Guide
What digital marketing actually costs a UK SME
Realistic monthly budgets for SEO, paid ads, content and automation.
Read guideEcommerce website development
Get in touch about ecommerce website development for platforms like Shopify, WooCommerce and bespoke builds — realistic pricing for stores of every size before you choose a platform.
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How ecommerce website development works
An ecommerce website needs to do more than list products. It has to handle secure payments, stock levels, shipping rules, tax calculations and customer accounts, all while staying fast enough that shoppers don't abandon their basket.
Platform choice drives most of the cost. Shopify and BigCommerce offer a fast route to market with monthly subscription fees and lower build costs, while WooCommerce on WordPress gives more flexibility for a similar price. Fully bespoke builds on platforms like Magento or a custom stack suit higher-volume retailers with specific operational needs.
Beyond the initial build, ongoing costs include transaction fees, app subscriptions, hosting and the marketing spend needed to actually drive traffic to a new store. Many UK retailers underestimate this second phase and end up with a well-built store that nobody visits.
What affects the cost of ecommerce website development
- Number of products, variants and whether stock needs syncing with existing systems
- Platform choice, such as Shopify, WooCommerce, BigCommerce or a custom build
- Payment and shipping complexity, including multi-currency or international delivery
- Custom design versus a theme, and how much bespoke functionality is needed
- Integrations with accounting, stock management or fulfilment software
Why compare ecommerce website development with us
Secure checkout
PCI-compliant payment processing is essential and is built into most major ecommerce platforms by default.
Stock sync
Real-time inventory syncing prevents overselling products that are actually out of stock.
Mobile checkout
The majority of UK online shopping now happens on mobile, so checkout flow needs testing on small screens.
Ecommerce platforms and typical build cost
One-off design and build costs for a UK online store, excluding ongoing platform fees.
| Platform type | Typical product count | Build cost range | Timescale |
|---|---|---|---|
| Shopify starter build | Up to 100 products | £1,500 - £5,000 | 2-4 weeks |
| Shopify custom theme | 100-1,000 products | £5,000 - £15,000 | 4-10 weeks |
| WooCommerce build | Up to 500 products | £2,500 - £10,000 | 4-8 weeks |
| BigCommerce custom build | 500+ products | £8,000 - £25,000 | 8-14 weeks |
| Bespoke or headless build | Any | £20,000 - £60,000+ | 12-24 weeks |
Ongoing platform and running costs
Excludes marketing spend, which is usually the largest ongoing cost for a new store.
| Cost type | Typical amount | Notes |
|---|---|---|
| Platform subscription | £25 - £300 per month | Shopify and BigCommerce tiers scale with sales volume |
| Payment processing | 1.5% - 2.9% per transaction | Varies by provider and card type |
| App subscriptions | £20 - £200 per month | Reviews, upsells, email marketing and shipping apps |
| Hosting (WooCommerce) | £15 - £60 per month | Not applicable to hosted platforms like Shopify |
| Maintenance and support | £150 - £600 per month | Security updates, bug fixes and small changes |
Expert advice
Our team reviews UK agencies, platforms and software pricing throughout the year.
“Retailers focus on the build cost and forget the running cost. Add up platform fees, apps and payment charges over a year before you compare quotes.”
ecommerce website development: pros and cons
Pros
- Opens a sales channel that runs around the clock without extra staffing
- Hosted platforms make launch faster and reduce technical risk
- Rich analytics show exactly which products and campaigns drive revenue
- Apps and plugins add functionality without a full custom build
Cons
- Transaction fees and app subscriptions add up faster than most retailers expect
- A store with no marketing budget behind it rarely gets meaningful traffic
- Migrating platforms later, once you have order history and reviews built up, is disruptive
How to choose a ecommerce websites partner
Marketing quotes vary wildly for the same scope. Check these points before you sign.
- 1
Match the platform to your catalogue size
A 20-product store rarely needs the same platform as one carrying thousands of SKUs.
- 2
Ask about transaction fees upfront
Some platforms charge extra unless you use their own payment gateway.
- 3
Check integration with your existing stock system
Manual stock updates across two systems lead to overselling and refunds.
- 4
Budget for marketing from day one
A realistic quote separates build cost from the ongoing spend needed to drive traffic.
Compare ecommerce website development
See what's available for your business today. It takes just minutes.
How to compare ecommerce website development
It takes a couple of minutes and there is no obligation to proceed.
1. Tell us about your business
Sector, size, current setup and what growth looks like for you.
2. See matched providers
We shortlist UK providers who work with businesses like yours.
3. Compare scope and price
Deliverables, contract length and reporting — not just the monthly fee.
4. Start when you're ready
Onboarding usually takes one to three weeks depending on scope.
Things to watch out for
Free theme templates can look identical to hundreds of other stores on the same platform
Some developers quote low on build cost but earn commission on ongoing app subscriptions
Bespoke builds without a clear maintenance plan become expensive to update after launch
Our ecommerce website development service
We compare ecommerce website development from vetted UK providers so you can see scope, pricing and contract terms side by side.
Comparing is free, and we will say plainly when your current setup is already competitive.
Getting started
1
Set one clear goal
More enquiries, more bookings or more online sales — pick the one that matters most.
2
Agree how success is measured
Fix the reporting metrics before work starts, not after month three.
3
Start small, then scale
A short initial term lets you prove results before committing long term.
Why choose Grow Your Business?
Wide choice of providers
We compare a broad range of UK providers so you can find the option that actually fits how your business operates.
Exclusive offers
We work hard to bring you exclusive deals, switching incentives and cashback where they're available.
Simple and fast
It takes just a few minutes to compare with us — and the deal you find could be well below what you pay today.
Types of ecommerce website development
The right approach depends on your market, budget and how quickly you need results.
Hosted platform (Shopify, BigCommerce)
A subscription-based platform handling hosting, security and updates, customised with themes and apps. Fastest route to launch.
Open-source platform (WooCommerce)
Built on WordPress with full control over design and no monthly platform fee, but you manage hosting and updates yourself.
Headless commerce
Separates the storefront from the backend commerce engine, giving faster performance for larger catalogues.
Fully custom build
A bespoke platform suited to complex product configurators, B2B pricing tiers or high transaction volumes.
Providers we compare
Logos are shown for identification only. We are not affiliated with every platform listed and do not compare the whole market.
Google
Meta
HubSpot
Shopify
WordPress
Salesforce
Semrush
Zapier
Mailchimp
Klaviyo
Ahrefs
MicrosoftComparing with us is a no-brainer
“Moving from a WooCommerce site to Shopify cut our admin time in half, but we wish we'd compared the true monthly cost before switching.”
Founder, homeware brand, Bristol
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Read guideecommerce website development FAQs
How much does an ecommerce website cost in the UK?
A simple Shopify or WooCommerce store typically costs £1,500 to £10,000 to build. Larger catalogues or bespoke functionality push costs to £15,000 or more.
Is Shopify or WooCommerce better for a small business?
Shopify suits businesses that want a fast, managed setup with predictable monthly costs. WooCommerce suits those who want more control and already run a WordPress site.
What ongoing costs should I expect?
Budget for platform subscription fees, payment processing charges of roughly 1.5% to 2.9% per transaction, app subscriptions, and maintenance or support costs.
Can I sell internationally from a UK-built store?
Yes, most major platforms support multi-currency pricing and international shipping, though tax and customs rules need setting up correctly at build stage.
Written by the Grow Your Business editorial team · Updated 26 July 2026