Setting up a shop in the UK is an exciting whirlwind. You’ve sorted the premises, curated your stock, and maybe even picked out the perfect paint colour for the storefront. But then comes the technical bit: choosing the best pos system to actually take payments and manage your business.
If you’re feeling a bit overwhelmed, don't worry: we’ve been there. The market is flooded with options, from massive global players to niche UK-specific providers. Whether you're looking for the cheapest pos system to get off the ground or a high-spec retail pos system that can track thousands of items across multiple locations, we’ve got you covered.
In this guide, we’re going to break down what you actually need to look for and compare the heavy hitters so you can make a decision that won't give you a headache six months down the line.
What Exactly Does a Modern EPOS System Do?
Gone are the days when a "till" was just a box for cash and a thermal printer. A modern epos system (Electronic Point of Sale) is the brain of your business. It handles your sales, of course, but it also tracks your inventory, manages staff hours, runs loyalty programmes, and provides data that tells you exactly what’s selling and what isn’t.
For UK retailers, it’s also about compliance. You need something that handles VAT correctly and integrates with UK banks and accounting software.
Key Factors When Choosing Your Retail POS
Before we dive into the specific brands, it’s worth thinking about your specific shop. Not every best pos system is the right fit for every business. Here’s what we suggest you prioritise:
1. Inventory Management
If you run a boutique with 50 items, basic stock tracking is fine. But if you’re a hardware store or a vape shop with thousands of SKUs (Stock Keeping Units), you need a system that can handle complex variants and bulk imports. Systems like Lightspeed or the Epos Now till system are fantastic for this.
2. Omnichannel Selling
Do you sell online as well? If you have a website on Shopify or WooCommerce, you’ll want a pos system that talks to your online store. There’s nothing worse than selling your last item online only for a customer to try and buy it in-store five minutes later.
3. Ease of Use
You don't want to spend three days training every new Saturday staff member. The interface should be intuitive: if it looks like a Windows 95 spreadsheet, steer clear.
4. Cost and Contracts
This is the big one. Some systems have a low monthly fee but high transaction rates. Others charge a lot upfront for hardware but give you better rates as you grow. If you're looking for the cheapest pos system, you might look at SumUp, but be wary of how those costs scale as your turnover increases.
The Top Contenders Compared
Let’s look at the brands actually making waves in the UK market right now.
Epos Now: The Best All-Rounder for UK Shops
We’re going to be honest: for most UK independent retailers, it’s hard to beat Epos Now. Because they are a UK-founded company, their hardware and software feel tailor-made for our high streets.
The epos now till system is incredibly versatile. It works for general retail but has specific modules for pharmacies, fashion boutiques, and even specialized sectors. We’ve done a deep dive into their features, and you can see why they’re a top choice in our full Epos Now review. They offer 24/7 support, which is a lifesaver when things go wrong on a busy Saturday afternoon.
Key Strength: Excellent UK-based support and massive integration library.
Shopify POS: For the E-commerce Pros
If your business started online, shopify pos is likely your first thought. It’s brilliant at unifying your stock. If you’re already paying for a Shopify website, adding the POS functionality is a breeze. However, the hardware can be a bit pricier, and the full "Pro" features come with an extra monthly cost. You can read more about how it stacks up in our Shopify POS review.
Key Strength: Best-in-class sync between online and physical stores.
SumUp POS: Great for Micro-Businesses
If you’re just starting out at a market stall or a tiny pop-up, you might not need a full-scale till system. Sumup pos is famous for its "pay-as-you-go" model. There’s no monthly contract for the basic tiers, which makes it the cheapest pos system for very low-volume sellers. Check out our SumUp POS system review for the full breakdown of their fees.
Key Strength: No monthly commitments and very portable hardware.
A Note on Pricing: The £25,000 Comparison
To give you a real-world idea of what these systems cost, let’s imagine your shop is doing £25,000 in card sales a month. It’s easy to get distracted by "Free" software, but the transaction fees are where they get you.
- Square: You’ll likely pay around £437.50 a month (mostly in transaction fees).
- Epos Now: Usually works out around £380–£390 a month including software fees and card processing.
- SumUp: Can often be higher for this volume due to their fixed percentage rates.
As you can see, once you start growing, the epos now till system often becomes more cost-effective than the "free" apps because they offer more competitive processing rates for established businesses.
Why We Recommend Epos Now for Retailers
When we look at the best pos system for a standard UK shop, Epos Now consistently ticks the most boxes.
First, the hardware is robust. You get a proper 15-inch water-resistant touch screen, a high-speed thermal printer, and a sturdy cash drawer. It looks professional on your counter. Secondly, the reporting is top-tier. You can see your "dead stock" (items that aren't selling) at the touch of a button, helping you free up cash flow.
If you’re thinking about upgrading, we highly recommend checking out the Epos Now review page to see the latest deals they have for new customers.
Industry-Specific Needs: Don't Get the Wrong Tool
While this guide focuses on retail, it's worth noting that if you have a cafe element in your shop, you might need a restaurant pos system. The requirements for hospitality: like table management and kitchen display systems: are very different from retail stock tracking.
For instance, if you're purely a food business, you might look at something like Toast POS, which is built specifically for that environment. However, for a standard gift shop, clothing store, or convenience shop, a dedicated retail pos system is what you need.
According to the British Retail Consortium, technology adoption is one of the biggest drivers of growth for small retailers today. Don't let your tech hold you back.
Common Mistakes to Avoid
We’ve talked to hundreds of shop owners, and these are the three most common mistakes we see:
- Buying "Cheap" Hardware Online: It’s tempting to buy a random tablet and a cheap Bluetooth printer from an auction site. Don't do it. If the connection drops during a queue of ten people, you’ll regret it. Stick to integrated hardware from providers like Epos Now.
- Ignoring the Support Hours: If your till stops working at 4 PM on a Sunday, does your provider have someone on the phone? Some US-based systems only offer support during US hours.
- Not Planning for Growth: You might only have one shop now, but what about next year? Choose a system that can easily add a second location.
Final Verdict: Which One Should You Choose?
So, after all that, what’s the answer?
- Choose Epos Now if: You are a UK-based retail shop looking for a professional, scalable, and well-supported system that handles inventory like a pro. It’s our top pick for a reason. Read the full Epos Now review here.
- Choose Shopify POS if: Your online store is your primary focus and you want your in-store sales to be an extension of that.
- Choose SumUp if: You’re a micro-business or hobbyist with very low monthly turnover.
Choosing an epos system is a big step, but it’s one that will ultimately save you hours of admin every week. If you're ready to take the plunge, we suggest starting with a demo. It’s the best way to see if the software feels "right" for you.
Ready to transform your shop?
Don't just take our word for it: head over to our comprehensive Epos Now review to see exactly how it can help your business grow, or compare it against other top brands on our EPOS till systems category page.