Best Card Machine for Small Business UK: A 2026 Buyer's Guide

For most small UK businesses, taking card payments used to mean a bank merchant account, a long contract and a clunky terminal. Today you have real choice — and the right card machine depends on where and how you sell. This guide breaks down the options so you pick one that fits, without overpaying on fees. Last updated: June 2026. The three types of card machine Countertop — sits by the till, plugs into power and broadband or Wi-Fi. Best for a fixed shop counter with steady volume. Portable (Bluetooth) — roams within the premises and returns to a base; ideal for restaurants and table service. Mobile (4G/SIM or app-linked) — works anywhere with mobile signal. The choice for market traders, mobile services, pop-ups and deliveries. See our mobile POS terminals. Chip & PIN, contactless or phone-as-terminal? Every modern machine takes chip & PIN and contactless, including Apple Pay and Google Pay. Some card readers pair to a phone or tablet app; standalone chip & PIN terminals work on their own with no separate device. Pick app-linked if you already run a tablet POS; pick standalone if you want one device that just works. What actually drives the cost There are two numbers, not one: the hardware cost and the transaction fee. A cheaper machine on a higher per-transaction rate can cost more over a year than a dearer one on a lower rate — and the reverse is true at low volumes. Weigh pay-as-you-go against contract terms, and watch for monthly minimums and hidden add-ons. Match the machine to your trade A fixed retail counter wants a countertop unit; a restaurant wants portable terminals for table-side payment; a market trader or mobile service wants a fully mobile 4G machine that works without any fixed line. Buying the wrong form factor is the most common and most avoidable mistake. Questions before you buy Fixed counter, roaming on-site, or fully mobile? Standalone terminal, or linked to a tablet POS you already use? What is your transaction volume — does a lower fee justify dearer hardware? Connectivity at the point of sale — broadband, Wi-Fi or 4G? Getting it right Tell us how and where you take payments and we will match the right terminal or reader — with trade pricing and live UK stock. Browse card machines and readers, use the Solution Builder, or talk to our team.