Cheapest Merchant Account Providers in the UK (2026 Comparison)
Quick answer
The cheapest merchant account providers in the UK in 2026 include:
Square – £0 monthly fee, 1.75% transaction fee
Tyl by NatWest – from £19 per month, 0.35%-1.5% transaction fee
Elavon – from £15 per month, 0.35%-1.6% transaction fee
For small businesses or mobile traders, flat-rate providers like Square can easily be the cheapest, and for larger businesses processing higher volumes, traditional merchant accounts often offer lower transaction rates.
If you’d like to learn more about merchant accounts, you can do so here .
Contents
Cheapest Merchant Account Providers (UK 2026)
Flat-Rate vs Traditional Merchant Accounts
Real Merchant Account Costs for UK Businesses
Additional Merchant Account Costs
Which Merchant Account Is Cheapest for Small Businesses?
How Businesses Reduce Merchant Account Fees
How do we work?
Transparent, impartial, and data‑driven reviews made by a team of expert humans, never AI generated – here’s exactly how Compare Your Business Costs helps you find the best deals from trusted UK providers: click here
Authored by: Ally Cox (Business Technology & B2B Services Specialist 10+ Years’ Experience)
Reviewed by: James Ward (Telecoms Specialist, 12+ Years Experience)
Last Updated: March 2026
Key Takeaways
💳 The cheapest merchant accounts start from £0 monthly fees
📊 Transaction fees typically range from 0.3% to 1.75%
🧾 Traditional merchant accounts often include monthly service fees
📉 Businesses processing higher volumes can negotiate lower rates
📦 Flat-rate providers offer simpler pricing with fewer contracts
⚖️ The cheapest provider depends on transaction volume and card mix
Cheapest Merchant Account Providers (UK 2026)
Below is a comparison of some of the most affordable merchant service providers used by UK businesses.
Provider
Setup Fee
Monthly Fee
Transaction Fee
Square
£0
£0
1.75%
Tyl by NatWest
£0
£19
0.35%-1.5%
Elavon
£0
£15
0.35%-1.6%
Worldpay
£0–£49
£19
0.3%-1.4%
SumUp
£0
£0
1.69%
Each provider uses a slightly different pricing model, which affects the overall cost of accepting card payments.
Flat-Rate vs Traditional Merchant Accounts
Merchant service providers typically use one of two pricing structures.
Flat-rate pricin g – example providers:
Typical pricing:
1.69% – 1.75% per transaction
no monthly fees
simple pricing model
Best for:
Interchange-plus pricing -e xample providers:
Typical pricing:
0.3% – 0.6% debit card fees
1.3% – 1.6% credit card fees
monthly merchant account fee
Best for:
established businesses
retailers processing higher volumes
hospitality businesses
Real Merchant Account Costs for UK Businesses
Here is a realistic example of what a UK business might pay when processing £20,000 per month in card
Provider
Fee Structure
Monthly Cost
Square
1.75% flat rate
£350
Tyl
blended rate
~£210
Elavon
blended rate
~£220
This example shows how flat-rate pricing may be more expensive for higher volumes, even though it appears cheaper initially.
Additional Merchant Account Costs
Businesses should also consider other potential payment processing costs.
Cost Type
Typical Price
Card machine rental
£15-£35 per month
Payment gateway
£10-£25 per month
PCI compliance fees
£2-£5 per month
Setup fees
£0-£150
These costs can affect the total cost of accepting card payments.
Which Merchant Account Is Cheapest for Small Businesses?
For businesses processing under £5,000 per month, flat-rate providers are usually the cheapest, and some typical examples include:
However, we do think that businesses processing £10,000-£20,000 per month or more often save money with traditional merchant accounts.
How Businesses Reduce Merchant Account Fees
You can reduce payment costs by:
comparing merchant account providers
negotiating transaction rates
choosing the correct pricing model
avoiding long contracts with high exit fees
analysing their card mix (credit vs debit)
Comparing providers using our handy tool can significantly reduce payment processing costs.
FAQs: Cheapest Merchant Accounts UK
What is the cheapest merchant account in the UK?
Flat-rate providers like Square often appear cheapest because they have no monthly fees, but businesses with higher volumes may benefit from traditional merchant accounts.
How much do merchant accounts cost?
Most UK businesses pay 0.3%-0.6% for debit cards and 1.4%-1.9% for credit cards, plus monthly fees of £0–£25.
Are there merchant accounts with no monthly fee?
Yes. Providers like Square and SumUp offer merchant services with no monthly subscription costs.
Can businesses negotiate merchant account fees?
Yes. Businesses processing £10,000+ per month can often negotiate lower transaction fees.
Do merchant accounts require contracts?
Some providers require contracts ranging from 12 to 36 months, while others offer flexible monthly agreements.
Are merchant account fees tax deductible?
Yes. Merchant service fees are usually treated as allowable business expenses in the UK.
Our Final Thoughts
The cheapest merchant account provider depends on your business size, transaction volume and pricing model and in 2026:
Flat-rate providers offer simple pricing with no monthly fees
Traditional merchant accounts often provide lower transaction rates for higher volumes
So, comparing merchant account providers using our handy tool can save you thousands of pounds each year in payment processing fees.
Related Merchant Account Guides
If you’re researching merchant accounts and card payment processing, the guides below explore specific providers, use cases, costs and common questions in more detail.
Merchant Account Basics & FAQs
Understand how merchant accounts work and what to expect before signing up:
Major UK Merchant Account Providers
Detailed reviews of leading UK merchant account providers and acquirers:
Payment Providers & Alternatives
Explore pay-as-you-go and hybrid payment providers often compared with merchant accounts:
Card Payments, EPOS & POS Context
Learn how merchant accounts fit into wider payment and EPOS setups:
Next Step: Compare Merchant Accounts
If you want tailored pricing based on your turnover, industry and risk profile, use our comparison tool to review UK merchant account providers side by side.
👉 Compare merchant accounts →
Hi, I’m Ally Cox , a senior copywriter and blogger at CompareYourBusinessCosts.co.uk, the UK’s trusted platform for comparing business services.
With over a decade of experience in the B2B sector, I specialise in simplifying complex topics like leased lines, VoIP, business energy, HR and payroll solutions, accounting software, and EPOS systems .
Before joining CompareYourBusinessCosts, I worked across various industries, gaining hands-on experience in HR, copywriting, and business operations- from clocking-in systems to card machines and office technology .
My goal is simple: to help UK businesses make informed, confident decisions when choosing products and services that improve efficiency and save money.