PayPal vs Square UK 2026: Fees, Features & Which to Choose

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PayPal and Square are two of the most recognised payment providers available to UK small businesses in 2026, but they suit very different needs. PayPal is strongest for online and e-commerce businesses that want a trusted checkout brand and the ability to accept payments from 200-plus countries. Square is better suited to physical retail, hospitality, and service businesses that need a free card reader, a built-in point-of-sale system, and fast next-business-day settlement. Both charge no monthly fee on their entry-level plans, and neither locks you into a long-term contract.

PayPal vs Square: Fee Comparison

What is PayPal?

PayPal is a global online payments platform founded in 1998 and now used by over 400 million active accounts worldwide. In the UK, it operates as a payment service provider for both online checkouts and in-person payments through its Zettle point-of-sale product, which it acquired in 2018. UK businesses can accept credit cards, debit cards, PayPal wallet payments, and Buy Now Pay Later through PayPal Pay Later, all under one account. PayPal (Europe) S.à r.l. et Cie, S.C.A. is authorised by the FCA as an electronic money institution.

The core appeal of PayPal for UK merchants is brand recognition at checkout. Research consistently shows that displaying the PayPal button increases online conversion rates, partly because buyers trust the platform and partly because they can pay without entering card details. That advantage is most valuable for online retailers and digital services businesses. For a full breakdown of fees and features, read the PayPal UK review on Compare Card Fees.

What is Square?

Square is a US-based payment and point-of-sale company founded in 2009 that launched in the UK in 2017. It provides a free card reader, a free POS app, and a suite of business tools covering inventory, staff management, reporting, and online store creation. Square Payments Europe Ltd is authorised by the FCA as an electronic money institution, and funds settle to your UK bank account the next business day with no fee. The Square ecosystem is particularly well developed for food and drink businesses, with Square for Restaurants offering table management and kitchen display integration.

Square's free plan is genuinely free: there are no monthly fees, no setup costs, and no minimum transaction volumes. Paid tiers such as Square for Retail Plus (from £49 per month) add features like advanced inventory and multi-location management. The main limitation is that Square is less suited to pure online businesses that need sophisticated developer tools or complex subscription billing. For a detailed look at pricing and hardware, read the Square UK review on Compare Card Fees.

PayPal vs Square: Features Compared

Payment Methods Accepted

Both providers accept Visa, Mastercard, and American Express. PayPal adds its own wallet as a payment method, which is a meaningful differentiator: buyers with PayPal balances or saved cards can check out in two taps, and this is particularly valuable for e-commerce. Square does not offer a wallet payment method. PayPal also supports Pay Later (Buy Now Pay Later) for eligible UK merchants, allowing customers to split purchases. Square does not currently offer a native BNPL product in the UK.

Hardware and Card Terminals

Square's hardware range is broader and more competitively priced. The Square Reader costs £19 plus VAT for the first unit. The Square Terminal, a standalone touchscreen device with a built-in printer, costs £149 plus VAT. The Square Register, a countertop system with a customer-facing display, costs £549 plus VAT. PayPal's in-person hardware runs through Zettle. The Zettle Reader 2 costs £29 plus VAT for the first reader, and the Zettle Terminal costs £199 plus VAT. Both product lines are chip-and-PIN and contactless compliant.

Point-of-Sale Software

Square's free POS app is more feature-rich than Zettle's for bricks-and-mortar businesses. It includes real-time inventory tracking, employee timecards, customer profiles, and detailed sales reports, all at no extra cost. Zettle's POS is functional and easy to use, but its inventory tools are simpler and it lacks native employee management. If you run a shop with dozens of SKUs, Square's free tier handles this better out of the box.

Online and E-commerce Integrations

PayPal connects with virtually every major e-commerce platform: Shopify, WooCommerce, Magento, BigCommerce, and Wix all support PayPal checkout natively. Its Braintree gateway gives developers full control over the payment experience and supports card vaulting and recurring billing. Square integrates with WooCommerce, Wix, and its own Square Online store builder. The Square Online store is free to set up and allows you to sell products immediately, which suits small retailers wanting a simple web presence without a separate e-commerce subscription.

International Payments

PayPal is the clear winner for international sales. It supports transactions in over 100 currencies and is available in more than 200 markets. Cross-border fees apply: typically 1.29% above the standard transaction rate for international card transactions. Square's UK operation is limited to GBP transactions settled into UK bank accounts. If a meaningful share of your customers are overseas, PayPal handles this far more naturally.

Fraud Tools and Security

PayPal includes Seller Protection on eligible transactions, which can cover you against unauthorised transactions and item-not-received claims. This is a real operational benefit for online sellers. Both providers are PCI DSS compliant. Square uses machine learning fraud detection on all transactions and its dispute management portal is straightforward to use. PayPal's fraud tools are more mature given its 25-plus years of transaction data, but its account freeze policy is a known pain point: accounts can be limited with little warning, holding funds for up to 180 days in some cases.

Customer Support

Square offers UK phone support during business hours, live chat, and an email ticketing system. PayPal offers phone, chat, and a message centre, but its support quality for business accounts draws mixed reviews. Reaching a knowledgeable agent quickly can be difficult, particularly if your account has been flagged. Square's support is generally rated more consistently by small business users on UK review platforms.

Pros and Cons

PayPal Pros and Cons

Pros

• Widely trusted checkout brand that can improve online conversion rates
• Accepts payments in over 100 currencies, making it strong for international e-commerce
• Seller Protection covers eligible transactions against chargebacks and fraud claims
• Buy Now Pay Later (Pay Later) available for eligible UK merchants at no extra cost to the seller
• Braintree gateway offers advanced developer tools, card vaulting, and subscription billing

Cons

• Online transaction fees at 3.49% plus a fixed fee are high compared with Stripe (1.5% plus 20p) and Shopify Payments
• Account freezes and fund holds are a recurring complaint; funds can be withheld for up to 180 days during reviews
• In-person POS tools through Zettle are less capable than Square for inventory-heavy retail
• Customer support quality is inconsistent, and resolving disputes can be slow

Square Pros and Cons

Pros

• Free card reader available for new accounts; the Square Reader costs £19 plus VAT
• Free POS software includes inventory tracking, employee management, and sales reporting
• Next-business-day settlement to your UK bank account at no charge
• No monthly fees on the standard plan; no minimum transaction volumes
• Strong vertical-specific plans for restaurants, retail, and appointments

Cons

• In-person transaction fee of 1.75% is higher than PayPal Zettle's 1.50%, adding up at volume: at £20,000 monthly turnover that is an extra £50 per month
• No support for multi-currency or cross-border transactions; UK accounts settle in GBP only
• Account stability issues exist, and Square can close accounts with limited notice in cases of perceived risk
• Online developer tools are less mature than PayPal's Braintree for complex integrations

Which is Better For...?

Small Retail and Hospitality Businesses

Square is the better choice for most physical retail and hospitality businesses. Its free POS software, next-day settlement, and vertical-specific plans for restaurants and retail give it a clear edge over PayPal Zettle for in-store operations. A café or independent clothing shop will get more out of Square's inventory and staff tools without paying a monthly fee. PayPal Zettle works, but it is a simpler tool that suits lower-volume merchants who already have a PayPal account and want a card reader without setting up a separate system.

Online and E-commerce Businesses

The decision here depends on your priorities. PayPal's checkout button increases buyer confidence and its Pay Later option can lift average order values. However, at 3.49% plus a fixed fee per transaction, the cost is high for volume sellers. A business processing £30,000 a month online would pay roughly £1,047 in fees with PayPal standard checkout, versus around £600 with Stripe. Square Online is a reasonable option for small product catalogues, but its online payment fee of 1.90% plus 30p per transaction is more competitive than PayPal's standard rate. Pure e-commerce businesses processing significant volume should also compare Stripe and Shopify Payments before deciding.

Mobile and Market Traders

Both providers work well for mobile traders who need a lightweight, portable card reader. Square Reader at £19 plus VAT is cheaper upfront than the Zettle Reader 2 at £29 plus VAT. PayPal's 1.50% in-person rate is lower than Square's 1.75%, so at £5,000 monthly in-person volume PayPal saves around £12.50 per month. For very low-volume traders, the difference is negligible and the choice comes down to which app you find easier to use.

High-Volume Merchants

Neither PayPal nor Square publishes custom pricing for high-volume UK merchants in the same way that Adyen, Stripe, or Worldpay do. PayPal does offer negotiated rates through its enterprise and Braintree channels, but you need to contact their sales team directly. Square does not publicly offer volume discounts in the UK. Businesses processing more than £100,000 per month should use the Compare Card Fees merchant services comparison tool to obtain quotes from providers that offer interchange-plus pricing, which typically reduces costs significantly at that volume.

Our Verdict

PayPal and Square each do one thing clearly better than the other. Square is the stronger choice for physical, in-person businesses: its free POS software, next-day settlement, and competitive hardware make it hard to beat on value for retailers, cafés, and service businesses. PayPal is the stronger choice for online businesses that benefit from its checkout brand recognition, international currency support, and Seller Protection. The in-person rate difference of 0.25 percentage points (PayPal at 1.50% versus Square at 1.75%) matters at volume, but Square's superior POS tools often outweigh that cost for bricks-and-mortar operators.

The honest caveat on both providers is account stability. Neither PayPal nor Square operates a traditional merchant account: both are payment service providers that aggregate merchants under a single account. That means your account can be frozen or terminated with limited notice if their risk systems flag your activity. For businesses where payment continuity is critical, a dedicated merchant account from a provider such as Worldpay, Elavon, or Barclaycard Business offers more contractual protection, even if the setup process takes longer.

If you are still unsure which provider is right for your business, Compare Card Fees is a free, independent advisory service that has helped UK businesses find better card payment deals since 2012. Use the Compare Card Fees comparison tool to get tailored quotes based on your actual transaction volumes and business type, with no obligation to switch.