Square vs Zettle vs SumUp vs Teya UK (2026 Guide)

Choosing the right card machine can make a big difference to your business costs and customer experience. In the UK, four of the most popular options are Square, Zettle, SumUp, and Teya.

This guide compares pricing, features, and usability to help you choose the best solution for your business in 2026.

👉 For a full breakdown of providers, visit:
Best Card Machine for Small Business UK

Here’s a quick comparison of the best card machines in the UK for 2026

Quick Comparison Table

Provider	Best For	Transaction Fees	Monthly Fee	Payout Speed	Contract
Teya ⭐ Top Pick	UK SMEs	From 0.8%	No	Next day	No
SumUp	Startups	~1.69%	No	1–2 days	No
Zettle	Small shops	~1.75%	No	1–2 days	No
Square	Retail	~1.75%	No	Next day	No

Teya ⭐

Best for: UK SMEs

Fees: From 0.8%

Monthly fee: No

Payout: Next day

Contract: No

SumUp

Best for: Startups

Fees: ~1.69%

Monthly fee: No

Payout: 1–2 days

Contract: No

Zettle

Best for: Small shops

Fees: ~1.75%

Monthly fee: No

Payout: 1–2 days

Contract: No

Square

Best for: Retail

Fees: ~1.75%

Monthly fee: No

Payout: Next day

Contract: No

Provider Breakdown

⭐ Top Pick

Teya

Teya stands out in 2026 as one of the most competitive UK card payment providers for small and growing businesses.

Transaction fees from 0.8%
No monthly fee
No authorisation fee
No MCN charges
Next-day payouts
UK-based support

Why choose Teya?
Lower fees can significantly reduce costs compared to flat-rate providers.

Best for UK SMEs

SumUp

Fixed fee (~1.69%)
No monthly cost
Simple mobile card reader
Fast setup

Best for beginners

Zettle

Competitive flat fees
POS features included
PayPal integration

Best for small retail

Square

Free POS system
Inventory & reporting tools
Transparent pricing

Best for retail & hospitality

Key Differences Explained

Pricing (Most Important Factor)

Teya: From 0.8% (lowest)
SumUp: ~1.69%
Zettle: ~1.75%
Square: ~1.75%

Winner: Teya (lowest fees)

Fees & Hidden Costs

Teya: No monthly, authorisation, or MCN fees
Others: Simple but higher transaction costs

Winner: Teya (lowest total cost)

Features & POS

Square: Best POS features
Zettle: Good retail tools
SumUp: Basic
Teya: Cost efficiency

Winner: Square (features), Teya (value)

Which Card Machine Should You Choose?

Teya

Lowest fees, no hidden costs, ideal for growing UK businesses

SumUp

Simple, affordable starter option

Zettle

Best if you need PayPal integration

Square

Best full POS system for retail

Final Verdict

In 2026, Teya stands out as the best value card machine in the UK for small businesses processing regular transactions.

🏆 Best overall: Teya
💰 Best for beginners: SumUp
🛍 Best for retail: Square
⚖️ Best balance: Zettle

👉 Explore more card machines UK

FAQs – Card Machines UK (2026)

Which card machine has the lowest fees in the UK?

Teya offers some of the lowest transaction fees in the UK, starting from 0.8%, with no monthly, authorisation, or hidden charges.

Is Teya better than SumUp or Square?

Teya is often more cost-effective for growing businesses due to lower transaction fees, while Square offers more POS features and SumUp is best for beginners.

Do I need a contract for a card machine?

No, many providers including Teya, SumUp, Square, and Zettle offer contract-free options with pay-as-you-go pricing.

Can I use a card machine without WiFi?

Yes, most modern card machines support 4G or mobile data, allowing you to accept payments anywhere in the UK.

Which card machine is best for small businesses?

Teya is best for reducing costs, SumUp is ideal for beginners, and Square is the best option for retail and POS features.

Get Free Quote

Best Card Machines by Use Case

Best for Startups

SumUp No monthly fees, simple setup, ideal for new businesses

Zettle Easy onboarding with strong mobile payment features

Recommended Teya Flexible contracts and great for UK startups scaling fast

Best for Retail Shops

Square Full POS system with inventory and reporting tools

Dojo Fast payments and powerful analytics

Worldpay Reliable and trusted for high street retail

Best for UK Businesses

Tyl by NatWest UK-focused service with strong support

Barclaycard Payments Backed by a major UK bank with tailored solutions

Top UK Pick Teya Excellent for SMEs wanting contract-free payments

Key Features to Look For

Transaction fees: Typically 1–2% per payment
Upfront cost: Device price vs contract
Portability: WiFi, 4G, or Bluetooth
Payout speed: Same-day or next-day
POS integration: Inventory and sales tracking

Card Machine Costs Explained

Device cost (£19–£300+)
Transaction fees
Monthly subscription (optional)

Many modern providers offer no contract, pay-as-you-go pricing, making them ideal for small businesses.

How to Choose the Right Card Machine

Do I need a portable or countertop device?
How many transactions do I process monthly?
Do I want a full POS system or just payments?

Avoid long-term contracts unless you have consistent high-volume sales.

Final Verdict

For most small businesses in the UK, SumUp and Square offer the best balance of affordability and simplicity.

However, if you need advanced features or faster payouts, providers like Dojo, Teya, or Stripe Terminal are strong alternatives.

FAQs About Card Machines UK

What is the cheapest card machine in the UK?

SumUp and Zettle are among the cheapest options, offering no monthly fees and low upfront costs.

Do I need a contract for a card machine?

No, many providers offer contract-free solutions with flexible pay-as-you-go pricing.

Which card machine is best for small businesses?

SumUp, Square, and Zettle are among the most popular and reliable options for small UK businesses.

Can I use a card machine without WiFi?

Yes, many modern card machines use 4G or mobile data, allowing you to take payments anywhere.

⭐ Recommended UK Provider

Get the Best Card Machine for Your Business

Compare top UK providers like Teya, SumUp, and Square. Get a personalised quote in minutes — no obligation.

Get a Quote Now