- Compare Card Processing Rates from as low as 0.27%
- Keep your card processing fees to a minimum
- Direct access to 80% of the UK’s leading acquiring banks
- Make the right choice for your next UK payment provider
- Ensure your rates always remain competitive
- Seamlessly switch payment provider without a hitch






We're rated Excellent on
The Best Online Credit Card Processing Solutions for Your Business
Accepting credit card payments is essential for any business, whether you operate online, in-store, or both. With the rise of digital payments, customers expect seamless, fast, and secure online payments. Choosing the right payment solution can significantly impact your revenue, customer satisfaction, and operational efficiency.
In this guide, we’ll explore the best online credit card processing solutions for UK businesses, covering compare payment gateways, merchant accounts, transaction fees, and alternative payment methods like Apple Pay, Google Pay, and direct debit. We’ll also highlight hidden fees, processing costs, and how to start accepting payments with the lowest fees possible.
Why Your Business Needs a Reliable Credit Card Processing Solution
Before diving into the best payment processing companies, let’s understand why accepting card payments is crucial:
-
Increased Sales – Customers prefer card payments over cash, and offering multiple payment methods (including debit card transactions, Visa Mastercard, and digital wallets) can boost conversions.
-
Faster Transactions – Online payment processing is instant, reducing checkout friction.
-
Global Reach – Support for international transactions helps businesses expand.
-
Security & Trust – PCI-compliant payment providers ensure secure transactions, reducing fraud risks.
-
Recurring Billing – Ideal for subscriptions, memberships, and recurring payments.
Now, let’s explore the best credit card processing options.
Types of Online Credit Card Processing Solutions
1. Payment Gateways
A payment gateway connects your website to financial institutions, authorising card transactions. Examples include:
-
Stripe – Popular for online sales, with flat rate pricing and support for Apple Pay, Google Pay, and Samsung Pay.
-
PayPal – A widely recognised payment solution with debit card payments and interest-free installments.
-
Square – Great for in-person payments and online transactions, with no monthly fees.
2. Merchant Accounts
A merchant account is a bank account that holds funds before transferring them to your business account. Providers like Worldpay and Global Payments offer tailored merchant services with competitive interchange fees.
3. All-in-One Payment Processors
These combine a payment gateway and merchant account, simplifying payment processing:
-
SumUp – Low fixed fee pricing, ideal for small businesses.
-
Adyen – Supports multiple payment processors and international transactions.
4. Mobile & In-Person Payment Solutions
For businesses needing payment terminals:
-
Square Reader – No set-up fee, works with contactless payments.
-
iZettle (now part of PayPal) – Great for debit cards and chip & PIN payments.
Key Features to Look for in a Payment Processor
When choosing a payment provider, consider:
✅ Transaction Fees – Compare processing fees, including interchange fees, authorisation fees, and chargeback fees.
✅ Payment Methods – Ensure support for popular payment methods like Visa Mastercard, digital wallets, and bank transfers.
✅ Security – Look for PCI-DSS compliance and fraud prevention tools.
✅ Integration – Does it work with your eCommerce platform (Shopify, WooCommerce)?
✅ Recurring Billing – Essential for subscriptions.
✅ Hidden Fees – Watch for monthly fees, set-up fees, and additional fees.
✅ Global Payments – If selling internationally, check currency conversion and international transaction costs.
Comparing Top UK Payment Processors
Provider |
Best For |
Transaction Fees |
Key Features |
---|---|---|---|
Stripe |
Online businesses |
1.4% + 20p per card transaction |
Supports Apple Pay, Google Pay, recurring billing |
PayPal |
Small businesses & freelancers |
1.9% – 3.4% + 20p |
Payment links, debit card payments, global payments |
Square |
In-person & online |
1.75% per card payment (in-person), 2.5% (online) |
Payment terminal, no monthly fees |
SumUp |
Low-cost processing |
1.69% per debit card transactions |
No hidden fees, flat rate pricing |
Adyen |
Enterprise businesses |
Custom pricing |
Multiple payment processors, high-risk payments support |
How to Reduce Credit Card Processing Costs
-
Negotiate Lower Transaction Fees – High-volume businesses can get lower fees.
-
Avoid Hidden Fees – Some providers charge authorisation fees, monthly fees, or processing refunds costs.
-
Use Flat-Rate Pricing – Providers like Square and SumUp offer simple fee structures.
-
Encourage Debit Card Payments – Interchange fees are lower than credit cards.
-
Prevent Chargebacks – Clear refund policies reduce chargeback fees.
Consider obtaining competitive quotes for card payment processing through services like Independent Merchant Services to ensure you’re getting the best rates.
Alternative Payment Methods to Consider
Beyond credit card processing, offering alternative payment methods can attract more customers:
-
Digital Wallets (Apple Pay, Google Pay, Samsung Pay)
-
Bank Transfers (Faster Payments, SEPA)
-
Buy Now, Pay Later (Klarna, Clearpay)
-
Direct Debit – Great for recurring payments
Final Thoughts: Choosing the Best Payment Solution
The right online credit card processing system depends on your business size, sales volume, and payment methods needed. For online sales, Stripe and PayPal are excellent, while Square and SumUp work well for in-person payments.
Always compare processing fees, check for hidden fees, and ensure your payment provider supports secure transactions and global payments if needed.
By selecting the best payment processing solution, you can start accepting payments efficiently, keep costs low, and provide a seamless checkout experience for your customers.
Next Steps
-
Compare payment processors based on your business needs.
-
Test integrations with your eCommerce platform.
-
Monitor transaction fees to optimise costs.
Ready to accept card payments? Explore the best payment services today and grow your business with seamless online transactions!