decision through the payment network. An approved transaction does not mean the funds have reached your bank account.
4. Clearing and settlement take place: Approved transactions go through clearing and settlement via the acquiring arrangement. Depending on the provider, processing fees or adjustments may be deducted from the payout or charged separately.
5. Your business receives its payout: The provider transfers the funds to your nominated business bank account according to its settlement schedule
Simple payment-flow diagram
Customer
payment
Payment processing/ acquiring infrastructure
Card scheme and issuing bank authorisation
Clearing and settlement
Business bank account payout
Customer
payment
Payment processing/ acquiring infrastructure
Card scheme and issuing bank authorisation
Clearing and settlement
Business bank account payout
Do You Need a Merchant Account to Accept Card Payments?
Yes, to accept credit and debit payments, your business requires merchant acquiring functionality. However, that doesn’t necessarily mean you need your own dedicated merchant account. Depending on your business requirements, you may choose a traditional acquiring arrangement with a dedicated merchant account or use a payment service provider (PSP) that offers bundled payment services, potentially through an aggregated arrangement.
When Might You Need a Dedicated Merchant Account?
A dedicated merchant account may suit your business if you:
Process substantial or consistent card-payment volumes.
Want individually negotiated processing fees and contract terms.
Need specific settlement schedules, reporting, or integrations.
Prefer a separately contracted acquiring relationship.
Although they offer greater flexibility, dedicated arrangements aren’t automatically cheaper even if you’re a higher-volume business.
Can You Accept Payments Without a Separate Merchant Account?
Yes. Payment facilitators and some bundled PSPs allow you to accept card payments under a shared acquiring agreement. This is also known as an aggregated model and does not require you to open a dedicated merchant account.
Providers such as Square, SumUp and Stripe offer integrated payment services that simplify card acceptance. Acquiring arrangements, eligibility requirements and contractual terms may differ per provider.
You May Need a Payment-Acceptance Arrangement If:
You accept card payments in person.
You sell products or services online.
You take card payments over the telephone.
You collect recurring card payments.
You accept payment links or other remote card payments.
The services, equipment, and account arrangements you need will depend on your chosen provider.
Merchant Account vs Payment Gateway vs Business Bank Account
Although they often work alongside each other, a merchant account, payment gateway, payment processor, and business bank account each perform different functions. Depending on your provider, these may be bundled together.
| Component | What it does | When it is used |
|---|---|---|
| Merchant account arrangement | Supports card payment acquiring and settlement | Accepting card payments |
| Payment gateway | Securely transmits payment information between payment systems | Online and remote payments |
| Payment processor | Processes and routes transaction information | Processing card transactions |
| Acquirer | Acquires card transactions on behalf of your business | Underlying card acceptance |
| Business bank account | Receives payouts and manages everyday business finances | General business banking |
Why Can One Provider Offer Several Services?
Payment service providers (PSPs) often bundle payment acceptance, processing, and online checkout into one service. This can simplify your setup, with some providers combining multiple payment-related charges into a single transaction fee. If you enter a traditional arrangement, acquiring, gateway, and processing may be split between providers. That’s not to say that bundled packages always operate under the same contractual or acquiring structure.
Before committing to any provider, ensure you understand what is included in your agreement and how you are charged.
Do Online Businesses Need a Payment Gateway and Merchant Account?
Although you require both a payment gateway and a merchant account to securely process online payments, you don’t necessarily need separate contracts. Some PSPs package these functions together, while other arrangements may require you to use separate providers.
Your choice should consider your ecommerce platform, integration requirements, payment methods and overall costs.
Compare your options in our Best Payment Gateway Providers guide.
What Are the Different Merchant Account Arrangements?
Not all merchant accounts are the same, and they can be categorised by acquiring arrangement, payment channel, or business risk profile. These factors are not mutually exclusive, and the right type of merchant account for your business depends on how your business accepts payments and its processing requirements.
Dedicated Merchant Accounts
A dedicated merchant account gives your business its own acquiring arrangement, established directly with an acquirer or through an intermediary.
Typically, these accounts involve individual underwriting and contractual terms. Some dedicated merchant account providers may also offer negotiated or tailored pricing, but this should not be assumed as a guarantee, and monthly charges, fixed contracts, and additional service fees may apply.
A dedicated merchant account may suit your business if you have more complex processing, reporting or settlement requirements, or process a higher volume of sales and/or higher transaction value.
Aggregated Merchant Accounts and PSPs
Aggregated merchant accounts group multiple businesses under a shared master account, allowing them to accept card payments through a shared acquiring structure managed by a payment facilitator.
These services may combine payment acceptance, processing, and settlement, often with simpler onboarding and flat-rate pricing.
You must still meet the provider’s verification requirements, and payouts may be delayed or reserves imposed depending on your business’s risk profile.
Internet Merchant Accounts
An internet merchant account works alongside a payment gateway, processors, and acquiring services to accept and process online card payments.
Online card payments can present different fraud risks from in-person transactions, so providers may use additional fraud prevention and customer authentication measures. Some providers may include this functionality in a package, while others may charge separately.
Retail and In-Person Merchant Accounts
Retail merchant accounts support card-present transactions through card terminals or point-of-sale systems, including contactless and chip-and-PIN transactions. Some providers will also support online payments alongside in-person transactions. This makes them a strong option if you sell from a physical and online store.
Higher-Risk Merchant Account Arrangements
Providers assess risk using factors such as your industry, business model, trading history, fraud exposure, chargebacks and delivery arrangements.
If a provider considers your business higher-risk, you may face increased fees, additional restrictions or reserve requirements. Some providers may decline your application altogether, meaning you may need a specialist merchant account provider.
Whether your business is considered higher-risk depends on the provider’s eligibility criteria and underwriting assessment, although certain risk factors are recognised across the payments industry.
To learn more, check out our High-Risk Merchant Accounts guide.
How Much Does a Merchant Account Cost?
The headline transaction rate is just one fee that you may pay when using a merchant account. Depending on your provider, payment methods, transaction volume, and pricing arrangement, you may also incur other costs. Some providers may charge a flat transaction rate, while others combine percentage-based fees with fixed charges or monthly commitments.
Common Merchant Account Fees
Depending on your provider and agreement, merchant account fees include:
Transaction fees: Percentage-based or blended charges applied to card payments.
Authorisation fees: Fixed charges for processing transaction authorisation requests.
Monthly account fees: Recurring charges for maintaining merchant services.
Minimum monthly charges: A minimum fee payable when your qualifying processing charges fall below an agreed threshold.
Payment gateway fees: Separate charges for online payment-processing services.
Card terminal costs: Purchase, rental, or subscription fees for payment hardware.
PCI-related fees: Charges for compliance support or non-compliance, where applicable.
Refund and chargeback fees: Charges or adjustments associated with refunds and disputed transactions.
Currency conversion fees: Additional costs when processing payments involving currency conversion.
Other charges: Setup, optional faster settlement, additional services or early termination fees, where applicable.
Why the Headline Transaction Rate Isn’t the Whole Cost
When comparing providers, always look beyond the headline transaction rate, as this only makes up a portion of your total cost.
A lower advertised transaction rate doesn’t always mean lower overall costs.
For example, your monthly card turnover, transaction count, average transaction value, card types, and proportion of online versus in-person payments can all affect what you pay. If these factors push up your overall costs, it may not be the most cost-effective option, even with a low transaction rate.
Fixed monthly charges, equipment, and additional services also influence the total and vary by provider.
To compare providers fairly, calculate your complete processing costs using the same transaction profile rather than focusing on the advertised percentage alone.
If you’d like to learn more about the topic, we have an entire guide dedicated to Card Processing Fees.
How Do You Apply for a Merchant Account?
Applying for a dedicated merchant account involves choosing a suitable provider, submitting business information, and completing underwriting checks. The process varies between providers, while bundled payment service providers (PSPs) may offer a more streamlined onboarding process.
If you’re still unsure how to apply for a merchant account, follow this step-by-step guide.
Step 1
Identify Your Payment Requirements
The first thing you need to do is establish how your business accepts payments. This could include in-person payments, online checkout, or mail order and telephone order (MOTO) transactions.
Then look at your expected monthly card turnover, average transaction value, business sector, and customer locations. Also identify any currency, card terminal, checkout, or software integration requirements.
Step 2
Compare Suitable Providers
Compare dedicated merchant accounts with bundled PSP arrangements, considering eligibility, total costs, contract terms, and settlement schedules. Check whether each provider supports your payment methods, existing systems, and customer service requirements.
Step 3
Gather Your Application Information
Providers may request the following information:
Legal business name and registration details.
Business address and contact information.
Identification for directors or beneficial owners.
Business bank account details.
Description of products or services.
Expected business turnover and card-processing volume.
Average transaction value and payment channels.
Trading history, where available.
Website or other evidence of trading.
Refund, cancellation and delivery policies, where relevant.
Financial information or previous processing statements, if requested.
The exact information and documentation required will depend on your provider, business model, and underwriting process.
Step 4
Complete Verification and Underwriting
Your provider may verify your business identity, ownership, and financial information before assessing your transaction activity and risk profile. Additional documents may be requested, and approval or pricing may depend on the assessment.
If you opt for a dedicated merchant account, it is likely that you will undergo a more stringent underwriting process compared to that of an aggregator.
Step 5
Set Up and Test Payment Acceptance
Once approved, configure your card terminals, payment gateway, or online checkout and test any necessary integrations.
Confirm your settlement details, fees, and contractual terms before accepting live payments.
How Long Does Merchant Account Settlement Take?
Merchant account settlement typically takes 1–3 business days, although some providers offer next-working-day or same-day settlement. The timeframe depends on your provider’s payout schedule, acquiring arrangement, transaction requirements and risk checks.
What Affects Merchant Account Settlement Times?
Settlement times can vary depending on:
Your provider’s payout schedule and acquiring or PSP arrangement.
Payment method and transaction processing requirements.
Weekends, bank holidays, and processing cut-off times.
Your business’s risk profile and initial account verification.
Transactions undergoing additional security or fraud checks.
Some providers offer next-working-day or same-day settlement, but do not assume this is standard. Conditions for faster payments can vary depending on the provider.
Can Merchant Account Providers Hold Funds?
Yes. Providers can hold funds and delay payouts during account verification, transaction reviews, or risk assessments.
You may also be subject to rolling reserves. This is where your provider temporarily withholds a portion of your settlement funds to cover any potential disputes or losses. Not every provider requires a reserve, and other reserve arrangements may apply, so always check your arrangement.
What Happens When a Customer Requests a Chargeback?
A chargeback occurs when a cardholder disputes a payment through their issuing bank, potentially resulting in the transaction being reversed.
Your provider may deduct the disputed amount and apply an administration fee. Frequent chargebacks can also trigger additional risk reviews or restrictions.
For more information, see our chargeback guide.
How Do You Choose a Merchant Account Provider?
Remember, there is no universally “best” merchant account provider; instead, frame the search around finding the right one for your business. Before comparing providers, assess the following criteria:
1. Understand Your Transaction Profile
Review your monthly card turnover, transaction count, and average transaction value. Also establish the mix of debit, credit, commercial, and international cards you accept, as these can also impact your processing costs.
2. Decide Where You Accept Payments
Do you need countertop or portable card terminals? If you accept remote payments, do you need an ecommerce checkout, telephone functionality, payment links, or recurring billing? Find a provider that supports each channel you use.
3. Compare Complete Costs
Always look beyond the headline rates. To fully understand your total expenses, also account for:
Fixed charges
Monthly commitments
Terminal costs
Gateway and software fees
Potential cancellation charges
4. Review Contracts and Settlement
Check contract lengths, notice periods, and any separate equipment agreements. Compare standard and faster settlement options, including eligibility requirements and potential reserve conditions.
5. Check Functionality and Support
If you rely on other systems to run your business, check whether your provider supports ecommerce and EPOS integrations, accounting software, reporting, and payment reconciliation. Also confirm the level of support you receive, terminal replacement arrangements, and whether these terms suit your needs now and as you grow.
6. Confirm Eligibility
Check provider restrictions, industry risk assessments and underwriting requirements. Your trading history, international activity and previous processing records may influence eligibility or contractual terms.
For more detailed provider comparisons, see our Best Merchant Accounts UK guide.
Merchant Account Checklist: What Should You Know Before Choosing?
Before choosing a merchant account provider, make sure you can answer the following questions:
Do I need a dedicated account, or would a bundled PSP suit me?
What is the complete transaction pricing?
Are there fixed authorisation charges?
Are there monthly or minimum service fees?
Are payment gateway charges included?
Must I buy or rent hardware?
What is the initial contract length?
Does the agreement renew automatically?
What are the cancellation requirements?
How quickly will payments be settled?
Could reserves or payout restrictions apply?
What are the refund and chargeback arrangements?
Does the provider support all my payment channels?
What support is included?
Can the arrangement accommodate increased transaction volumes?
Summary: Do You Need a Merchant Account?
If you want to accept card payments, your business needs merchant-acquiring services, but you don’t necessarily need a separate dedicated merchant account. Bundled payment service providers (PSPs) may offer simpler arrangements, while dedicated accounts may suit businesses with specific pricing or operational requirements.
When comparing providers, consider your total processing costs, payment channels, settlement times, contract terms, and support rather than focusing solely on the headline transaction rate.
For a more in-depth look, see our Best Merchant Accounts UK guide to compare providers and find suitable options.
FAQs
What is a merchant account in simple terms?
A merchant account is an arrangement that enables your business to process and settle customer card payments. Unlike a business bank account, it isn’t used for everyday finances. You can establish a dedicated merchant account or use a payment service provider that bundles the underlying functions.
Is a merchant account the same as a business bank account?
No. A merchant account supports the processing and settlement of card payments, while a business bank account manages your everyday finances, including bills, wages, and other expenses. They work together because funds processed through your merchant account arrangement are ultimately paid into your nominated business bank account.
Do I need a merchant account to accept card payments?
You need underlying merchant acquiring services to accept card payments, but not necessarily a dedicated merchant account. Traditional acquiring arrangements involve establishing an individual merchant relationship, while payment service providers can bundle the necessary functions, allowing you to accept payments without opening a separate account.
Can I accept online payments without a separate merchant account?
Yes. Some payment service providers combine online checkout, payment gateway technology, processing, and acquiring functions, removing the need for a separate dedicated merchant account. However, availability depends on your business activities and provider eligibility requirements, so check which services are included before signing up.
What is the difference between a merchant account and a payment gateway?
A merchant account arrangement supports the acquiring and settlement of card payments, while a payment gateway securely transmits payment information between relevant systems. Gateways are commonly used for online transactions, but some payment service providers combine gateway technology and acquiring services into one solution.
How does money move from a card payment to my bank?
When a customer pays by card, the transaction is routed through payment-processing infrastructure and the card network to their issuing bank for authorisation. Approved payments then undergo clearing and settlement through the acquiring arrangement before your provider pays out the funds according to its settlement schedule.
How much does a merchant account cost?
Merchant account costs depend on your provider, transaction volume, payment channels, and pricing model. You may pay transaction charges, monthly account fees, terminal costs, and gateway fees. Additional charges can apply to disputes or other services, so compare your total processing costs rather than advertised rates alone.
How long does merchant account settlement take?
Merchant account settlement typically takes 1–3 business days, although some providers offer next-working-day or same-day payouts. Settlement depends on your provider, acquiring arrangement, and transaction requirements. Weekends, bank holidays, account verification, and risk reviews can also affect when your business receives its money.
What information is needed to apply for a merchant account?
Providers typically request business registration details, identification for owners or directors, bank details, and information about your products or services. You may also need expected transaction volumes, trading history, and refund or delivery policies. Exact documentation requirements depend on the provider and its underwriting assessment.
Can a new business get a merchant account?
Yes. New businesses can apply for dedicated merchant accounts or use suitable bundled payment services. Providers may assess your business model, expected turnover, ownership, and financial information, even without an established trading history. Approval isn’t guaranteed, and eligibility or additional verification requirements may vary between providers.
What is a high-risk merchant account?
A high-risk merchant account is an acquiring arrangement for a business that a provider considers to present greater financial or payment-processing risk. Factors include chargeback exposure, fraud risk, industry, and trading history. Such businesses may face higher fees, reserve requirements, or restrictions and sometimes need specialist providers.
Can a merchant account provider hold a reserve?
Yes. Merchant account providers may retain part of your payment settlements under agreed reserve arrangements to cover potential chargebacks or losses. Rolling reserves release withheld funds after a specified period, while other arrangements may apply. Reserves can affect cash flow, but they’re not required for every merchant.
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