UK Shopify stores should primarily use Stripe as the core payment gateway, supplemented by PayPal for broader reach, Klarna for flexible consumer payments and Apple Pay for mobile conversions. The right mix depends on your product type, average order value and target customers.
Each gateway brings different strengths in checkout experience, fees and regulatory requirements. This guide explains how to evaluate and set them up without committing to specific rates or thresholds that change regularly.
Understanding Payment Gateway Requirements for UK Shopify Stores
UK businesses must choose gateways that support sterling transactions, comply with PSD2 strong customer authentication and allow easy reconciliation with accounting software. Shopify Payments, powered by Stripe, integrates natively but you can add additional providers through the Shopify App Store.
Consider your customer demographics. Domestic shoppers often expect familiar options while international buyers may prefer PayPal. Always verify current compliance needs directly with the gateway and review GOV.UK guidance on payment services and anti-money laundering rules, which evolve over time.
Start by listing your expected order values and whether you sell physical goods, digital products or subscriptions. This helps determine which gateways minimise friction at checkout.
Stripe: Core Choice for Most UK Shopify Stores
Stripe offers a robust set of tools for UK merchants including card payments, local payment methods and subscription billing. Setup involves connecting your Stripe account directly in Shopify settings, which activates within minutes once your business details are verified.
Practical steps include:
- Register for a Stripe account using your UK company number or sole trader details
- Complete identity verification by uploading proof of address and incorporation documents
- Enable required payment methods in the Stripe dashboard
- Test transactions using Shopify's test mode before going live
Stripe handles 3D Secure authentication automatically in most cases, reducing cart abandonment. Review its current terms regularly as rules around data handling and acceptable products can change.
PayPal: Building Trust with UK and International Buyers
Many UK consumers recognise and trust the PayPal brand, making it a useful secondary option. It allows customers to pay without entering card details if they hold a PayPal account. Integration with Shopify is straightforward via the official PayPal app.
To add PayPal:
- Log into your Shopify admin and navigate to Settings > Payments
- Click on the PayPal option and follow the activation prompts
- Link your existing PayPal business account or create one
- Choose whether to show the PayPal button at checkout or on the product page
Consider enabling PayPal alongside your primary gateway rather than replacing it. This gives customers choice without forcing them down a single route. Check PayPal's current UK seller agreement for updated rules on refunds and dispute resolution.
Klarna: Offering Flexible Payment Options
Klarna allows customers to pay in instalments or after delivery, which can increase average order values for certain product categories. UK Shopify stores can add Klarna through the dedicated app, though approval depends on your business profile.
Implementation steps include:
- Apply for a Klarna merchant account via their UK website
- Once approved, install the Klarna Payments app from the Shopify App Store
- Configure display settings to show 'Pay in 3' or monthly financing at appropriate points
- Monitor settlement times as funds arrive on different schedules than immediate card payments
Use Klarna selectively. It works best for mid-value items where customers value flexibility. Always direct customers to Klarna's current terms for details on eligibility and late payment implications rather than stating fixed limits yourself.
Apple Pay: Improving Mobile Checkout Speed
Apple Pay streamlines checkout for iPhone and Mac users by using stored card details and biometric authentication. It can reduce steps at checkout and improve conversion on mobile devices, which represent a large share of UK e-commerce traffic.
To enable Apple Pay on Shopify:
- Ensure your primary gateway (usually Stripe) supports it
- Verify your domain with Apple in the Shopify Payments settings
- Add the Apple Pay button to your theme using Shopify's theme editor or a dedicated app
- Test on actual iOS devices as simulator results can differ
Combine Apple Pay with other methods rather than relying on it alone. Not all customers use Apple devices, so it should complement rather than replace card options. Review Apple's current developer guidelines and Shopify's integration notes when updating your theme.
UK-Specific Considerations and Compliance
UK merchants must handle VAT correctly, display clear pricing and provide adequate refund information. Payment gateways have their own reporting tools, but you remain responsible for accurate records. Check HMRC and GOV.UK for current VAT registration requirements and distance-selling rules as these can change.
Strong customer authentication is mandatory. Most modern gateways manage this through 3D Secure or biometric methods, but confirm the latest PSD2 expectations with your chosen providers. Companies House details should match across all accounts to avoid verification delays.
Consider processing fees, currency conversion charges for overseas cards and settlement times when deciding your mix. Test combinations by running small campaigns and monitoring checkout completion rates. Use Shopify's analytics alongside each gateway's dashboard for a complete picture. Rules around data protection under UK GDPR also apply to payment information handling.
Practical Setup and Testing Steps
Begin with Stripe as your default, then layer PayPal, Klarna and Apple Pay based on customer feedback. Use Shopify's checkout settings to control the order of payment options. Place the most popular methods first to reduce friction.
Follow these testing steps:
- Set up a development store or use test mode on your live store
- Create test orders with different payment methods
- Check that confirmation emails, order status updates and accounting entries work correctly
- Review mobile and desktop experiences separately
- Document any issues and resolve them before driving traffic
Monitor performance for several weeks after launch. Adjust the visible options if certain methods show high abandonment. Revisit your setup when launching new product lines or targeting different countries. Regular reviews of each gateway's terms help avoid unexpected changes affecting your operations.
Frequently asked questions
Can I use multiple payment gateways on one Shopify store?
Yes. Most UK Shopify stores run Stripe as the main processor and add PayPal, Klarna or Apple Pay as alternatives. This gives customers choice while keeping a single checkout flow. Configure the order of options in Shopify settings and monitor which methods perform best for your audience.
Does Stripe handle UK strong customer authentication automatically?
Stripe manages 3D Secure and other SCA requirements for most transactions when correctly configured. You should still verify your setup in the Stripe dashboard and test with real UK cards. Requirements can change so review current guidance from both Stripe and GOV.UK periodically.
Should I offer Klarna if I sell low-value items?
Klarna tends to suit products with higher average order values where customers welcome payment flexibility. For very low-value items the additional checkout steps may reduce conversions. Test with a small selection of products and compare completion rates before rolling out across the whole store.
How do I add Apple Pay to my Shopify theme?
Enable Apple Pay through your primary gateway settings first, then verify your domain in Shopify. Use the theme customiser or a dedicated app to display the button on product and cart pages. Always test on physical Apple devices because emulators may not reflect real user experience accurately.
What compliance checks do UK Shopify stores need for payments?
You must follow UK GDPR for customer data, display accurate pricing and comply with current VAT rules. Each gateway has its own onboarding checks. Cross-reference your business details with Companies House records and review guidance on GOV.UK and HMRC websites regularly as regulations evolve.
Related reading: How to improve site speed for a UK e-commerce store, Essential mobile UX tips for UK e-commerce websites, How to set up UK VAT correctly on Shopify. Browse all e-commerce setup guides or apply to Loomworks.