How to start an online store: the complete guide to taking your business digital

Ecommerce in Spain has grown at an unprecedented pace in recent years. According to Spain's National Markets and Competition Commission (CNMC), ecommerce revenue in Spain has topped €12 billion per quarter, making it one of the sales channels with the most potential. For businesses that still sell only in physical stores, going digital is no longer optional. It's a strategic necessity.

In this complete guide, we cover every key aspect of starting an online store: from choosing the technology platform to digital marketing strategy, including logistics, payment methods, user experience and SEO. The goal is to give you a clear, practical roadmap you can apply from day one.

The state of ecommerce in Spain

Spain has become one of the most dynamic ecommerce markets in Europe. With internet penetration above 93% and more than 25 million online shoppers, the country offers a favorable ecosystem for businesses that want to sell online.

The leading online sales sectors in Spain are travel, fashion, electronics, food and digital services. Yet almost any sector can benefit from a well-planned ecommerce strategy, from industrial hardware suppliers to local crafts.

The Spanish online shopper is increasingly diverse: from young digital natives to people over 55 who have grown comfortable buying online. This matters because it shows the potential market is broad and not limited to a single demographic.

Ecommerce doesn't replace the physical store; it complements it. An omnichannel strategy that integrates both channels achieves the highest conversion and loyalty rates.

Choosing the right platform

Choosing the technology platform is probably the most important decision you'll make when taking your store online. There's no one-size-fits-all solution: the best platform depends on your budget, number of products, customization needs and growth plans.

WooCommerce

WooCommerce is an open-source WordPress plugin that turns any website into an online store. It's the most popular option worldwide, with more than 28% of the ecommerce market. Its main advantage is flexibility: because it's open source, you can customize it without limits. It also offers thousands of extensions and themes.

It's ideal for SMEs that already have a WordPress site, manage a catalog of up to several thousand products and want full control of their store. The upfront cost is low (the plugin is free), although you'll need to invest in hosting, a theme, extensions and probably a developer for advanced customizations.

PrestaShop

PrestaShop is an open-source platform built specifically for ecommerce. It's especially popular in Spain and France. Out of the box, it offers more advanced features than WooCommerce for managing complex catalogs, product attributes, combinations and pricing rules.

PrestaShop is a good choice for businesses with medium to large catalogs that need advanced ecommerce features without a SaaS solution. Like WooCommerce, it requires your own hosting and technical know-how to maintain.

Shopify

Shopify is a SaaS (Software as a Service) platform that gives you everything you need to set up an online store without worrying about hosting, server security or technical updates. It's the fastest way to start selling: you can have a working store within hours.

Its model is based on subscriptions and transaction fees, depending on the plan. It suits businesses that value speed to launch and ease of use over full customization.

Custom development

For businesses with very specific needs, custom development can be the best long-term investment. This means building the online store from scratch with frameworks such as Laravel, Django or Node.js, or creating a headless solution that separates the frontend from the backend.

Custom development gives you full control over every aspect of the store: performance, scalability, integrations with internal systems (ERP, CRM, warehouse) and a fully tailored user experience. It requires the highest upfront investment, but it can be the most profitable option in the medium and long term for businesses with high sales volumes or complex processes.

Online store design

Your online store's design has a direct impact on conversions. It's not just about looks: good ecommerce design makes navigation easier, reduces friction in the buying process and builds trust.

Ecommerce design principles

• Visual clarity: users should understand in under 3 seconds what you sell and how to buy it. Avoid cluttered layouts and prioritize visual hierarchy.
• Intuitive navigation: use a clear menu with well-defined categories. Include a visible, working search bar with autocomplete.
• Complete product pages: high-quality photos from multiple angles, detailed descriptions, technical specs, clear prices and real-time availability.
• Clear calls to action (CTAs): the "Add to cart" button must be visible and unmistakable. Use contrasting colors and an appropriate size.
• Responsive design: more than 60% of online purchases in Spain start on a mobile device. Your store must look and work perfectly on smartphones and tablets.
• Load speed: each extra second of load time cuts conversions by around 7%. Optimize images, minify code and use a CDN.

Trust signals

Trust is the most decisive factor in online buying decisions. Display these prominently: security seals (SSL, certifications), a clear returns policy, reviews and ratings from real customers, easy-to-find contact details (phone, email, physical address) and information about your company.

Logistics and shipping

Logistics is one of the most critical and often underestimated parts of ecommerce. A bad delivery experience can ruin the customer relationship, no matter how good the product is.

Logistics models

There are three main models:

1. In-house logistics: you store, pack and ship the products yourself. It gives you maximum control but requires infrastructure (warehouse, staff, packaging materials).
2. Outsourced fulfillment: you hand logistics over to a specialized provider (3PL) that stores your products and handles shipping. It's ideal for scaling without investing in your own infrastructure.
3. Dropshipping: you don't hold stock; when you receive an order, you pass it to the supplier, who ships directly to the customer. It lowers the upfront investment but limits your control over the delivery experience.

Key logistics factors

• Delivery times: the standard in Spain is 24–48 hours for domestic shipping. Customers increasingly value same-day or next-day delivery.
• Shipping costs: free shipping is a powerful buying incentive. If you can't always offer it, consider a minimum order threshold for free shipping.
• Order tracking: provide a tracking number and automatic email or SMS updates on the shipment status.
• Returns policy: a clear, flexible returns policy builds trust and, paradoxically, lowers the return rate.

Payment methods

Offering the right payment methods is essential to avoid losing sales at the last step of the funnel. In Spain, the most widely used methods are:

• Credit/debit card: still the most popular method. Integrate a secure payment gateway (Redsys, the Spanish card payment gateway, Stripe, Adyen) with 3D Secure support.
• PayPal: builds shopper confidence because it offers buyer protection. It's a must-have option.
• Bizum: Spain's mobile payment system is increasingly popular for quick payments from a phone. Its use in ecommerce is growing fast.
• Bank transfer: less common for small purchases, but relevant in B2B and for high-value orders.
• Cash on delivery: builds trust with hesitant buyers, although it adds cost and a risk of returns.
• Financing and buy now, pay later: for mid- to high-priced products, offering financing can significantly increase conversions.

The general recommendation is to offer at least three different payment methods. The more options you offer, the lower your checkout abandonment rate.

Digital marketing for ecommerce

Setting up an online store is only the first step. Without a solid digital marketing strategy, your store will be invisible in an increasingly competitive market.

SEO for ecommerce

Organic search is the most profitable long-term traffic source. The keys to ecommerce SEO are:

• Keyword research: identify the terms your potential customers use to search for your products. Use tools like Google Keyword Planner, Ahrefs or SEMrush.
• Product page optimization: descriptive titles with the main keyword, unique descriptions (never copy the manufacturer's), friendly URLs and optimized metadata.
• Category architecture: organize your catalog in a logical hierarchy that makes crawling easier for search engines and browsing easier for users.
• Valuable content: a blog with buying guides, comparisons and tutorials attracts qualified organic traffic and positions your store as a go-to reference in your sector.
• Structured data: implement schema.org markup for products (price, availability, ratings) so Google shows rich snippets in search results.
• Speed and Core Web Vitals: Google rewards fast websites. Optimize your store's technical performance.

Online advertising (SEM)

Google Ads and Google Shopping are essential for generating short-term sales. Google Shopping in particular shows your products with image, price and store name right in the search results, which drives a much higher CTR than text ads.

Add social media campaigns (Facebook Ads, Instagram Ads) targeting audiences segmented by interests, buying behavior and demographics. Remarketing campaigns are especially effective for recovering abandoned carts.

Email marketing

Email marketing remains one of the highest-ROI channels in ecommerce. Automate sequences for welcoming new subscribers, recovering abandoned carts, post-purchase follow-up and product recommendations based on purchase history.

User experience (UX) in ecommerce

User experience decides whether a visitor becomes a buyer or leaves your store for an alternative. Every point of friction in the buying process is a lost opportunity.

The checkout process

Checkout is the most critical moment. A complicated buying process is the main cause of cart abandonment (which in ecommerce is around 70%). To optimize it:

• Cut the number of steps to the bare minimum. A one-page checkout usually works better than a multi-step one.
• Allow guest checkout, without forcing users to register.
• Show the order summary, shipping costs and taxes clearly before asking for payment.
• Save cart contents so users can pick up where they left off if they're interrupted.
• Show progress indicators if checkout has several steps.

Personalization

Personalizing the shopping experience increases conversions and average order value. Add related product recommendations ("Customers who bought this also bought..."), personalized offers based on browsing history and dynamic content based on the user's location.

Key metrics for your online store

What isn't measured can't be improved. These are the metrics you should track continuously:

• Conversion rate: the percentage of visitors who complete a purchase. The average in Spanish ecommerce is between 1% and 3%.
• Average order value (AOV): the average amount per transaction. You can raise it with cross-selling and upselling.
• Cart abandonment rate: the percentage of users who add products to the cart but don't complete the purchase. Find the drop-off points and optimize them.
• Customer acquisition cost (CAC): how much you spend on marketing to win each new customer.
• Customer lifetime value (LTV): the total revenue a customer generates over their entire relationship with your store.
• Return rate: the percentage of orders returned. A high rate can point to problems with product descriptions or quality.
• NPS (Net Promoter Score): measures customer satisfaction and how likely customers are to recommend you.

Use tools like Google Analytics (with enhanced ecommerce tracking) to track these metrics and make decisions based on real data.

Legal requirements for ecommerce in Spain

An online store in Spain must comply with several regulations:

• LSSI-CE: the Spanish Information Society Services Act. It requires you to identify the website owner and inform users about cookies.
• GDPR and LOPDGDD: the GDPR and the Spanish Data Protection Act govern the processing of personal data. You'll need a privacy policy, a cookie notice and explicit consent for marketing communications.
• Spanish Consumer Protection Act: sets the right of withdrawal (14 days), the obligation to show the total price (including taxes and shipping costs) and consumer rights in the case of defective products.
• Spanish Retail Trade Act (Ley de Ordenación del Comercio Minorista): regulates sales, clearance sales and promotions.

Your online store must include the mandatory legal pages (legal notice, privacy policy, terms of sale and cookie policy), and they must be accessible from every page of the site.

Conclusion

Taking your store online is a project that requires planning, investment and a long-term view. It's not just about uploading products to a website; it's about creating a complete shopping experience, from product discovery to after-sales service.

The key to success is choosing the right platform for your business, designing a flawless user experience, setting up efficient logistics, offering a range of payment methods, implementing a solid digital marketing strategy and continuously measuring results to optimize.

Ecommerce isn't a sprint; it's a marathon. The most successful online stores are the ones that keep iterating, listen to their customers and adapt to market trends. If you haven't taken the step yet, the best time to start is now.