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Understanding Merchant Account Fees: A Plain English Guide

Demystifying the jargon: transaction fees, monthly fees, PCI compliance charges, and hidden costs to watch out for.

Sarah Thompson|10 December 2025|7 min read

Understanding Merchant Account Fees: A Plain English Guide

Merchant account fees can be confusing, but understanding them is essential to managing your payment costs.

Transaction Fees

The percentage charged on each card payment. Typically 0.3% to 1.9% for UK consumer cards, higher for business or international cards.

Monthly Fees

A fixed charge for access to the payment service. Can range from zero to £30 or more depending on the provider and package.

PCI Compliance Fees

Charges for maintaining Payment Card Industry Data Security Standard compliance. Good providers include this in their standard offering with no extra charge.

Chargeback Fees

A fee charged when a customer disputes a transaction. Typically £15 to £25 per chargeback regardless of outcome.

Hidden Fees to Watch For

Minimum monthly service charges, statement fees, batch processing fees, and early termination fees are commonly overlooked when comparing providers.

How to Compare Fairly

Always ask for a full fee schedule and model your actual costs based on your real transaction volumes and card mix before making a decision.

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