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Payment Gateways UK: Independent Advice & Provider Matching

Choosing a payment gateway is about more than comparing transaction fees. The right setup depends on how you take payments, the systems you need to integrate with, your business model, currencies, risk profile, settlement requirements and the features your customers need at checkout.

Merchant Advice Service provides free, independent guidance to UK businesses comparing payment gateway and payment-processing options. We help businesses understand the features and integrations they need, identify the types of provider that may be suitable and navigate more complex requirements before making an application.

We can help with ecommerce gateways, recurring and subscription payments, marketplaces and split payments, booking systems, multi-currency and international payments, high-risk gateways, alternative payment methods and API or bespoke integrations.
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What is a Payment Gateway?

A payment gateway is the technology that securely passes payment information between a customer, a merchant and the organisations involved in authorising a transaction.

For an online card payment, the gateway connects the checkout or software platform to the payment processor or acquiring bank. Modern gateways may also support digital wallets, recurring billing, alternative payment methods, fraud tools, tokenisation, multiple currencies and integrations with ecommerce, booking, accounting or other business systems.

The payment gateway is not always the same thing as the merchant account. Some providers package both together, while other businesses use a separate gateway and acquiring arrangement.

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How do I Choose the Right Payment Gateway?

The right payment gateway depends on how your business takes payments and the systems it needs to work with. These are the main areas to weigh up when comparing providers.

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Integrations

Does the gateway work with your ecommerce platform, booking system, software, accounting tools or bespoke API requirements?

Business Model

Do you need one-off ecommerce payments, subscriptions, marketplaces, split payments, deposits or stored-card functionality?

Countries and Currencies

Check where the provider can onboard merchants, which customer locations it supports and what currencies and payment methods are available.

Risk and Underwriting

Some gateways and acquiring partners will not support every sector or transaction profile. High-risk or previously declined businesses may need a specialist route.

Cost and Settlement

Compare the complete cost, including transaction charges, gateway fees, monthly fees, international and FX charges and settlement terms.

Security and Fraud

Consider PCI DSS responsibilities, 3D Secure, tokenisation, fraud tools and the controls available for higher-risk transactions.

Person holding a credit card while using a laptop to complete an online payment gateway transaction

Expert Payment Processing Advice

Merchant Advice Service offers free, unbiased advice to help you make informed decisions about payment processing and banking solutions. Our goal is to demystify the payments landscape, empowering you to take control of your business’s financial future. With our guidance, you can find the right partners and solutions tailored to your unique needs.

Which type of payment gateway does my business need?

Different business models need different payment functionality. The right gateway should fit both the way customers pay and the systems your business already uses.
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How much does a payment gateway cost?

Payment gateway pricing varies by provider and setup. Businesses should compare the complete cost rather than the headline transaction percentage alone.

Potential costs include:

  • Transaction charges
  • Gateway or monthly fees
  • Setup and integration costs
  • Refund fees
  • Chargeback fees
  • Cross-border charges
  • Foreign-exchange charges
  • Alternative payment method fees
  • Minimum commitments
  • Separate merchant acquiring costs where applicable

Will a payment gateway integrate with my existing systems?

Many gateways provide plugins, pre-built integrations or APIs. Before choosing a provider, confirm that it works with the systems your business already uses and with any functionality you plan to add.

This may include ecommerce platforms such as Shopify, WooCommerce or Magento; booking systems; accounting software; EPOS; CRM or SaaS platforms; recurring billing tools; and bespoke applications using an API.

A technically suitable gateway also needs to fit the merchant's sector, currencies, payment methods and underwriting requirements.

What is the difference between a payment gateway and a merchant account?

A payment gateway securely transmits payment information and connects the customer's checkout or payment interface with the processing infrastructure.

A merchant account is the acquiring arrangement that allows a business to accept card transactions and receive settlement of approved funds.

Some payment providers supply the gateway and merchant account together. Others allow a business to use a separate gateway with a different acquirer. The right structure depends on the business model, integration, risk profile, currencies and commercial requirements.

How Merchant Advice Service Helps Businesses Compare Payment Gateways

1. We understand the payment flow

We look at how your customers pay, the systems you use, the countries and currencies involved, transaction values, business sector and any existing payment setup.

2. We identify the functionality you need

This may include subscriptions, split payments, digital wallets, alternative payment methods, multi-currency support, fraud tools, reporting or a particular integration.

3. We help narrow down provider routes

We help identify gateway and payment-provider routes that may fit the stated requirements, including specialist options where a mainstream setup is unsuitable.

4. The provider confirms technical and underwriting suitability

Merchant Advice Service does not provide the gateway or make approval decisions. The selected provider confirms integration, pricing, underwriting, settlement and contract terms.

How Merchant Advice Service Works

Tailored Solutions

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Payment Gateway & Payment Technology Guides

Featured guides covering gateway selection, integrations, payment infrastructure and emerging payment technology.

Payment gateways & more complex requirements

Payment Gateways for High-Risk Merchants

Specialist gateway options for businesses with higher-risk sectors, transaction profiles or more complex acquiring requirements.

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Split Payment Gateways: A Complete Guide for Marketplaces and Platforms

How platforms can collect payments, deduct commissions, split funds between sellers and manage payouts.

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Marketplace Payment Gateways: Payments, Compliance and Profitability

A deeper guide to marketplace payment structures, seller onboarding, compliance, payment flows and commercial models.

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Subscription Payment Processing

Recurring billing, failed payments, tokenisation and the payment infrastructure needed for subscription businesses.

Read more

    Integrations & payment infrastructure

    Payment Providers for Booking Systems

    Embedded payments, deposits, recurring billing and payment-provider selection for booking and scheduling software.

    Read more

    ERP AR Automation Integration: A Complete Guide to Embedded Payments

    How payments, accounts receivable, reconciliation and collections can be integrated into ERP and finance systems.

    Read more

    What Is a Distribution ERP—and How Can It Improve Your Payment Operations?

    How payment functionality can connect with ERP, order management, invoicing and reconciliation.

    Read more

    Best Payment Providers That Integrate with Xero

    Payment-provider and gateway options for businesses that need their payment flow connected to Xero.

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    Payment Orchestration for Business Owners

    How orchestration can bring multiple payment providers, methods and routing rules together within a more flexible payment stack.

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      Scaling & changing payment providers

      Reasons You May Have Outgrown Stripe — And What to Do Next

      When a plug-and-play payment setup is no longer enough and what growing businesses should consider when evaluating their next provider.

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      How SaaS Platforms Can Offer Recurring Payments to Clients — and Monetise It

      Embedded and white-label payment models for software platforms that want payments to become part of their product and revenue strategy.

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        Alternative & emerging payments

        Alternative Payment Method (APM) Gateways

        Digital wallets, bank payments and other alternative payment methods, including how businesses can offer multiple options through one gateway.

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        Understanding Network Tokenisation

        How network tokenisation protects payment credentials, supports stored-card payments and can improve the resilience of recurring payment journeys.

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        Why Agentic Commerce Requires Multi-Tokenisation

        How payment, identity and delegation tokens could underpin secure transactions made by AI agents.

        Read more

        Agentic Payments: What They Are, How They Work, and Why They Matter

        An introduction to agent-initiated payments and the infrastructure businesses may need as AI becomes part of the buying journey.

        Read more

        Agentic Commerce and Payments: What Enterprise Businesses Need to Know

        A more strategic look at agentic commerce, payment architecture, consent, fraud, routing and infrastructure for larger businesses.

        Read more

          Check Out Our Payment Gateways Advice

          Payment Gateway Fees UK 2026: What Businesses Actually Pay

          27 August 2026

          Expanding into Europe: Local Acquiring vs One Global PSP

          25 August 2026

          Changing Payment Provider With a Custom API: An Enterprise PSP Migration Guide 

          25 August 2026

          Should You Switch from Adyen?

          25 August 2026

          Changing Payment Gateway: Can You Move Stored Cards, Tokens and Recurring Payments?

          12 August 2026

          Acquirer-Agnostic Payment Gateways: Using One Gateway with Multiple Acquirers

          12 August 2026

          Split Payment Gateways: A Guide for Marketplaces and Platforms

          15 July 2026

          Agentic Commerce & Payments for Enterprise Merchants

          12 March 2026

          White-Label Payment Processing for SaaS & Platforms: Models, Pricing, Onboarding & Risk

          01 February 2026

          Payments for Healthcare Software Platforms: Embedded Payments, ISV Models & Merchant Onboarding

          13 January 2026
            View all advice

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              Here's The Plan

              We make it easy for you to enhance your payment processing capabilities. Follow these three steps to get started:

              Visit Our Online Platform

              Explore our directory and blog resources to discover more about your options.

              Connect with Providers

              Use our platform to directly engage with financial partners who match your business needs.

              Implement Solutions

              Work with our recommended partners to integrate effective payment solutions and drive your business forward.

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              Frequently Asked Questions

              What is a payment gateway?
              A payment gateway securely transfers payment information between a customer's checkout or payment interface and the organisations responsible for authorising and processing the transaction.
              What is the difference between a payment gateway and a merchant account?
              The gateway handles the secure transmission of payment information. The merchant account is the acquiring arrangement that allows the business to accept card payments and receive settlement. Some providers package both together.
              How do I choose a payment gateway provider?

              Compare providers against your business model, integrations, payment methods, countries and currencies, risk profile, settlement requirements, security features and total costs.

              Can a payment gateway support subscriptions and recurring payments?

              Yes, but recurring-billing features vary. Check support for stored payment credentials, tokenisation, recurring transaction rules, failed-payment handling and any subscription or billing-platform integrations you need.

              What payment gateway do I need for a marketplace or platform?

              Marketplaces may need seller onboarding, split payments, commission deductions, multiple balances, payouts, refunds and chargeback handling. A standard ecommerce gateway may not support this structure.

              Can payment gateways support international customers and multiple currencies?

              Many can, but supported merchant locations, customer countries, currencies and settlement options vary. Check the provider's exact geographic and currency coverage.

              Can high-risk businesses use payment gateways?

              Yes, but provider risk appetite varies. A business may need a specialist gateway and acquiring arrangement if its sector, transaction profile or processing history is outside mainstream provider criteria.

              How much does a payment gateway cost?

              Costs can include transaction fees, gateway or monthly charges, setup and integration fees, cross-border and FX costs, alternative payment method fees, refunds, chargebacks and separate acquiring charges.

              Can a payment gateway integrate with Shopify, WooCommerce or a booking system?

              Many providers offer plugins, pre-built connections or APIs, but businesses should confirm the exact integration and required functionality before applying.

              How can Merchant Advice Service help me compare gateways?

              Merchant Advice Service provides free, independent guidance to help businesses understand their payment requirements and identify gateway and provider routes that may fit their business model and integration needs.

              Find a Payment Gateway Provider

              Tell us how your business takes payments, what you need to integrate and any specialist requirements, and we'll help you understand your options.
              Find a Payment Gateway Provider
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