Choosing the right EPOS system can feel like a bit of a minefield, can’t it? One minute you’re just trying to find a way to take a contactless payment, and the next you’re drowning in talk of API integrations, cloud-based reporting, and tiered transaction fees.
We’ve seen it all here at What EPOS. From tiny coffee stalls in London to sprawling retail shops in Manchester, the struggle is the same: you need something that works, doesn’t cost the earth, and actually makes your life easier. Whether you’re looking for the best POS system to launch your first venture or you’re ready to upgrade an old, clunky till, we’ve got your back.
In this guide, we’re going to break down the top 5 systems currently dominating the UK market. We’ll look at the pros, the cons, and: most importantly: the costs.
Why Your POS System Choice Matters More Than Ever
In 2026, a POS (Point of Sale) system is no longer just a fancy cash register. It’s the brain of your business. With the UK’s shift towards a nearly cashless society: and the Retail Gazette reporting a steady rise in omnichannel shopping: having a system that syncs your in-store sales with your online presence is essential.
If you pick the wrong one, you’re stuck with slow checkout lines, inventory nightmares, and data that doesn’t make sense. But pick the right one? You’ll save hours on admin every week. We’re big fans of systems that take the weight off your shoulders, which is why we often point people toward our Epos Now review page to see how a truly comprehensive system looks.
What Should You Look for in a UK POS System?
Before we jump into the names, let's talk about the "must-haves." We think every UK small business should prioritise these four things:
- Ease of Use: If your staff can’t learn it in ten minutes, it’s too complicated. With the current labour market, you need a system that’s "plug and play."
- Affordability: You’ve got to watch the pennies. Look for a low entry price but keep a very close eye on those transaction fees. They can sneak up on you!
- Local Support: There is nothing worse than having a till crash at 2:00 PM on a Saturday and finding out tech support is in a time zone eight hours behind you. UK-based support is a massive win.
- Inventory Management: Whether you’re selling pints or puffer jackets, knowing exactly what you have in stock at any given second is a game-changer.
The Top 5 POS Systems for UK Small Businesses Compared
We’ve whittled it down to the big hitters. Here is how they stack up against each other.
| POS System | Best For | Hardware Cost | Transaction Fee | Key Strength |
|---|---|---|---|---|
| Epos Now | All-rounders & Inventory | From £25/mo | Competitive (1.3%) | Brilliant UK support & stock control |
| Square | Micro-businesses | Free software | 1.75% | No monthly fees for basic use |
| Shopify POS | E-commerce brands | From £25/mo | Variable | Best-in-class online syncing |
| SumUp | Portability | Low-cost readers | 1.69% | Simple, sleek, and very mobile |
| Toast | Restaurants | Varies | Industry standard | Specialist hospitality features |
1. Epos Now – Our Top Choice for UK Versatility
If you want a system that was built with the UK market in mind, Epos Now is hard to beat. We’ve spent a lot of time testing their hardware, and it’s robust enough to handle a busy Friday night rush.
What we love most about the epos now till system is the inventory management. It’s incredibly detailed. If you’re a retail shop, it tracks every SKU perfectly. If you’re a pub, it can track your stock down to the last drop of gin. It also offers a very handy offline mode, so if your shop’s Wi-Fi decides to take a nap, you can keep taking payments.
It’s definitely worth checking out our full Epos Now till system review to see the latest pricing deals. They often have some great bundles for new businesses.
2. Square – The King of the Side Hustle
Square is probably the most famous pos system on the list, and for good reason. It’s incredibly easy to get started. You can literally download the app, buy a tiny card reader for a few quid, and start selling.
The big draw here is the "no monthly fee" model. You only pay when you make a sale. However, a word of caution: that 1.75% transaction fee is higher than what you might get with a dedicated contract from someone like Epos Now. It’s a great cheapest pos system to start with, but as you grow, those fees might start to sting.
3. Shopify POS – For the Online Sellers
If your business started on the web and you’re now opening a physical pop-up or shop, Shopify is a natural fit. We’ve written a detailed Shopify POS review that goes into the nitty-gritty, but the "too-long-didn't-read" version is this: it keeps your online and offline worlds perfectly in sync.
When someone buys a shirt in your shop, your website stock updates instantly. It’s seamless. But keep in mind, it’s quite focused on retail. If you’re running a café, you might find it a bit lacking in "table management" features.
4. SumUp – The Minimalist Choice
SumUp is perfect for businesses that are always on the move. We’re talking market stalls, mobile hairdressers, and pop-up coffee vans. The hardware is beautiful: minimalist white readers that look great on a counter.
In our SumUp POS system review, we highlight how simple the interface is. There’s almost no learning curve. It’s not as powerful as Epos Now when it comes to deep data reporting, but for many small businesses, simplicity is more important than spreadsheets.
5. Toast – The Hospitality Expert
Toast has recently made big waves in the UK. If you are looking for a restaurant pos system, this is a heavy hitter. It handles everything from "kitchen display systems" (no more paper tickets!) to table ordering and tipping.
It’s a bit more of a "pro" setup, which means the costs can be higher and the setup more involved. If you’re just a small shop selling cards and candles, Toast is overkill. But for a bustling bistro? It’s fantastic. You can see more about their hospitality focus in our Toast EPOS for restaurants guide.
Deep Dive: Why Epos Now Often Wins for UK Business Owners
While all the systems above are great, we keep coming back to Epos Now as the "Goldilocks" solution: it’s just right for most.
One of the biggest hurdles for UK businesses is the sheer variety of what we do. You might be a "record store that also serves coffee" or a "hair salon that sells boutique products." Epos Now is flexible enough to handle both retail and hospitality features in one system.
On top of this, their reporting is top-tier. You can log in from your phone while you’re at home and see exactly how much you’ve made that day, which items are flying off the shelves, and who your best staff members are. It’s that kind of insight that helps a "small" business become a "medium" business.
If you’re serious about scaling, we’d suggest you read our Epos Now review here and perhaps even book a demo with them. It’s the best way to see if the interface clicks with you.
How to Make Your Final Decision
Still stuck? Don't worry, it's a big decision. We recommend taking these three steps before you tap in your card details for a new system:
- Count Your Monthly Sales: If you're doing low volume (under £2,000 a month), a "no-monthly-fee" system like Square is great. If you're doing more than that, a system with a monthly fee but lower transaction rates (like Epos Now) will actually save you money in the long run.
- Check the "App Store": Most modern EPOS systems have an app marketplace. Do you use Xero for accounting? Make sure your POS can talk to it!
- Think About Your Future: Don't just buy for the business you have today; buy for the business you want next year. If you plan on opening a second location, make sure your system can handle multi-site management.
The Verdict
There’s no such thing as a "perfect" system for everyone, but there is a perfect system for you.
- For the best all-around UK support and inventory: Epos Now.
- For the quickest, free-to-start setup: Square.
- For the omnichannel retail giants: Shopify.
- For the mobile micro-business: SumUp.
Whatever you choose, make sure it’s a system that lets you spend less time looking at a screen and more time looking at your customers. After all, that’s why you started your business in the first place, isn’t it?
Ready to see why we rate Epos Now so highly?
Check out our comprehensive Epos Now Till System Review for an in-depth look at their features, latest UK pricing, and how they can help you grow your business today. It’s definitely worth a look before you make your final choice!