Best Payment Gateways for UK Businesses in 2026

A payment gateway is the technology that securely transmits your customer's card details from your website or app to the payment processor. Choosing the right one affects your conversion rate, security, and costs. Here's our independent comparison for 2026.

Top Payment Gateways Compared

What Makes a Great Payment Gateway?

• Conversion rate optimisation — The checkout experience directly impacts abandoned carts. Look for one-click payments, saved cards, and mobile-optimised flows.
• Security — PCI DSS Level 1 compliance, tokenisation, and 3D Secure 2.0 support are essential.
• Integration flexibility — APIs, plugins for WooCommerce/Shopify/Magento, and hosted payment pages.
• Multi-currency support — If you sell internationally, the gateway should handle currency conversion and local payment methods.
• Settlement speed — How quickly funds reach your bank account. Some gateways offer next-day or even same-day settlement.

Stripe

Stripe remains the gold standard for developer-friendly payment integration. Its API-first approach makes it incredibly flexible, with pre-built UI components (Stripe Elements) for those who want a quick setup. Stripe's fraud detection (Radar) is powered by machine learning trained on millions of global transactions.

PayPal Commerce Platform

PayPal's brand recognition boosts consumer confidence. Their Commerce Platform now supports card payments directly (not just PayPal wallets), with competitive rates. The "Pay Later" option can increase average order values by 15–20%.

Adyen

Used by Netflix, Uber, and Spotify, Adyen is an enterprise-grade platform that combines gateway and acquiring in one. Their IC++ pricing is transparent, and their global reach covers 200+ countries with local acquiring in major markets — reducing cross-border fees.

How to Choose

• Startup or small e-commerce: Stripe or PayPal — no monthly fees, quick setup.
• Growing business (£50K+/month online): Negotiate with Worldpay or Adyen for IC++ pricing.
• Global sales: Adyen or Checkout.com for local acquiring and multi-currency support.
• WooCommerce/Shopify stores: Stripe, PayPal, or Opayo all have mature plugins.

Get a free gateway comparison based on your specific business needs.