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How to choose the best web design company in Barcelona (and all of Spain)

Not all web agencies are equal. We give you the exact questions to ask, the red flags to watch for, and the real criteria for choosing well — regardless of your budget.

8 min readSastre Web
How to choose the best web design company in Barcelona (and all of Spain)

The web design market in Spain: a minefield

Searching 'web design company Barcelona' or 'web agency Madrid' on Google returns thousands of results. Freelancers charging €200, agencies charging €20,000, and everything in between. The problem isn't the number of options — it's that they all promise the same thing: 'professional design, SEO optimized, fast delivery'. How do you tell a serious professional from someone who'll install a WordPress template and charge you as if it were custom design?

After years working in the web design industry in Spain, we've seen it all: clients who paid €3,000 for a site that doesn't appear on Google, businesses that received a €50 template sold as 'exclusive design', and companies waiting two years for their agency to finish 'the final tweaks'. This article gives you the tools to not be the next one.

5 questions you must ask before hiring

First: Can I see live websites you've built in production? Not Figma mockups, not screenshots — real websites I can visit and test. If they can't show real projects, that's a red flag. Second: What technology do you use and why? If the answer is 'WordPress because that's what we use for everything', ask if they've considered alternatives for your specific case. A good professional chooses technology based on the project, not the other way around.

Third: What exactly does the budget include? Hosting, domain, SSL, SEO, training, post-launch support — each of these can be an extra cost that doesn't appear in the initial quote. Fourth: Who owns the code and the domain? Some agencies retain source code or register domains in their name, trapping the client. Fifth: What happens if I don't like the result? Ask about the revision process and what guarantee they offer.

Red flags: when to run

Run if: they give you a price without asking anything about your business (they're selling a generic package, not a solution), they promise 'guaranteed first position on Google' (nobody can guarantee that — not even Google), the portfolio only shows sites from one industry or they all look suspiciously similar (disguised templates), they don't have their own website or it's slow and poorly designed (if they can't do it for themselves...), or they push to close quickly with limited-time discounts.

Also be wary if: communication is email-only and they never suggest a video call (a web project requires understanding your business, and that doesn't happen over email), they can't explain in plain language what technology they'll use and why, or the contract doesn't specify delivery timelines with concrete milestones. The best web designer in Barcelona or any city in Spain is the one who listens first, then proposes.

Freelancer, studio, or large agency: what suits you?

Freelancer (€500-€3,000): Good option for simple websites if you find someone with a solid portfolio. Risk: if they get sick, go on vacation, or abandon the project, you're left without support. Small studio of 2-5 people (€600-€8,000): The sweet spot for most SMEs. Direct contact with whoever does the work, competitive pricing, but with team stability. Large agency of 10+ people (€5,000-€50,000): Necessary for complex corporate projects, but 40-60% of what you pay goes to overhead (office, salespeople, project managers) rather than design or development.

At Sastre Web we're a studio of two founder-engineers who work directly on every project. No salespeople, no middlemen — you talk to whoever designs and codes your website. This allows us to offer agency quality at studio prices: the client pays for actual development, not overhead.

Final checklist before deciding

Before signing, verify: portfolio with real, visitable projects; itemized budget with no hidden costs; technology justified for your specific case; contract with timelines and code ownership clarified; defined revision process; post-launch support included; and references from previous clients you can contact. If all of this checks out, you've found a good professional.

If you're looking for a web design company in Barcelona, Madrid, or anywhere in Spain, we invite you to a free consultation where we show you our process, our real projects, and give you a transparent quote. No commitment, no pressure — just an honest conversation about creating the website your business needs.

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