Best EPOS Systems for Retail Shops UK 2026

Choosing an EPOS system for a retail shop means prioritising features that general-purpose POS guides often gloss over: barcode scanning, stock management across multiple locations, purchase orders, and real-time cost-of-goods reporting. The wrong system leaves you manually counting stock; the right one automates it.

We’ve compared six EPOS systems specifically for UK retail businesses in 2026, focusing on inventory depth, hardware options, transaction fees, and total cost of ownership. Whether you’re running a single boutique or a multi-site chain, this guide covers the systems that actually serve retail needs.

Retail EPOS Comparison Table

Square Retail Plus at £49/month is the best overall EPOS system for UK retail shops in 2026, combining advanced inventory, barcode printing, and a reduced 1.6% card rate.

Pricing checked October 2026. All hardware prices exclude VAT unless stated. For a detailed cost breakdown, see our EPOS system costs guide.

The 6 Best EPOS Systems for Retail Shops

The six best retail EPOS systems in the UK are Square, Lightspeed, SumUp, Shopify POS, Epos Now, and Clover – each suited to different shop sizes and selling models.

Square’s Retail Plus plan at £49/month per location is purpose-built for shops that need more than a basic card reader. You get barcode label printing, cost-of-goods (COGS) reporting, advanced inventory with stock alerts, and a reduced transaction rate of 1.6% on in-person payments.

For shops just starting out, the free plan still works well. You get unlimited devices, unlimited locations, a full POS app with basic inventory, and an integrated online store – all at 0 monthly cost. The only expense is a 1.75% fee per in-person card payment and a £19 card reader.

What makes Square particularly strong for retail is its ecosystem flexibility. You can start with just a phone and a £19 Reader, then scale to a countertop Terminal (£149) or a full Register (£699) as the shop grows. Every plan includes unlimited devices, so adding a second till costs nothing extra in software fees (Retail Plus is billed per location).

Inventory management on Retail Plus handles product variants (size, colour, material), automatic stock counts, purchase orders, and vendor management. For multi-location retailers, stock transfers between sites are built in. The COGS reports show actual profit margins per product – not just revenue.

Lightspeed is designed for retailers who’ve outgrown basic POS systems. Starting at £75/month for the Basic Retail plan, it offers inventory management that handles thousands of SKUs with product matrices, serial number tracking, and automated reorder points.

The real strength is inventory depth. Lightspeed handles product variants across multiple dimensions (size, colour, material, finish), generates purchase orders when stock hits minimum thresholds, and tracks items across locations with real-time stock transfers. For shops with large catalogues, this level of automation cuts a lot of manual stock work.

Multi-location retailers benefit from the Core (£149/month) and Plus (£189/month) plans, which add centralised reporting across sites, API access for custom integrations, and advanced growth tools. All plans include built-in eCommerce, so you can sell online through the same inventory system – no separate platform needed.

The trade-off is cost. At £75/month minimum (before hardware), Lightspeed costs noticeably more than Square or SumUp. Transaction fees aren’t publicly listed for the UK – you’ll need to request a custom quote, which typically means interchange-plus pricing. For small shops doing under £10,000/month, the cost likely isn’t justified.

SumUp charges 1.69% per in-person payment on pay-as-you-go, with no monthly subscription required. For a small retail shop watching every penny, the total cost of entry is a Solo Lite card reader at £25 ex. VAT and nothing else.

The free POS app covers the basics a small retailer needs: a product catalogue, basic inventory tracking, sales reports, and next-day payouts to your bank. For shops that want a dedicated till, the POS Lite bundle at £290 includes a tablet stand, receipt printer, and Solo reader.

High-volume retailers can save further with the Payments Plus plan at £19/month, which drops the in-person rate to 0.99% on domestic consumer cards (international, corporate and premium cards stay at 1.69%). SumUp puts the break-even at about £3,300/month in card sales – above that, you’re saving money compared to the standard PAYG rate.

The limitation for retail is inventory depth. SumUp’s stock management handles basic product listings and simple variants, but it lacks purchase orders, barcode label printing, and multi-location stock transfers. For a single-site shop with under 200 products, that’s fine. For anything larger, you’ll hit the ceiling quickly.

Shopify POS is the strongest choice for retailers who already sell online through Shopify and want a unified system for their physical shop. Every Shopify plan (from £19/month) includes POS Lite, which syncs your online and in-store inventory, orders, and customer profiles automatically.

The unified inventory is Shopify’s key advantage for retail. When a customer buys a product online, your shop’s stock count updates immediately. Returns can be processed through either channel. Customer purchase history spans both online and in-person – useful for loyalty and targeted marketing.

For serious retail operations, the POS Pro add-on at £69/month per location unlocks unlimited staff accounts, demand forecasting, in-store analytics, and advanced inventory tools. Combined with a Grow plan (£49/month), you get a lower 1.6% in-person rate. Hardware is reasonably priced too: the WisePad 3 card reader costs £59, and Tap to Pay on iPhone or Android is free.

The catch is that Shopify POS only makes sense if you’re already using or willing to use Shopify for eCommerce. As a standalone in-store POS, it’s overpriced and feature-light compared to Square. You’re also paying for two subscriptions (Shopify plan + POS Pro) if you want the full retail feature set.

Epos Now is a UK-based provider that sells complete retail POS bundles, with the Countertop 2 bundle listed at £299.

Software pricing is quote-based and bundled with your package, and includes cloud-based reporting, staff management, and over 100 app integrations. Epos Now Payments advertises card rates from 0.8% with a rate match, and the rate you pay is set in your quote.

For retailers who want a physical till rather than a tablet-based setup, Epos Now sells dedicated till hardware bundles. The Countertop 2 bundle at £299 includes a till, printer, and Air card terminal, with a customer display available for £79 extra – a professional setup that suits busy shop counters.

The downside is the contract. Epos Now sets contract terms in your quote, and multiple review sites report difficulty cancelling, so get the length and exit terms in writing. The hardware is also proprietary, meaning you can’t switch processors without replacing the terminal. Combined with the software subscription, total costs can escalate beyond what Square or SumUp charge for equivalent functionality.

Clover targets established retail businesses that need feature-rich, professional-grade hardware. The system is sold through UK banking partners (AIB Merchant Services, Lloyds Cardnet), which means pricing is customised – you won’t find a price list on the website. Card rates are quoted individually, so get a written Clover quote and compare it with the other providers’ rates before you decide.

The hardware range is extensive. The current UK range is the Flex Pocket (a smaller portable device), the Flex (a handheld device with a built-in receipt printer), the Mini (a compact countertop terminal), and the Station Duo (a full POS with dual screens and a cash drawer). Clover Go is not listed on Clover’s UK site, and Clover rents its devices rather than selling them outright. All devices share the same software ecosystem and sync through the cloud.

Clover’s app marketplace (200+ integrations) is its standout feature for retail. You can add loyalty programmes, gift cards, advanced inventory, age verification, and accounting integrations without switching platforms. Multi-location inventory management, fingerprint staff login, and offline mode come built in.

The trade-offs are significant for smaller retailers. Contract terms depend on your reseller, pricing requires a conversation with a sales rep, and the hardware is proprietary – if you leave Clover, the terminals become paperweights. This is a system for businesses doing enough volume to justify the investment and negotiate good rates.

What to Look for in a Retail EPOS System

The most important features for retail EPOS are barcode scanning, real-time inventory tracking, product variant management, and integration with your accounting software.

Not every POS system is designed with retail in mind. When evaluating options for a shop, these are the features that separate retail-grade systems from basic payment terminals.

Inventory management depth

At minimum, your EPOS should track stock levels in real time and alert you when items run low. Better systems handle product variants (size, colour, material), generate purchase orders automatically, and manage stock across multiple locations. Square Retail Plus and Lightspeed are the strongest here; SumUp is the weakest of the six.

Barcode scanning and label printing

If you sell physical products, barcode scanning speeds up checkout and reduces errors. Most systems support external USB or Bluetooth scanners. Square Retail Plus and Lightspeed also print barcode labels directly – useful for shops that create their own product labels rather than relying on manufacturer barcodes.

Omnichannel selling

Shops that sell both online and in-store need unified inventory. Shopify POS and Square both sync stock between channels automatically. Lightspeed includes built-in eCommerce. SumUp and Epos Now require third-party integrations for online selling, which adds complexity and cost.

Hardware flexibility

Consider what your counter setup looks like. Mobile shops and market stalls need a pocket-sized reader (Square, SumUp). Traditional retail counters suit a full terminal with receipt printer and cash drawer (Epos Now, Clover). Growing chains need scalable hardware that works across multiple sites (Lightspeed, Square).

Contract terms

Square and SumUp both operate without contracts – you can cancel anytime. Shopify requires a monthly subscription but no long-term lock-in. Epos Now and Clover set contract terms in your quote, and review sites report multi-year commitments, which makes them riskier for new shops that haven’t yet proven their business model.

How Much Does a Retail EPOS System Cost?

A basic retail EPOS setup costs £19-£79 for hardware plus 1.69-1.75% per card payment, with no monthly fees on entry-level plans from Square and SumUp.

For a small independent shop processing £5,000/month in card payments, the annual cost difference between providers is significant. On SumUp PAYG (1.69%), you’d pay £1,014 in transaction fees alone. On Square Retail Plus (1.6% + £49/month), you’d pay £1,548 – but you’d get advanced inventory, COGS reports, and barcode printing included. Whether that £534 difference is worth it depends entirely on your stock management needs.

For a detailed breakdown of all EPOS costs including setup, training, and peripherals, see our complete EPOS system costs guide.

How We Chose These Retail EPOS Systems

We evaluated 12 UK EPOS providers against retail-specific criteria: inventory depth, barcode support, hardware options, transaction fees, contract terms, and Trustpilot scores.

We reviewed 12 EPOS systems available to UK retailers and selected six based on retail-specific functionality. Our evaluation weighted inventory management capabilities, barcode scanning support, and multi-channel selling highest – the features that matter most for shops rather than hospitality or service businesses.

Pricing data comes from each provider’s UK website or direct quote requests, checked in October 2026. Trustpilot scores are from UK-specific profiles where available. We excluded systems primarily designed for hospitality (TouchBistro, Zonal, Tissl) and those no longer actively marketed to UK retailers.

For our full review of all EPOS providers including hospitality-focused systems, see The 7 Best EPOS Systems in the UK. For comparisons by sector, see our guides to EPOS for hospitality, EPOS for pubs, and EPOS for cafés.

Emma Clarke

Technology & Payments Specialist

Emma covers the full range of business technology, including EPOS systems, merchant accounts, telecoms, and web tools. Her experience as a retail systems consultant helps businesses choose the right digital solutions to improve efficiency and sales.

Reviewed by

Sarah Mitchell

B2B Commerce & Finance Reviewer