Every comparison table looks the same. Shopify has this many apps, WooCommerce has that many themes, BigCommerce lets you do X without a plugin. What those tables rarely tell you is what you'll actually be paying eighteen months in, once the add-ons, the transaction fees and the "we need a developer to fix this" moments have all added up. For a UK small business, that's the number that matters.
We build websites and online shops for trades, startups and service businesses across the UK, and the platform conversation always starts the same way: someone has read a list of the "best" platforms and wants to know which one to pick. The honest answer is that the best platform is the one that fits your total cost, your existing tools, and the level of support you'll need when something goes wrong. Here's how to think about each of those properly.
The sticker price is never the real price
Monthly subscription fees are the bit everyone compares, and the bit that matters least. What actually drains a small seller's margin is everything layered on top: card processing fees, transaction fees if you don't use the platform's own payment gateway, premium themes, and the apps you'll inevitably need for things like advanced shipping rules or abandoned cart emails.
Platforms aimed at small UK businesses vary a lot here. Some charge extra transaction fees on top of card processing unless you use their in-house payments system, which can quietly eat 1 to 2% of every sale. Others cap how many products you can list on entry-level plans, forcing an upgrade the moment your catalogue grows. If you're comparing options, it's worth looking at a proper cost breakdown rather than the headline monthly price, since providers differ significantly on card processing fees, product limits and UK payment gateway support.
- Ask what happens to fees once you pass your first year's discounted rate
- Check whether the platform charges its own transaction fee on top of your payment processor
- Factor in the cost of a decent theme and the two or three apps you'll almost certainly need
- Ask about storage, bandwidth and product limits on the plan you're actually going to use, not the cheapest one
Integration depth beats feature lists
A platform can have a hundred features and still be the wrong choice if it doesn't talk properly to the tools you already run your business on. For most small UK sellers, that means your accounting software, your courier or fulfilment setup, and if you have a physical shop, your till.
WooCommerce, because it sits inside WordPress, tends to offer the most flexibility here. It supports multi-currency extensions, global shipping plugins, SEO-friendly product pages, and tools that handle multiple languages and currencies if you're selling beyond the UK. Shopify's app store covers similar ground with less setup faff, but you're more dependent on third-party apps (and their monthly fees) to get the same depth.
The question to ask isn't "does it integrate with Xero?" Most do. The question is how deep that integration goes. Does stock sync in real time or does it need a manual push? Does a refund on your site automatically reconcile in your accounts, or does your bookkeeper end up doing it by hand every month? Those details decide how many hours a week you spend on admin rather than selling.

Support quality is the thing nobody checks until it's too late
Every platform promises support. What matters is what that support actually looks like at 11pm on a Sunday when your checkout stops working during a sale, or on Black Friday when traffic triples and something breaks under the load.
Some platforms offer 24/7 live chat as standard. Others route you through ticket systems with response times measured in days, which is fine until it isn't. If you're running the shop yourself with no in-house developer, the level of hand-holding you get when things go wrong should weigh as heavily in your decision as any feature on the spec sheet.
This is also where working with a local agency rather than going it alone pays off. When you have someone who built your site and understands how it's wired together, a broken payment gateway or a plugin conflict gets fixed by a phone call rather than an afternoon lost to forum threads and support tickets that bounce between three different companies, none of whom take responsibility for the whole picture.
Off-the-shelf, or something built around you
Most small sellers are well served by an established platform like Shopify or WooCommerce, and building your own from scratch is rarely the right call for a business just getting going. But it's worth understanding what happens at the other end of the growth curve, because it's a cautionary tale worth knowing.
Interflora, the UK flower delivery network, invested early in an in-house built platform. It worked well for years, but over time it became rigid and expensive to maintain, and the business ended up paying for costly year-round high-availability hosting just to cope with three predictable seasonal spikes: Valentine's Day, Mother's Day and Christmas. The lesson isn't that homegrown platforms are always wrong, it's that whatever you build or buy needs to flex with demand, not force you to pay for peak capacity every single day of the year.
For most small UK sellers, that means choosing a platform that scales pricing and resources with actual usage, rather than committing to fixed infrastructure that sits idle eleven months of the year.
A practical framework for choosing
Strip away the marketing and the decision comes down to a handful of honest questions. Sit down with these before you sign up for anything:
- What will this cost me in year two, once discounts end and I've added the apps I actually need?
- Does it integrate properly with my accounting software, courier, and till, not just technically but in a way that saves me admin time?
- What does support look like on a bad day, and is it available when my business is actually open?
- Can it grow with me without a full rebuild, or will I hit a wall at a certain order volume?
- If I need help, is there someone local I can actually speak to?
Where we fit in
We've been building websites for UK small businesses since 2006, and we don't push one platform over another because it suits us. We've built and supported shops on WooCommerce, worked with Shopify setups, and delivered fully bespoke builds where an off-the-shelf platform genuinely wasn't going to cut it. What we care about is whether the platform fits the business, not the other way round.
If you're weighing up your options and the comparison tables aren't helping, that's usually a sign it's time for a proper conversation rather than another spreadsheet. Get in touch and we'll talk through what your actual costs, integrations and support needs look like, in plain English, before you commit to anything.