How to Start an E-Commerce Business in the UK

Free comprehensive guide: How to Start an E-Commerce Business in the UK. Practical information for UK entrepreneurs and small business owners.

By The Business Checklist Editorial Team · Last updated 2026-06-01

# How to Start an E-Commerce Business in the UK

E-commerce is one of the most accessible ways to start a business in the UK. With relatively low startup costs and the ability to reach customers nationwide (and globally), selling online has never been more achievable. This guide covers everything you need to know to launch and grow a successful UK e-commerce business.

The UK E-Commerce Market

The UK has one of the most developed e-commerce markets in the world. Key statistics:

• UK e-commerce sales exceeded £130 billion in 2023

• Over 87% of UK adults shop online

• Mobile commerce accounts for over 60% of all online transactions

• The average UK online shopper spends approximately £1,600 per year online

Step 1: Choose Your Business Model

Before building your store, decide on your business model:

| Model | Description | Pros | Cons |

|---|---|---|---|

| Own inventory | Buy stock, store it, fulfil orders yourself | Higher margins, full control | Capital required, storage costs |

| Dropshipping | Supplier ships directly to customer | No stock, low startup cost | Lower margins, less control |

| Print-on-demand | Products printed when ordered | No stock, customisable | Lower margins, longer delivery |

| Digital products | Sell downloads, courses, software | No physical fulfilment, scalable | Competitive, piracy risk |

| Subscription | Recurring deliveries or access | Predictable revenue | Churn management |

| Marketplace selling | Sell on Amazon, eBay, Etsy | Existing traffic | Fees, competition, dependency |

Step 2: Choose Your Products

Product research checklist:

• Is there proven demand? (Use Google Trends, Amazon Best Sellers, keyword research)

• What is the competition like? (Search your target keywords on Google and Amazon)

• What are the margins? (Can you sell at a price customers will pay and still make a profit?)

• Are there any legal restrictions? (Some products require licences or have import restrictions)

• What are the logistics? (Size, weight, fragility, shelf life)

Profitable product characteristics:

• Lightweight and easy to ship

• Not easily available in local shops

• Solves a specific problem

• Repeat purchase potential

• Defensible niche (not dominated by Amazon or major retailers)

Step 3: Register Your Business

You must register your business before you start trading. Options:

| Structure | Best For | Key Requirement |

|---|---|---|

| Sole trader | Starting out, low risk | Register with HMRC for Self Assessment |

| Limited company | Growth plans, liability protection | Register with Companies House (£50) |

| Partnership | Two or more founders | Register with HMRC |

VAT registration: You must register for VAT when your turnover exceeds £90,000 in any 12-month period. You can register voluntarily before this threshold — useful if you sell to VAT-registered businesses.

Step 4: Choose Your Platform

| Platform | Best For | Monthly Cost |

|---|---|---|

| Shopify | Most e-commerce businesses | From £25/month |

| WooCommerce | WordPress users, flexibility | Free (hosting costs extra) |

| Wix eCommerce | Simple stores, beginners | From £17/month |

| Squarespace | Design-focused brands | From £23/month |

| BigCommerce | Larger catalogues | From £29/month |

| Etsy | Handmade, vintage, craft | Listing fees + 6.5% transaction fee |

| Amazon | High-volume, commodity products | £25–£30/month + fees |

Shopify is the most popular choice for UK e-commerce businesses due to its ease of use, extensive app ecosystem, and strong UK payment integrations.

Step 5: Set Up Payments

UK e-commerce payment options:

| Provider | Transaction Fee | Setup Fee | Notes |

|---|---|---|---|

| Stripe | 1.5% + 20p (UK cards) | None | Developer-friendly, widely used |

| PayPal | 1.9–3.4% + 30p | None | High consumer trust |

| Shopify Payments | 1.5–2% | None | Built into Shopify, no extra fees |

| Square | 1.75% | None | Good for omnichannel |

| Klarna / Clearpay | 2–5% | None | Buy now, pay later — increases conversion |

Key tip: Offering multiple payment methods (card, PayPal, Apple Pay, buy now pay later) can significantly increase conversion rates.

Step 6: Sort Your Fulfilment

Fulfilment options:

| Option | Best For | Cost |

|---|---|---|

| Self-fulfilment | Starting out, low volume | Your time + packaging |

| 3PL (Third-Party Logistics) | Growing businesses | Per unit + storage fees |

| Amazon FBA | Amazon sellers | Per unit + monthly storage |

| Dropshipping supplier | No-inventory model | Built into product cost |

UK courier comparison:

| Courier | Best For | Approx. Cost (1kg parcel) |

|---|---|---|

| Royal Mail | Small, light items | £3.35–£5.99 |

| Evri (Hermes) | Budget shipping | £2.49–£3.99 |

| DPD | Reliable, tracked | £4.99–£7.99 |

| DHL | International | £8.99+ |

| Parcelforce | Heavier items | £7.99+ |

Use a courier aggregator (Parcel2Go, Shippo, Sendcloud) to compare rates and print labels in bulk.

Step 7: Legal Requirements

Consumer Rights Act 2015

Online shoppers in the UK have the right to:

• A 14-day cooling-off period to return goods for any reason (distance selling regulations)

• Goods that are of satisfactory quality, fit for purpose, and as described

• A repair, replacement, or refund if goods are faulty

Required Website Pages

Your e-commerce website must include:

Privacy Policy (UK GDPR requirement)

Cookie Policy (PECR requirement)

Terms and Conditions

Returns and Refunds Policy

Delivery Policy

Contact details (including a physical address)

Product Regulations

Depending on what you sell, you may need to comply with:

CE / UKCA marking (for electrical, toy, and certain other products)

Trading Standards requirements

Food Standards Agency regulations (for food products)

MHRA regulations (for medical devices or cosmetics)

Step 8: Marketing Your Store

The core e-commerce marketing channels:

Search Engine Optimisation (SEO)

• Optimise product pages for keywords customers search for

• Write unique, detailed product descriptions (not copied from suppliers)

• Build backlinks from relevant websites and directories

• Use structured data markup (schema.org) for products

Google Shopping

• Set up a Google Merchant Centre account

• Upload your product feed

• Run Google Shopping campaigns (pay-per-click)

Social Media

• Instagram and TikTok are particularly effective for visual products

• Use organic content to build an audience

• Run paid ads targeting your ideal customer

Email Marketing

• Capture email addresses with a discount or lead magnet

• Send abandoned cart emails (typically 5–15% recovery rate)

• Run welcome sequences, promotional campaigns, and post-purchase follow-ups

• Tools: Klaviyo (e-commerce focused), Mailchimp, Omnisend

Influencer Marketing

• Micro-influencers (10,000–100,000 followers) often deliver better ROI than mega-influencers

• Send free products in exchange for honest reviews

• Use platforms like Tribe, Influencer.co, or approach directly

Step 9: Manage Your Finances

Key financial metrics to track:

| Metric | Formula | Target |

|---|---|---|

| Gross Margin | (Revenue - COGS) / Revenue | 40%+ for physical products |

| Customer Acquisition Cost (CAC) | Marketing spend / New customers | As low as possible |

| Average Order Value (AOV) | Revenue / Orders | Maximise with upsells/bundles |

| Customer Lifetime Value (CLV) | AOV × Purchase frequency × Customer lifespan | CLV > 3× CAC |

| Return Rate | Returns / Orders | Under 10% for most categories |

| Cart Abandonment Rate | Abandoned carts / Total carts | Industry average ~70% |

Accounting: Use accounting software (Xero, QuickBooks, or FreeAgent) from day one. Connect your e-commerce platform to your accounting software to automate bookkeeping.

Common E-Commerce Mistakes

| Mistake | Impact | Solution |

|---|---|---|

| Poor product photography | Low conversion rates | Invest in professional photos or a lightbox |

| No customer reviews | Reduced trust | Use a review platform (Trustpilot, Judge.me) |

| Slow website | High bounce rate | Use a CDN, optimise images, choose fast hosting |

| No email capture | Missing repeat sales | Offer a discount for email sign-up |

| Ignoring mobile | Lost sales (60%+ mobile) | Test your site on mobile before launch |

| No returns policy | Cart abandonment | Offer a clear, generous returns policy |

Frequently asked questions

Do I need to register a limited company to sell online in the UK?

No. You can start selling online as a sole trader, which is simpler and cheaper. You just need to register with HMRC for Self Assessment and keep records of your income and expenses. Many successful e-commerce businesses start as sole traders and incorporate later when the business grows. A limited company offers liability protection and can be more tax-efficient at higher profit levels.

When do I need to register for VAT?

You must register for VAT when your taxable turnover exceeds £90,000 in any rolling 12-month period. You can register voluntarily before this threshold — this can be beneficial if you sell to VAT-registered businesses (they can reclaim the VAT) or if you want to reclaim VAT on your own purchases. Once registered, you must charge VAT on your sales and submit quarterly VAT returns.

What is the best e-commerce platform for a UK startup?

Shopify is the most popular choice for UK e-commerce startups due to its ease of use, strong UK payment integrations (including Shopify Payments), and extensive app ecosystem. It starts from £25/month. WooCommerce (built on WordPress) is a good free alternative if you are comfortable with WordPress. For handmade or vintage goods, Etsy provides an existing marketplace with built-in traffic.

How long does a customer have to return goods bought online?

Under the Consumer Contracts Regulations 2013, customers have a minimum 14-day cooling-off period to return goods bought online for any reason (not just if they are faulty). The 14 days starts from the day the customer receives the goods. You must refund within 14 days of receiving the returned goods. You can charge the customer for return postage if you state this in your terms and conditions.

Do I need product liability insurance for my e-commerce business?

If you manufacture or import products, product liability insurance is strongly recommended — it covers you if a product you sell causes injury or damage. If you are dropshipping or reselling branded products, the manufacturer's liability insurance may cover you, but you should check. Public liability insurance is also advisable. Many business insurance policies combine both.

How do I handle VAT on sales to EU customers after Brexit?

Since Brexit, UK businesses selling goods to EU consumers must register for VAT in each EU country where their sales exceed that country's threshold, or use the EU's One Stop Shop (OSS) scheme. For digital services sold to EU consumers, you must charge VAT at the rate of the customer's country. This is a complex area — consult an accountant or VAT specialist if you sell significant volumes to EU customers.